Merge branch 'master' into removeDeprecated

# Conflicts:
#	SpigotCore_Main/src/de/steamwar/sql/CheckedSchematic.java

SpigotCore_14/src/de/steamwar/core/WorldEditWrapper14.java

@@ -29,10 +29,9 @@ import com.sk89q.worldedit.world.registry.LegacyMapper;
 import de.steamwar.sql.NoClipboardException;
 import org.bukkit.entity.Player;
 
-import java.io.ByteArrayOutputStream;
+import java.io.*;
-import java.io.IOException;
-import java.io.InputStream;
 import java.util.*;
+import java.util.logging.Level;
 import java.util.stream.Collectors;
 
 import static com.google.common.base.Preconditions.checkNotNull;
@@ -43,7 +42,7 @@ public class WorldEditWrapper14 implements WorldEditWrapper.IWorldEditWrapper {
     private static final ClipboardFormat SCHEM = BuiltInClipboardFormat.SPONGE_SCHEMATIC;
 
     @Override
-    public byte[] getPlayerClipboard(Player player, boolean schemFormat) {
+    public InputStream getPlayerClipboard(Player player, boolean schemFormat) {
         ClipboardHolder clipboardHolder;
         try {
             clipboardHolder = WorldEditWrapper.getWorldEditPlugin().getSession(player).getClipboard();
@@ -55,21 +54,36 @@ public class WorldEditWrapper14 implements WorldEditWrapper.IWorldEditWrapper {
         if(clipboard == null)
             throw new NoClipboardException();
 
-        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        PipedOutputStream outputStream = new PipedOutputStream();
-        try{
+        PipedInputStream inputStream;
-            if(schemFormat){
+        try {
-                ClipboardWriter writer = SCHEM.getWriter(outputStream);
+            inputStream = new PipedInputStream(outputStream, 4096);
-                writer.write(clipboard);
-                writer.close();
-            }else{
-                SCHEMATIC.getWriter(outputStream).write(clipboard);
-            }
         }catch(NullPointerException e){
             throw new RuntimeException(e.getMessage(), new IOException(e));
         } catch (IOException e) {
-            throw new RuntimeException(e.getMessage(), e);
+            throw new SecurityException("Could not init piped input stream", e);
         }
-        return outputStream.toByteArray();
+
+        new Thread(() -> {
+            try{
+                if(schemFormat){
+                    ClipboardWriter writer = SCHEM.getWriter(outputStream);
+                    writer.write(clipboard);
+                    writer.close();
+                }else{
+                    SCHEMATIC.getWriter(outputStream).write(clipboard);
+                }
+            }catch(NullPointerException | IOException e) {
+                Core.getInstance().getLogger().log(Level.SEVERE, "Could not write schematic", e);
+            }
+            try {
+                outputStream.close();
+            } catch (IOException e) {
+                Core.getInstance().getLogger().log(Level.SEVERE, "Could not close schem writer", e);
+            }
+        }, "SchemWriter").start();
+
+        return inputStream;
     }
 
     @Override

SpigotCore_8/src/de/steamwar/core/WorldEditWrapper8.java

@@ -19,19 +19,18 @@ import com.sk89q.worldedit.world.registry.WorldData;
 import de.steamwar.sql.NoClipboardException;
 import org.bukkit.entity.Player;
 
-import java.io.ByteArrayOutputStream;
+import java.io.*;
-import java.io.IOException;
-import java.io.InputStream;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
+import java.util.logging.Level;
 import java.util.stream.Collectors;
 
 public class WorldEditWrapper8 implements WorldEditWrapper.IWorldEditWrapper {
 
     @Override
-    public byte[] getPlayerClipboard(Player player, boolean schemFormat) {
+    public InputStream getPlayerClipboard(Player player, boolean schemFormat) {
         ClipboardHolder clipboardHolder;
         try {
             clipboardHolder = WorldEditWrapper.getWorldEditPlugin().getSession(player).getClipboard();
@@ -43,13 +42,28 @@ public class WorldEditWrapper8 implements WorldEditWrapper.IWorldEditWrapper {
         if(clipboard == null)
             throw new NoClipboardException();
 
-        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        PipedOutputStream outputStream = new PipedOutputStream();
+        PipedInputStream inputStream;
         try {
-            ClipboardFormat.SCHEMATIC.getWriter(outputStream).write(clipboard, clipboardHolder.getWorldData());
+            inputStream = new PipedInputStream(outputStream, 4096);
         } catch (IOException e) {
-            throw new RuntimeException(e.getMessage(), e);
+            throw new SecurityException("Could not init piped input stream", e);
         }
-        return outputStream.toByteArray();
+
+        new Thread(() -> {
+            try {
+                ClipboardFormat.SCHEMATIC.getWriter(outputStream).write(clipboard, clipboardHolder.getWorldData());
+            } catch (IOException e) {
+                Core.getInstance().getLogger().log(Level.SEVERE, "Could not write schematic", e);
+            }
+            try {
+                outputStream.close();
+            } catch (IOException e) {
+                Core.getInstance().getLogger().log(Level.SEVERE, "Could not close schem writer", e);
+            }
+        }, "SchemWriter").start();
+
+        return inputStream;
     }
 
     @Override

SpigotCore_Main/src/de/steamwar/command/CommandNoHelpException.java

@@ -0,0 +1,26 @@
+/*
+ * 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.command;
+
+class CommandNoHelpException extends RuntimeException {
+    
+    CommandNoHelpException() {
+    }
+}

SpigotCore_Main/src/de/steamwar/command/GuardCheckType.java

@@ -0,0 +1,26 @@
+/*
+ * 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.command;
+
+public enum GuardCheckType {
+    COMMAND,
+    HELP_COMMAND,
+    TAB_COMPLETE
+}

