Merge branch 'master' into LinkageOptimizations

build.gradle

@@ -81,6 +81,8 @@ dependencies {
 
     testImplementation 'junit:junit:4.13.2'
     testImplementation 'org.hamcrest:hamcrest:2.2'
+
+    compileOnly 'org.xerial:sqlite-jdbc:3.36.0'
 }
 
 task buildResources {

src/de/steamwar/ImplementationProvider.java

@@ -0,0 +1,34 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar;
+
+import java.lang.reflect.InvocationTargetException;
+
+public class ImplementationProvider {
+    private ImplementationProvider() {}
+
+    public static <T> T getImpl(String className) {
+        try {
+            return (T) Class.forName(className).getDeclaredConstructor().newInstance();
+        } catch (InstantiationException | IllegalAccessException | InvocationTargetException | NoSuchMethodException | ClassNotFoundException e) {
+            throw new SecurityException("Could not load implementation", e);
+        }
+    }
+}

src/de/steamwar/command/AbstractSWCommand.java

@@ -20,22 +20,26 @@
 package de.steamwar.command;
 
 import java.lang.annotation.*;
+import java.lang.reflect.Array;
+import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.lang.reflect.Parameter;
 import java.util.*;
 import java.util.concurrent.TimeUnit;
 import java.util.function.BiConsumer;
-import java.util.function.IntPredicate;
+import java.util.function.BiPredicate;
+import java.util.function.Function;
 import java.util.function.Supplier;
 import java.util.stream.Collectors;
 
 public abstract class AbstractSWCommand<T> {
 
+    private static final Map<Class<AbstractSWCommand<?>>, List<AbstractSWCommand<?>>> dependencyMap = new HashMap<>();
+
     private Class<?> clazz; // This is used in createMappings()
 
     private boolean initialized = false;
     protected final List<SubCommand<T>> commandList = new ArrayList<>();
-    protected final List<SubCommand<T>> commandHelpList = new ArrayList<>();
 
     private final Map<String, AbstractTypeMapper<T, ?>> localTypeMapper = new HashMap<>();
     private final Map<String, AbstractValidator<T, ?>> localValidators = new HashMap<>();
@@ -46,6 +50,13 @@ public abstract class AbstractSWCommand<T> {
 
     protected AbstractSWCommand(Class<T> clazz, String command, String... aliases) {
         this.clazz = clazz;
+
+        PartOf partOf = this.getClass().getAnnotation(PartOf.class);
+        if (partOf != null) {
+            dependencyMap.computeIfAbsent((Class<AbstractSWCommand<?>>) partOf.value(), k -> new ArrayList<>()).add(this);
+            return;
+        }
+
         createAndSafeCommand(command, aliases);
         unregister();
         register();
@@ -65,22 +76,16 @@ public abstract class AbstractSWCommand<T> {
         System.out.println(message.get());
     }
 
-    protected void sendMessage(T sender, String message, Object[] args) {}
+    protected void sendMessage(T sender, String message, Object[] args) {
+    }
 
     protected final void execute(T sender, String alias, String[] args) {
         initialize();
         List<Runnable> errors = new ArrayList<>();
         try {
             if (!commandList.stream().anyMatch(s -> s.invoke(errors::add, sender, alias, args))) {
-                if (!errors.isEmpty()) {
-                    errors.forEach(Runnable::run);
-                    return;
-                }
-                commandHelpList.stream().anyMatch(s -> s.invoke((ignore) -> {
-                }, sender, alias, args));
+                errors.forEach(Runnable::run);
             }
-        } catch (CommandNoHelpException e) {
-            // Ignored
         } catch (CommandFrameworkException e) {
             commandSystemError(sender, e);
             throw e;
@@ -96,79 +101,39 @@ public abstract class AbstractSWCommand<T> {
                 .filter(Objects::nonNull)
                 .flatMap(Collection::stream)
                 .filter(s -> !s.isEmpty())
-                .filter(s -> s.toLowerCase().startsWith(string))
+                .filter(s -> s.toLowerCase().startsWith(string) || string.startsWith(s.toLowerCase()))
                 .distinct()
                 .collect(Collectors.toList());
     }
 
-    private void initialize() {
+    private synchronized void initialize() {
         if (initialized) return;
-        createMapping();
-    }
-
-    private synchronized void createMapping() {
-        List<Method> methods = methods();
+        List<Method> methods = methods().stream()
+                .filter(this::validateMethod)
+                .collect(Collectors.toList());
         for (Method method : methods) {
             Cached cached = method.getAnnotation(Cached.class);
-            addMapper(Mapper.class, method, i -> i == 0, false, AbstractTypeMapper.class, (anno, typeMapper) -> {
+            this.<Mapper, AbstractTypeMapper<?, ?>>add(Mapper.class, method, (anno, typeMapper) -> {
                 TabCompletionCache.add(typeMapper, cached);
-                if (anno.local()) {
-                    localTypeMapper.putIfAbsent(anno.value(), (AbstractTypeMapper<T, ?>) typeMapper);
-                } else {
-                    SWCommandUtils.getMAPPER_FUNCTIONS().putIfAbsent(anno.value(), typeMapper);
-                }
+                (anno.local() ? ((Map) localTypeMapper) : SWCommandUtils.getMAPPER_FUNCTIONS()).put(anno.value(), typeMapper);
             });
-            addMapper(ClassMapper.class, method, i -> i == 0, false, AbstractTypeMapper.class, (anno, typeMapper) -> {
+            this.<ClassMapper, AbstractTypeMapper<?, ?>>add(ClassMapper.class, method, (anno, typeMapper) -> {
                 TabCompletionCache.add(typeMapper, cached);
-                if (anno.local()) {
-                    localTypeMapper.putIfAbsent(anno.value().getTypeName(), (AbstractTypeMapper<T, ?>) typeMapper);
-                } else {
-                    SWCommandUtils.getMAPPER_FUNCTIONS().putIfAbsent(anno.value().getTypeName(), typeMapper);
-                }
+                (anno.local() ? ((Map) localTypeMapper) : SWCommandUtils.getMAPPER_FUNCTIONS()).put(anno.value().getName(), typeMapper);
             });
-            addValidator(Validator.class, method, i -> i == 0, false, AbstractValidator.class, (anno, validator) -> {
-                if (anno.local()) {
-                    localValidators.putIfAbsent(anno.value(), (AbstractValidator<T, ?>) validator);
-                } else {
-                    SWCommandUtils.getVALIDATOR_FUNCTIONS().putIfAbsent(anno.value(), validator);
-                }
+            this.<Validator, AbstractValidator<?, ?>>add(Validator.class, method, (anno, validator) -> {
+                (anno.local() ? ((Map) localValidators) : SWCommandUtils.getVALIDATOR_FUNCTIONS()).put(anno.value(), validator);
             });
-            addValidator(ClassValidator.class, method, i -> i == 0, false, AbstractValidator.class, (anno, validator) -> {
-                if (anno.local()) {
-                    localValidators.putIfAbsent(anno.value().getTypeName(), (AbstractValidator<T, ?>) validator);
-                } else {
-                    SWCommandUtils.getVALIDATOR_FUNCTIONS().putIfAbsent(anno.value().getTypeName(), validator);
-                }
+            this.<ClassValidator, AbstractValidator<?, ?>>add(ClassValidator.class, method, (anno, validator) -> {
+                (anno.local() ? ((Map) localValidators) : SWCommandUtils.getVALIDATOR_FUNCTIONS()).put(anno.value().getName(), validator);
             });
         }
         for (Method method : methods) {
-            add(Register.class, method, i -> i > 0, true, null, (anno, parameters) -> {
-                if (!anno.help()) return;
-                boolean error = false;
-                if (parameters.length != 2) {
-                    commandSystemWarning(() -> "The method '" + method.toString() + "' is lacking parameters or has too many");
-                    error = true;
-                }
-                if (!parameters[parameters.length - 1].isVarArgs()) {
-                    commandSystemWarning(() -> "The method '" + method.toString() + "' is lacking the varArgs parameters as last Argument");
-                    error = true;
-                }
-                if (parameters[parameters.length - 1].getType().getComponentType() != String.class) {
-                    commandSystemWarning(() -> "The method '" + method.toString() + "' is lacking the varArgs parameters of type '" + String.class.getTypeName() + "' as last Argument");
-                    error = true;
-                }
-                if (error) return;
-                commandHelpList.add(new SubCommand<>(this, method, anno.value(), new HashMap<>(), new HashMap<>(), true, null, anno.noTabComplete()));
-            });
-
-            add(Register.class, method, i -> i > 0, true, null, (anno, parameters) -> {
-                if (anno.help()) return;
+            add(Register.class, method, true, (anno, parameters) -> {
                 for (int i = 1; i < parameters.length; i++) {
                     Parameter parameter = parameters[i];
                     Class<?> clazz = parameter.getType();
-                    if (parameter.isVarArgs() && i == parameters.length - 1) {
-                        clazz = parameter.getType().getComponentType();
-                    }
+                    if (parameter.isVarArgs()) clazz = clazz.getComponentType();
                     Mapper mapper = parameter.getAnnotation(Mapper.class);
                     if (clazz.isEnum() && mapper == null && !SWCommandUtils.getMAPPER_FUNCTIONS().containsKey(clazz.getTypeName())) {
                         continue;
@@ -179,66 +144,94 @@ public abstract class AbstractSWCommand<T> {
                         return;
                     }
                 }
-                commandList.add(new SubCommand<>(this, method, anno.value(), localTypeMapper, localValidators, false, anno.description(), anno.noTabComplete()));
+                commandList.add(new SubCommand<>(this, method, anno.value(), localTypeMapper, localValidators, anno.description(), anno.noTabComplete()));
             });
         }
 
-        this.commandList.sort((o1, o2) -> {
-            int compare = Integer.compare(-o1.subCommand.length, -o2.subCommand.length);
-            if (compare != 0) {
-                return compare;
-            } else {
-                return Integer.compare(o1.comparableValue, o2.comparableValue);
-            }
-        });
-        commandHelpList.sort((o1, o2) -> {
-            int compare = Integer.compare(-o1.subCommand.length, -o2.subCommand.length);
-            if (compare != 0) {
-                return compare;
-            } else {
-                return Integer.compare(o1.method.getDeclaringClass() == AbstractSWCommand.class ? 1 : 0,
-                        o2.method.getDeclaringClass() == AbstractSWCommand.class ? 1 : 0);
-            }
-        });
+        if (dependencyMap.containsKey(this.getClass())) {
+            dependencyMap.get(this.getClass()).forEach(abstractSWCommand -> {
+                abstractSWCommand.localTypeMapper.putAll((Map) localTypeMapper);
+                abstractSWCommand.localValidators.putAll((Map) localValidators);
+                abstractSWCommand.initialize();
+                commandList.addAll((Collection) abstractSWCommand.commandList);
+            });
+        }
+
+        Collections.sort(commandList);
         initialized = true;
     }
 
-    private <T extends Annotation> void add(Class<T> annotation, Method method, IntPredicate parameterTester, boolean firstParameter, Class<?> returnType, BiConsumer<T, Parameter[]> consumer) {
+    private boolean validateMethod(Method method) {
+        if (!checkType(method.getAnnotations(), method.getReturnType(), false, annotation -> {
+            CommandMetaData.Method methodMetaData = annotation.annotationType().getAnnotation(CommandMetaData.Method.class);
+            if (methodMetaData == null) return (aClass, varArg) -> true;
+            if (method.getParameterCount() > methodMetaData.maxParameterCount() || method.getParameterCount() < methodMetaData.minParameterCount())
+                return (aClass, varArg) -> false;
+            return (aClass, varArg) -> {
+                Class<?>[] types = methodMetaData.value();
+                if (types == null) return true;
+                for (Class<?> type : types) {
+                    if (type.isAssignableFrom(aClass)) return true;
+                }
+                return false;
+            };
+        }, "The method '" + method + "'")) return false;
+        boolean valid = true;
+        for (Parameter parameter : method.getParameters()) {
+            if (!checkType(parameter.getAnnotations(), parameter.getType(), parameter.isVarArgs(), annotation -> {
+                CommandMetaData.Parameter parameterMetaData = annotation.annotationType().getAnnotation(CommandMetaData.Parameter.class);
+                if (parameterMetaData == null) return (aClass, varArg) -> true;
+                Class<?> handler = parameterMetaData.handler();
+                if (BiPredicate.class.isAssignableFrom(handler)) {
+                    try {
+                        return (BiPredicate<Class<?>, Boolean>) handler.getConstructor().newInstance();
+                    } catch (InstantiationException | IllegalAccessException | InvocationTargetException |
+                             NoSuchMethodException e) {
+                    }
+                }
+                return (aClass, varArg) -> {
+                    if (varArg) aClass = aClass.getComponentType();
+                    Class<?>[] types = parameterMetaData.value();
+                    if (types == null) return true;
+                    for (Class<?> current : types) {
+                        if (current.isAssignableFrom(aClass)) return true;
+                    }
+                    return false;
+                };
+            }, "The parameter '" + parameter + "'")) valid = false;
+        }
+        return valid;
+    }
+
+    private boolean checkType(Annotation[] annotations, Class<?> clazz, boolean varArg, Function<Annotation, BiPredicate<Class<?>, Boolean>> toApplicableTypes, String warning) {
+        boolean valid = true;
+        for (Annotation annotation : annotations) {
+            BiPredicate<Class<?>, Boolean> predicate = toApplicableTypes.apply(annotation);
+            if (!predicate.test(clazz, varArg)) {
+                commandSystemWarning(() -> warning + " is using an unsupported annotation of type '" + annotation.annotationType().getName() + "'");
+                valid = false;
+            }
+        }
+        return valid;
+    }
+
+    private <T extends Annotation> void add(Class<T> annotation, Method method, boolean firstParameter, BiConsumer<T, Parameter[]> consumer) {
         T[] anno = SWCommandUtils.getAnnotation(method, annotation);
         if (anno == null || anno.length == 0) return;
 
         Parameter[] parameters = method.getParameters();
-        if (!parameterTester.test(parameters.length)) {
-            commandSystemWarning(() -> "The method '" + method.toString() + "' is lacking parameters or has too many");
-            return;
-        }
         if (firstParameter && !clazz.isAssignableFrom(parameters[0].getType())) {
             commandSystemWarning(() -> "The method '" + method.toString() + "' is lacking the first parameter of type '" + clazz.getTypeName() + "'");
             return;
         }
-        if (returnType != null && !returnType.isAssignableFrom(method.getReturnType())) {
-            commandSystemWarning(() -> "The method '" + method.toString() + "' is lacking the desired return type '" + returnType.getTypeName() + "'");
-            return;
-        }
         Arrays.stream(anno).forEach(t -> consumer.accept(t, parameters));
     }
 
-    private <T extends Annotation> void addMapper(Class<T> annotation, Method method, IntPredicate parameterTester, boolean firstParameter, Class<?> returnType, BiConsumer<T, AbstractTypeMapper<?, ?>> consumer) {
-        add(annotation, method, parameterTester, firstParameter, returnType, (anno, parameters) -> {
+    private <T extends Annotation, K> void add(Class<T> annotation, Method method, BiConsumer<T, K> consumer) {
+        add(annotation, method, false, (anno, parameters) -> {
             try {
                 method.setAccessible(true);
-                consumer.accept(anno, (AbstractTypeMapper<T, ?>) method.invoke(this));
-            } catch (Exception e) {
-                throw new SecurityException(e.getMessage(), e);
-            }
-        });
-    }
-
-    private <T extends Annotation> void addValidator(Class<T> annotation, Method method, IntPredicate parameterTester, boolean firstParameter, Class<?> returnType, BiConsumer<T, AbstractValidator<T, ?>> consumer) {
-        add(annotation, method, parameterTester, firstParameter, returnType, (anno, parameters) -> {
-            try {
-                method.setAccessible(true);
-                consumer.accept(anno, (AbstractValidator<T, ?>) method.invoke(this));
+                consumer.accept(anno, (K) method.invoke(this));
             } catch (Exception e) {
                 throw new SecurityException(e.getMessage(), e);
             }
@@ -262,12 +255,29 @@ public abstract class AbstractSWCommand<T> {
         return methods;
     }
 
+    @Retention(RetentionPolicy.RUNTIME)
+    @Target({ElementType.TYPE})
+    public @interface PartOf {
+        Class<?> value();
+    }
+
+    // --- Annotation for the command ---
+
+    /**
+     * Annotation for registering a method as a command
+     */
     @Retention(RetentionPolicy.RUNTIME)
     @Target({ElementType.METHOD})
     @Repeatable(Register.Registeres.class)
+    @CommandMetaData.Method(value = void.class, minParameterCount = 1)
     protected @interface Register {
+
+        /**
+         * Identifier of subcommand
+         */
         String[] value() default {};
 
+        @Deprecated
         boolean help() default false;
 
         String[] description() default {};
@@ -276,6 +286,7 @@ public abstract class AbstractSWCommand<T> {
 
         @Retention(RetentionPolicy.RUNTIME)
         @Target({ElementType.METHOD})
+        @CommandMetaData.Method(value = void.class, minParameterCount = 1)
         @interface Registeres {
             Register[] value();
         }
@@ -283,14 +294,41 @@ public abstract class AbstractSWCommand<T> {
 
     @Retention(RetentionPolicy.RUNTIME)
     @Target({ElementType.PARAMETER, ElementType.METHOD})
+    @CommandMetaData.Method(value = AbstractTypeMapper.class, maxParameterCount = 0)
+    @CommandMetaData.ImplicitTypeMapper(handler = Mapper.Handler.class)
     protected @interface Mapper {
         String value();
 
         boolean local() default false;
+
+        class Handler<T> implements AbstractTypeMapper<T, Object> {
+
+            private AbstractTypeMapper<T, Object> inner;
+
+            public Handler(AbstractSWCommand.Mapper mapper, Map<String, AbstractTypeMapper<T, ?>> localTypeMapper) {
+                inner = (AbstractTypeMapper<T, Object>) SWCommandUtils.getTypeMapper(mapper.value(), localTypeMapper);
+            }
+
+            @Override
+            public Object map(T sender, PreviousArguments previousArguments, String s) {
+                return inner.map(sender, previousArguments, s);
+            }
+
+            @Override
+            public boolean validate(T sender, Object value, MessageSender messageSender) {
+                return inner.validate(sender, value, messageSender);
+            }
+
+            @Override
+            public Collection<String> tabCompletes(T sender, PreviousArguments previousArguments, String s) {
+                return inner.tabCompletes(sender, previousArguments, s);
+            }
+        }
     }
 
     @Retention(RetentionPolicy.RUNTIME)
     @Target({ElementType.METHOD})
+    @CommandMetaData.Method(value = AbstractTypeMapper.class, maxParameterCount = 0)
     protected @interface ClassMapper {
         Class<?> value();
 
@@ -299,30 +337,58 @@ public abstract class AbstractSWCommand<T> {
 
     @Retention(RetentionPolicy.RUNTIME)
     @Target({ElementType.METHOD})
+    @CommandMetaData.Method(value = AbstractTypeMapper.class, maxParameterCount = 0)
     protected @interface Cached {
         long cacheDuration() default 5;
+
         TimeUnit timeUnit() default TimeUnit.SECONDS;
+
         boolean global() default false;
     }
 
     @Retention(RetentionPolicy.RUNTIME)
     @Target({ElementType.PARAMETER, ElementType.METHOD})
+    @CommandMetaData.Method(value = AbstractValidator.class, maxParameterCount = 0)
+    @CommandMetaData.ImplicitValidator(handler = Validator.Handler.class, order = 0)
     protected @interface Validator {
         String value() default "";
 
         boolean local() default false;
+
+        boolean invert() default false;
+
+        class Handler<T> implements AbstractValidator<T, Object> {
+
+            private AbstractValidator<T, Object> inner;
+            private boolean invert;
+
+            public Handler(AbstractSWCommand.Validator validator, Class<?> clazz, Map<String, AbstractValidator<T, ?>> localValidator) {
+                inner = (AbstractValidator<T, Object>) SWCommandUtils.getValidator(validator, clazz, localValidator);
+                invert = validator.invert();
+            }
+
+            @Override
+            public boolean validate(T sender, Object value, MessageSender messageSender) {
+                return inner.validate(sender, value, messageSender) ^ invert;
+            }
+        }
     }
 
     @Retention(RetentionPolicy.RUNTIME)
     @Target({ElementType.METHOD})
+    @CommandMetaData.Method(value = AbstractValidator.class, maxParameterCount = 0)
     protected @interface ClassValidator {
         Class<?> value();
 
         boolean local() default false;
     }
 
+    // --- Implicit TypeMapper ---
+
     @Retention(RetentionPolicy.RUNTIME)
     @Target({ElementType.PARAMETER})
+    @CommandMetaData.Parameter({String.class, int.class, Integer.class, long.class, Long.class, boolean.class, Boolean.class})
+    @CommandMetaData.ImplicitTypeMapper(handler = StaticValue.Handler.class)
     protected @interface StaticValue {
         String[] value();
 
@@ -336,7 +402,49 @@ public abstract class AbstractSWCommand<T> {
          */
         boolean allowISE() default false;
 
-        int[] falseValues() default { 0 };
+        int[] falseValues() default {0};
+
+        class Handler<T> implements AbstractTypeMapper<T, Object> {
+
+            private AbstractTypeMapper inner;
+
+            public Handler(StaticValue staticValue, Class<?> clazz) {
+                if (clazz == String.class) {
+                    inner = SWCommandUtils.createMapper(staticValue.value());
+                    return;
+                }
+                if (!staticValue.allowISE()) {
+                    throw new IllegalArgumentException("The parameter type '" + clazz.getTypeName() + "' is not supported by the StaticValue annotation");
+                }
+                if (clazz == boolean.class || clazz == Boolean.class) {
+                    List<String> tabCompletes = new ArrayList<>(Arrays.asList(staticValue.value()));
+                    Set<Integer> falseValues = new HashSet<>();
+                    for (int i : staticValue.falseValues()) falseValues.add(i);
+                    inner = SWCommandUtils.createMapper(s -> {
+                        int index = tabCompletes.indexOf(s);
+                        return index == -1 ? null : !falseValues.contains(index);
+                    }, (commandSender, s) -> tabCompletes);
+                } else if (clazz == int.class || clazz == Integer.class || clazz == long.class || clazz == Long.class) {
+                    List<String> tabCompletes = new ArrayList<>(Arrays.asList(staticValue.value()));
+                    inner = SWCommandUtils.createMapper(s -> {
+                        Number index = tabCompletes.indexOf(s);
+                        return index.longValue() == -1 ? null : index;
+                    }, (commandSender, s) -> tabCompletes);
+                } else {
+                    throw new IllegalArgumentException("The parameter type '" + clazz.getTypeName() + "' is not supported by the StaticValue annotation");
+                }
+            }
+
+            @Override
+            public Object map(T sender, PreviousArguments previousArguments, String s) {
+                return inner.map(sender, previousArguments, s);
+            }
+
+            @Override
+            public Collection<String> tabCompletes(T sender, PreviousArguments previousArguments, String s) {
+                return inner.tabCompletes(sender, previousArguments, s);
+            }
+        }
     }
 
     @Retention(RetentionPolicy.RUNTIME)
@@ -353,8 +461,11 @@ public abstract class AbstractSWCommand<T> {
         boolean onlyUINIG() default false;
     }
 
+    // --- Implicit Validator ---
+
     @Retention(RetentionPolicy.RUNTIME)
     @Target({ElementType.PARAMETER})
+    @CommandMetaData.ImplicitValidator(handler = ErrorMessage.Handler.class, order = Integer.MAX_VALUE)
     protected @interface ErrorMessage {
         /**
          * Error message to be displayed when the parameter is invalid.
@@ -365,10 +476,219 @@ public abstract class AbstractSWCommand<T> {
          * This is the short form for 'allowEmptyArrays'.
          */
         boolean allowEAs() default true;
+
+        class Handler<T> implements AbstractValidator<T, Object> {
+
+            private AbstractSWCommand.ErrorMessage errorMessage;
+
+            public Handler(AbstractSWCommand.ErrorMessage errorMessage) {
+                this.errorMessage = errorMessage;
+            }
+
+            @Override
+            public boolean validate(T sender, Object value, MessageSender messageSender) {
+                if (value == null) messageSender.send(errorMessage.value());
+                if (!errorMessage.allowEAs() && value != null && value.getClass().isArray() && Array.getLength(value) == 0) {
+                    messageSender.send(errorMessage.value());
+                    return false;
+                }
+                return value != null;
+            }
+        }
     }
 
     @Retention(RetentionPolicy.RUNTIME)
     @Target({ElementType.PARAMETER})
     protected @interface AllowNull {
     }
+
+    @Retention(RetentionPolicy.RUNTIME)
+    @Target({ElementType.PARAMETER})
+    @CommandMetaData.Parameter({int.class, Integer.class, long.class, Long.class, float.class, Float.class, double.class, Double.class})
+    @CommandMetaData.ImplicitValidator(handler = Min.Handler.class, order = 2)
+    protected @interface Min {
+        int intValue() default Integer.MIN_VALUE;
+
+        long longValue() default Long.MIN_VALUE;
+
+        float floatValue() default Float.MIN_VALUE;
+
+        double doubleValue() default Double.MIN_VALUE;
+
+        boolean inclusive() default true;
+
+        class Handler<T> implements AbstractValidator<T, Number> {
+
+            private int value;
+            private Function<Number, Number> comparator;
+
+            public Handler(AbstractSWCommand.Min min, Class<?> clazz) {
+                this.value = min.inclusive() ? 0 : 1;
+                this.comparator = createComparator("Min", clazz, min.intValue(), min.longValue(), min.floatValue(), min.doubleValue());
+            }
+
+            @Override
+            public boolean validate(T sender, Number value, MessageSender messageSender) {
+                if (value == null) return true;
+                return (comparator.apply(value).intValue()) >= this.value;
+            }
+        }
+    }
+
+    @Retention(RetentionPolicy.RUNTIME)
+    @Target({ElementType.PARAMETER})
+    @CommandMetaData.Parameter({int.class, Integer.class, long.class, Long.class, float.class, Float.class, double.class, Double.class})
+    @CommandMetaData.ImplicitValidator(handler = Max.Handler.class, order = 2)
+    protected @interface Max {
+        int intValue() default Integer.MAX_VALUE;
+
+        long longValue() default Long.MAX_VALUE;
+
+        float floatValue() default Float.MAX_VALUE;
+
+        double doubleValue() default Double.MAX_VALUE;
+
+        boolean inclusive() default true;
+
+        class Handler<T> implements AbstractValidator<T, Number> {
+
+            private int value;
+            private Function<Number, Number> comparator;
+
+            public Handler(AbstractSWCommand.Max max, Class<?> clazz) {
+                this.value = max.inclusive() ? 0 : -1;
+                this.comparator = createComparator("Max", clazz, max.intValue(), max.longValue(), max.floatValue(), max.doubleValue());
+            }
+
+            @Override
+            public boolean validate(T sender, Number value, MessageSender messageSender) {
+                if (value == null) return true;
+                return (comparator.apply(value).intValue()) <= this.value;
+            }
+        }
+    }
+
+    private static Function<Number, Number> createComparator(String type, Class<?> clazz, int iValue, long lValue, float fValue, double dValue) {
+        if (clazz == int.class || clazz == Integer.class) {
+            return number -> Integer.compare(number.intValue(), iValue);
+        } else if (clazz == long.class || clazz == Long.class) {
+            return number -> Long.compare(number.longValue(), lValue);
+        } else if (clazz == float.class || clazz == Float.class) {
+            return number -> Float.compare(number.floatValue(), fValue);
+        } else if (clazz == double.class || clazz == Double.class) {
+            return number -> Double.compare(number.doubleValue(), dValue);
+        } else {
+            throw new IllegalArgumentException(type + " annotation is not supported for " + clazz);
+        }
+    }
+
+    @Retention(RetentionPolicy.RUNTIME)
+    @Target({ElementType.PARAMETER})
+    @CommandMetaData.ImplicitTypeMapper(handler = Length.Handler.class)
+    protected @interface Length {
+        int min() default 0;
+
+        int max() default Integer.MAX_VALUE;
+
+        class Handler<T> implements AbstractTypeMapper<T, Object> {
+
+            private int min;
+            private int max;
+            private AbstractTypeMapper<T, Object> inner;
+
+            public Handler(Length length, AbstractTypeMapper<T, Object> inner) {
+                this.min = length.min();
+                this.max = length.max();
+                this.inner = inner;
+            }
+
+            @Override
+            public Object map(T sender, PreviousArguments previousArguments, String s) {
+                if (s.length() < min || s.length() > max) return null;
+                return inner.map(sender, previousArguments, s);
+            }
+
+            @Override
+            public Collection<String> tabCompletes(T sender, PreviousArguments previousArguments, String s) {
+                List<String> tabCompletes = inner.tabCompletes(sender, previousArguments, s)
+                        .stream()
+                        .filter(str -> str.length() >= min)
+                        .map(str -> str.substring(0, Math.min(str.length(), max)))
+                        .collect(Collectors.toList());
+                if (s.length() < min) {
+                    tabCompletes.add(0, s);
+                }
+                return tabCompletes;
+            }
+
+            @Override
+            public String normalize(T sender, String s) {
+                return inner.normalize(sender, s);
+            }
+        }
+    }
+
+    @Retention(RetentionPolicy.RUNTIME)
+    @Target({ElementType.PARAMETER})
+    @CommandMetaData.Parameter(handler = ArrayLength.Type.class)
+    @CommandMetaData.ImplicitTypeMapper(handler = ArrayLength.HandlerTypeMapper.class)
+    @CommandMetaData.ImplicitValidator(handler = ArrayLength.HandlerValidator.class, order = 1)
+    protected @interface ArrayLength {
+        int min() default 0;
+
+        int max() default Integer.MAX_VALUE;
+
+        class Type implements BiPredicate<Class<?>, Boolean> {
+            @Override
+            public boolean test(Class<?> clazz, Boolean isVarArgs) {
+                return clazz.isArray();
+            }
+        }
+
+        class HandlerTypeMapper<T> implements AbstractTypeMapper<T, Object> {
+
+            private int max;
+            private AbstractTypeMapper<T, Object> inner;
+
+            public HandlerTypeMapper(ArrayLength arrayLength, AbstractTypeMapper<T, Object> inner) {
+                this.max = arrayLength.max();
+                this.inner = inner;
+            }
+
+            @Override
+            public Object map(T sender, PreviousArguments previousArguments, String s) {
+                return inner.map(sender, previousArguments, s);
+            }
+
+            @Override
+            public Collection<String> tabCompletes(T sender, PreviousArguments previousArguments, String s) {
+                Object[] mapped = previousArguments.getMappedArg(0);
+                if (mapped.length >= max) return Collections.emptyList();
+                return inner.tabCompletes(sender, previousArguments, s);
+            }
+
+            @Override
+            public String normalize(T sender, String s) {
+                return inner.normalize(sender, s);
+            }
+        }
+
+        class HandlerValidator<T> implements AbstractValidator<T, Object> {
+
+            private int min;
+            private int max;
+
+            public HandlerValidator(ArrayLength arrayLength) {
+                this.min = arrayLength.min();
+                this.max = arrayLength.max();
+            }
+
+            @Override
+            public boolean validate(T sender, Object value, MessageSender messageSender) {
+                if (value == null) return true;
+                int length = Array.getLength(value);
+                return length >= min && length <= max;
+            }
+        }
+    }
 }

src/de/steamwar/command/AbstractTypeMapper.java

@@ -25,12 +25,38 @@ public interface AbstractTypeMapper<K, T> extends AbstractValidator<K, T> {
     /**
      * The CommandSender can be null!
      */
-    T map(K sender, String[] previousArguments, String s);
+    @Deprecated
+    default T map(K sender, String[] previousArguments, String s) {
+        throw new IllegalArgumentException("This method is deprecated and should not be used anymore!");
+    }
+
+    /**
+     * The CommandSender can be null!
+     */
+    default T map(K sender, PreviousArguments previousArguments, String s) {
+        return map(sender, previousArguments.userArgs, s);
+    }
 
     @Override
     default boolean validate(K sender, T value, MessageSender messageSender) {
         return true;
     }
 
-    Collection<String> tabCompletes(K sender, String[] previousArguments, String s);
+    @Deprecated
+    default Collection<String> tabCompletes(K sender, String[] previousArguments, String s) {
+        throw new IllegalArgumentException("This method is deprecated and should not be used anymore!");
+    }
+
+    default Collection<String> tabCompletes(K sender, PreviousArguments previousArguments, String s) {
+        return tabCompletes(sender, previousArguments.userArgs, s);
+    }
+
+    /**
+     * Normalize the cache key by sender and user provided argument. <br>
+     * Note: The CommandSender can be null! <br>
+     * Returning null and the empty string are equivalent.
+     */
+    default String normalize(K sender, String s) {
+        return null;
+    }
 }

src/de/steamwar/command/AbstractValidator.java

@@ -38,10 +38,12 @@ public interface AbstractValidator<K, T> {
      */
     boolean validate(K sender, T value, MessageSender messageSender);
 
+    @Deprecated
     default <C> Validator<C> validate(C value, MessageSender messageSender) {
         return new Validator<>(value, messageSender);
     }
 
+    @Deprecated
     @RequiredArgsConstructor
     class Validator<C> {
         private final C value;

src/de/steamwar/command/CommandFrameworkException.java

@@ -36,12 +36,6 @@ public class CommandFrameworkException extends RuntimeException {
 
     private String message;
 
-    static CommandFrameworkException commandGetExceptions(String type, Class<?> clazzType, Executable executable, int index) {
-        return new CommandFrameworkException(throwable -> {
-            return CommandFrameworkException.class.getTypeName() + ": Error while getting " + type + " for " + clazzType.getTypeName() + " with parameter index " + index;
-        }, null, throwable -> Stream.empty(), executable.getDeclaringClass().getTypeName() + "." + executable.getName() + "(Unknown Source)");
-    }
-
     static CommandFrameworkException commandPartExceptions(String type, Throwable cause, String current, Class<?> clazzType, Executable executable, int index) {
         return new CommandFrameworkException(e -> {
             return CommandFrameworkException.class.getTypeName() + ": Error while " + type + " (" + current + ") to type " + clazzType.getTypeName() + " with parameter index " + index;

src/de/steamwar/command/CommandMetaData.java

@@ -0,0 +1,92 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.command;
+
+import java.lang.annotation.*;
+
+public @interface CommandMetaData {
+
+    /**
+     * This annotation is only for internal use.
+     */
+    @Retention(RetentionPolicy.RUNTIME)
+    @Target(ElementType.ANNOTATION_TYPE)
+    @interface Method {
+        Class<?>[] value();
+        int minParameterCount() default 0;
+        int maxParameterCount() default Integer.MAX_VALUE;
+    }
+
+    /**
+     * This annotation denotes what types are allowed as parameter types the annotation annotated with can use.
+     */
+    @Retention(RetentionPolicy.RUNTIME)
+    @Target(ElementType.ANNOTATION_TYPE)
+    @interface Parameter {
+        Class<?>[] value() default {};
+        Class<?> handler() default void.class;
+    }
+
+    /**
+     * This annotation can be used in conjunction with a class that implements {@link AbstractTypeMapper} to
+     * create a custom type mapper for a parameter. The class must have one of two constructors with the following
+     * types:
+     * <ul>
+     *     <li>Annotation this annotation annotates</li>
+     *     <li>{@link Class}</li>
+     *     <li>{@link AbstractTypeMapper}, optional, if not present only one per parameter</li>
+     *     <li>{@link java.util.Map} with types {@link String} and {@link AbstractValidator}</li>
+     * </ul>
+     */
+    @Retention(RetentionPolicy.RUNTIME)
+    @Target(ElementType.ANNOTATION_TYPE)
+    @interface ImplicitTypeMapper {
+        /**
+         * The validator class that should be used.
+         */
+        Class<?> handler();
+    }
+
+    /**
+     * This annotation can be used in conjunction with a class that implements {@link AbstractValidator} to
+     * create a custom validator short hands for commands. The validator class must have one constructor with
+     * one of the following types:
+     * <ul>
+     *     <li>Annotation this annotation annotates</li>
+     *     <li>{@link Class}</li>
+     *     <li>{@link java.util.Map} with types {@link String} and {@link AbstractValidator}</li>
+     * </ul>
+     */
+    @Retention(RetentionPolicy.RUNTIME)
+    @Target(ElementType.ANNOTATION_TYPE)
+    @interface ImplicitValidator {
+        /**
+         * The validator class that should be used.
+         */
+        Class<?> handler();
+
+        /**
+         * Defines when this validator should be processed. Negative numbers denote that this will be
+         * processed before {@link AbstractSWCommand.Validator} and positive numbers
+         * denote that this will be processed after {@link AbstractSWCommand.Validator}.
+         */
+        int order();
+    }
+}

src/de/steamwar/command/CommandPart.java

@@ -24,6 +24,7 @@ import lombok.Setter;
 
 import java.lang.reflect.Array;
 import java.lang.reflect.Parameter;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.List;
@@ -31,7 +32,8 @@ import java.util.function.Consumer;
 
 class CommandPart<T> {
 
-    private static final String[] EMPTY_ARRAY = new String[0];
+    private static final String[] EMPTY_STRING_ARRAY = new String[0];
+    private static final Object[] EMPTY_OBJECT_ARRAY = new Object[0];
 
     @AllArgsConstructor
     private static class CheckArgumentResult {
@@ -41,7 +43,7 @@ class CommandPart<T> {
 
     private AbstractSWCommand<T> command;
     private AbstractTypeMapper<T, ?> typeMapper;
-    private AbstractValidator<T, Object> validator;
+    private List<AbstractValidator<T, Object>> validators = new ArrayList<>();
     private Class<?> varArgType;
     private String optional;
 
@@ -53,22 +55,25 @@ class CommandPart<T> {
     @Setter
     private boolean onlyUseIfNoneIsGiven = false;
 
-    @Setter
-    private boolean allowNullValues = false;
-
     private Parameter parameter;
     private int parameterIndex;
 
-    public CommandPart(AbstractSWCommand<T> command, AbstractTypeMapper<T, ?> typeMapper, AbstractValidator<T, Object> validator, Class<?> varArgType, String optional, Parameter parameter, int parameterIndex) {
+    public CommandPart(AbstractSWCommand<T> command, AbstractTypeMapper<T, ?> typeMapper, Class<?> varArgType, String optional, Parameter parameter, int parameterIndex) {
         this.command = command;
         this.typeMapper = typeMapper;
-        this.validator = validator;
         this.varArgType = varArgType;
         this.optional = optional;
         this.parameter = parameter;
         this.parameterIndex = parameterIndex;
 
-        validatePart();
+        if (optional != null && varArgType != null) {
+            throw new IllegalArgumentException("A vararg part can't have an optional part! In method " + parameter.getDeclaringExecutable() + " with parameter " + parameterIndex);
+        }
+    }
+
+    void addValidator(AbstractValidator<T, Object> validator) {
+        if (validator == null) return;
+        validators.add(validator);
     }
 
     public void setNext(CommandPart<T> next) {
@@ -78,41 +83,33 @@ class CommandPart<T> {
         this.next = next;
     }
 
-    private void validatePart() {
-        if (optional != null && varArgType != null) {
-            throw new IllegalArgumentException("A vararg part can't have an optional part! In method " + parameter.getDeclaringExecutable() + " with parameter " + parameterIndex);
-        }
-    }
-
     public void generateArgumentArray(Consumer<Runnable> errors, List<Object> current, T sender, String[] args, int startIndex) {
         if (varArgType != null) {
             Object array = Array.newInstance(varArgType, args.length - startIndex);
             for (int i = startIndex; i < args.length; i++) {
-                CheckArgumentResult validArgument = checkArgument(null, sender, args, i);
-                if (!validArgument.success) {
-                    throw new CommandParseException();
-                }
+                CheckArgumentResult validArgument = checkArgument(null, sender, args, current, i);
+                if (!validArgument.success) throw new CommandParseException();
                 Array.set(array, i - startIndex, validArgument.value);
             }
-            if (validator != null && !validator.validate(sender, array, (s, objects) -> {
-                errors.accept(() -> command.sendMessage(sender, s, objects));
-            })) {
-                throw new CommandParseException();
+            for (AbstractValidator<T, Object> validator : validators) {
+                if (!validator.validate(sender, array, (s, objects) -> {
+                    errors.accept(() -> command.sendMessage(sender, s, objects));
+                })) throw new CommandParseException();
             }
             current.add(array);
             return;
         }
 
-        CheckArgumentResult validArgument = checkArgument(errors, sender, args, startIndex);
+        CheckArgumentResult validArgument = checkArgument(errors, sender, args, current, startIndex);
         if (!validArgument.success && optional == null) {
             throw new CommandParseException();
         }
         if (!validArgument.success) {
             if (!ignoreAsArgument) {
                 if (!onlyUseIfNoneIsGiven) {
-                    current.add(typeMapper.map(sender, EMPTY_ARRAY, optional));
+                    current.add(typeMapper.map(sender, new PreviousArguments(EMPTY_STRING_ARRAY, EMPTY_OBJECT_ARRAY), optional));
                 } else if (startIndex >= args.length) {
-                    current.add(typeMapper.map(sender, EMPTY_ARRAY, optional));
+                    current.add(typeMapper.map(sender, new PreviousArguments(EMPTY_STRING_ARRAY, EMPTY_OBJECT_ARRAY), optional));
                 } else {
                     throw new CommandParseException();
                 }
@@ -127,18 +124,23 @@ class CommandPart<T> {
         }
         if (next != null) {
             next.generateArgumentArray(errors, current, sender, args, startIndex + 1);
+        } else if (startIndex + 1 < args.length) {
+            throw new CommandParseException();
         }
     }
 
-    public void generateTabComplete(List<String> current, T sender, String[] args, int startIndex) {
+    public void generateTabComplete(List<String> current, T sender, String[] args, List<Object> mappedArgs, int startIndex) {
         if (varArgType != null) {
+            List<Object> currentArgs = new ArrayList<>(mappedArgs);
+            List<Object> varArgs = new ArrayList<>();
             for (int i = startIndex; i < args.length - 1; i++) {
-                CheckArgumentResult validArgument = checkArgument((ignore) -> {}, sender, args, i);
-                if (!validArgument.success) {
-                    return;
-                }
+                CheckArgumentResult validArgument = checkArgument((ignore) -> {}, sender, args, mappedArgs, i);
+                if (!validArgument.success) return;
+                varArgs.add(validArgument.value);
             }
-            Collection<String> strings = tabCompletes(sender, args, args.length - 1);
+
+            currentArgs.add(varArgs.toArray());
+            Collection<String> strings = tabCompletes(sender, args, currentArgs, args.length - 1);
             if (strings != null) {
                 current.addAll(strings);
             }
@@ -146,56 +148,65 @@ class CommandPart<T> {
         }
 
         if (args.length - 1 > startIndex) {
-            CheckArgumentResult checkArgumentResult = checkArgument((ignore) -> {}, sender, args, startIndex);
+            CheckArgumentResult checkArgumentResult = checkArgument((ignore) -> {}, sender, args, mappedArgs, startIndex);
             if (checkArgumentResult.success && next != null) {
-                next.generateTabComplete(current, sender, args, startIndex + 1);
+                if (!ignoreAsArgument) {
+                    mappedArgs.add(checkArgumentResult.value);
+                }
+                next.generateTabComplete(current, sender, args, mappedArgs, startIndex + 1);
                 return;
             }
             if (optional != null && next != null) {
-                next.generateTabComplete(current, sender, args, startIndex);
+                next.generateTabComplete(current, sender, args, mappedArgs, startIndex);
             }
             return;
         }
 