SpigotCore_Main/src/de/steamwar/command/GuardChecker.java

@@ -0,0 +1,30 @@
+/*
+ * 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.command;
+
+import org.bukkit.command.CommandSender;
+
+@FunctionalInterface
+public interface GuardChecker {
+    /**
+     * While guarding the first parameter of the command the parameter s of this method is {@code null}
+     */
+    GuardResult guard(CommandSender commandSender, GuardCheckType guardCheckType, String[] previousArguments, String s);
+}

SpigotCore_Main/src/de/steamwar/command/GuardResult.java

@@ -0,0 +1,26 @@
+/*
+ * 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.command;
+
+public enum GuardResult {
+    ALLOWED,
+    DENIED_WITH_HELP,
+    DENIED
+}

SpigotCore_Main/src/de/steamwar/command/SWCommand.java

@@ -39,6 +39,7 @@ public abstract class SWCommand {
     private final List<SubCommand> commandList = new ArrayList<>();
     private final List<SubCommand> commandHelpList = new ArrayList<>();
     private final Map<String, TypeMapper<?>> localTypeMapper = new HashMap<>();
+    private final Map<String, GuardChecker> localGuardChecker = new HashMap<>();
 
     protected SWCommand(String command) {
         this(command, new String[0]);
@@ -51,8 +52,13 @@ public abstract class SWCommand {
                 if (!initialized) {
                     createMapping();
                 }
-                if (commandList.stream().anyMatch(s -> s.invoke(sender, args))) return false;
+                try {
-                commandHelpList.stream().anyMatch(s -> s.invoke(sender, args));
+                    if (!commandList.stream().anyMatch(s -> s.invoke(sender, args))) {
+                        commandHelpList.stream().anyMatch(s -> s.invoke(sender, args));
+                    }
+                } catch (CommandNoHelpException e) {
+                    // Ignored
+                }
                 return false;
             }
 
@@ -84,19 +90,26 @@ public abstract class SWCommand {
             addMapper(ClassMapper.class, method, i -> i == 0, false, TypeMapper.class, (anno, typeMapper) -> {
                 (anno.local() ? localTypeMapper : SWCommandUtils.MAPPER_FUNCTIONS).putIfAbsent(anno.value().getTypeName(), typeMapper);
             });
+            addGuard(Guard.class, method, i -> i == 0, false, GuardChecker.class, (anno, guardChecker) -> {
+                (anno.local() ? localGuardChecker : SWCommandUtils.GUARD_FUNCTIONS).putIfAbsent(anno.value(), guardChecker);
+            });
+            addGuard(ClassGuard.class, method, i -> i == 0, false, GuardChecker.class, (anno, guardChecker) -> {
+                (anno.local() ? localGuardChecker : SWCommandUtils.GUARD_FUNCTIONS).putIfAbsent(anno.value().getTypeName(), guardChecker);
+            });
+
             add(Register.class, method, i -> i > 0, true, null, (anno, parameters) -> {
                 if (!anno.help()) return;
                 if (parameters.length != 2) {
-                    Bukkit.getLogger().log(Level.WARNING, "The method '" + method.toString() + "' is lacking parameters or has too many");
+                    Bukkit.getLogger().log(Level.WARNING, () -> "The method '" + method.toString() + "' is lacking parameters or has too many");
                 }
                 if (!parameters[parameters.length - 1].isVarArgs()) {
-                    Bukkit.getLogger().log(Level.WARNING, "The method '" + method.toString() + "' is lacking the varArgs parameters as last Argument");
+                    Bukkit.getLogger().log(Level.WARNING, () -> "The method '" + method.toString() + "' is lacking the varArgs parameters as last Argument");
                 }
                 if (parameters[parameters.length - 1].getType().getComponentType() != String.class) {
-                    Bukkit.getLogger().log(Level.WARNING, "The method '" + method.toString() + "' is lacking the varArgs parameters of type '" + String.class.getTypeName() + "' as last Argument");
+                    Bukkit.getLogger().log(Level.WARNING, () -> "The method '" + method.toString() + "' is lacking the varArgs parameters of type '" + String.class.getTypeName() + "' as last Argument");
                     return;
                 }
-                commandHelpList.add(new SubCommand(this, method, anno.value(), new HashMap<>()));
+                commandHelpList.add(new SubCommand(this, method, anno.value(), new HashMap<>(), localGuardChecker, true));
             });
         }
         for (Method method : methods) {
@@ -114,11 +127,11 @@ public abstract class SWCommand {
                     }
                     String name = mapper != null ? mapper.value() : clazz.getTypeName();
                     if (!SWCommandUtils.MAPPER_FUNCTIONS.containsKey(name) && !localTypeMapper.containsKey(name)) {
-                        Bukkit.getLogger().log(Level.WARNING, "The parameter '" + parameter.toString() + "' is using an unsupported Mapper of type '" + name + "'");
+                        Bukkit.getLogger().log(Level.WARNING, () -> "The parameter '" + parameter.toString() + "' is using an unsupported Mapper of type '" + name + "'");
                         return;
                     }
                 }
-                commandList.add(new SubCommand(this, method, anno.value(), localTypeMapper));
+                commandList.add(new SubCommand(this, method, anno.value(), localTypeMapper, localGuardChecker, false));
             });
 
             this.commandList.sort((o1, o2) -> {
@@ -141,15 +154,15 @@ public abstract class SWCommand {
 