-        Collection<String> strings = tabCompletes(sender, args, startIndex);
+        Collection<String> strings = tabCompletes(sender, args, mappedArgs, startIndex);
         if (strings != null) {
             current.addAll(strings);
         }
         if (optional != null && next != null) {
-            next.generateTabComplete(current, sender, args, startIndex);
+            next.generateTabComplete(current, sender, args, mappedArgs, startIndex);
         }
     }
 
-    private Collection<String> tabCompletes(T sender, String[] args, int startIndex) {
-        return TabCompletionCache.tabComplete(sender, typeMapper, command, () -> {
+    private Collection<String> tabCompletes(T sender, String[] args, List<Object> mappedArgs, int startIndex) {
+        return TabCompletionCache.tabComplete(sender, args[startIndex], (AbstractTypeMapper<Object, ?>) typeMapper, () -> {
             try {
-                return typeMapper.tabCompletes(sender, Arrays.copyOf(args, startIndex), args[startIndex]);
+                return typeMapper.tabCompletes(sender, new PreviousArguments(Arrays.copyOf(args, startIndex), mappedArgs.toArray()), args[startIndex]);
             } catch (Throwable e) {
                 throw CommandFrameworkException.commandPartExceptions("tabcompleting", e, args[startIndex], (varArgType != null ? varArgType : parameter.getType()), parameter.getDeclaringExecutable(), parameterIndex);
             }
         });
     }
 
-    private CheckArgumentResult checkArgument(Consumer<Runnable> errors, T sender, String[] args, int index) {
+    private CheckArgumentResult checkArgument(Consumer<Runnable> errors, T sender, String[] args, List<Object> mappedArgs, int index) {
         Object value;
         try {
-            value = typeMapper.map(sender, Arrays.copyOf(args, index), args[index]);
+            value = typeMapper.map(sender, new PreviousArguments(Arrays.copyOf(args, index), mappedArgs.toArray()), args[index]);
         } catch (Exception e) {
             return new CheckArgumentResult(false, null);
         }
-        if (validator != null && errors != null) {
+        boolean success = true;
+        for (AbstractValidator<T, Object> validator : validators) {
             try {
                 if (!validator.validate(sender, value, (s, objects) -> {
                     errors.accept(() -> {
                         command.sendMessage(sender, s, objects);
                     });
                 })) {
-                    return new CheckArgumentResult(false, null);
+                    success = false;
+                    value = null;
                 }
             } catch (Throwable e) {
                 throw CommandFrameworkException.commandPartExceptions("validating", e, args[index], (varArgType != null ? varArgType : parameter.getType()), parameter.getDeclaringExecutable(), parameterIndex);
             }
         }
-        return new CheckArgumentResult(allowNullValues || value != null, value);
+        return new CheckArgumentResult(success, value);
+    }
+
+    public Class<?> getType() {
+        return varArgType != null ? varArgType : parameter.getType();
     }
 }

src/de/steamwar/command/PreviousArguments.java

@@ -0,0 +1,62 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.command;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+
+public class PreviousArguments {
+
+    public final String[] userArgs;
+    public final Object[] mappedArgs;
+
+    public PreviousArguments(String[] userArgs, Object[] mappedArgs) {
+        this.userArgs = userArgs;
+        this.mappedArgs = mappedArgs;
+    }
+
+    public String getUserArg(int index) {
+        return userArgs[userArgs.length - index - 1];
+    }
+
+    public <T> T getMappedArg(int index) {
+        return (T) mappedArgs[mappedArgs.length - index - 1];
+    }
+
+    public <T> Optional<T> getFirst(Class<T> clazz) {
+        for (Object o : mappedArgs) {
+            if (clazz.isInstance(o)) {
+                return Optional.of((T) o);
+            }
+        }
+        return Optional.empty();
+    }
+
+    public <T> List<T> getAll(Class<T> clazz) {
+        List<T> list = new ArrayList<>();
+        for (Object o : mappedArgs) {
+            if (clazz.isInstance(o)) {
+                list.add((T) o);
+            }
+        }
+        return list;
+    }
+}

src/de/steamwar/command/SWCommandUtils.java

@@ -23,7 +23,6 @@ import lombok.Getter;
 import lombok.experimental.UtilityClass;
 
 import java.lang.annotation.Annotation;
-import java.lang.reflect.Array;
 import java.lang.reflect.Method;
 import java.lang.reflect.Parameter;
 import java.util.*;
@@ -42,12 +41,12 @@ public class SWCommandUtils {
 
     private SWTypeMapperCreator swTypeMapperCreator = (mapper, tabCompleter) -> new AbstractTypeMapper<Object, Object>() {
         @Override
-        public Object map(Object sender, String[] previousArguments, String s) {
+        public Object map(Object sender, PreviousArguments previousArguments, String s) {
             return mapper.apply(s);
         }
 
         @Override
-        public Collection<String> tabCompletes(Object sender, String[] previousArguments, String s) {
+        public Collection<String> tabCompletes(Object sender, PreviousArguments previousArguments, String s) {
             return ((BiFunction<Object, Object, Collection<String>>) tabCompleter).apply(sender, s);
         }
     };
@@ -58,10 +57,10 @@ public class SWCommandUtils {
             if (s.equalsIgnoreCase("false")) return false;
             return null;
         }, s -> Arrays.asList("true", "false")));
-        addMapper(float.class, Float.class, createMapper(numberMapper(Float::parseFloat), numberCompleter(Float::parseFloat)));
-        addMapper(double.class, Double.class, createMapper(numberMapper(Double::parseDouble), numberCompleter(Double::parseDouble)));
-        addMapper(int.class, Integer.class, createMapper(numberMapper(Integer::parseInt), numberCompleter(Integer::parseInt)));
-        addMapper(long.class, Long.class, createMapper(numberMapper(Long::parseLong), numberCompleter(Long::parseLong)));
+        addMapper(float.class, Float.class, createMapper(numberMapper(Float::parseFloat), numberCompleter(Float::parseFloat, true)));
+        addMapper(double.class, Double.class, createMapper(numberMapper(Double::parseDouble), numberCompleter(Double::parseDouble, true)));
+        addMapper(int.class, Integer.class, createMapper(numberMapper(Integer::parseInt), numberCompleter(Integer::parseInt, false)));
+        addMapper(long.class, Long.class, createMapper(numberMapper(Long::parseLong), numberCompleter(Long::parseLong, false)));
         MAPPER_FUNCTIONS.put(String.class.getTypeName(), createMapper(s -> s, Collections::singletonList));
     }
 
@@ -74,85 +73,7 @@ public class SWCommandUtils {
         MAPPER_FUNCTIONS.put(alternativeClazz.getTypeName(), mapper);
     }
 
-    static <T> CommandPart<T> generateCommandPart(AbstractSWCommand<T> command, boolean help, String[] subCommand, Parameter[] parameters, Map<String, AbstractTypeMapper<T, ?>> localTypeMapper, Map<String, AbstractValidator<T, ?>> localValidator) {
-        CommandPart<T> first = null;
-        CommandPart<T> current = null;
-        for (String s : subCommand) {
-            CommandPart commandPart = new CommandPart(command, createMapper(s), null, null, null, null, -1);
-            commandPart.setIgnoreAsArgument(true);
-            if (current != null) {
-                current.setNext(commandPart);
-            }
-            current = commandPart;
-            if (first == null) {
-                first = current;
-            }
-        }
-        for (int i = 1; i < parameters.length; i++) {
-            Parameter parameter = parameters[i];
-            AbstractTypeMapper<T, ?> typeMapper = getTypeMapper(parameter, localTypeMapper);
-            AbstractValidator<T, Object> validator = (AbstractValidator<T, Object>) getValidator(parameter, localValidator);
-            Class<?> varArgType = parameter.isVarArgs() ? parameter.getType().getComponentType() : null;
-            AbstractSWCommand.OptionalValue optionalValue = parameter.getAnnotation(AbstractSWCommand.OptionalValue.class);
-            AbstractSWCommand.AllowNull allowNull = parameter.getAnnotation(AbstractSWCommand.AllowNull.class);
-
-            CommandPart<T> commandPart = new CommandPart<>(command, typeMapper, validator, varArgType, optionalValue != null ? optionalValue.value() : null, parameter, i);
-            commandPart.setOnlyUseIfNoneIsGiven(optionalValue != null && optionalValue.onlyUINIG());
-            commandPart.setAllowNullValues(allowNull != null);
-            if (current != null) {
-                current.setNext(commandPart);
-            }
-            current = commandPart;
-            if (first == null) {
-                first = current;
-            }
-        }
-        return first;
-    }
-
-    public static <T> AbstractTypeMapper<T, ?> getTypeMapper(Parameter parameter, Map<String, AbstractTypeMapper<T, ?>> localTypeMapper) {
-        Class<?> clazz = parameter.getType();
-        if (parameter.isVarArgs()) {
-            clazz = clazz.getComponentType();
-        }
-
-        AbstractSWCommand.ClassMapper classMapper = parameter.getAnnotation(AbstractSWCommand.ClassMapper.class);
-        AbstractSWCommand.Mapper mapper = parameter.getAnnotation(AbstractSWCommand.Mapper.class);
-        if (clazz.isEnum() && classMapper == null && mapper == null && !MAPPER_FUNCTIONS.containsKey(clazz.getTypeName()) && !localTypeMapper.containsKey(clazz.getTypeName())) {
-            return createEnumMapper((Class<Enum<?>>) clazz);
-        }
-
-        String name = clazz.getTypeName();
-        if (classMapper != null) {
-            name = classMapper.value().getTypeName();
-        } else if (mapper != null) {
-            name = mapper.value();
-        } else {
-            AbstractSWCommand.StaticValue staticValue = parameter.getAnnotation(AbstractSWCommand.StaticValue.class);
-            if (staticValue != null) {
-                if (parameter.getType() == String.class) {
-                    return createMapper(staticValue.value());
-                }
-                if (staticValue.allowISE()) {
-                    if ((parameter.getType() == boolean.class || parameter.getType() == Boolean.class)) {
-                        List<String> tabCompletes = new ArrayList<>(Arrays.asList(staticValue.value()));
-                        Set<Integer> falseValues = new HashSet<>();
-                        for (int i : staticValue.falseValues()) falseValues.add(i);
-                        return createMapper(s -> {
-                            int index = tabCompletes.indexOf(s);
-                            return index == -1 ? null : !falseValues.contains(index);
-                        }, (commandSender, s) -> tabCompletes);
-                    }
-                    if ((parameter.getType() == int.class || parameter.getType() == Integer.class || parameter.getType() == long.class || parameter.getType() == Long.class) && staticValue.value().length >= 2) {
-                        List<String> tabCompletes = new ArrayList<>(Arrays.asList(staticValue.value()));
-                        return createMapper(s -> {
-                            Number index = tabCompletes.indexOf(s);
-                            return index.longValue() == -1 ? null : index;
-                        }, (commandSender, s) -> tabCompletes);
-                    }
-                }
-            }
-        }
+    public static <T> AbstractTypeMapper<T, ?> getTypeMapper(String name, Map<String, AbstractTypeMapper<T, ?>> localTypeMapper) {
         AbstractTypeMapper<T, ?> typeMapper = localTypeMapper.getOrDefault(name, (AbstractTypeMapper<T, ?>) MAPPER_FUNCTIONS.getOrDefault(name, null));
         if (typeMapper == null) {
             throw new IllegalArgumentException("No mapper found for " + name);
@@ -160,45 +81,24 @@ public class SWCommandUtils {
         return typeMapper;
     }
 
-    public static <T> AbstractValidator<T, ?> getValidator(Parameter parameter, Map<String, AbstractValidator<T, ?>> localValidator) {
+    public static <T> AbstractTypeMapper<T, ?> getTypeMapper(Parameter parameter, Map<String, AbstractTypeMapper<T, ?>> localTypeMapper) {
         Class<?> clazz = parameter.getType();
-
-        AbstractSWCommand.ClassValidator classValidator = parameter.getAnnotation(AbstractSWCommand.ClassValidator.class);
-        if (classValidator != null) {
-            if (classValidator.value() != null) {
-                return getValidator(classValidator.value().getTypeName(), localValidator);
-            }
-            return getValidator(clazz.getTypeName(), localValidator);
+        if (parameter.isVarArgs()) {
+            clazz = clazz.getComponentType();
         }
-
-        AbstractSWCommand.Validator validator = parameter.getAnnotation(AbstractSWCommand.Validator.class);
-        if (validator != null) {
-            if (validator.value() != null && !validator.value().isEmpty()) {
-                return getValidator(validator.value(), localValidator);
-            }
-            return getValidator(clazz.getTypeName(), localValidator);
+        if (clazz.isEnum() && !MAPPER_FUNCTIONS.containsKey(clazz.getTypeName()) && !localTypeMapper.containsKey(clazz.getTypeName())) {
+            return createEnumMapper((Class<Enum<?>>) clazz);
         }
-
-        AbstractSWCommand.ErrorMessage errorMessage = parameter.getAnnotation(AbstractSWCommand.ErrorMessage.class);
-        if (errorMessage != null) {
-            return (AbstractValidator<T, Object>) (sender, value, messageSender) -> {
-                if (value == null) messageSender.send(errorMessage.value());
-                if (!errorMessage.allowEAs() && value != null && value.getClass().isArray() && Array.getLength(value) == 0) {
-                    messageSender.send(errorMessage.value());
-                    return false;
-                }
-                return value != null;
-            };
-        }
-        return null;
+        return getTypeMapper(clazz.getTypeName(), localTypeMapper);
     }
 
-    private static <T> AbstractValidator<T, ?> getValidator(String s, Map<String, AbstractValidator<T, ?>> localGuardChecker) {
-        AbstractValidator<T, ?> validator = localGuardChecker.getOrDefault(s, (AbstractValidator<T, ?>) VALIDATOR_FUNCTIONS.getOrDefault(s, null));
-        if (validator == null) {
+    public static <T> AbstractValidator<T, ?> getValidator(AbstractSWCommand.Validator validator, Class<?> type, Map<String, AbstractValidator<T, ?>> localValidator) {
+        String s = validator.value() != null && !validator.value().isEmpty() ? validator.value() : type.getTypeName();
+        AbstractValidator<T, ?> concreteValidator = localValidator.getOrDefault(s, (AbstractValidator<T, ?>) VALIDATOR_FUNCTIONS.getOrDefault(s, null));
+        if (concreteValidator == null) {
             throw new IllegalArgumentException("No validator found for " + s);
         }
-        return validator;
+        return concreteValidator;
     }
 
     public static <K, T> void addMapper(Class<T> clazz, AbstractTypeMapper<K, T> mapper) {
@@ -255,10 +155,25 @@ public class SWCommandUtils {
         };
     }
 
-    private static Function<String, Collection<String>> numberCompleter(Function<String, ?> mapper) {
-        return s -> numberMapper(mapper).apply(s) != null
-                ? Collections.singletonList(s)
-                : Collections.emptyList();
+    private static Function<String, Collection<String>> numberCompleter(Function<String, ?> mapper, boolean comma) {
+        return s -> {
+            if (numberMapper(mapper).apply(s) == null) {
+                return Collections.emptyList();
+            }
+            List<String> strings = new ArrayList<>();
+            if (s.length() == 0) {
+                strings.add("-");
+            } else {
+                strings.add(s);
+            }
+            for (int i = 0; i < 10; i++) {
+                strings.add(s + i);
+            }
+            if (comma && (!s.contains(".") || !s.contains(","))) {
+                strings.add(s + ".");
+            }
+            return strings;
+        };
     }
 
     static <T extends Annotation> T[] getAnnotation(Method method, Class<T> annotation) {

src/de/steamwar/command/SubCommand.java

@@ -19,17 +19,20 @@
 
 package de.steamwar.command;
 
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Constructor;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.lang.reflect.Parameter;
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.function.Predicate;
 
-public class SubCommand<T> {
+public class SubCommand<T> implements Comparable<SubCommand<T>> {
 
     private AbstractSWCommand<T> abstractSWCommand;
     Method method;
@@ -39,11 +42,12 @@ public class SubCommand<T> {
     private Function<T, ?> senderFunction;
     AbstractValidator<T, T> validator;
     boolean noTabComplete;
-    int comparableValue;
+
+    private Parameter[] parameters;
 
     private CommandPart<T> commandPart;
 
-    SubCommand(AbstractSWCommand<T> abstractSWCommand, Method method, String[] subCommand, Map<String, AbstractTypeMapper<T, ?>> localTypeMapper, Map<String, AbstractValidator<T, ?>> localValidator, boolean help, String[] description, boolean noTabComplete) {
+    SubCommand(AbstractSWCommand<T> abstractSWCommand, Method method, String[] subCommand, Map<String, AbstractTypeMapper<T, ?>> localTypeMapper, Map<String, AbstractValidator<T, ?>> localValidator, String[] description, boolean noTabComplete) {
         this.abstractSWCommand = abstractSWCommand;
         this.method = method;
         try {
@@ -55,17 +59,34 @@ public class SubCommand<T> {
         this.description = description;
         this.noTabComplete = noTabComplete;
 
-        Parameter[] parameters = method.getParameters();
-        comparableValue = parameters[parameters.length - 1].isVarArgs() ? Integer.MAX_VALUE : -parameters.length;
+        parameters = method.getParameters();
+        AbstractSWCommand.Validator validator = parameters[0].getAnnotation(AbstractSWCommand.Validator.class);
+        if (validator != null) {
+            this.validator = (AbstractValidator<T, T>) SWCommandUtils.getValidator(validator, parameters[0].getType(), localValidator);
+        }
 
-        validator = (AbstractValidator<T, T>) SWCommandUtils.getValidator(parameters[0], localValidator);
-
-        commandPart = SWCommandUtils.generateCommandPart(abstractSWCommand, help, subCommand, parameters, localTypeMapper, localValidator);
+        commandPart = generateCommandPart(abstractSWCommand, subCommand, parameters, localTypeMapper, localValidator);
 
         senderPredicate = t -> parameters[0].getType().isAssignableFrom(t.getClass());
         senderFunction = t -> parameters[0].getType().cast(t);
     }
 
+    @Override
+    public int compareTo(SubCommand<T> o) {
+        int tLength = parameters.length + subCommand.length;
+        int oLength = o.parameters.length + o.subCommand.length;
+
+        boolean tVarArgs = parameters[parameters.length - 1].isVarArgs();
+        boolean oVarArgs = o.parameters[o.parameters.length - 1].isVarArgs();
+
+        if (tVarArgs) tLength *= -1;
+        if (oVarArgs) oLength *= -1;
+
+        if (tVarArgs && oVarArgs) return Integer.compare(tLength, oLength);
+
+        return -Integer.compare(tLength, oLength);
+    }
+
     boolean invoke(Consumer<Runnable> errors, T sender, String alias, String[] args) {
         try {
             if (!senderPredicate.test(sender)) {
@@ -97,7 +118,7 @@ public class SubCommand<T> {
                 objects.add(0, senderFunction.apply(sender));
                 method.invoke(abstractSWCommand, objects.toArray());
             }
-        } catch (CommandNoHelpException | CommandFrameworkException e) {
+        } catch (CommandFrameworkException e) {
             throw e;
         } catch (CommandParseException e) {
             return false;
@@ -110,18 +131,155 @@ public class SubCommand<T> {
     }
 