         Parameter[] parameters = method.getParameters();
         if (!parameterTester.test(parameters.length)) {
-            Bukkit.getLogger().log(Level.WARNING, "The method '" + method.toString() + "' is lacking parameters or has too many");
+            Bukkit.getLogger().log(Level.WARNING, () -> "The method '" + method.toString() + "' is lacking parameters or has too many");
             return;
         }
         if (firstParameter && !CommandSender.class.isAssignableFrom(parameters[0].getType())) {
-            Bukkit.getLogger().log(Level.WARNING, "The method '" + method.toString() + "' is lacking the first parameter of type '" + CommandSender.class.getTypeName() + "'");
+            Bukkit.getLogger().log(Level.WARNING, () -> "The method '" + method.toString() + "' is lacking the first parameter of type '" + CommandSender.class.getTypeName() + "'");
             return;
         }
         if (returnType != null && method.getReturnType() != returnType) {
-            Bukkit.getLogger().log(Level.WARNING, "The method '" + method.toString() + "' is lacking the desired return type '" + returnType.getTypeName() + "'");
+            Bukkit.getLogger().log(Level.WARNING, () -> "The method '" + method.toString() + "' is lacking the desired return type '" + returnType.getTypeName() + "'");
             return;
         }
         Arrays.stream(anno).forEach(t -> consumer.accept(t, parameters));
@@ -166,6 +179,17 @@ public abstract class SWCommand {
         });
     }
 
+    private <T extends Annotation> void addGuard(Class<T> annotation, Method method, IntPredicate parameterTester, boolean firstParameter, Class<?> returnType, BiConsumer<T, GuardChecker> consumer) {
+        add(annotation, method, parameterTester, firstParameter, returnType, (anno, parameters) -> {
+            try {
+                method.setAccessible(true);
+                consumer.accept(anno, (GuardChecker) method.invoke(this));
+            } catch (Exception e) {
+                throw new SecurityException(e.getMessage(), e);
+            }
+        });
+    }
+
     public void unregister() {
         SWCommandUtils.knownCommandMap.remove(command.getName());
         command.getAliases().forEach(SWCommandUtils.knownCommandMap::remove);
@@ -206,4 +230,20 @@ public abstract class SWCommand {
 
         boolean local() default false;
     }
+
+    @Retention(RetentionPolicy.RUNTIME)
+    @Target({ElementType.PARAMETER, ElementType.METHOD})
+    protected @interface Guard {
+        String value() default "";
+
+        boolean local() default false;
+    }
+
+    @Retention(RetentionPolicy.RUNTIME)
+    @Target({ElementType.METHOD})
+    protected @interface ClassGuard {
+        Class<?> value();
+
+        boolean local() default false;
+    }
 }

SpigotCore_Main/src/de/steamwar/command/SWCommandUtils.java

@@ -44,6 +44,7 @@ public class SWCommandUtils {
     }
 
     static final Map<String, TypeMapper<?>> MAPPER_FUNCTIONS = new HashMap<>();
+    static final Map<String, GuardChecker> GUARD_FUNCTIONS = new HashMap<>();
 
     static final TypeMapper<?> ERROR_FUNCTION = createMapper(s -> {
         throw new SecurityException();
@@ -100,7 +101,7 @@ public class SWCommandUtils {
         }
     }
 
-    static Object[] generateArgumentArray(CommandSender commandSender, TypeMapper<?>[] parameters, String[] args, Class<?> varArgType, String[] subCommand) throws CommandParseException {
+    static Object[] generateArgumentArray(CommandSender commandSender, TypeMapper<?>[] parameters, GuardChecker[] guards, String[] args, Class<?> varArgType, String[] subCommand) throws CommandParseException {
         Object[] arguments = new Object[parameters.length + 1];
         int index = 0;
         while (index < subCommand.length) {
@@ -142,6 +143,14 @@ public class SWCommandUtils {
         MAPPER_FUNCTIONS.putIfAbsent(name, mapper);
     }
 
+    public static void addGuard(Class<?> clazz, GuardChecker guardChecker) {
+        addGuard(clazz.getTypeName(), guardChecker);
+    }
+
+    public static void addGuard(String name, GuardChecker guardChecker) {
+        GUARD_FUNCTIONS.putIfAbsent(name, guardChecker);
+    }
+
     public static <T> TypeMapper<T> createMapper(Function<String, T> mapper, Function<String, List<String>> tabCompleter) {
         return createMapper(mapper, (commandSender, s) -> tabCompleter.apply(s));
     }

SpigotCore_Main/src/de/steamwar/command/SubCommand.java

@@ -19,6 +19,7 @@
 
 package de.steamwar.command;
 
+import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
 
 import java.lang.reflect.InvocationTargetException;
@@ -27,6 +28,7 @@ import java.lang.reflect.Parameter;
 import java.util.*;
 import java.util.function.Function;
 import java.util.function.Predicate;
+import java.util.logging.Level;
 
 import static de.steamwar.command.SWCommandUtils.*;
 
@@ -36,20 +38,26 @@ class SubCommand {
     private Method method;
     String[] subCommand;
     TypeMapper<?>[] arguments;
+    GuardChecker[] guards;
     private Predicate<CommandSender> commandSenderPredicate;
     private Function<CommandSender, ?> commandSenderFunction;
+    private GuardChecker guardChecker;
     Class<?> varArgType = null;
+    private boolean help;
 
-    SubCommand(SWCommand swCommand, Method method, String[] subCommand, Map<String, TypeMapper<?>> localTypeMapper) {
+    SubCommand(SWCommand swCommand, Method method, String[] subCommand, Map<String, TypeMapper<?>> localTypeMapper, Map<String, GuardChecker> localGuardChecker, boolean help) {
         this.swCommand = swCommand;
         this.method = method;
+        this.help = help;
 