     List<String> tabComplete(T sender, String[] args) {
-        if (validator != null) {
-            if (!validator.validate(sender, sender, (s, objects) -> {
-                // ignore
-            })) {
-                return null;
-            }
+        if (validator != null && !validator.validate(sender, sender, (s, objects) -> {})) {
+            return null;
         }
         if (commandPart == null) {
             return null;
         }
         List<String> list = new ArrayList<>();
-        commandPart.generateTabComplete(list, sender, args, 0);
+        commandPart.generateTabComplete(list, sender, args, new ArrayList<>(), 0);
         return list;
     }
+
+    private static <T> CommandPart<T> generateCommandPart(AbstractSWCommand<T> command, String[] subCommand, Parameter[] parameters, Map<String, AbstractTypeMapper<T, ?>> localTypeMapper, Map<String, AbstractValidator<T, ?>> localValidator) {
+        CommandPart<T> first = null;
+        CommandPart<T> current = null;
+        for (String s : subCommand) {
+            CommandPart commandPart = new CommandPart(command, SWCommandUtils.createMapper(s), null, null, null, -1);
+            commandPart.addValidator(NULL_FILTER);
+            commandPart.setIgnoreAsArgument(true);
+            if (current != null) {
+                current.setNext(commandPart);
+            }
+            current = commandPart;
+            if (first == null) {
+                first = current;
+            }
+        }
+        for (int i = 1; i < parameters.length; i++) {
+            Parameter parameter = parameters[i];
+            AbstractTypeMapper<T, ?> typeMapper = handleImplicitTypeMapper(parameter, localTypeMapper);
+            Class<?> varArgType = parameter.isVarArgs() ? parameter.getType().getComponentType() : null;
+            AbstractSWCommand.OptionalValue optionalValue = parameter.getAnnotation(AbstractSWCommand.OptionalValue.class);
+
+            CommandPart<T> commandPart = new CommandPart<>(command, typeMapper, varArgType, optionalValue != null ? optionalValue.value() : null, parameter, i);
+            commandPart.setOnlyUseIfNoneIsGiven(optionalValue != null && optionalValue.onlyUINIG());
+            handleImplicitTypeValidator(parameter, commandPart, localValidator);
+            if (parameter.getAnnotation(AbstractSWCommand.AllowNull.class) == null) {
+                commandPart.addValidator((AbstractValidator<T, Object>) NULL_FILTER);
+            }
+            if (current != null) {
+                current.setNext(commandPart);
+            }
+            current = commandPart;
+            if (first == null) {
+                first = current;
+            }
+        }
+        return first;
+    }
+
+    private static <T> AbstractTypeMapper<T, Object> handleImplicitTypeMapper(Parameter parameter, Map<String, AbstractTypeMapper<T, ?>> localTypeMapper) {
+        Class<?> type = parameter.getType();
+        if (parameter.isVarArgs()) {
+            type = type.getComponentType();
+        }
+
+        Annotation[] annotations = parameter.getAnnotations();
+        Constructor<?> sourceConstructor = null;
+        Annotation sourceAnnotation = null;
+        List<Constructor<?>> parentConstructors = new ArrayList<>();
+        List<Annotation> parentAnnotations = new ArrayList<>();
+        for (Annotation annotation : annotations) {
+            CommandMetaData.ImplicitTypeMapper implicitTypeMapper = annotation.annotationType().getAnnotation(CommandMetaData.ImplicitTypeMapper.class);
+            if (implicitTypeMapper == null) continue;
+            Class<?> clazz = implicitTypeMapper.handler();
+            if (!AbstractTypeMapper.class.isAssignableFrom(clazz)) continue;
+            Constructor<?>[] constructors = clazz.getConstructors();
+            if (constructors.length != 1) continue;
+            Constructor<?> constructor = constructors[0];
+            if (needsTypeMapper(constructor)) {
+                parentConstructors.add(constructor);
+                parentAnnotations.add(annotation);
+            } else {
+                if (sourceAnnotation != null) {
+                    throw new IllegalArgumentException("Multiple source type mappers found for parameter " + parameter);
+                }
+                sourceConstructor = constructor;
+                sourceAnnotation = annotation;
+            }
+        }
+
+        AbstractTypeMapper<T, Object> current;
+        if (sourceAnnotation != null) {
+            current = createInstance(sourceConstructor, sourceAnnotation, type, localTypeMapper);
+        } else {
+            current = (AbstractTypeMapper<T, Object>) SWCommandUtils.getTypeMapper(parameter, localTypeMapper);
+        }
+        for (int i = 0; i < parentConstructors.size(); i++) {
+            Constructor<?> constructor = parentConstructors.get(i);
+            Annotation annotation = parentAnnotations.get(i);
+            current = createInstance(constructor, annotation, type, localTypeMapper, current);
+        }
+        return current;
+    }
+
+    private static boolean needsTypeMapper(Constructor<?> constructor) {
+        Class<?>[] parameterTypes = constructor.getParameterTypes();
+        for (Class<?> parameterType : parameterTypes) {
+            if (AbstractTypeMapper.class.isAssignableFrom(parameterType)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private static <T> void handleImplicitTypeValidator(Parameter parameter, CommandPart<T> commandPart, Map<String, AbstractValidator<T, ?>> localValidator) {
+        Annotation[] annotations = parameter.getAnnotations();
+        Map<Integer, List<AbstractValidator<T, Object>>> validators = new HashMap<>();
+        for (Annotation annotation : annotations) {
+            CommandMetaData.ImplicitValidator implicitValidator = annotation.annotationType().getAnnotation(CommandMetaData.ImplicitValidator.class);
+            if (implicitValidator == null) continue;
+            Class<?> clazz = implicitValidator.handler();
+            if (!AbstractValidator.class.isAssignableFrom(clazz)) continue;
+            Constructor<?>[] constructors = clazz.getConstructors();
+            if (constructors.length != 1) continue;
+            AbstractValidator<T, Object> validator = createInstance(constructors[0], annotation, commandPart.getType(), localValidator);
+            validators.computeIfAbsent(implicitValidator.order(), integer -> new ArrayList<>()).add(validator);
+        }
+        List<Integer> keys = new ArrayList<>(validators.keySet());
+        keys.sort(Integer::compareTo);
+        for (Integer key : keys) {
+            List<AbstractValidator<T, Object>> list = validators.get(key);
+            for (AbstractValidator<T, Object> validator : list) {
+                commandPart.addValidator(validator);
+            }
+        }
+    }
+
+    private static <T> T createInstance(Constructor<?> constructor, Object... parameter) {
+        Class<?>[] types = constructor.getParameterTypes();
+        List<Object> objects = new ArrayList<>();
+        for (Class<?> clazz : types) {
+            boolean found = false;
+            for (Object o : parameter) {
+                if (clazz.isAssignableFrom(o.getClass())) {
+                    objects.add(o);
+                    found = true;
+                    break;
+                }
+            }
+            if (!found) {
+                throw new RuntimeException("Could not find type " + clazz + " for constructor " + constructor);
+            }
+        }
+        try {
+            return (T) constructor.newInstance(objects.toArray());
+        } catch (InstantiationException | IllegalAccessException | InvocationTargetException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private static final AbstractValidator<?, Object> NULL_FILTER = (sender, value, messageSender) -> value != null;
 }

src/de/steamwar/command/TabCompletionCache.java

@@ -51,25 +51,29 @@ public class TabCompletionCache {
     @AllArgsConstructor
     private static class Key {
         private Object sender;
+        private String arg;
         private AbstractTypeMapper<?, ?> typeMapper;
     }
 
     @AllArgsConstructor
     private static class TabCompletions {
-        private AbstractSWCommand<?> command;
         private long timestamp;
         private Collection<String> tabCompletions;
     }
 
-    Collection<String> tabComplete(Object sender, AbstractTypeMapper<?, ?> typeMapper, AbstractSWCommand<?> command, Supplier<Collection<String>> tabCompleteSupplier) {
+    Collection<String> tabComplete(Object sender, String arg, AbstractTypeMapper<Object, ?> typeMapper, Supplier<Collection<String>> tabCompleteSupplier) {
         if (!cached.contains(typeMapper)) return tabCompleteSupplier.get();
-        Key key = global.contains(typeMapper) ? new Key(null, typeMapper) : new Key(sender, typeMapper);
+
+        String normalizedArg = typeMapper.normalize(sender, arg);
+        if (normalizedArg == null) normalizedArg = "";
+        Key key = new Key(global.contains(typeMapper) ? null : sender, normalizedArg, typeMapper);
+
         TabCompletions tabCompletions = tabCompletionCache.computeIfAbsent(key, ignore -> {
-            return new TabCompletions(command, System.currentTimeMillis(), tabCompleteSupplier.get());
+            return new TabCompletions(System.currentTimeMillis(), tabCompleteSupplier.get());
         });
-        if (tabCompletions.command != command || System.currentTimeMillis() - tabCompletions.timestamp > cacheDuration.get(typeMapper)) {
-            tabCompletions = new TabCompletions(command, System.currentTimeMillis(), tabCompleteSupplier.get());
-            tabCompletionCache.put(key, tabCompletions);
+
+        if (System.currentTimeMillis() - tabCompletions.timestamp > cacheDuration.get(typeMapper)) {
+            tabCompletions.tabCompletions = tabCompleteSupplier.get();
         }
         tabCompletions.timestamp = System.currentTimeMillis();
         return tabCompletions.tabCompletions;

src/de/steamwar/linkage/LinkageProcessor.java

@@ -285,6 +285,7 @@ public class LinkageProcessor extends AbstractProcessor {
 
     private LinkageType resolveSingle(TypeMirror typeMirror) {
         String qualifier = typeMirror.toString();
+        if (qualifier.contains("<")) qualifier = qualifier.substring(0, qualifier.indexOf('<'));
         qualifier = qualifier.substring(qualifier.lastIndexOf('.') + 1);
         try {
             return (LinkageType) Class.forName("de.steamwar.linkage.types." + qualifier + "_" + context.name()).getDeclaredConstructor().newInstance();

src/de/steamwar/sql/BauweltMember.java

@@ -0,0 +1,79 @@
+/* 
+    This file is a part of the SteamWar software.
+    
+    Copyright (C) 2020  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.SelectStatement;
+import de.steamwar.sql.internal.Table;
+import lombok.Getter;
+
+import java.util.*;
+
+public class BauweltMember {
+    private static final Map<Integer, BauweltMember> memberCache = new HashMap<>();
+
+    public static void clear() {
+        memberCache.clear();
+    }
+
+    private static final Table<BauweltMember> table = new Table<>(BauweltMember.class);
+    private static final SelectStatement<BauweltMember> getMember = table.select(Table.PRIMARY);
+    private static final SelectStatement<BauweltMember> getMembers = table.selectFields("BauweltID");
+
+    public static BauweltMember getBauMember(UUID ownerID, UUID memberID){
+        return getBauMember(SteamwarUser.get(ownerID).getId(), SteamwarUser.get(memberID).getId());
+    }
+
+    public static BauweltMember getBauMember(int ownerID, int memberID){
+        BauweltMember member = memberCache.get(memberID);
+        if(member != null)
+            return member;
+        return getMember.select(ownerID, memberID);
+    }
+
+    public static List<BauweltMember> getMembers(UUID bauweltID){
+        return getMembers(SteamwarUser.get(bauweltID).getId());
+    }
+
+    public static List<BauweltMember> getMembers(int bauweltID){
+        return getMembers.listSelect(bauweltID);
+    }
+
+    @Getter
+    @Field(keys = {Table.PRIMARY})
+    private final int bauweltID;
+    @Getter
+    @Field(keys = {Table.PRIMARY})
+    private final int memberID;
+    @Getter
+    @Field
+    private final boolean worldEdit;
+    @Getter
+    @Field
+    private final boolean world;
+
+    public BauweltMember(int bauweltID, int memberID, boolean worldEdit, boolean world) {
+        this.bauweltID = bauweltID;
+        this.memberID = memberID;
+        this.worldEdit = worldEdit;
+        this.world = world;
+        memberCache.put(memberID, this);
+    }
+}

src/de/steamwar/sql/CheckedSchematic.java

@@ -0,0 +1,71 @@
+/*
+    This file is a part of the SteamWar software.
+
+    Copyright (C) 2020  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.SelectStatement;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+import java.sql.Timestamp;
+import java.util.List;
+
+@AllArgsConstructor
+public class CheckedSchematic {
+
+    private static final Table<CheckedSchematic> table = new Table<>(CheckedSchematic.class);
+    private static final SelectStatement<CheckedSchematic> statusOfNode = new SelectStatement<>(table, "SELECT * FROM CheckedSchematic WHERE NodeId = ? AND DeclineReason != 'Prüfvorgang abgebrochen' ORDER BY EndTime DESC");
+
+    public static List<CheckedSchematic> getLastDeclinedOfNode(int node){
+        return statusOfNode.listSelect(node);
+    }
+
+    @Field(nullable = true)
+    private final Integer nodeId;
+    @Field
+    private final int nodeOwner;
+    @Field
+    private final String nodeName;
+    @Getter
+    @Field
+    private final int validator;
+    @Getter
+    @Field
+    private final Timestamp startTime;
+    @Getter
+    @Field
+    private final Timestamp endTime;
+    @Getter
+    @Field
+    private final String declineReason;
+
+    public int getNode() {
+        return nodeId;
+    }
+
+    public String getSchemName() {
+        return nodeName;
+    }
+
+    public int getSchemOwner() {
+        return nodeOwner;
+    }
+}

src/de/steamwar/sql/Event.java

@@ -0,0 +1,75 @@
+/* 
+    This file is a part of the SteamWar software.
+    
+    Copyright (C) 2020  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.SelectStatement;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+import java.sql.Timestamp;
+
+@AllArgsConstructor
+public class Event {
+
+    private static final Table<Event> table = new Table<>(Event.class);
+    private static final SelectStatement<Event> byId = table.select(Table.PRIMARY);
+
+    public static Event get(int eventID){
+        return byId.select(eventID);
+    }
+
+    @Getter
+    @Field(keys = {Table.PRIMARY}, autoincrement = true)
+    private final int eventID;
+    @Getter
+    @Field(keys = {"eventName"})
+    private final String eventName;
+    @Getter
+    @Field
+    private final Timestamp deadline;
+    @Getter
+    @Field
+    private final Timestamp start;
+    @Getter
+    @Field
+    private final Timestamp end;
+    @Getter
+    @Field
+    private final int maximumTeamMembers;
+    @Field(nullable = true)
+    private final SchematicType schemType;
+    @Field
+    private final boolean publicSchemsOnly;
+    @Field
+    private final boolean spectateSystem;
+
+    public boolean publicSchemsOnly() {
+        return publicSchemsOnly;
+    }
+    public boolean spectateSystem(){
+        return spectateSystem;
+    }
+
+    public SchematicType getSchematicType() {
+        return schemType;
+    }
+}

src/de/steamwar/sql/EventFight.java

@@ -0,0 +1,72 @@
+/* 
+    This file is a part of the SteamWar software.
+    
+    Copyright (C) 2020  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.SelectStatement;
+import de.steamwar.sql.internal.Statement;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@AllArgsConstructor
+public class EventFight {
+
+    private static final Table<EventFight> table = new Table<>(EventFight.class);
+    private static final SelectStatement<EventFight> byId = table.select(Table.PRIMARY);
+    private static final Statement setResult = table.update(Table.PRIMARY, "Ergebnis");
+    private static final Statement setFight = table.update(Table.PRIMARY, "Fight");
+
+    public static EventFight get(int fightID) {
+        return byId.select(fightID);
+    }
+
+    @Getter
+    @Field
+    private final int eventID;
+    @Getter
+    @Field(keys = {Table.PRIMARY}, autoincrement = true)
+    private final int fightID;
+    @Getter
+    @Field
+    private final int teamBlue;
+    @Getter
+    @Field
+    private final int teamRed;
+    @Getter
+    @Field
+    private final int kampfleiter;
+    @Getter
+    @Field(def = "0")
+    private int ergebnis;
+    @Field(nullable = true)
+    private int fight;
+
+    public void setErgebnis(int winner) {
+        this.ergebnis = winner;
+        setResult.update(winner, fightID);
+    }
+
+    public void setFight(int fight) {
+        //Fight.FightID, not EventFight.FightID
+        this.fight = fight;
+        setFight.update(fight, fightID);
+    }
+}

src/de/steamwar/sql/Fight.java

@@ -0,0 +1,61 @@
+/* 
+    This file is a part of the SteamWar software.
+    
+    Copyright (C) 2020  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.Statement;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+
+import java.sql.Timestamp;
+
+@AllArgsConstructor
+public class Fight {
+
+    private static final Table<Fight> table = new Table<>(Fight.class);
+    private static final Statement insert = table.insertFields(true, "GameMode", "Server", "StartTime", "Duration", "BlueLeader", "RedLeader", "BlueSchem", "RedSchem", "Win", "WinCondition");
+
+    @Field(keys = {Table.PRIMARY}, autoincrement = true)
+    private final int fightID;
+    @Field
+    private final String gameMode;
+    @Field
+    private final String server;
+    @Field
+    private final Timestamp startTime;
+    @Field
+    private final int duration;
+    @Field
+    private final int blueLeader;
+    @Field
+    private final int redLeader;
+    @Field(nullable = true)
+    private final Integer blueSchem;
+    @Field(nullable = true)
+    private final Integer redSchem;
+    @Field
+    private final int win;
+    @Field
+    private final String wincondition;
+
+    public static int create(String gamemode, String server, Timestamp starttime, int duration, int blueleader, int redleader, Integer blueschem, Integer redschem, int win, String wincondition){
+        return insert.insertGetKey(gamemode, server, starttime, duration, blueleader, redleader, blueschem, redschem, win, wincondition);
+    }
+}

src/de/steamwar/sql/FightPlayer.java

@@ -0,0 +1,49 @@
+/* 
+    This file is a part of the SteamWar software.
+    
+    Copyright (C) 2020  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.Statement;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+
+@AllArgsConstructor
+public class FightPlayer {
+
+    private static final Table<FightPlayer> table = new Table<>(FightPlayer.class);
+    private static final Statement create = table.insertAll();
+
+    @Field(keys = {Table.PRIMARY})
+    private final int fightID;
+    @Field(keys = {Table.PRIMARY})
+    private final int userID;
+    @Field
+    private final int team;
+    @Field
+    private final String kit;
+    @Field
+    private final int kills;
+    @Field
+    private final boolean isOut;
+
+    public static void create(int fightID, int userID, boolean blue, String kit, int kills, boolean isOut) {
+        create.update(fightID, userID, blue ? 1 : 2, kit, kills, isOut);
+    }
+}

src/de/steamwar/sql/NoClipboardException.java

@@ -0,0 +1,23 @@
+/* 
+    This file is a part of the SteamWar software.
+    
+    Copyright (C) 2020  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package de.steamwar.sql;
+
+public class NoClipboardException extends RuntimeException {
+}

src/de/steamwar/sql/NodeDownload.java

@@ -0,0 +1,69 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2021  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.Statement;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.security.Timestamp;
+import java.time.Instant;
+
+@AllArgsConstructor
+public class NodeDownload {
+
+    private static final char[] HEX = new char[]{'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
+    private static final String LINK_BASE = "https://steamwar.de/download.php?schem=";
+
+    private static final Table<NodeDownload> table = new Table<>(NodeDownload.class);
+    private static final Statement insert = table.insertFields("NodeId", "Link");
+
+    @Field(keys = {Table.PRIMARY})
+    private final int nodeId;
+    @Field
+    private final String link;
+    @Field(def = "CURRENT_TIMESTAMP")
+    private final Timestamp timestamp;
+
+    public static String getLink(SchematicNode schem){
+        if(schem.isDir())
+            throw new SecurityException("Can not Download Directorys");
+        MessageDigest digest;
+        try {
+            digest = MessageDigest.getInstance("SHA-1");
+        } catch (NoSuchAlgorithmException e) {
+            throw new SecurityException(e);
+        }
+        digest.reset();
+        digest.update((Instant.now().toString() + schem.getOwner() + schem.getId()).getBytes());
+        String hash = base16encode(digest.digest());
+        insert.update(schem.getId(), hash);
+        return LINK_BASE + hash;
+    }
+    public static String base16encode(byte[] byteArray) {
+        StringBuilder hexBuffer = new StringBuilder(byteArray.length * 2);
+        for (byte b : byteArray)
+            hexBuffer.append(HEX[(b >>> 4) & 0xF]).append(HEX[b & 0xF]);
+        return hexBuffer.toString();
+    }
+}

src/de/steamwar/sql/NodeMember.java

@@ -0,0 +1,91 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.SelectStatement;
+import de.steamwar.sql.internal.Statement;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+
+import java.util.HashSet;
+import java.util.Optional;
+import java.util.Set;
+
+@AllArgsConstructor
+public class NodeMember {
+
+    public static void init() {
+        // enforce class initialization
+    }
+
+    private static final Table<NodeMember> table = new Table<>(NodeMember.class);
+    private static final SelectStatement<NodeMember> getNodeMember = table.select(Table.PRIMARY);
+    private static final SelectStatement<NodeMember> getNodeMembers = table.selectFields("NodeId");
+    private static final SelectStatement<NodeMember> getSchematics = table.selectFields("UserId");
+    private static final Statement create = table.insert(Table.PRIMARY);
+    private static final Statement delete = table.delete(Table.PRIMARY);
+    private static final Statement updateParent = table.update(Table.PRIMARY, "ParentId");
+
+    @Field(keys = {Table.PRIMARY})
+    private final int nodeId;
+    @Field(keys = {Table.PRIMARY})
+    private final int userId;
+    @Field(nullable = true, def = "null")
+    private Integer parentId;
+
+    public int getNode() {
+        return nodeId;
+    }
+
+    public int getMember() {
+        return userId;
+    }
+
+    public Optional<Integer> getParent() {
+        return Optional.ofNullable(parentId);
+    }
+
+    public void delete() {
+        delete.update(nodeId, userId);
+    }
+
+    public static NodeMember createNodeMember(int node, int member) {
+        create.update(node, member);
+        return new NodeMember(node, member, null);
+    }
+
+    public static NodeMember getNodeMember(int node, int member) {
+        return getNodeMember.select(node, member);
+    }
+
+    public static Set<NodeMember> getNodeMembers(int node) {
+        return new HashSet<>(getNodeMembers.listSelect(node));
+    }
+
+    public static Set<NodeMember> getSchematics(int member) {
+        return new HashSet<>(getSchematics.listSelect(member));
+    }
+
+    public void setParentId(Integer parentId) {
+        this.parentId = parentId;
+        updateParent.update(this.parentId, nodeId, userId);
+    }
+}

src/de/steamwar/sql/Punishment.java

@@ -0,0 +1,122 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.SelectStatement;
+import de.steamwar.sql.internal.SqlTypeMapper;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+import java.sql.Timestamp;
+import java.time.format.DateTimeFormatter;
+import java.util.Date;
+import java.util.Map;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+
+@AllArgsConstructor
+public class Punishment {
+
+    static {
+        SqlTypeMapper.nameEnumMapper(PunishmentType.class);
+    }
+
+    private static final Table<Punishment> table = new Table<>(Punishment.class, "Punishments");
+    private static final SelectStatement<Punishment> getPunishments = new SelectStatement<>(table, "SELECT * FROM Punishments WHERE PunishmentId IN (SELECT MAX(PunishmentId) FROM Punishments WHERE UserId = ? GROUP BY Type)");
+    private static final SelectStatement<Punishment> getPunishment = new SelectStatement<>(table, "SELECT * FROM Punishments WHERE UserId = ? AND Type = ? ORDER BY PunishmentId DESC LIMIT 1");
+
+    @Field(keys = {Table.PRIMARY}, autoincrement = true)
+    private final int punishmentId;
+    @Field
+    private final int userId;
+    @Field
+    @Getter
+    private final int punisher;
+    @Field
+    @Getter
+    private final PunishmentType type;
+    @Field
+    @Getter
+    private final Timestamp startTime;
+    @Field
+    @Getter
+    private final Timestamp endTime;
+    @Field
+    @Getter
+    private final boolean perma;
+    @Field
+    @Getter
+    private final String reason;
+
+    public static Punishment getPunishmentOfPlayer(int user, PunishmentType type) {
+        return getPunishment.select(user, type);
+    }
+
+    public static Map<PunishmentType, Punishment> getPunishmentsOfPlayer(int user) {
+        return getPunishments.listSelect(user).stream().collect(Collectors.toMap(Punishment::getType, punishment -> punishment));
+    }
+
+    public static boolean isPunished(SteamwarUser user, Punishment.PunishmentType type, Consumer<Punishment> callback) {
+        Punishment punishment = Punishment.getPunishmentOfPlayer(user.getId(), type);
+        if(punishment == null || !punishment.isCurrent()) {
+            return false;
+        } else {
+            callback.accept(punishment);
+            return true;
+        }
+    }
+
+    @Deprecated // Not multiling, misleading title
+    public String getBantime(Timestamp endTime, boolean perma) {
+        if (perma) {
+            return "permanent";
+        } else {
+            return endTime.toLocalDateTime().format(DateTimeFormatter.ofPattern("dd.MM.yyyy HH:mm"));
+        }
+    }
+
+    public int getUserId() {
+        return userId;
+    }
+
+    public boolean isCurrent() {
+        return isPerma() || getEndTime().after(new Date());
+    }
+
+    @AllArgsConstructor
+    @Getter
+    public enum PunishmentType {
+        Ban(false, "BAN_TEAM", "BAN_PERMA", "BAN_UNTIL", "UNBAN_ERROR", "UNBAN"),
+        Mute( false, "MUTE_TEAM", "MUTE_PERMA", "MUTE_UNTIL", "UNMUTE_ERROR", "UNMUTE"),
+        NoSchemReceiving(false, "NOSCHEMRECEIVING_TEAM", "NOSCHEMRECEIVING_PERMA", "NOSCHEMRECEIVING_UNTIL", "UNNOSCHEMRECEIVING_ERROR", "UNNOSCHEMRECEIVING"),
+        NoSchemSharing(false, "NOSCHEMSHARING_TEAM", "NOSCHEMSHARING_PERMA", "NOSCHEMSHARING_UNTIL", "UNNOSCHEMSHARING_ERROR", "UNNOSCHEMSHARING"),
+        NoSchemSubmitting(true, "NOSCHEMSUBMITTING_TEAM", "NOSCHEMSUBMITTING_PERMA", "NOSCHEMSUBMITTING_UNTIL", "UNNOSCHEMSUBMITTING_ERROR", "UNNOSCHEMSUBMITTING"),
+        NoDevServer(true, "NODEVSERVER_TEAM", "NODEVSERVER_PERMA", "NODEVSERVER_UNTIL", "UNNODEVSERVER_ERROR", "UNNODEVSERVER");
+
+        private final boolean needsAdmin;
+        private final String teamMessage;
+        private final String playerMessagePerma;
+        private final String playerMessageUntil;
+        private final String usageNotPunished;
+        private final String unpunishmentMessage;
+    }
+}

src/de/steamwar/sql/Replay.java

@@ -0,0 +1,74 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.*;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.StandardCopyOption;
+import java.sql.SQLException;
+
+@AllArgsConstructor
+public class Replay {
+
+    static {
+        new SqlTypeMapper<>(File.class, "BLOB", (rs, identifier) -> {
+            try {
+                File file = File.createTempFile("replay", ".replay");
+                file.deleteOnExit();
+                Files.copy(rs.getBinaryStream(identifier), file.toPath(), StandardCopyOption.REPLACE_EXISTING);
+                return file;
+            } catch (IOException e) {
+                throw new SQLException(e);
+            }
+        }, (st, index, value) -> {
+            try {
+                st.setBinaryStream(index, new FileInputStream(value));
+            } catch (FileNotFoundException e) {
+                throw new SQLException(e);
+            }
+        });
+    }
+
+    private static final Table<Replay> table = new Table<>(Replay.class);
+    private static final SelectStatement<Replay> get = table.select(Table.PRIMARY);
+
+    public static final Statement insert = table.insertAll();
+
+    public static Replay get(int fightID) {
+        return get.select(fightID);
+    }
+
+    public static void save(int fightID, File file) {
+        insert.update(fightID, file);
+    }
+
+    @Field(keys = {Table.PRIMARY})
+    private final int fightID;
+    @Getter
+    @Field
+    private final File replay;
+}

src/de/steamwar/sql/SQLWrapper.java

@@ -0,0 +1,33 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import de.steamwar.ImplementationProvider;
+
+import java.util.List;
+import java.util.Map;
+
+public interface SQLWrapper {
+    SQLWrapper impl = ImplementationProvider.getImpl("de.steamwar.sql.SQLWrapperImpl");
+
+    void loadSchemTypes(List<SchematicType> tmpTypes, Map<String, SchematicType> tmpFromDB);
+
+    void additionalExceptionMetadata(StringBuilder builder);
+}

src/de/steamwar/sql/SWException.java

@@ -0,0 +1,61 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.Statement;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+
+import java.io.File;
+import java.sql.Timestamp;
+
+@AllArgsConstructor
+public class SWException {
+
+    public static void init() {
+        // force class initialialisation
+    }
+
+    private static final String CWD = System.getProperty("user.dir");
+    private static final String SERVER_NAME = new File(CWD).getName();
+
+    private static final Table<SWException> table = new Table<>(SWException.class, "Exception");
+    private static final Statement insert = table.insertFields("server", "message", "stacktrace");
+
+    @Field(keys = {Table.PRIMARY}, autoincrement = true)
+    private final int id;
+    @Field(def = "CURRENT_TIMESTAMP")
+    private final Timestamp time;
+    @Field
+    private final String server;
+    @Field
+    private final String message;
+    @Field
+    private final String stacktrace;
+
+    public static void log(String message, String stacktrace){
+        StringBuilder msgBuilder = new StringBuilder(message);
+        SQLWrapper.impl.additionalExceptionMetadata(msgBuilder);
+        msgBuilder.append("\nCWD: ").append(CWD);
+
+        insert.update(SERVER_NAME, msgBuilder.toString(), stacktrace);
+    }
+}

src/de/steamwar/sql/SchemElo.java

@@ -0,0 +1,44 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.SelectStatement;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+
+@AllArgsConstructor
+public class SchemElo {
+
+    private static final Table<SchemElo> table = new Table<>(SchemElo.class);
+    private static final SelectStatement<SchemElo> select = table.select(Table.PRIMARY);
+
+    @Field(keys = {Table.PRIMARY})
+    private final int schemId;
+    @Field
+    private final int elo;
+    @Field(keys = {Table.PRIMARY})
+    private final int season;
+
+    public static int getElo(SchematicNode node, int season) {
+        SchemElo elo = select.select(node, season);
+        return elo != null ? elo.elo : 0;
+    }
+}

src/de/steamwar/sql/SchematicNode.java

@@ -0,0 +1,564 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.*;
+import lombok.AccessLevel;
+import lombok.Getter;
+import lombok.Setter;
+
+import java.sql.Timestamp;
+import java.time.Instant;
+import java.util.*;
+import java.util.function.Predicate;
+
+public class SchematicNode {
+
+    static {
+        new SqlTypeMapper<>(SchematicNode.class, null, (rs, identifier) -> { throw new SecurityException("SchematicNode cannot be used as type (recursive select)"); }, (st, index, value) -> st.setInt(index, value.nodeId));
+    }
+
+    private static final Map<Integer, Map<String, List<String>>> TAB_CACHE = new HashMap<>();
+    public static void clear() {
+        TAB_CACHE.clear();
+    }
+
+    private static final String nodeSelector = "SELECT NodeId, NodeOwner, NodeOwner AS EffectiveOwner, NodeName, ParentNode, LastUpdate, NodeItem, NodeType, NodeRank, ReplaceColor, AllowReplay, NodeFormat FROM SchematicNode ";
+
+    private static final Table<SchematicNode> table = new Table<>(SchematicNode.class);
+    private static final Statement create = table.insertFields(true, "NodeOwner", "NodeName", "ParentNode", "NodeItem", "NodeType");
+    private static final Statement update = table.update(Table.PRIMARY, "NodeName", "ParentNode", "NodeItem", "NodeType", "NodeRank", "ReplaceColor", "AllowReplay", "NodeFormat");
+    private static final Statement delete = table.delete(Table.PRIMARY);
+
+    private static final SelectStatement<SchematicNode> byId = new SelectStatement<>(table, nodeSelector + "WHERE NodeId = ?");
+    private static final SelectStatement<SchematicNode> byOwnerNameParent = new SelectStatement<>(table, nodeSelector + "WHERE NodeOwner = ? AND NodeName = ? AND ParentNode " + Statement.NULL_SAFE_EQUALS + "?");
+    private static final SelectStatement<SchematicNode> byParent = new SelectStatement<>(table, nodeSelector + "WHERE ParentNode" + Statement.NULL_SAFE_EQUALS + "? ORDER BY NodeName");
+    private static final SelectStatement<SchematicNode> dirsByParent = new SelectStatement<>(table, nodeSelector + "WHERE ParentNode" + Statement.NULL_SAFE_EQUALS + "? AND NodeType is NULL ORDER BY NodeName");
+    private static final SelectStatement<SchematicNode> byOwnerType = new SelectStatement<>(table, nodeSelector + "WHERE NodeOwner = ? AND NodeType = ? ORDER BY NodeName");
+    private static final SelectStatement<SchematicNode> byType = new SelectStatement<>(table, nodeSelector + "WHERE NodeType = ? ORDER BY NodeName");
+    private static final SelectStatement<SchematicNode> all = new SelectStatement<>(table, "SELECT * FROM EffectiveSchematicNode WHERE EffectiveOwner = ? ORDER BY NodeName");
+    private static final SelectStatement<SchematicNode> list = new SelectStatement<>(table, "SELECT SchematicNode.NodeId, NodeOwner, ? AS EffectiveOwner, NodeName, NM.ParentId AS ParentNode, LastUpdate, NodeItem, NodeType, NodeRank, ReplaceColor, AllowReplay, NodeFormat FROM SchematicNode INNER JOIN NodeMember NM on SchematicNode.NodeId = NM.NodeId WHERE NM.ParentId " + Statement.NULL_SAFE_EQUALS + "? AND NM.UserId = ? UNION ALL SELECT SchematicNode.NodeId, NodeOwner, ? AS EffectiveOwner, NodeName, ParentNode, LastUpdate, NodeItem, NodeType, NodeRank, ReplaceColor, AllowReplay, NodeFormat FROM SchematicNode WHERE (? IS NULL AND ParentNode IS NULL AND NodeOwner = ?) OR (? IS NOT NULL AND ParentNode = ?) ORDER BY NodeName");
+    private static final SelectStatement<SchematicNode> byParentName = new SelectStatement<>(table, "SELECT SchematicNode.NodeId, NodeOwner, ? AS EffectiveOwner, NodeName, NM.ParentId AS ParentNode, LastUpdate, NodeItem, NodeType, NodeRank, ReplaceColor, AllowReplay, NodeFormat FROM SchematicNode INNER JOIN NodeMember NM on SchematicNode.NodeId = NM.NodeId WHERE NM.ParentId " + Statement.NULL_SAFE_EQUALS + "? AND NM.UserId = ? AND SchematicNode.NodeName = ? UNION ALL SELECT SchematicNode.NodeId, NodeOwner, ? AS EffectiveOwner, NodeName, ParentNode, LastUpdate, NodeItem, NodeType, NodeRank, ReplaceColor, AllowReplay, NodeFormat FROM SchematicNode WHERE ((? IS NULL AND ParentNode IS NULL AND NodeOwner = ?) OR (? IS NOT NULL AND ParentNode = ?)) AND NodeName = ?");
+    private static final SelectStatement<SchematicNode> schematicAccessibleForUser = new SelectStatement<>(table, "SELECT COUNT(DISTINCT NodeId) FROM EffectiveSchematicNode WHERE EffectiveOwner = ? AND NodeId = ?");
+    private static final SelectStatement<SchematicNode> accessibleByUserTypeInParent = new SelectStatement<>(table, "WITH RECURSIVE RSN AS (SELECT NodeId, ParentNode FROM EffectiveSchematicNode WHERE NodeType = ? AND EffectiveOwner = ? UNION SELECT SN.NodeId, SN.ParentNode FROM RSN, EffectiveSchematicNode SN WHERE SN.NodeId = RSN.ParentNode AND EffectiveOwner = ?) SELECT SN.NodeId, SN.NodeOwner, ? AS EffectiveOwner, SN.NodeName, RSN.ParentNode, SN.LastUpdate, SN.NodeItem, SN.NodeType, SN.NodeRank, SN.ReplaceColor, SN.AllowReplay, SN.NodeFormat FROM RSN INNER JOIN SchematicNode SN ON RSN.NodeId = SN.NodeId WHERE RSN.ParentNode" + Statement.NULL_SAFE_EQUALS + "?");
+    private static final SelectStatement<SchematicNode> accessibleByUserType = new SelectStatement<>(table, "SELECT * FROM EffectiveSchematicNode WHERE EffectiveOwner = ? AND NodeType = ?");
+    private static final SelectStatement<SchematicNode> byIdAndUser = new SelectStatement<>(table, "SELECT NodeId, NodeOwner, ? AS EffectiveOwner, NodeName, ParentNode, LastUpdate, NodeItem, NodeType, NodeRank, ReplaceColor, AllowReplay, NodeFormat FROM SchematicNode WHERE NodeId = ?");
+    private static final SelectStatement<SchematicNode> allParentsOfNode = new SelectStatement<>(table, "WITH RECURSIVE R AS (SELECT NodeId, ParentNode FROM EffectiveSchematicNode WHERE NodeId = ? AND EffectiveOwner = ? UNION SELECT E.NodeId, E.ParentNode FROM R, EffectiveSchematicNode E WHERE R.ParentNode = E.NodeId AND E.EffectiveOwner = ?) SELECT SN.NodeId, SN.NodeOwner, ? AS EffectiveOwner, SN.NodeName, R.ParentNode, SN.LastUpdate, SN.NodeItem, SN.NodeType, SN.NodeRank, SN.ReplaceColor, SN.AllowReplay, SN.NodeFormat FROM R INNER JOIN SchematicNode SN ON SN.NodeId = R.NodeId");
+
+    static {
+        NodeMember.init();
+    }
+
+    @Field(keys = {Table.PRIMARY}, autoincrement = true)
+    private final int nodeId;
+    @Field(keys = {"OwnerNameParent"})
+    private final int nodeOwner;
+    @Field(def = "0")
+    @Getter
+    private final int effectiveOwner;
+    @Field(keys = {"OwnerNameParent"})
+    private String nodeName;
+    @Field(keys = {"OwnerNameParent"}, nullable = true)
+    private Integer parentNode;
+    @Field(def = "CURRENT_TIMESTAMP")
+    private Timestamp lastUpdate;
+    @Field(def = "''")
+    private String nodeItem;
+    @Field(def = "'normal'", nullable = true)
+    private SchematicType nodeType;
+    @Field(def = "0")
+    private int nodeRank;
+    @Field(def = "1")
+    private boolean replaceColor;
+    @Field(def = "1")
+    private boolean allowReplay;
+    @Setter(AccessLevel.PACKAGE)
+    @Field(def = "1")
+    private boolean nodeFormat;
+
+    private String brCache;
+
+    public SchematicNode(
+            int nodeId,
+            int nodeOwner,
+            int effectiveOwner,
+            String nodeName,
+            Integer parentNode,
+            Timestamp lastUpdate,
+            String nodeItem,
+            SchematicType nodeType,
+            int nodeRank,
+            boolean replaceColor,
+            boolean allowReplay,
+            boolean nodeFormat
+    ) {
+        this.nodeId = nodeId;
+        this.nodeOwner = nodeOwner;
+        this.effectiveOwner = effectiveOwner;
+        this.nodeName = nodeName;
+        this.parentNode = parentNode;
+        this.nodeItem = nodeItem;
+        this.nodeType = nodeType;
+        this.lastUpdate = lastUpdate;
+        this.nodeRank = nodeRank;
+        this.replaceColor = replaceColor;
+        this.allowReplay = allowReplay;
+        this.nodeFormat = nodeFormat;
+    }
+
+    public static List<SchematicNode> getAll(SteamwarUser user) {
+        return all.listSelect(user);
+    }
+
+    public static Map<Integer, List<SchematicNode>> getAllMap(SteamwarUser user) {
+        return map(getAll(user));
+    }
+
+    public static List<SchematicNode> list(SteamwarUser user, Integer schematicId) {
+        return list.listSelect(user, schematicId, user, user, schematicId, user, schematicId, schematicId);
+    }
+
+    public static SchematicNode byParentName(SteamwarUser user, Integer schematicId, String name) {
+        return byParentName.select(user, schematicId, user, name, user, schematicId, user, schematicId, schematicId, name);
+    }
+
+    public static List<SchematicNode> accessibleByUserType(SteamwarUser user, SchematicType type) {
+        return accessibleByUserType.listSelect(user, type);
+    }
+
+    public static Map<Integer, List<SchematicNode>> accessibleByUserTypeMap(SteamwarUser user, SchematicType type) {
+        return map(accessibleByUserType(user, type));
+    }
+
+    public static boolean schematicAccessibleForUser(SteamwarUser user, Integer schematicId) {
+        return schematicAccessibleForUser.select(user, schematicId) != null;
+    }
+
+    public static List<SchematicNode> accessibleByUserTypeParent(SteamwarUser user, SchematicType type, Integer parentId) {
+        return accessibleByUserTypeInParent.listSelect(type, user, user, user, parentId);
+    }
+
+    public static SchematicNode byIdAndUser(SteamwarUser user, Integer id) {
+        return byIdAndUser.select(user, id);
+    }
+
+    public static List<SchematicNode> parentsOfNode(SteamwarUser user, Integer id) {
+        return allParentsOfNode.listSelect(id, user, user, user);
+    }
+
+    private static Map<Integer, List<SchematicNode>> map(List<SchematicNode> in) {
+        Map<Integer, List<SchematicNode>> map = new HashMap<>();
+        for (SchematicNode effectiveSchematicNode : in) {
+            map.computeIfAbsent(effectiveSchematicNode.getOptionalParent().orElse(0), k -> new ArrayList<>()).add(effectiveSchematicNode);
+        }
+        return map;
+    }
+
+    public static SchematicNode createSchematic(int owner, String name, Integer parent) {
+        return createSchematicNode(owner, name, parent, SchematicType.Normal.toDB(), "");
+    }
+
+    public static SchematicNode createSchematicDirectory(int owner, String name, Integer parent) {
+        return createSchematicNode(owner, name, parent, null, "");
+    }
+
+    public static SchematicNode createSchematicNode(int owner, String name, Integer parent, String type, String item) {
+        if (parent != null && parent == 0)
+            parent = null;
+        int nodeId = create.insertGetKey(owner, name, parent, item, type);
+        return getSchematicNode(nodeId);
+    }
+
+    public static SchematicNode getSchematicNode(int owner, String name, SchematicNode parent) {
+        return getSchematicNode(owner, name, parent.getId());
+    }
+
+    public static SchematicNode getSchematicNode(int owner, String name, Integer parent) {
+        return byOwnerNameParent.select(owner, name, parent);
+    }
+
+    public static List<SchematicNode> getSchematicNodeInNode(SchematicNode parent) {
+        return getSchematicNodeInNode(parent.getId());
+    }
+
+    public static List<SchematicNode> getSchematicNodeInNode(Integer parent) {
+        return byParent.listSelect(parent);
+    }
+
+    public static List<SchematicNode> getSchematicDirectoryInNode(Integer parent) {
+        return dirsByParent.listSelect(parent);
+    }
+
+    @Deprecated
+    public static SchematicNode getSchematicDirectory(String name, SchematicNode parent) {
+        return getSchematicNode(name, parent.getId());
+    }
+
+    @Deprecated
+    public static SchematicNode getSchematicDirectory(String name, Integer parent) {
+        return getSchematicNode(name, parent);
+    }
+
+    public static SchematicNode getSchematicNode(String name, Integer parent) {
+        return byParentName.select(name, parent);
+    }
+
+    public static SchematicNode getSchematicNode(int id) {
+        return byId.select(id);
+    }
+
+    public static List<SchematicNode> getAccessibleSchematicsOfTypeInParent(int owner, String schemType, Integer parent) {
+        return accessibleByUserTypeParent(SteamwarUser.get(owner), SchematicType.fromDB(schemType), parent);
+    }
+
+    public static List<SchematicNode> getAllAccessibleSchematicsOfType(int user, String schemType) {
+        return accessibleByUserType(SteamwarUser.get(user), SchematicType.fromDB(schemType));
+    }
+
+    public static List<SchematicNode> getAllSchematicsOfType(int owner, String schemType) {
+        return byOwnerType.listSelect(owner, schemType);
+    }
+
+    @Deprecated
+    public static List<SchematicNode> getAllSchematicsOfType(String schemType) {
+        return byType.listSelect(schemType);
+    }
+
+    public static List<SchematicNode> getAllSchematicsOfType(SchematicType schemType) {
+        return byType.listSelect(schemType);
+    }
+
+    public static List<SchematicNode> deepGet(Integer parent, Predicate<SchematicNode> filter) {
+        List<SchematicNode> finalList = new ArrayList<>();
+        List<SchematicNode> nodes = SchematicNode.getSchematicNodeInNode(parent);
+        nodes.forEach(node -> {
+            if (node.isDir()) {
+                finalList.addAll(deepGet(node.getId(), filter));
+            } else {
+                if (filter.test(node))
+                    finalList.add(node);
+            }
+        });
+        return finalList;
+    }
+
+    @Deprecated
+    public static List<SchematicNode> getSchematicsAccessibleByUser(int user, Integer parent) {
+        return list(SteamwarUser.get(user), parent);
+    }
+
+    @Deprecated
+    public static List<SchematicNode> getAllSchematicsAccessibleByUser(int user) {
+        return getAll(SteamwarUser.get(user));
+    }
+
+    public static List<SchematicNode> getAllParentsOfNode(SchematicNode node) {
+        return getAllParentsOfNode(node.getId());
+    }
+
+    public static List<SchematicNode> getAllParentsOfNode(int node) {
+        return allParentsOfNode.listSelect(node);
+    }
+
+    public static SchematicNode getNodeFromPath(SteamwarUser user, String s) {
+        if (s.startsWith("/")) {
+            s = s.substring(1);
+        }
+        if (s.endsWith("/")) {
+            s = s.substring(0, s.length() - 1);
+        }
+        if (s.isEmpty()) {
+            return null;
+        }
+        if (s.contains("/")) {
+            String[] layers = s.split("/");
+            Optional<SchematicNode> currentNode = Optional.ofNullable(SchematicNode.byParentName(user, null, layers[0]));
+            for (int i = 1; i < layers.length; i++) {
+                int finalI = i;
+                Optional<SchematicNode> node = currentNode.map(effectiveSchematicNode -> SchematicNode.byParentName(user, effectiveSchematicNode.getId(), layers[finalI]));
+                if (!node.isPresent()) {
+                    return null;
+                } else {
+                    currentNode = node;
+                    if (!currentNode.map(SchematicNode::isDir).orElse(false) && i != layers.length - 1) {
+                        return null;
+                    }
+                }
+            }
+            return currentNode.orElse(null);
+        } else {
+            return SchematicNode.byParentName(user, null, s);
+        }
+    }
+
+    public static List<SchematicNode> filterSchems(int user, Predicate<SchematicNode> filter) {
+        List<SchematicNode> finalList = new ArrayList<>();
+        List<SchematicNode> nodes = getSchematicsAccessibleByUser(user, null);
+        nodes.forEach(node -> {
+            if (node.isDir()) {
+                finalList.addAll(deepGet(node.getId(), filter));
+            } else {
+                if (filter.test(node))
+                    finalList.add(node);
+            }
+        });
+        return finalList;
+    }
+
+    public int getId() {
+        return nodeId;
+    }
+
+    public int getOwner() {
+        return nodeOwner;
+    }
+
+    public String getName() {
+        return nodeName;
+    }
+
+    public void setName(String name) {
+        this.nodeName = name;
+        updateDB();
+    }
+
+    public Integer getParent() {
+        return parentNode;
+    }
+
+    public Optional<Integer> getOptionalParent() {
+        return Optional.ofNullable(parentNode);
+    }
+
+    public void setParent(Integer parent) {
+        this.parentNode = parent;
+        updateDB();
+    }
+
+    public String getItem() {
+        if (nodeItem.isEmpty()) {
+            return isDir() ? "CHEST" : "CAULDRON_ITEM";
+        }
+        return nodeItem;
+    }
+
+    public void setItem(String item) {
+        this.nodeItem = item;
+        updateDB();
+    }
+
+    @Deprecated
+    public String getType() {
+        return nodeType.name();
+    }
+
+    @Deprecated
+    public void setType(String type) {
+        if(isDir())
+            throw new SecurityException("Node is Directory");
+        this.nodeType = SchematicType.fromDB(type);
+        updateDB();
+    }
+
+    public boolean isDir() {
+        return nodeType == null;
+    }
+
+    public boolean getSchemFormat() {
+        if(isDir())
+            throw new SecurityException("Node is Directory");
+        return nodeFormat;
+    }
+
+    public int getRank() {
+        if(isDir())
+            throw new SecurityException("Node is Directory");
+        return nodeRank;
+    }
+
+    @Deprecated
+    public int getRankUnsafe() {
+        return nodeRank;
+    }
+
+    public void setRank(int rank) {
+        if(isDir())
+            throw new SecurityException("Node is Directory");
+        this.nodeRank = rank;
+    }
+
+    public SchematicType getSchemtype() {
+        if(isDir())
+            throw new SecurityException("Is Directory");
+        return nodeType;
+    }
+
+    public void setSchemtype(SchematicType type) {
+        if(isDir())
+            throw new SecurityException("Is Directory");
+        this.nodeType = type;
+        updateDB();
+    }
+
+    public boolean replaceColor() {
+        return replaceColor;
+    }
+
+    public void setReplaceColor(boolean replaceColor) {
+        if(isDir())
+            throw new SecurityException("Is Directory");
+        this.replaceColor = replaceColor;
+        updateDB();
+    }
+
+    public boolean allowReplay() {
+        return allowReplay;
+    }
+
+    public void setAllowReplay(boolean allowReplay) {
+        if(isDir())
+            throw new SecurityException("Is Directory");
+        this.allowReplay = allowReplay;
+        updateDB();
+    }
+
+    public SchematicNode getParentNode() {
+        if(parentNode == null) return null;
+        return SchematicNode.getSchematicNode(parentNode);
+    }
+
+    public int getElo(int season) {
+        return SchemElo.getElo(this, season);
+    }
+
+    public boolean accessibleByUser(int user) {
+        return NodeMember.getNodeMember(nodeId, user) != null;
+    }
+
+    public Set<NodeMember> getMembers() {
+        return NodeMember.getNodeMembers(nodeId);
+    }
+
+    public Timestamp getLastUpdate() {
+        return lastUpdate;
+    }
+
+    private void updateDB() {
+        this.lastUpdate = Timestamp.from(Instant.now());
+        update.update(nodeName, parentNode, nodeItem, nodeType, nodeRank, replaceColor, allowReplay, nodeFormat, nodeId);
+        TAB_CACHE.clear();
+    }
+
+    public void delete() {
+        delete.update(nodeId);
+    }
+
+    @Override
+    public int hashCode() {
+        return nodeId;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (!(obj instanceof SchematicNode))
+            return false;
+
+        return ((SchematicNode) obj).getId() == nodeId;
+    }
+
+    public String generateBreadcrumbs(SteamwarUser user) {
+        return byIdAndUser(user, nodeId).generateBreadcrumbs();
+    }
+
+    public String generateBreadcrumbs(String split, SteamwarUser user) {
+        return byIdAndUser(user, nodeId).generateBreadcrumbs(split);
+    }
+
+    public String generateBreadcrumbs() {
+        if(brCache == null) {
+            brCache = generateBreadcrumbs("/");
+        }
+        return brCache;
+    }
+
+    public String generateBreadcrumbs(String split) {
+        StringBuilder builder = new StringBuilder(getName());
+        Optional<SchematicNode> currentNode = Optional.of(this);
+        if(currentNode.map(SchematicNode::isDir).orElse(false)) {
+            builder.append(split);
+        }
+        while (currentNode.isPresent()) {
+            currentNode = currentNode.flatMap(schematicNode -> Optional.ofNullable(NodeMember.getNodeMember(schematicNode.getId(), effectiveOwner)).map(NodeMember::getParent).orElse(schematicNode.getOptionalParent())).map(SchematicNode::getSchematicNode);
+            currentNode.ifPresent(node -> builder.insert(0, split).insert(0, node.getName()));
+        }
+        return builder.toString();
+    }
+
+    private static final List<String> FORBIDDEN_NAMES = Collections.unmodifiableList(Arrays.asList("public"));
+    public static boolean invalidSchemName(String[] layers) {
+        for (String layer : layers) {
+            if (layer.isEmpty()) {
+                return true;
+            }
+            if (layer.contains("/") ||
+                    layer.contains("\\") ||
+                    layer.contains("<") ||
+                    layer.contains(">") ||
+                    layer.contains("^") ||
+                    layer.contains("°") ||
+                    layer.contains("'") ||
+                    layer.contains("\"") ||
+                    layer.contains(" ")) {
+                return true;
+            }
+            if(FORBIDDEN_NAMES.contains(layer.toLowerCase())) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public static List<String> getNodeTabcomplete(SteamwarUser user, String s) {
+        boolean sws = s.startsWith("/");
+        if (sws) {
+            s = s.substring(1);
+        }
+        int index = s.lastIndexOf("/");
+        String cacheKey = index == -1 ? "" : s.substring(0, index);
+        if(TAB_CACHE.containsKey(user.getId()) && TAB_CACHE.get(user.getId()).containsKey(cacheKey)) {
+            return new ArrayList<>(TAB_CACHE.get(user.getId()).get(cacheKey));
+        }
+        List<String> list = new ArrayList<>();
+        if (s.contains("/")) {
+            String preTab = s.substring(0, s.lastIndexOf("/") + 1);
+            SchematicNode pa = SchematicNode.getNodeFromPath(user, preTab);
+            if (pa == null) return Collections.emptyList();
+            List<SchematicNode> nodes = SchematicNode.list(user, pa.getId());
+            String br = pa.generateBreadcrumbs();
+            nodes.forEach(node -> list.add((sws ? "/" : "") + br + node.getName() + (node.isDir() ? "/" : "")));
+        } else {
+            List<SchematicNode> nodes = SchematicNode.list(user, null);
+            nodes.forEach(node -> list.add((sws ? "/" : "") + node.getName() + (node.isDir() ? "/" : "")));
+        }
+        list.remove("//copy");
+        TAB_CACHE.computeIfAbsent(user.getId(), integer -> new HashMap<>()).putIfAbsent(cacheKey, list);
+        return list;
+    }
+}