         Parameter[] parameters = method.getParameters();
         commandSenderPredicate = sender -> parameters[0].getType().isAssignableFrom(sender.getClass());
         commandSenderFunction = sender -> parameters[0].getType().cast(sender);
         this.subCommand = subCommand;
+        guardChecker = getGuardChecker(parameters[0], localGuardChecker);
 
         arguments = new TypeMapper[parameters.length - 1];
+        guards = new GuardChecker[parameters.length - 1];
         for (int i = 1; i < parameters.length; i++) {
             Parameter parameter = parameters[i];
             Class<?> clazz = parameter.getType();
@@ -76,9 +84,29 @@ class SubCommand {
             arguments[i - 1] = localTypeMapper.containsKey(name)
                     ? localTypeMapper.get(name)
                     : MAPPER_FUNCTIONS.getOrDefault(name, ERROR_FUNCTION);
+            guards[i - 1] = getGuardChecker(parameter, localGuardChecker);
         }
     }
 
+    private GuardChecker getGuardChecker(Parameter parameter, Map<String, GuardChecker> localGuardChecker) {
+        SWCommand.Guard guard = parameter.getAnnotation(SWCommand.Guard.class);
+        if (guard != null) {
+            if (guard.value() == null || guard.value().isEmpty()) {
+                String s = parameter.getType().getTypeName();
+                if (parameter.isVarArgs()) {
+                    s = parameter.getType().getComponentType().getTypeName();
+                }
+                return localGuardChecker.getOrDefault(s, GUARD_FUNCTIONS.getOrDefault(s, null));
+            }
+            GuardChecker current = localGuardChecker.getOrDefault(guard.value(), GUARD_FUNCTIONS.getOrDefault(guard.value(), null));
+            if (guardChecker == null) {
+                Bukkit.getLogger().log(Level.WARNING, () -> "The guard checker with name '" + guard.value() + "' is neither a local guard checker nor a global one");
+            }
+            return current;
+        }
+        return null;
+    }
+
     boolean invoke(CommandSender commandSender, String[] args) {
         if (args.length < arguments.length + subCommand.length - (varArgType != null ? 1 : 0)) {
             return false;
@@ -90,10 +118,38 @@ class SubCommand {
             if (!commandSenderPredicate.test(commandSender)) {
                 return false;
             }
-            Object[] objects = SWCommandUtils.generateArgumentArray(commandSender, arguments, args, varArgType, subCommand);
+            Object[] objects = SWCommandUtils.generateArgumentArray(commandSender, arguments, guards, args, varArgType, subCommand);
             objects[0] = commandSenderFunction.apply(commandSender);
+            for (int i = subCommand.length; i < args.length; i++) {
+                GuardChecker current;
+                if (i == subCommand.length) {
+                    current = guardChecker;
+                } else {
+                    if (i >= objects.length + subCommand.length) {
+                        current = guards[guards.length - 1];
+                    } else {
+                        current = guards[i - 1 - subCommand.length];
+                    }
+                }
+                if (current != null) {
+                    GuardResult guardResult;
+                    if (i == 0) {
+                        guardResult = current.guard(commandSender, help ? GuardCheckType.HELP_COMMAND : GuardCheckType.COMMAND, new String[0], null);
+                    } else {
+                        guardResult = current.guard(commandSender, help ? GuardCheckType.HELP_COMMAND : GuardCheckType.COMMAND, Arrays.copyOf(args, i - 1), args[i - 1]);
+                    }
+                    if (guardResult != GuardResult.ALLOWED) {
+                        if (guardResult == GuardResult.DENIED) {
+                            throw new CommandNoHelpException();
+                        }
+                        return false;
+                    }
+                }
+            }
             method.setAccessible(true);
             method.invoke(swCommand, objects);
+        } catch (CommandNoHelpException e) {
+            throw e;
         } catch (IllegalAccessException | RuntimeException | InvocationTargetException e) {
             throw new SecurityException(e.getMessage(), e);
         } catch (CommandParseException e) {
@@ -106,6 +162,9 @@ class SubCommand {
         if (varArgType == null && args.length > arguments.length + subCommand.length) {
             return null;
         }
+        if (guardChecker != null && guardChecker.guard(commandSender, GuardCheckType.TAB_COMPLETE, new String[0], null) != GuardResult.ALLOWED) {
+            return null;
+        }
         int index = 0;
         List<String> argsList = new LinkedList<>(Arrays.asList(args));
         for (String value : subCommand) {
@@ -114,12 +173,19 @@ class SubCommand {
             if (!value.equalsIgnoreCase(s)) return null;
             index++;
         }
+        int guardIndex = 0;
         for (TypeMapper<?> argument : arguments) {
             String s = argsList.remove(0);
             if (argsList.isEmpty()) {
+                if (guards[guardIndex] != null && guards[guardIndex].guard(commandSender, GuardCheckType.TAB_COMPLETE, Arrays.copyOf(args, args.length - 1), s) != GuardResult.ALLOWED) {
+                    return null;
+                }
                 return argument.tabCompletes(commandSender, Arrays.copyOf(args, args.length - 1), s);
             }
             try {
+                if (guards[guardIndex] != null && guards[guardIndex].guard(commandSender, GuardCheckType.TAB_COMPLETE, Arrays.copyOf(args, index), s) != GuardResult.ALLOWED) {
+                    return null;
+                }
                 if (argument.map(commandSender, Arrays.copyOf(args, index), s) == null) {
                     return null;
                 }
@@ -127,14 +193,21 @@ class SubCommand {
                 return null;
             }
             index++;
+            guardIndex++;
         }
         if (varArgType != null && !argsList.isEmpty()) {
             while (!argsList.isEmpty()) {
                 String s = argsList.remove(0);
                 if (argsList.isEmpty()) {
+                    if (guards[guards.length - 1] != null && guards[guards.length - 1].guard(commandSender, GuardCheckType.TAB_COMPLETE, Arrays.copyOf(args, args.length - 1), s) != GuardResult.ALLOWED) {
+                        return null;
+                    }
                     return arguments[arguments.length - 1].tabCompletes(commandSender, Arrays.copyOf(args, args.length - 1), s);
                 }
                 try {
+                    if (guards[guards.length - 1] != null && guards[guards.length - 1].guard(commandSender, GuardCheckType.TAB_COMPLETE, Arrays.copyOf(args, index), s) != GuardResult.ALLOWED) {
+                        return null;
+                    }
                     if (arguments[arguments.length - 1].map(commandSender, Arrays.copyOf(args, index), s) == null) {
                         return null;
                     }