src/de/steamwar/sql/SchematicType.java

@@ -0,0 +1,116 @@
+/* 
+    This file is a part of the SteamWar software.
+    
+    Copyright (C) 2020  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.SqlTypeMapper;
+
+import java.util.*;
+
+public class SchematicType {
+
+	public static final SchematicType Normal = new SchematicType("Normal", "", Type.NORMAL, null, "STONE_BUTTON");
+
+	private static final Map<String, SchematicType> fromDB;
+	private static final List<SchematicType> types;
+
+	static {
+		List<SchematicType> tmpTypes = new LinkedList<>();
+		Map<String, SchematicType> tmpFromDB = new HashMap<>();
+
+		tmpTypes.add(Normal);
+		tmpFromDB.put(Normal.name().toLowerCase(), Normal);
+
+		SQLWrapper.impl.loadSchemTypes(tmpTypes, tmpFromDB);
+
+		fromDB = Collections.unmodifiableMap(tmpFromDB);
+		types = Collections.unmodifiableList(tmpTypes);
+	}
+
+	static {
+		new SqlTypeMapper<>(SchematicType.class, "VARCHAR(16)", (rs, identifier) -> {
+			String t = rs.getString(identifier);
+			return t != null ? fromDB.get(t) : null;
+		}, (st, index, value) -> st.setString(index, value.toDB()));
+	}
+
+	private final String name;
+	private final String kuerzel;
+	private final Type type;
+	private final SchematicType checkType;
+	private final String material;
+
+	SchematicType(String name, String kuerzel, Type type, SchematicType checkType, String material){
+		this.name = name;
+		this.kuerzel = kuerzel;
+		this.type = type;
+		this.checkType = checkType;
+		this.material = material;
+	}
+
+	public boolean isAssignable(){
+		return type == Type.NORMAL || (type == Type.FIGHT_TYPE && checkType != null);
+	}
+
+	public SchematicType checkType(){
+		return checkType;
+	}
+
+	public boolean check(){
+		return type == Type.CHECK_TYPE;
+	}
+
+	public boolean fightType(){
+		return type == Type.FIGHT_TYPE;
+	}
+
+	public boolean writeable(){
+		return type == Type.NORMAL;
+	}
+
+	public String name(){
+		return name;
+	}
+
+	public String getKuerzel() {
+		return kuerzel;
+	}
+
+	public String getMaterial() {
+		return material;
+	}
+
+	public String toDB(){
+		return name.toLowerCase();
+	}
+
+	public static SchematicType fromDB(String input){
+		return fromDB.get(input.toLowerCase());
+	}
+
+	public static List<SchematicType> values(){
+		return types;
+	}
+
+	enum Type{
+		NORMAL,
+		CHECK_TYPE,
+		FIGHT_TYPE
+	}
+}

src/de/steamwar/sql/Season.java

@@ -0,0 +1,54 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import java.util.Calendar;
+
+public class Season {
+    private Season() {}
+
+    public static int getSeason() {
+        Calendar calendar = Calendar.getInstance();
+        int yearIndex = calendar.get(Calendar.MONTH) / 4;
+        return (calendar.get(Calendar.YEAR) * 3 + yearIndex);
+    }
+
+    public static String getSeasonStart() {
+        Calendar calendar = Calendar.getInstance();
+        return calendar.get(Calendar.YEAR) + "-" + (calendar.get(Calendar.MONTH) / 4 * 3 + 1) + "-1";
+    }
+
+    public static String convertSeasonToString(int season){
+        if (season == -1) return "";
+        int yearSeason = season % 3;
+        int year = (season - yearSeason) / 3;
+        return String.format("%d-%d", year, yearSeason);
+    }
+
+    public static int convertSeasonToNumber(String season){
+        if (season.isEmpty()) return -1;
+        String[] split = season.split("-");
+        try {
+            return Integer.parseInt(split[0]) * 3 + Integer.parseInt(split[1]);
+        } catch (NumberFormatException e) {
+            return -1;
+        }
+    }
+}

src/de/steamwar/sql/SteamwarUser.java

@@ -0,0 +1,171 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.*;
+import lombok.Getter;
+
+import java.util.*;
+
+public class SteamwarUser {
+
+	static {
+		new SqlTypeMapper<>(UUID.class, "CHAR(36)", (rs, identifier) -> UUID.fromString(rs.getString(identifier)), (st, index, value) -> st.setString(index, value.toString()));
+		new SqlTypeMapper<>(Locale.class, "VARCHAR(32)", (rs, identifier) -> {
+			String l = rs.getString(identifier);
+			return l != null ? Locale.forLanguageTag(l) : null;
+		}, (st, index, value) -> st.setString(index, value.toLanguageTag()));
+		SqlTypeMapper.nameEnumMapper(UserGroup.class);
+		new SqlTypeMapper<>(SteamwarUser.class, null, (rs, identifier) -> { throw new SecurityException("SteamwarUser cannot be used as type (recursive select)"); }, (st, index, value) -> st.setInt(index, value.id));
+	}
+
+	private static final Table<SteamwarUser> table = new Table<>(SteamwarUser.class, "UserData");
+	private static final Statement insert = table.insertFields("UUID", "UserName");
+	private static final SelectStatement<SteamwarUser> byID = table.selectFields("id");
+	private static final SelectStatement<SteamwarUser> byUUID = table.selectFields("UUID");
+	private static final SelectStatement<SteamwarUser> byName = table.selectFields("UserName");
+	private static final SelectStatement<SteamwarUser> byDiscord = table.selectFields("DiscordId");
+	private static final SelectStatement<SteamwarUser> byTeam = table.selectFields("Team");
+	private static final SelectStatement<SteamwarUser> getServerTeam = new SelectStatement<>(table, "SELECT * FROM UserData WHERE UserGroup != 'Member' AND UserGroup != 'YouTuber'");
+	private static final Statement updateName = table.update(Table.PRIMARY, "UserName");
+	private static final Statement updateLocale = table.update(Table.PRIMARY, "Locale", "ManualLocale");
+	private static final Statement updateTeam = table.update(Table.PRIMARY, "Team");
+	private static final Statement updateLeader = table.update(Table.PRIMARY, "Leader");
+	private static final Statement updateDiscord = table.update(Table.PRIMARY, "DiscordId");
+
+	private static final Map<Integer, SteamwarUser> usersById = new HashMap<>();
+	private static final Map<UUID, SteamwarUser> usersByUUID = new HashMap<>();
+	private static final Map<String, SteamwarUser> usersByName = new HashMap<>();
+	private static final Map<Long, SteamwarUser> usersByDiscord = new HashMap<>();
+	public static void clear() {
+		usersById.clear();
+		usersByName.clear();
+		usersByUUID.clear();
+		usersByDiscord.clear();
+	}
+
+	public static void invalidate(int userId) {
+		SteamwarUser user = usersById.remove(userId);
+		if (user == null)
+			return;
+		usersByName.remove(user.getUserName());
+		usersByUUID.remove(user.getUUID());
+	}
+
+	@Getter
+	@Field(keys = {Table.PRIMARY}, autoincrement = true)
+	private final int id;
+	@Field(keys = {"uuid"})
+	private final UUID uuid;
+	@Getter
+	@Field
+	private String userName;
+	@Getter
+	@Field(def = "'Member'")
+	private final UserGroup userGroup;
+	@Getter
+	@Field(def = "0")
+	private int team;
+	@Field(def = "0")
+	private boolean leader;
+	@Field(nullable = true)
+	private Locale locale;
+	@Field(def = "0")
+	private boolean manualLocale;
+	@Field(keys = {"discordId"}, nullable = true)
+	private Long discordId;
+
+	public SteamwarUser(int id, UUID uuid, String userName, UserGroup userGroup, int team, boolean leader, Locale locale, boolean manualLocale, Long discordId) {
+		this.id = id;
+		this.uuid = uuid;
+		this.userName = userName;
+		this.userGroup = userGroup;
+		this.team = team;
+		this.leader = leader;
+		this.locale = locale;
+		this.manualLocale = manualLocale;
+		this.discordId = discordId != null && discordId != 0 ? discordId : null;
+
+		usersById.put(id, this);
+		usersByName.put(userName.toLowerCase(), this);
+		usersByUUID.put(uuid, this);
+		if (this.discordId != null) {
+			usersByDiscord.put(discordId, this);
+		}
+	}
+
+	public UUID getUUID() {
+		return uuid;
+	}
+
+	public Locale getLocale() {
+		if(locale != null)
+			return locale;
+		return Locale.getDefault();
+	}
+
+	public void setLocale(Locale locale, boolean manualLocale) {
+		if (locale == null || (this.manualLocale && !manualLocale))
+			return;
+
+		this.locale = locale;
+		this.manualLocale = manualLocale;
+		updateLocale.update(locale.toLanguageTag(), manualLocale, id);
+	}
+
+	public static SteamwarUser get(String userName){
+		SteamwarUser user = usersByName.get(userName.toLowerCase());
+		if(user != null)
+			return user;
+		return byName.select(userName);
+	}
+
+	public static SteamwarUser get(UUID uuid){
+		SteamwarUser user = usersByUUID.get(uuid);
+		if(user != null)
+			return user;
+		return byUUID.select(uuid);
+	}
+
+	public static SteamwarUser get(int id) {
+		SteamwarUser user = usersById.get(id);
+		if(user != null)
+			return user;
+		return byID.select(id);
+	}
+
+	public static SteamwarUser get(Long discordId) {
+		if(usersByDiscord.containsKey(discordId))
+			return usersByDiscord.get(discordId);
+		return byDiscord.select(discordId);
+	}
+
+	public static void createOrUpdateUsername(UUID uuid, String userName) {
+		insert.update(uuid, userName);
+	}
+
+	public static List<SteamwarUser> getServerTeam() {
+		return getServerTeam.listSelect();
+	}
+
+	public static List<SteamwarUser> getTeam(int teamId) {
+		return byTeam.listSelect(teamId);
+	}
+}

src/de/steamwar/sql/Team.java

@@ -0,0 +1,61 @@
+/* 
+    This file is a part of the SteamWar software.
+    
+    Copyright (C) 2020  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.SelectStatement;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@AllArgsConstructor
+public class Team {
+
+    private static final Table<Team> table = new Table<>(Team.class);
+    private static final SelectStatement<Team> select = table.select(Table.PRIMARY);
+
+    @Field(keys = {Table.PRIMARY})
+    @Getter
+    private final int teamId;
+    @Field
+    @Getter
+    private final String teamKuerzel;
+    @Field
+    @Getter
+    private final String teamName;
+    @Field(def = "'8'")
+    @Getter
+    private final String teamColor;
+
+    private static final Team pub = new Team(0, "PUB", "Öffentlich", "8");
+
+    public static Team get(int id) {
+        if(id == 0)
+            return pub;
+        return select.select(id);
+    }
+
+    public List<Integer> getMembers(){
+        return SteamwarUser.getTeam(teamId).stream().map(SteamwarUser::getId).collect(Collectors.toList());
+    }
+}

src/de/steamwar/sql/TeamTeilnahme.java

@@ -0,0 +1,54 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.SelectStatement;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+
+import java.util.Set;
+import java.util.stream.Collectors;
+
+@AllArgsConstructor
+public class TeamTeilnahme {
+
+    private static final Table<TeamTeilnahme> table = new Table<>(TeamTeilnahme.class);
+    private static final SelectStatement<TeamTeilnahme> select = table.select(Table.PRIMARY);
+    private static final SelectStatement<TeamTeilnahme> selectTeams = table.selectFields("EventID");
+    private static final SelectStatement<TeamTeilnahme> selectEvents = table.selectFields("TeamID");
+
+    @Field(keys = {Table.PRIMARY})
+    private final int teamId;
+    @Field(keys = {Table.PRIMARY})
+    private final int eventId;
+
+    public static boolean nimmtTeil(int teamID, int eventID){
+        return select.select(teamID, eventID) != null;
+    }
+
+    public static Set<Team> getTeams(int eventID){
+        return selectTeams.listSelect(eventID).stream().map(tt -> Team.get(tt.teamId)).collect(Collectors.toSet()); // suboptimal performance (O(n) database queries)
+    }
+
+    public static Set<Event> getEvents(int teamID){
+        return selectEvents.listSelect(teamID).stream().map(tt -> Event.get(tt.eventId)).collect(Collectors.toSet()); // suboptimal performance (O(n) database queries)
+    }
+}

src/de/steamwar/sql/UserConfig.java

@@ -0,0 +1,73 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.SelectStatement;
+import de.steamwar.sql.internal.Statement;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+
+import java.util.UUID;
+
+@AllArgsConstructor
+public class UserConfig {
+
+    private static final Table<UserConfig> table = new Table<>(UserConfig.class);
+    private static final SelectStatement<UserConfig> select = table.select(Table.PRIMARY);
+    private static final Statement insert = table.insertAll();
+    private static final Statement delete = table.delete(Table.PRIMARY);
+
+    @Field(keys = {Table.PRIMARY})
+    private final int user;
+    @Field(keys = {Table.PRIMARY})
+    private final String config;
+    @Field
+    private final String value;
+
+    public static String getConfig(UUID player, String config) {
+        return getConfig(SteamwarUser.get(player).getId(), config);
+    }
+
+    public static String getConfig(int player, String config) {
+        UserConfig value = select.select(player, config);
+        return value != null ? value.value : null;
+    }
+
+    public static void updatePlayerConfig(UUID uuid, String config, String value) {
+        updatePlayerConfig(SteamwarUser.get(uuid).getId(), config, value);
+    }
+
+    public static void updatePlayerConfig(int id, String config, String value) {
+        if (value == null) {
+            removePlayerConfig(id, config);
+            return;
+        }
+        insert.update(id, config, value);
+    }
+
+    public static void removePlayerConfig(UUID uuid, String config) {
+        removePlayerConfig(SteamwarUser.get(uuid).getId(), config);
+    }
+
+    public static void removePlayerConfig(int id, String config) {
+        delete.update(id, config);
+    }
+}