SpigotCore_Main/src/de/steamwar/comms/packets/PrepareSchemPacket.java

@@ -22,21 +22,29 @@ package de.steamwar.comms.packets;
 import com.google.common.io.ByteArrayDataOutput;
 import de.steamwar.comms.PacketIdManager;
 import de.steamwar.sql.Schematic;
+import de.steamwar.sql.SchematicNode;
 import de.steamwar.sql.SchematicType;
 import de.steamwar.sql.SteamwarUser;
 
 public class PrepareSchemPacket extends SpigotPacket{
 
     private final SteamwarUser user;
-    private final Schematic schematic;
+    private final SchematicNode schematic;
     private final SchematicType schematicType;
 
-    public PrepareSchemPacket(SteamwarUser user, Schematic schematic, SchematicType schematicType){
+    public PrepareSchemPacket(SteamwarUser user, SchematicNode schematic, SchematicType schematicType) {
         this.user = user;
         this.schematic = schematic;
         this.schematicType = schematicType;
     }
 
+    @Deprecated
+    public PrepareSchemPacket(SteamwarUser user, Schematic schematic, SchematicType schematicType) {
+        this.user = user;
+        this.schematic = schematic.getNode();
+        this.schematicType = schematicType;
+    }
+
     @Override
     public int getName() {
         return PacketIdManager.PREPARE_SCHEM;
@@ -45,7 +53,7 @@ public class PrepareSchemPacket extends SpigotPacket{
     @Override
     public void writeVars(ByteArrayDataOutput byteArrayDataOutput) {
         byteArrayDataOutput.writeInt(user.getId());
-        byteArrayDataOutput.writeInt(schematic.getSchemID());
+        byteArrayDataOutput.writeInt(schematic.getId());
         byteArrayDataOutput.writeUTF(schematicType.toDB());
     }
 }

SpigotCore_Main/src/de/steamwar/core/WorldEditWrapper.java

@@ -14,7 +14,7 @@ public class WorldEditWrapper {
     public static final IWorldEditWrapper impl = VersionDependent.getVersionImpl(Core.getInstance());
 
     public interface IWorldEditWrapper {
-        byte[] getPlayerClipboard(Player player, boolean schemFormat);
+        InputStream getPlayerClipboard(Player player, boolean schemFormat);
         void setPlayerClipboard(Player player, InputStream is, boolean schemFormat);
         Clipboard getClipboard(InputStream is, boolean schemFormat) throws IOException;
 

SpigotCore_Main/src/de/steamwar/inventory/SWInventory.java

@@ -103,7 +103,7 @@ public class SWInventory implements Listener {
     }
 
     public void setCallback(int pos, InvCallback c) {
-        callbacks.put(pos, inventoryClickEvent -> c.clicked(inventoryClickEvent.getClick()));
+        callbacks.put(pos, inventoryClickEvent -> c.clicked(inventoryClickEvent == null ? null : inventoryClickEvent.getClick()));
     }
 
     public void setItemEvent(int pos, ItemStack itemStack, Consumer<InventoryClickEvent> c) {

SpigotCore_Main/src/de/steamwar/inventory/SWListInv.java

@@ -20,6 +20,7 @@
 package de.steamwar.inventory;
 
 import de.steamwar.sql.Schematic;
+import de.steamwar.sql.SchematicNode;
 import de.steamwar.sql.SchematicType;
 import org.bukkit.Bukkit;
 import org.bukkit.Material;
@@ -27,6 +28,7 @@ import org.bukkit.entity.Player;
 import org.bukkit.event.inventory.ClickType;
 
 import java.util.*;
+import java.util.stream.Collectors;
 
 public class SWListInv<T> extends SWInventory {
 
@@ -115,26 +117,32 @@ public class SWListInv<T> extends SWInventory {
         return onlinePlayers;
     }
 
-    public static List<SWListEntry<Schematic>> getSchemList(SchematicType type, int steamwarUserId){
+    public static List<SWListEntry<SchematicNode>> getSchemnodeList(SchematicType type, int steamwarUserId){
-        List<SWListEntry<Schematic>> schemList = new ArrayList<>();
+        List<SWListEntry<SchematicNode>> schemList = new ArrayList<>();
 
-        List<Schematic> schems;
+        List<SchematicNode> schems;
         if(type == null)
-            schems = Schematic.getSchemsAccessibleByUser(steamwarUserId);
+            schems = SchematicNode.getAllSchematicsAccessibleByUser(steamwarUserId);
         else
-            schems = Schematic.getSchemsOfType(steamwarUserId, type);
+            schems = SchematicNode.getAllAccessibleSchematicsOfType(steamwarUserId, type.toDB());
 
-        for(Schematic s : schems){
+        for(SchematicNode s : schems){
             Material m;
             if(s.getItem().isEmpty())
                 m = SWItem.getMaterial("CAULDRON_ITEM");
             else
                 m = SWItem.getMaterial(s.getItem());
-            SWItem item = new SWItem(m,"§e" + s.getSchemName());
+            SWItem item = new SWItem(m,"§e" + s.getName());
+            item.setEnchanted(s.isDir());
             schemList.add(new SWListEntry<>(item, s));
         }
         return schemList;
     }
+
+    @Deprecated
+    public static List<SWListEntry<Schematic>> getSchemList(SchematicType type, int steamwarUserId){
+        return getSchemnodeList(type, steamwarUserId).stream().map(schematicNodeSWListEntry -> new SWListEntry<Schematic>(schematicNodeSWListEntry.getItem(), Schematic.wrap(schematicNodeSWListEntry.getObject()))).collect(Collectors.toList());
+    }
     
     private boolean sizeBiggerMax(){
         return dynamicSize ? elements.size() > 54 : elements.size() > 45;

SpigotCore_Main/src/de/steamwar/sql/CheckedSchematic.java

@@ -1,6 +1,6 @@
-/* 
+/*
     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
@@ -24,48 +24,58 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.UUID;
 
-
 public class CheckedSchematic {
 
-    private static final SQL.Statement checkHistory = new SQL.Statement("SELECT * FROM CheckedSchematic WHERE SchemOwner = ? AND DeclineReason != '' AND DeclineReason != 'Prüfvorgang abgebrochen' ORDER BY EndTime DESC");
+    private static final SQL.Statement checkHistory = new SQL.Statement("SELECT * FROM CheckedSchematic WHERE NodeId IN (SELECT NodeId FROM SchematicNode WHERE NodeOwner = ?) AND DeclineReason != '' AND DeclineReason != 'Prüfvorgang abgebrochen' AND NodeId is not NULL ORDER BY EndTime DESC");
+    private static final SQL.Statement nodeHistory = new SQL.Statement("SELECT * FROM CheckedSchematic WHERE NodeId = ? AND DeclineReason != '' AND DeclineReason != 'Prüfvorgang abgebrochen' ORDER BY EndTime DESC");
+    private static final SQL.Statement insert = new SQL.Statement("INSERT INTO CheckedSchematic (NodeId, NodeName, NodeOwner, Validator, StartTime, EndTime, DeclineReason) VALUES (?, ?, ?, ?, ?, ?, ?)");
+    private static final SQL.Statement setNodeNull = new SQL.Statement("UPDATE CheckedSchematic SET NodeId = NULL WHERE NodeId = ?");
 
-    private final String schemName;
+    private final Integer node;
-    private final int schemOwner;
     private final int validator;
     private final Timestamp startTime;
     private final Timestamp endTime;
     private final String declineReason;
 
-    private CheckedSchematic(String schemName, int schemOwner, int validator, Timestamp startTime, Timestamp endTime, String declineReason){
+    private CheckedSchematic(int node, int validator, Timestamp startTime, Timestamp endTime, String declineReason){
-        this.schemName = schemName;
+        this.node = node;
-        this.schemOwner = schemOwner;
         this.validator = validator;
         this.startTime = startTime;
         this.endTime = endTime;
         this.declineReason = declineReason;
     }
 
-    public static List<CheckedSchematic> getLastDeclined(UUID schemOwner){
+    public static List<CheckedSchematic> getLastDeclinedOfNode(SchematicNode node){
-        return getLastDelined(SteamwarUser.get(schemOwner).getId());
+        return getLastDeclinedOfNode(node.getId());
+    }
+
+    public static List<CheckedSchematic> getLastDeclinedOfNode(int node){
+        return nodeHistory.select(rs -> {
+            List<CheckedSchematic> lastDeclined = new ArrayList<>();
+            while(rs.next()){
+                int validator = rs.getInt("Validator");
+                Timestamp startTime = rs.getTimestamp("StartTime");
+                Timestamp endTime = rs.getTimestamp("EndTime");
+                String declineReason = rs.getString("DeclineReason");
+                lastDeclined.add(new CheckedSchematic(node, validator, startTime, endTime, declineReason, false));
+            }
+            return lastDeclined;
+        }, node);
+    }
+
+    public static List<CheckedSchematic> getLastDeclined(UUID uuid){
+        return getLastDelined(SteamwarUser.get(uuid).getId());
     }
 
     public static List<CheckedSchematic> getLastDelined(int schemOwner){
         return checkHistory.select(rs -> {
             List<CheckedSchematic> history = new ArrayList<>();
             while(rs.next())
-                history.add(new CheckedSchematic(rs.getString("SchemName"), schemOwner, rs.getInt("Validator"), rs.getTimestamp("StartTime"), rs.getTimestamp("EndTime"), rs.getString("DeclineReason")));
+                history.add(new CheckedSchematic(rs.getInt("NodeId"), rs.getInt("Validator"), rs.getTimestamp("StartTime"), rs.getTimestamp("EndTime"), rs.getString("DeclineReason")));
             return history;
         }, schemOwner);
     }
 
-    public String getSchemName() {
-        return schemName;
-    }
-
-    public int getSchemOwner() {
-        return schemOwner;
-    }
-
     public int getValidator() {
         return validator;
     }
@@ -81,4 +91,16 @@ public class CheckedSchematic {
     public String getDeclineReason() {
         return declineReason;
     }
+
+    public int getNode() {
+        return node;
+    }
+
+    public String getSchemName() {
+        return SchematicNode.getSchematicNode(node).getName();
+    }
+
+    public int getSchemOwner() {
+        return SchematicNode.getSchematicNode(node).getId();
+    }
 }

SpigotCore_Main/src/de/steamwar/sql/DownloadSchematic.java

@@ -19,30 +19,11 @@
 
 package de.steamwar.sql;
 