src/de/steamwar/sql/UserGroup.java

@@ -0,0 +1,45 @@
+/* 
+    This file is a part of the SteamWar software.
+    
+    Copyright (C) 2020  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package de.steamwar.sql;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@AllArgsConstructor
+public enum UserGroup {
+	Admin("§4", "§e", true, true, true),
+	Developer("§3", "§f", true, true, true),
+	Moderator("§c", "§f", true, true, true),
+	Supporter("§9", "§f", false, true, true),
+	Builder("§2", "§f", false, true, false),
+	YouTuber("§5", "§f", false, false, false),
+	Member("§7", "§7", false, false, false);
+
+	@Getter
+	private final String colorCode;
+	@Getter
+	private final String chatColorCode;
+	@Getter
+	private final boolean adminGroup;
+	@Getter
+	private final boolean teamGroup;
+	@Getter
+	private final boolean checkSchematics;
+}

src/de/steamwar/sql/internal/Field.java

@@ -0,0 +1,34 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql.internal;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target(ElementType.FIELD)
+@Retention(RetentionPolicy.RUNTIME)
+public @interface Field {
+    String[] keys() default {};
+    String def() default "";
+    boolean nullable() default false;
+    boolean autoincrement() default false;
+}

src/de/steamwar/sql/internal/SQLConfig.java

@@ -0,0 +1,34 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql.internal;
+
+import de.steamwar.ImplementationProvider;
+
+import java.util.logging.Logger;
+
+public interface SQLConfig {
+    SQLConfig impl = ImplementationProvider.getImpl("de.steamwar.sql.SQLConfigImpl");
+
+    Logger getLogger();
+
+    int maxConnections();
+
+
+}

src/de/steamwar/sql/internal/SelectStatement.java

@@ -0,0 +1,72 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql.internal;
+
+import java.lang.reflect.InvocationTargetException;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class SelectStatement<T> extends Statement {
+    private final Table<T> table;
+
+    SelectStatement(Table<T> table, String... kfields) {
+        this(table, "SELECT " + Arrays.stream(table.fields).map(f -> f.identifier).collect(Collectors.joining(", ")) + " FROM " + table.name + " WHERE " + Arrays.stream(kfields).map(f -> f + " = ?").collect(Collectors.joining(" AND ")));
+    }
+
+    public SelectStatement(Table<T> table, String sql) {
+        super(sql);
+        this.table = table;
+    }
+
+    public T select(Object... values) {
+        return select(rs -> {
+            if (rs.next())
+                return read(rs);
+            return null;
+        }, values);
+    }
+
+    public List<T> listSelect(Object... values) {
+        return select(rs -> {
+            List<T> result = new ArrayList<>();
+            while (rs.next())
+                result.add(read(rs));
+
+            return result;
+        }, values);
+    }
+
+    private T read(ResultSet rs) throws SQLException {
+        Object[] params = new Object[table.fields.length];
+        for(int i = 0; i < params.length; i++) {
+            params[i] = table.fields[i].read(rs);
+        }
+
+        try {
+            return table.constructor.newInstance(params);
+        } catch (InstantiationException | IllegalAccessException | InvocationTargetException e) {
+            throw new SecurityException(e);
+        }
+    }
+}

src/de/steamwar/sql/internal/SqlTypeMapper.java

@@ -0,0 +1,110 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql.internal;
+
+import java.io.InputStream;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Timestamp;
+import java.util.Arrays;
+import java.util.IdentityHashMap;
+import java.util.Map;
+
+public final class SqlTypeMapper<T> {
+    private static final Map<Class<?>, SqlTypeMapper<?>> mappers = new IdentityHashMap<>();
+
+    public static <T> SqlTypeMapper<T> getMapper(Class<?> clazz) {
+        return (SqlTypeMapper<T>) mappers.get(clazz);
+    }
+
+    public static <T extends Enum<T>> void ordinalEnumMapper(Class<T> type) {
+        T[] enumConstants = type.getEnumConstants();
+        new SqlTypeMapper<>(
+                type,
+                "INTEGER(" + (int)Math.ceil(enumConstants.length/256.0) + ")",
+                (rs, identifier) -> enumConstants[rs.getInt(identifier)],
+                (st, index, value) -> st.setInt(index, value.ordinal())
+        );
+    }
+
+    public static <T extends Enum<T>> void nameEnumMapper(Class<T> type) {
+        new SqlTypeMapper<>(
+                type,
+                "VARCHAR(" + Arrays.stream(type.getEnumConstants()).map(e -> e.name().length()).max(Integer::compareTo).orElse(0) + ")",
+                (rs, identifier) -> Enum.valueOf(type, rs.getString(identifier)),
+                (st, index, value) -> st.setString(index, value.name())
+        );
+    }
+
+    static {
+        primitiveMapper(boolean.class, Boolean.class, "BOOLEAN", ResultSet::getBoolean, PreparedStatement::setBoolean);
+        primitiveMapper(byte.class, Byte.class, "INTEGER(1)", ResultSet::getByte, PreparedStatement::setByte);
+        primitiveMapper(short.class, Short.class, "INTEGER(2)", ResultSet::getShort, PreparedStatement::setShort);
+        primitiveMapper(int.class, Integer.class, "INTEGER", ResultSet::getInt, PreparedStatement::setInt);
+        primitiveMapper(long.class, Long.class, "INTEGER(8)", ResultSet::getLong, PreparedStatement::setLong);
+        primitiveMapper(float.class, Float.class, "REAL", ResultSet::getFloat, PreparedStatement::setFloat);
+        primitiveMapper(double.class, Double.class, "REAL", ResultSet::getDouble, PreparedStatement::setDouble);
+        new SqlTypeMapper<>(String.class, "TEXT", ResultSet::getString, PreparedStatement::setString);
+        new SqlTypeMapper<>(Timestamp.class, "TIMESTAMP", ResultSet::getTimestamp, PreparedStatement::setTimestamp);
+        new SqlTypeMapper<>(InputStream.class, "BLOB", ResultSet::getBinaryStream, PreparedStatement::setBinaryStream);
+    }
+
+    private static <T> void primitiveMapper(Class<T> primitive, Class<T> wrapped, String sqlType, SQLReader<T> reader, SQLWriter<T> writer) {
+        new SqlTypeMapper<>(primitive, sqlType, reader, writer);
+        new SqlTypeMapper<>(wrapped, sqlType, (rs, identifier) -> {
+            T value = reader.read(rs, identifier);
+            return rs.wasNull() ? null : value;
+        }, writer);
+    }
+
+    private final String sqlType;
+    private final SQLReader<T> reader;
+    private final SQLWriter<T> writer;
+
+    public SqlTypeMapper(Class<T> clazz, String sqlType, SQLReader<T> reader, SQLWriter<T> writer) {
+        this.sqlType = sqlType;
+        this.reader = reader;
+        this.writer = writer;
+        mappers.put(clazz, this);
+    }
+
+    public T read(ResultSet rs, String identifier) throws SQLException {
+        return reader.read(rs, identifier);
+    }
+
+    public void write(PreparedStatement st, int index, Object value) throws SQLException {
+        writer.write(st, index, (T) value);
+    }
+
+    public String sqlType() {
+        return sqlType;
+    }
+
+    @FunctionalInterface
+    public interface SQLReader<T> {
+        T read(ResultSet rs, String identifier) throws SQLException;
+    }
+
+    @FunctionalInterface
+    public interface SQLWriter<T> {
+        void write(PreparedStatement st, int index, T value) throws SQLException;
+    }
+}

src/de/steamwar/sql/internal/Statement.java

@@ -0,0 +1,294 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql.internal;
+
+import java.io.File;
+import java.io.FileReader;
+import java.io.IOException;
+import java.sql.*;
+import java.util.*;
+import java.util.function.Consumer;
+import java.util.function.Supplier;
+import java.util.function.UnaryOperator;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public class Statement implements AutoCloseable {
+
+    private static final Logger logger = SQLConfig.impl.getLogger();
+
+    private static final List<Statement> statements = new ArrayList<>();
+    private static final Deque<Connection> connections = new ArrayDeque<>();
+    private static final int MAX_CONNECTIONS;
+    private static final Supplier<Connection> conProvider;
+    static final Consumer<Table<?>> schemaCreator;
+    static final String ON_DUPLICATE_KEY;
+    static final UnaryOperator<String> upsertWrapper;
+    public static final String NULL_SAFE_EQUALS;
+
+    private static final boolean MYSQL_MODE;
+    private static final boolean PRODUCTION_DATABASE;
+
+    static {
+        File file = new File(System.getProperty("user.home"), "mysql.properties");
+        MYSQL_MODE = file.exists();
+
+        if(MYSQL_MODE) {
+            Properties properties = new Properties();
+            try {
+                properties.load(new FileReader(file));
+            } catch (IOException e) {
+                throw new SecurityException("Could not load SQL connection", e);
+            }
+
+            String url = "jdbc:mysql://" + properties.getProperty("host") + ":" + properties.getProperty("port") + "/" + properties.getProperty("database") + "?useServerPrepStmts=true";
+            String user = properties.getProperty("user");
+            String password = properties.getProperty("password");
+
+            PRODUCTION_DATABASE = "core".equals(properties.getProperty("database"));
+            MAX_CONNECTIONS = SQLConfig.impl.maxConnections();
+            conProvider = () -> {
+                try {
+                    return DriverManager.getConnection(url, user, password);
+                } catch (SQLException e) {
+                    throw new SecurityException("Could not create MySQL connection", e);
+                }
+            };
+            schemaCreator = table -> {};
+            ON_DUPLICATE_KEY = " ON DUPLICATE KEY UPDATE ";
+            upsertWrapper = f -> f + " = VALUES(" + f + ")";
+            NULL_SAFE_EQUALS = " <=> ";
+        } else {
+            Connection connection;
+
+            try {
+                Class.forName("org.sqlite.JDBC");
+                connection = DriverManager.getConnection("jdbc:sqlite:" + System.getProperty("user.home") + "/standalone.db");
+            } catch (SQLException | ClassNotFoundException e) {
+                throw new SecurityException("Could not create sqlite connection", e);
+            }
+
+            PRODUCTION_DATABASE = false;
+            MAX_CONNECTIONS = 1;
+            conProvider = () -> connection;
+            schemaCreator = Table::ensureExistanceInSqlite;
+            ON_DUPLICATE_KEY = " ON CONFLICT DO UPDATE SET ";
+            upsertWrapper = f -> f + " = " + f;
+            NULL_SAFE_EQUALS = " IS ";
+        }
+    }
+
+    private static int connectionBudget = MAX_CONNECTIONS;
+
+    public static void closeAll() {
+        synchronized (connections) {
+            while(connectionBudget < MAX_CONNECTIONS) {
+                if(connections.isEmpty())
+                    waitOnConnections();
+                else
+                    closeConnection(aquireConnection());
+            }
+        }
+    }
+
+    public static boolean mysqlMode() {
+        return MYSQL_MODE;
+    }
+
+    public static boolean productionDatabase() {
+        return PRODUCTION_DATABASE;
+    }
+
+    private final boolean returnGeneratedKeys;
+    private final String sql;
+    private final Map<Connection, PreparedStatement> cachedStatements = new HashMap<>();
+
+    public Statement(String sql) {
+        this(sql, false);
+    }
+
+    public Statement(String sql, boolean returnGeneratedKeys) {
+        this.sql = sql;
+        this.returnGeneratedKeys = returnGeneratedKeys;
+        synchronized (statements) {
+            statements.add(this);
+        }
+    }
+
+    public <T> T select(ResultSetUser<T> user, Object... objects) {
+        return withConnection(st -> {
+            ResultSet rs = st.executeQuery();
+            T result = user.use(rs);
+            rs.close();
+            return result;
+        }, objects);
+    }
+
+    public void update(Object... objects) {
+        withConnection(PreparedStatement::executeUpdate, objects);
+    }
+
+    public int insertGetKey(Object... objects) {
+        return withConnection(st -> {
+            st.executeUpdate();
+            ResultSet rs = st.getGeneratedKeys();
+            rs.next();
+            return rs.getInt(1);
+        }, objects);
+    }
+
+    public String getSql() {
+        return sql;
+    }
+
+    private <T> T withConnection(SQLRunnable<T> runnable, Object... objects) {
+        Connection connection = aquireConnection();
+        T result;
+
+        try {
+            result = tryWithConnection(connection, runnable, objects);
+        } catch (Throwable e) {
+            if(connectionInvalid(connection)) {
+                closeConnection(connection);
+
+                return withConnection(runnable, objects);
+            } else {
+                synchronized (connections) {
+                    connections.push(connection);
+                    connections.notify();
+                }
+
+                throw new SecurityException("Failing sql statement", e);
+            }
+        }
+
+        synchronized (connections) {
+            connections.push(connection);
+            connections.notify();
+        }
+
+        return result;
+    }
+
+    private boolean connectionInvalid(Connection connection) {
+        try {
+            return connection.isClosed() || !connection.isValid(1);
+        } catch (SQLException e) {
+            logger.log(Level.INFO, "Could not check SQL connection status", e); // No database logging possible at this state
+            return true;
+        }
+    }
+
+    private <T> T tryWithConnection(Connection connection, SQLRunnable<T> runnable, Object... objects) throws SQLException {
+        PreparedStatement st = cachedStatements.get(connection);
+        if(st == null) {
+            if(returnGeneratedKeys)
+                st = connection.prepareStatement(sql, java.sql.Statement.RETURN_GENERATED_KEYS);
+            else
+                st = connection.prepareStatement(sql);
+            cachedStatements.put(connection, st);
+        }
+
+        for (int i = 0; i < objects.length; i++) {
+            Object o = objects[i];
+            if(o != null)
+                SqlTypeMapper.getMapper(o.getClass()).write(st, i+1, o);
+            else
+                st.setNull(i+1, Types.NULL);
+        }
+
+        return runnable.run(st);
+    }
+
+    @Override
+    public void close() {
+        cachedStatements.values().forEach(st -> closeStatement(st, false));
+        cachedStatements.clear();
+        synchronized (statements) {
+            statements.remove(this);
+        }
+    }
+
+    private void close(Connection connection) {
+        PreparedStatement st = cachedStatements.remove(connection);
+        if(st != null)
+            closeStatement(st, true);
+    }
+
+    private static Connection aquireConnection() {
+        synchronized (connections) {
+            while(connections.isEmpty() && connectionBudget == 0)
+                waitOnConnections();
+
+            if(!connections.isEmpty()) {
+                return connections.pop();
+            } else {
+                Connection connection = conProvider.get();
+                connectionBudget--;
+                return connection;
+            }
+        }
+    }
+
+    private static void closeConnection(Connection connection) {
+        synchronized (statements) {
+            for (Statement statement : statements) {
+                statement.close(connection);
+            }
+        }
+        try {
+            connection.close();
+        } catch (SQLException e) {
+            logger.log(Level.INFO, "Could not close connection", e);
+        }
+
+        synchronized (connections) {
+            connectionBudget++;
+            connections.notify();
+        }
+    }
+
+    private static void waitOnConnections() {
+        synchronized (connections) {
+            try {
+                connections.wait();
+            } catch (InterruptedException e) {
+                Thread.currentThread().interrupt();
+            }
+        }
+    }
+
+    private static void closeStatement(PreparedStatement st, boolean silent) {
+        try {
+            st.close();
+        } catch (SQLException e) {
+            if(!silent)
+                logger.log(Level.INFO, "Could not close statement", e);
+        }
+    }
+
+    public interface ResultSetUser<T> {
+        T use(ResultSet rs) throws SQLException;
+    }
+
+    private interface SQLRunnable<T> {
+        T run(PreparedStatement st) throws SQLException;
+    }
+}

src/de/steamwar/sql/internal/Table.java

@@ -0,0 +1,137 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql.internal;
+
+import java.lang.reflect.Constructor;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.*;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+public class Table<T> {
+    public static final String PRIMARY = "primary";
+
+    final String name;
+    final TableField<?>[] fields;
+    private final Map<String, TableField<?>> fieldsByIdentifier = new HashMap<>();
+    final Constructor<T> constructor;
+
+    private final Map<String, Table.TableField<?>[]> keys;
+
+
+    public Table(Class<T> clazz) {
+        this(clazz, clazz.getSimpleName());
+    }
+
+    public Table(Class<T> clazz, String name) {
+        this.name = name;
+        this.fields = Arrays.stream(clazz.getDeclaredFields()).filter(field -> field.isAnnotationPresent(Field.class)).map(TableField::new).toArray(TableField[]::new);
+        try {
+            this.constructor = clazz.getDeclaredConstructor(Arrays.stream(clazz.getDeclaredFields()).filter(field -> field.isAnnotationPresent(Field.class)).map(java.lang.reflect.Field::getType).toArray(Class[]::new));
+        } catch (NoSuchMethodException e) {
+            throw new SecurityException(e);
+        }
+
+        keys = Arrays.stream(fields).flatMap(field -> Arrays.stream(field.field.keys())).distinct().collect(Collectors.toMap(Function.identity(), key -> Arrays.stream(fields).filter(field -> Arrays.asList(field.field.keys()).contains(key)).toArray(TableField[]::new)));
+
+        for (TableField<?> field : fields) {
+            fieldsByIdentifier.put(field.identifier.toLowerCase(), field);
+        }
+
+        Statement.schemaCreator.accept(this);
+    }
+
+    public SelectStatement<T> select(String name) {
+        return selectFields(keyFields(name));
+    }
+    public SelectStatement<T> selectFields(String... kfields) {
+        return new SelectStatement<>(this, kfields);
+    }
+
+    public Statement update(String name, String... fields) {
+        return updateFields(fields, keyFields(name));
+    }
+
+    public Statement updateField(String field, String... kfields) {
+        return updateFields(new String[]{field}, kfields);
+    }
+
+    public Statement updateFields(String[] fields, String... kfields) {
+        return new Statement("UPDATE " + name + " SET " + Arrays.stream(fields).map(f -> f + " = ?").collect(Collectors.joining(", ")) + " WHERE " + Arrays.stream(kfields).map(f -> f + " = ?").collect(Collectors.joining(" AND ")));
+    }
+
+    public Statement insert(String name) {
+        return insertFields(keyFields(name));
+    }
+
+    public Statement insertAll() {
+        return insertFields(false, Arrays.stream(fields).map(f -> f.identifier).toArray(String[]::new));
+    }
+
+    public Statement insertFields(String... fields) {
+        return insertFields(false, fields);
+    }
+
+    public Statement insertFields(boolean returnGeneratedKeys, String... fields) {
+        List<String> nonKeyFields = Arrays.stream(fields).filter(f -> fieldsByIdentifier.get(f.toLowerCase()).field.keys().length == 0).collect(Collectors.toList());
+        return new Statement("INSERT INTO " + name + " (" + String.join(", ", fields) + ") VALUES (" + Arrays.stream(fields).map(f -> "?").collect(Collectors.joining(", ")) + ")" + (nonKeyFields.isEmpty() ? "" : Statement.ON_DUPLICATE_KEY + nonKeyFields.stream().map(Statement.upsertWrapper).collect(Collectors.joining(", "))), returnGeneratedKeys);
+    }
+
+    public Statement delete(String name) {
+        return deleteFields(keyFields(name));
+    }
+
+    public Statement deleteFields(String... kfields) {
+        return new Statement("DELETE FROM " + name + " WHERE " + Arrays.stream(kfields).map(f -> f + " = ?").collect(Collectors.joining(" AND ")));
+    }
+
+    void ensureExistanceInSqlite() {
+        try (Statement statement = new Statement(
+                "CREATE TABLE IF NOT EXISTS " + name + "(" +
+                        Arrays.stream(fields).map(field -> field.identifier + " " + field.mapper.sqlType() + (field.field.nullable() ? " DEFAULT NULL" : " NOT NULL") + (field.field.nullable() || field.field.def().equals("") ? "" : " DEFAULT " + field.field.def())).collect(Collectors.joining(", ")) +
+                        keys.entrySet().stream().map(key -> (key.getKey().equals(PRIMARY) ? ", PRIMARY KEY(" : ", UNIQUE (") + Arrays.stream(key.getValue()).map(field -> field.identifier).collect(Collectors.joining(", ")) + ")").collect(Collectors.joining(" ")) +
+                ")")) {
+            statement.update();
+        }
+    }
+
+    private String[] keyFields(String name) {
+        return Arrays.stream(keys.get(name)).map(f -> f.identifier).toArray(String[]::new);
+    }
+
+    static class TableField<T> {
+
+        final String identifier;
+
+        final SqlTypeMapper<T> mapper;
+        private final Field field;
+
+        private TableField(java.lang.reflect.Field field) {
+            this.identifier = field.getName();
+            this.mapper = SqlTypeMapper.getMapper(field.getType());
+            this.field = field.getAnnotation(Field.class);
+        }
+
+        T read(ResultSet rs) throws SQLException {
+            return mapper.read(rs, identifier);
+        }
+    }
+}

steamwarci.yml

@@ -1,5 +1,6 @@
-build:
+setup:
   - "ln -s /home/gitea/lib"
-  - "cp ~/gradle.properties ."
-  - "chmod u+x build.gradle"
+
+build:
   - "./gradlew buildProject"
+  - "./gradlew --stop"

testsrc/de/steamwar/command/ArgumentCommand.java

@@ -57,4 +57,18 @@ public class ArgumentCommand extends TestSWCommand {
     public void argument(String sender, String arg) {
         throw new ExecutionIdentifier("RunArgument with String");
     }
+
+    @Register
+    public void minLengthArgument(String sender, @Length(min = 3) @StaticValue({"he", "hello"}) String arg) {
+        throw new ExecutionIdentifier("RunLengthArgument with String");
+    }
+
+    @Register
+    public void minAndMaxLengthArgument(String sender, @Length(min = 3, max = 3) @StaticValue({"wo", "world"}) String arg) {
+        throw new ExecutionIdentifier("RunLengthArgument with String");
+    }
+
+    public void arrayLengthArgument(String sender, @ArrayLength(max = 3) @StaticValue({"one", "two", "three"}) String... args) {
+        throw new ExecutionIdentifier("RunArrayLengthArgument with String");
+    }
 }

testsrc/de/steamwar/command/ArgumentCommandTest.java

@@ -44,6 +44,7 @@ public class ArgumentCommandTest {
         ArgumentCommand cmd = new ArgumentCommand();
         try {
             cmd.execute("test", "", new String[]{"true", "false"});
+            assert false;
         } catch (Exception e) {
             assertCMDFramework(e, ExecutionIdentifier.class, "RunArgument with Boolean");
         }
@@ -54,6 +55,7 @@ public class ArgumentCommandTest {
         ArgumentCommand cmd = new ArgumentCommand();
         try {
             cmd.execute("test", "", new String[]{"0.0", "0.0", "0.0"});
+            assert false;
         } catch (Exception e) {
             assertCMDFramework(e, ExecutionIdentifier.class, "RunArgument with Float");
         }
@@ -64,6 +66,7 @@ public class ArgumentCommandTest {
         ArgumentCommand cmd = new ArgumentCommand();
         try {
             cmd.execute("test", "", new String[]{"0.0", "0.0", "0.0", "0.0"});
+            assert false;
         } catch (Exception e) {
             assertCMDFramework(e, ExecutionIdentifier.class, "RunArgument with Double");
         }
@@ -74,6 +77,7 @@ public class ArgumentCommandTest {
         ArgumentCommand cmd = new ArgumentCommand();
         try {
             cmd.execute("test", "", new String[]{"0"});
+            assert false;
         } catch (Exception e) {
             assertCMDFramework(e, ExecutionIdentifier.class, "RunArgument with Integer");
         }
@@ -84,26 +88,17 @@ public class ArgumentCommandTest {
         ArgumentCommand cmd = new ArgumentCommand();
         try {
             cmd.execute("test", "", new String[]{"0", "0"});
+            assert false;
         } catch (Exception e) {
             assertCMDFramework(e, ExecutionIdentifier.class, "RunArgument with Long");
         }
     }
 