-import com.google.common.io.BaseEncoding;
-
-import java.security.MessageDigest;
-import java.security.NoSuchAlgorithmException;
-import java.time.Instant;
-
 public class DownloadSchematic {
     private DownloadSchematic(){}
 
-    private static final SQL.Statement createLink = new SQL.Statement("INSERT INTO SchemDownload (SchemID, Link) VALUES (?, ?) ON DUPLICATE KEY UPDATE Link = VALUES(Link)");
+    @Deprecated
-
-    private static final String BASE = "https://steamwar.de/download.php?schem=";
-
     public static String getLink(Schematic schem){
-        MessageDigest digest;
+        return NodeDownload.getLink(schem.getNode());
-        try {
-            digest = MessageDigest.getInstance("SHA-1");
-        } catch (NoSuchAlgorithmException e) {
-            throw new SecurityException(e);
-        }
-        digest.reset();
-        digest.update((Instant.now().toString() + schem.getSchemOwner() + schem.getSchemID()).getBytes());
-        String hash = BaseEncoding.base16().encode(digest.digest());
-        createLink.update(schem.getSchemID(), hash);
-        return BASE + hash;
     }
 }

SpigotCore_Main/src/de/steamwar/sql/Elo.java

@@ -28,7 +28,7 @@ public class Elo {
     public static int getElo(int userId, String gameMode){
         return get.select(rs -> {
             if(rs.next())
-                return rs.getInt("id");
+                return rs.getInt("Elo");
             return 1000;
         }, userId, gameMode);
     }

SpigotCore_Main/src/de/steamwar/sql/NodeDownload.java

@@ -0,0 +1,49 @@
+/*
+ * 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 com.google.common.io.BaseEncoding;
+
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.time.Instant;
+
+public class NodeDownload {
+
+    private static final SQL.Statement createLink = new SQL.Statement("INSERT INTO NodeDownload (NodeId, Link) VALUES (?, ?) ON DUPLICATE KEY UPDATE Link = VALUES(Link)");
+
+    private static final String BASE = "https://steamwar.de/download.php?schem=";
+
+    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 = BaseEncoding.base16().encode(digest.digest());
+        createLink.update(schem.getId(), hash);
+        return BASE + hash;
+    }
+}

SpigotCore_Main/src/de/steamwar/sql/NodeMember.java

@@ -0,0 +1,85 @@
+/*
+ *    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.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.HashSet;
+import java.util.Set;
+
+public class NodeMember {
+
+    private static final SQL.Statement getNodeMember = new SQL.Statement("SELECT * FROM NodeMember WHERE NodeId = ? AND UserId = ?");
+    private static final SQL.Statement getNodeMembers = new SQL.Statement("SELECT * FROM NodeMember WHERE NodeId = ?");
+    private static final SQL.Statement getSchematics = new SQL.Statement("SELECT * FROM NodeMember WHERE UserId = ?");
+    private static final SQL.Statement createNodeMember = new SQL.Statement("INSERT INTO NodeMember (NodeId, UserId) VALUES (?, ?)");
+    private static final SQL.Statement deleteNodeMember = new SQL.Statement("DELETE FROM NodeMember WHERE NodeId = ? AND UserId = ?");
+
+    public static NodeMember getNodeMember(int node, int member) {
+        return getNodeMember.select(rs -> {
+            if(!rs.next())
+                return null;
+            return new NodeMember(rs);
+        }, node, member);
+    }
+
+    public static Set<NodeMember> getNodeMembers(int node) {
+        return getNodeMembers.select(rs -> {
+            Set<NodeMember> members = new HashSet<>();
+            while (rs.next())
+                members.add(new NodeMember(rs));
+            return members;
+        }, node);
+    }
+
+    public static Set<NodeMember> getSchematics(int member) {
+        return getSchematics.select(rs -> {
+            Set<NodeMember> members = new HashSet<>();
+            while (rs.next())
+                members.add(new NodeMember(rs));
+            return members;
+        }, member);
+    }
+
+    public static NodeMember createNodeMember(int node, int member) {
+        createNodeMember.update(node, member);
+        return getNodeMember(node, member);
+    }
+
+    final int node;
+    final int member;
+
+    private NodeMember(ResultSet set) throws SQLException {
+        node = set.getInt("NodeId");
+        member = set.getInt("UserId");
+    }
+
+    public int getNode() {
+        return node;
+    }
+
+    public int getMember() {
+        return member;
+    }
+
+    public void delete() {
+        deleteNodeMember.update(node, member);
+    }
+}

SpigotCore_Main/src/de/steamwar/sql/SQL.java

@@ -19,6 +19,7 @@
 
 package de.steamwar.sql;
 
+import com.mysql.jdbc.exceptions.jdbc4.CommunicationsException;
 import de.steamwar.core.Core;
 import org.bukkit.configuration.file.YamlConfiguration;
 
@@ -33,27 +34,27 @@ public class SQL {
 	private SQL(){}
 
 	private static Connection con;
-	private static String url;
+	private static final String URL;
-	private static String user;
+	private static final String USER;
-	private static String password;
+	private static final String PASSWORD;
 
-	static{
+	static {
 		File file = new File(Core.getInstance().getDataFolder(), "MySQL.yml");
 		YamlConfiguration config = YamlConfiguration.loadConfiguration(file);
 
 		if(!file.exists())
 			throw new SecurityException("SQL-ConfigFile not found!");
 