-    @Test
-    public void testString() {
-        ArgumentCommand cmd = new ArgumentCommand();
-        try {
-            cmd.execute("test", "", new String[]{"Hello World"});
-        } catch (Exception e) {
-            assertCMDFramework(e, ExecutionIdentifier.class, "RunArgument with String");
-        }
-    }
-
     @Test
     public void testTabComplete() {
         ArgumentCommand cmd = new ArgumentCommand();
         List<String> strings = cmd.tabComplete("test", "", new String[]{""});
-        assertTabCompletes(strings, "true", "false");
+        assertTabCompletes(strings, "true", "false", "hello", "wor");
     }
 
     @Test
@@ -111,5 +106,23 @@ public class ArgumentCommandTest {
         ArgumentCommand cmd = new ArgumentCommand();
         List<String> strings = cmd.tabComplete("test", "", new String[]{"t"});
         assertTabCompletes(strings, "true", "t");
+
+        strings = cmd.tabComplete("test", "", new String[]{"h"});
+        assertTabCompletes(strings, "h", "hello");
+
+        strings = cmd.tabComplete("test", "", new String[]{"hel"});
+        assertTabCompletes(strings, "hel", "hello");
+
+        strings = cmd.tabComplete("test", "", new String[]{"w"});
+        assertTabCompletes(strings, "w", "wor");
+
+        strings = cmd.tabComplete("test", "", new String[]{"wor"});
+        assertTabCompletes(strings, "wor");
+
+        strings = cmd.tabComplete("test", "", new String[]{"worl"});
+        assertTabCompletes(strings, "wor", "worl");
+
+        strings = cmd.tabComplete("test", "", new String[]{"one", "two", "three", "one"});
+        assertTabCompletes(strings);
     }
 }

testsrc/de/steamwar/command/BetterExceptionCommand.java

@@ -39,17 +39,18 @@ public class BetterExceptionCommand extends TestSWCommand {
     public TestTypeMapper<String> tabCompleteException() {
         return new TestTypeMapper<String>() {
             @Override
-            public String map(String sender, String[] previousArguments, String s) {
+            public String map(String sender, PreviousArguments previousArguments, String s) {
                 return null;
             }
 
             @Override
             public boolean validate(String sender, String value, MessageSender messageSender) {
+                System.out.println("Validate: " + value);
                 throw new SecurityException();
             }
 
             @Override
-            public Collection<String> tabCompletes(String sender, String[] previousArguments, String s) {
+            public Collection<String> tabCompletes(String sender, PreviousArguments previousArguments, String s) {
                 throw new SecurityException();
             }
         };

testsrc/de/steamwar/command/CacheCommand.java

@@ -41,15 +41,14 @@ public class CacheCommand extends TestSWCommand {
     @Cached
     @Mapper(value = "int", local = true)
     public AbstractTypeMapper<String, Integer> typeMapper() {
-        System.out.println("TypeMapper register");
         return new TestTypeMapper<Integer>() {
             @Override
-            public Integer map(String sender, String[] previousArguments, String s) {
+            public Integer map(String sender, PreviousArguments previousArguments, String s) {
                 return Integer.parseInt(s);
             }
 
             @Override
-            public Collection<String> tabCompletes(String sender, String[] previousArguments, String s) {
+            public Collection<String> tabCompletes(String sender, PreviousArguments previousArguments, String s) {
                 return Arrays.asList(count.getAndIncrement() + "");
             }
         };

testsrc/de/steamwar/command/CacheCommandTest.java

@@ -36,6 +36,14 @@ public class CacheCommandTest {
         assertThat(tabCompletions1, is(equalTo(tabCompletions2)));
     }
 
+    @Test
+    public void testCachingWithDifferentMessages() {
+        CacheCommand cmd = new CacheCommand();
+        List<String> tabCompletions1 = cmd.tabComplete("test", "", new String[]{""});
+        List<String> tabCompletions2 = cmd.tabComplete("test", "", new String[]{"0"});
+        assertThat(tabCompletions1, is(equalTo(tabCompletions2)));
+    }
+
     @Test
     public void testCachingWithDifferentSenders() {
         CacheCommand cmd = new CacheCommand();

testsrc/de/steamwar/command/NullMapperCommand.java

@@ -43,7 +43,7 @@ public class NullMapperCommand extends TestSWCommand {
     public TestTypeMapper<String> typeMapper() {
         return new TestTypeMapper<String>() {
             @Override
-            public String map(String sender, String[] previousArguments, String s) {
+            public String map(String sender, PreviousArguments previousArguments, String s) {
                 if (s.equals("Hello World")) {
                     return null;
                 }
@@ -51,7 +51,7 @@ public class NullMapperCommand extends TestSWCommand {
             }
 
             @Override
-            public Collection<String> tabCompletes(String sender, String[] previousArguments, String s) {
+            public Collection<String> tabCompletes(String sender, PreviousArguments previousArguments, String s) {
                 return null;
             }
         };

testsrc/de/steamwar/command/NumberValidatorCommand.java

@@ -1,7 +1,7 @@
 /*
  * This file is a part of the SteamWar software.
  *
- * Copyright (C) 2020  SteamWar.de-Serverteam
+ * Copyright (C) 2022  SteamWar.de-Serverteam
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as published by
@@ -19,7 +19,17 @@
 
 package de.steamwar.command;
 
-class CommandNoHelpException extends RuntimeException {
-    
-    CommandNoHelpException() {}
+import de.steamwar.command.dto.ExecutionIdentifier;
+import de.steamwar.command.dto.TestSWCommand;
+
+public class NumberValidatorCommand extends TestSWCommand {
+
+    public NumberValidatorCommand() {
+        super("numberValidator");
+    }
+
+    @Register
+    public void test(String sender, @Min(intValue = 0) @Max(intValue = 10) int i) {
+        throw new ExecutionIdentifier("RunNumberValidator with int");
+    }
 }

testsrc/de/steamwar/command/NumberValidatorCommandTest.java

@@ -0,0 +1,51 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.command;
+
+import de.steamwar.command.dto.ExecutionIdentifier;
+import org.junit.Test;
+
+import static de.steamwar.AssertionUtils.assertCMDFramework;
+
+public class NumberValidatorCommandTest {
+
+    @Test
+    public void testMinValue() {
+        NumberValidatorCommand command = new NumberValidatorCommand();
+        command.execute("sender", "", new String[]{"-1"});
+    }
+
+    @Test
+    public void testMaxValue() {
+        NumberValidatorCommand command = new NumberValidatorCommand();
+        command.execute("sender", "",  new String[]{"11"});
+    }
+
+    @Test
+    public void testValidValue() {
+        try {
+            NumberValidatorCommand command = new NumberValidatorCommand();
+            command.execute("sender", "", new String[]{"2"});
+            assert false;
+        } catch (Exception e) {
+            assertCMDFramework(e, ExecutionIdentifier.class, "RunNumberValidator with int");
+        }
+    }
+}

testsrc/de/steamwar/command/PartOfCommand.java

@@ -0,0 +1,70 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.command;
+
+import de.steamwar.command.dto.ExecutionIdentifier;
+import de.steamwar.command.dto.TestSWCommand;
+import de.steamwar.command.dto.TestTypeMapper;
+
+import java.util.Arrays;
+import java.util.Collection;
+
+public class PartOfCommand {
+
+    public static class ParentCommand extends TestSWCommand {
+
+        public ParentCommand() {
+            super("parent");
+        }
+
+        @Register
+        public void execute(String s, String... args) {
+            throw new ExecutionIdentifier("ParentCommand with String...");
+        }
+
+        @Mapper("test")
+        public TestTypeMapper<Integer> typeMapper() {
+            return new TestTypeMapper<Integer>() {
+                @Override
+                public Integer map(String sender, PreviousArguments previousArguments, String s) {
+                    return -1;
+                }
+
+                @Override
+                public Collection<String> tabCompletes(String sender, PreviousArguments previousArguments, String s) {
+                    return Arrays.asList(s);
+                }
+            };
+        }
+    }
+
+    @AbstractSWCommand.PartOf(ParentCommand.class)
+    public static class SubCommand extends TestSWCommand {
+
+        public SubCommand() {
+            super(null);
+        }
+
+        @Register
+        public void execute(String s, @Mapper("test") int i) {
+            throw new ExecutionIdentifier("SubCommand with int " + i);
+        }
+    }
+}

testsrc/de/steamwar/command/PartOfCommandTest.java

@@ -0,0 +1,42 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.command;
+
+import de.steamwar.command.dto.ExecutionIdentifier;
+import org.junit.Test;
+
+import static de.steamwar.AssertionUtils.assertCMDFramework;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.is;
+
+public class PartOfCommandTest {
+
+    @Test
+    public void testMerging() {
+        PartOfCommand.ParentCommand command = new PartOfCommand.ParentCommand();
+        new PartOfCommand.SubCommand();
+        try {
+            command.execute("test", "", new String[]{"0"});
+            assertThat(true, is(false));
+        } catch (Exception e) {
+            assertCMDFramework(e, ExecutionIdentifier.class, "SubCommand with int -1");
+        }
+    }
+}

testsrc/de/steamwar/command/PreviousArgumentCommand.java

@@ -0,0 +1,54 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.command;
+
+import de.steamwar.command.dto.ExecutionIdentifier;
+import de.steamwar.command.dto.TestSWCommand;
+import de.steamwar.command.dto.TestTypeMapper;
+
+import java.util.Arrays;
+import java.util.Collection;
+
+public class PreviousArgumentCommand extends TestSWCommand {
+
+    public PreviousArgumentCommand() {
+        super("previous");
+    }
+
+    @Register
+    public void genericCommand(String s, int i, String l) {
+        throw new ExecutionIdentifier(l);
+    }
+
+    @ClassMapper(value = String.class, local = true)
+    public TestTypeMapper<String> typeMapper() {
+        return new TestTypeMapper<String>() {
+            @Override
+            public String map(String sender, PreviousArguments previousArguments, String s) {
+                return "RunTypeMapper_" + previousArguments.getMappedArg(0) + "_" + previousArguments.getMappedArg(0).getClass().getSimpleName();
+            }
+
+            @Override
+            public Collection<String> tabCompletes(String sender, PreviousArguments previousArguments, String s) {
+                return Arrays.asList(previousArguments.getMappedArg(0) + "");
+            }
+        };
+    }
+}

testsrc/de/steamwar/command/PreviousArgumentCommandTest.java

@@ -0,0 +1,56 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.command;
+
+import de.steamwar.command.dto.ExecutionIdentifier;
+import org.junit.Test;
+
+import java.util.List;
+
+import static de.steamwar.AssertionUtils.assertCMDFramework;
+import static de.steamwar.AssertionUtils.assertTabCompletes;
+
+public class PreviousArgumentCommandTest {
+
+    @Test
+    public void testPrevArg1() {
+        PreviousArgumentCommand command = new PreviousArgumentCommand();
+        List<String> strings = command.tabComplete("", "", new String[]{"1", ""});
+        assertTabCompletes(strings, "1");
+    }
+
+    @Test
+    public void testPrevArg2() {
+        PreviousArgumentCommand command = new PreviousArgumentCommand();
+        List<String> strings = command.tabComplete("", "", new String[]{"2", ""});
+        assertTabCompletes(strings, "2");
+    }
+
+    @Test
+    public void testPrevArgExecute() {
+        PreviousArgumentCommand command = new PreviousArgumentCommand();
+        try {
+            command.execute("", "", new String[]{"2", "2"});
+            assert false;
+        } catch (Exception e) {
+            assertCMDFramework(e, ExecutionIdentifier.class, "RunTypeMapper_2_Integer");
+        }
+    }
+}

testsrc/de/steamwar/command/SimpleCommand.java

@@ -19,7 +19,6 @@
 
 package de.steamwar.command;
 
-import de.steamwar.command.AbstractSWCommand.Register;
 import de.steamwar.command.dto.ExecutionIdentifier;
 import de.steamwar.command.dto.TestSWCommand;
 
@@ -29,7 +28,7 @@ public class SimpleCommand extends TestSWCommand {
         super("simple");
     }
 
-    @Register(value = "a", help = true)
+    @Register(value = "a", noTabComplete = true)
     public void test(String s, String... varargs) {
         throw new ExecutionIdentifier("RunSimple with Varargs");
     }

testsrc/de/steamwar/command/StaticValueCommandTest.java

@@ -41,11 +41,13 @@ public class StaticValueCommandTest {
         StaticValueCommand cmd = new StaticValueCommand();
         try {
             cmd.execute("", "", new String[] {"hello"});
+            assert false;
         } catch (Exception e) {
             assertCMDFramework(e, ExecutionIdentifier.class, "RunStaticValue with hello");
         }
         try {
             cmd.execute("", "", new String[] {"world"});
+            assert false;
         } catch (Exception e) {
             assertCMDFramework(e, ExecutionIdentifier.class, "RunStaticValue with world");
         }
@@ -56,16 +58,19 @@ public class StaticValueCommandTest {
         StaticValueCommand cmd = new StaticValueCommand();
         try {
             cmd.execute("", "", new String[] {"-a"});
+            assert false;
         } catch (Exception e) {
             assertCMDFramework(e, ExecutionIdentifier.class, "RunStaticValue with false");
         }
         try {
             cmd.execute("", "", new String[] {"-b"});
+            assert false;
         } catch (Exception e) {
             assertCMDFramework(e, ExecutionIdentifier.class, "RunStaticValue with true");
         }
         try {
             cmd.execute("", "", new String[] {"-c"});
+            assert false;
         } catch (Exception e) {
             assertCMDFramework(e, ExecutionIdentifier.class, "RunStaticValue with true");
         }
@@ -76,16 +81,19 @@ public class StaticValueCommandTest {
         StaticValueCommand cmd = new StaticValueCommand();
         try {
             cmd.execute("", "", new String[] {"-d"});
+            assert false;
         } catch (Exception e) {
             assertCMDFramework(e, ExecutionIdentifier.class, "RunStaticValue with true");
         }
         try {
             cmd.execute("", "", new String[] {"-e"});
+            assert false;
         } catch (Exception e) {
             assertCMDFramework(e, ExecutionIdentifier.class, "RunStaticValue with false");
         }
         try {
             cmd.execute("", "", new String[] {"-f"});
+            assert false;
         } catch (Exception e) {
             assertCMDFramework(e, ExecutionIdentifier.class, "RunStaticValue with true");
         }
@@ -96,16 +104,19 @@ public class StaticValueCommandTest {
         StaticValueCommand cmd = new StaticValueCommand();
         try {
             cmd.execute("", "", new String[] {"-g"});
+            assert false;
         } catch (Exception e) {
             assertCMDFramework(e, ExecutionIdentifier.class, "RunStaticValue with int 0");
         }
         try {
             cmd.execute("", "", new String[] {"-h"});
+            assert false;
         } catch (Exception e) {
             assertCMDFramework(e, ExecutionIdentifier.class, "RunStaticValue with int 1");
         }
         try {
             cmd.execute("", "", new String[] {"-i"});
+            assert false;
         } catch (Exception e) {
             assertCMDFramework(e, ExecutionIdentifier.class, "RunStaticValue with int 2");
         }
@@ -116,16 +127,19 @@ public class StaticValueCommandTest {
         StaticValueCommand cmd = new StaticValueCommand();
         try {
             cmd.execute("", "", new String[] {"-j"});
+            assert false;
         } catch (Exception e) {
             assertCMDFramework(e, ExecutionIdentifier.class, "RunStaticValue with long 0");
         }
         try {
             cmd.execute("", "", new String[] {"-k"});
+            assert false;
         } catch (Exception e) {
             assertCMDFramework(e, ExecutionIdentifier.class, "RunStaticValue with long 1");
         }
         try {
             cmd.execute("", "", new String[] {"-l"});
+            assert false;
         } catch (Exception e) {
             assertCMDFramework(e, ExecutionIdentifier.class, "RunStaticValue with long 2");
         }

testsrc/de/steamwar/command/SubCMDSortingCommand.java

@@ -0,0 +1,50 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.command;
+
+import de.steamwar.command.dto.ExecutionIdentifier;
+import de.steamwar.command.dto.TestSWCommand;
+
+public class SubCMDSortingCommand extends TestSWCommand {
+
+    public SubCMDSortingCommand() {
+        super("subcmdsorting");
+    }
+
+    @Register
+    public void test(String s) {
+        throw new ExecutionIdentifier("Command with 0 parameters");
+    }
+
+    @Register
+    public void test(String s, String args) {
+        throw new ExecutionIdentifier("Command with 1 parameter");
+    }
+
+    @Register
+    public void test(String s, String i1, String i2, String i3, String... args) {
+        throw new ExecutionIdentifier("Command with 3+n parameters");
+    }
+
+    @Register
+    public void test(String s, String... args) {
+        throw new ExecutionIdentifier("Command with n parameters");
+    }
+}

testsrc/de/steamwar/command/SubCMDSortingCommandTest.java

@@ -0,0 +1,83 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.command;
+
+import de.steamwar.command.dto.ExecutionIdentifier;
+import org.junit.Test;
+
+import static de.steamwar.AssertionUtils.assertCMDFramework;
+
+public class SubCMDSortingCommandTest {
+
+    @Test
+    public void testNoArgs() {
+        SubCMDSortingCommand cmd = new SubCMDSortingCommand();
+        try {
+            cmd.execute("", "", new String[]{});
+            assert false;
+        } catch (Exception e) {
+            assertCMDFramework(e, ExecutionIdentifier.class, "Command with 0 parameters");
+        }
+    }
+
+    @Test
+    public void testOneArgs() {
+        SubCMDSortingCommand cmd = new SubCMDSortingCommand();
+        try {
+            cmd.execute("", "", new String[]{"Hello"});
+            assert false;
+        } catch (Exception e) {
+            assertCMDFramework(e, ExecutionIdentifier.class, "Command with 1 parameter");
+        }
+    }
+
+    @Test
+    public void testOneArgsVarArg() {
+        SubCMDSortingCommand cmd = new SubCMDSortingCommand();
+        try {
+            cmd.execute("", "", new String[]{"Hello", "World"});
+            assert false;
+        } catch (Exception e) {
+            assertCMDFramework(e, ExecutionIdentifier.class, "Command with n parameters");
+        }
+    }
+
+    @Test
+    public void testThreeArgsVarArg() {
+        SubCMDSortingCommand cmd = new SubCMDSortingCommand();
+        try {
+            cmd.execute("", "", new String[]{"Hello", "World", "YoyoNow", "Hugo"});
+            assert false;
+        } catch (Exception e) {
+            assertCMDFramework(e, ExecutionIdentifier.class, "Command with 3+n parameters");
+        }
+    }
+
+    @Test
+    public void testThreeArgsVarArg2() {
+        SubCMDSortingCommand cmd = new SubCMDSortingCommand();
+        try {
+            cmd.execute("", "", new String[]{"Hello", "World", "YoyoNow"});
+            assert false;
+        } catch (Exception e) {
+            assertCMDFramework(e, ExecutionIdentifier.class, "Command with 3+n parameters");
+        }
+    }
+}

testsrc/de/steamwar/command/dto/TestSWCommand.java

@@ -51,9 +51,11 @@ public class TestSWCommand extends AbstractSWCommand<String> {
 
     @Override
     protected void commandSystemError(String sender, CommandFrameworkException e) {
+        System.out.println("CommandSystemError: " + e.getMessage());
     }
 
     @Override
     protected void commandSystemWarning(Supplier<String> message) {
+        System.out.println("CommandSystemWarning: " + message.get());
     }
 }