-		url = "jdbc:mysql://" + config.getString("HOST") + ":" + config.getString("PORT") + "/" + config.getString("DATABASE");
+		URL = "jdbc:mysql://" + config.getString("HOST") + ":" + config.getString("PORT") + "/" + config.getString("DATABASE");
-		user = config.getString("USER");
+		USER = config.getString("USER");
-		password = config.getString("PASSWORD");
+		PASSWORD = config.getString("PASSWORD");
 
 		connect();
 	}
 
 	private static void connect() {
 		try {
-			con = DriverManager.getConnection(url + "?autoReconnect=true&useServerPrepStmts=true", user, password);
+			con = DriverManager.getConnection(URL + "?useServerPrepStmts=true", USER, PASSWORD);
 		} catch (SQLException e) {
 			throw new SecurityException("Could not start SQL connection", e);
 		}
@@ -95,7 +96,8 @@ public class SQL {
 			return false;
 		}
 	}
-	
+
+	@Deprecated
 	static void update(String qry, Object... objects) {
 		try {
 			prepare(qry, objects).executeUpdate();
@@ -105,7 +107,8 @@ public class SQL {
 		}
 	}
 
-	static ResultSet select(String qry, Object... objects){
+	@Deprecated
+	static ResultSet select(String qry, Object... objects) {
 		try {
 			return prepare(qry, objects).executeQuery();
 		} catch (SQLException e) {
@@ -114,7 +117,8 @@ public class SQL {
 		}
 	}
 
-	static Blob blob(){
+	@Deprecated
+	static Blob blob() {
 		try {
 			return con.createBlob();
 		} catch (SQLException e) {
@@ -123,7 +127,8 @@ public class SQL {
 		}
 	}
 
-	private static PreparedStatement prepare(String qry, Object... objects) throws SQLException{
+	@Deprecated
+	private static PreparedStatement prepare(String qry, Object... objects) throws SQLException {
 		PreparedStatement st = con.prepareStatement(qry);
 		for(int i = 0; i < objects.length; i++){
 			st.setObject(i+1, objects[i]);
@@ -166,10 +171,15 @@ public class SQL {
 
 		private synchronized <T> T prepare(SQLRunnable<T> runnable, Object... objects) {
 			try {
-				setObjects(objects);
+				try {
-				return runnable.run();
+					setObjects(objects);
+					return runnable.run();
+				} catch (CommunicationsException e) {
+					reset();
+					setObjects(objects);
+					return runnable.run();
+				}
 			} catch (SQLException e) {
-				reset();
 				throw new SecurityException("Could not execute SQL statement", e);
 			}
 		}

SpigotCore_Main/src/de/steamwar/sql/Schematic.java

@@ -1,6 +1,6 @@
-/* 
+/*
     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
@@ -26,232 +26,172 @@ import org.bukkit.entity.Player;
 
 import java.io.IOException;
 import java.io.InputStream;
-import java.sql.Blob;
-import java.sql.ResultSet;
-import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.UUID;
-import java.util.zip.GZIPInputStream;
 
+@Deprecated
 public class Schematic {
 
-	private static final SQL.Statement getSchemsOfType = new SQL.Statement("SELECT DISTINCT s.SchemID, s.SchemName, s.SchemOwner, s.Item, s.SchemType, s.Rank, s.SchemFormat FROM Schematic s LEFT JOIN SchemMember sm ON sm.SchemName = s.SchemName AND sm.SchemOwner = s.SchemOwner WHERE s.SchemType = ? AND (s.SchemOwner = ? OR sm.Member = ?) ORDER BY s.SchemName");
+    private static final SQL.Statement getSchemsOfType = new SQL.Statement("SELECT DISTINCT s.SchemID, s.SchemName, s.SchemOwner, s.Item, s.SchemType, s.Rank, s.SchemFormat FROM Schematic s LEFT JOIN SchemMember sm ON sm.SchemName = s.SchemName AND sm.SchemOwner = s.SchemOwner WHERE s.SchemType = ? AND (s.SchemOwner = ? OR sm.Member = ?) ORDER BY s.SchemName");
 
-	private final int schemID;
+    private final SchematicNode node;
-	private final String schemName;
-	private final int schemOwner;
-	private boolean schemFormat;
-	private String item;
-	private int rank;
-	private SchematicType schemType;
 
-	private Schematic(ResultSet rs) throws SQLException {
+    private Schematic(SchematicNode node) {
-		this.schemID = rs.getInt("SchemID");
+        this.node = node;
-		this.schemName = rs.getString("SchemName");
+    }
-		this.schemOwner = rs.getInt("SchemOwner");
-		this.item = rs.getString("Item");
-		this.rank = rs.getInt("Rank");
-		this.schemType = SchematicType.fromDB(rs.getString("SchemType"));
-		this.schemFormat = rs.getBoolean("SchemFormat");
-	}
 
-	private void updateDB(){
+    public static Schematic wrap(SchematicNode node) {
-		createSchem(schemName, schemOwner, item, schemType);
+        return new Schematic(node);
-	}
+    }
 
-	public static void createSchem(String schemName, UUID schemOwner, String item, SchematicType schemType){
+    public static void createSchem(String schemName, UUID schemOwner, String item, SchematicType schemType){
-		createSchem(schemName, SteamwarUser.get(schemOwner).getId(), item, schemType);
+        createSchem(schemName, SteamwarUser.get(schemOwner).getId(), item, schemType);
-	}
+    }
 
-	public static void createSchem(String schemName, int schemOwner, String item, SchematicType schemType){
+    public static void createSchem(String schemName, int schemOwner, String item, SchematicType schemType){
-		SQL.update("INSERT INTO Schematic (SchemName, SchemOwner, Item, SchemType) VALUES (?, ?, ?, ?) ON DUPLICATE KEY UPDATE Item = VALUES(Item), SchemType = VALUES(SchemType)",
+        SchematicNode.createSchematicNode(schemOwner, schemName, null, schemType.toDB(), item);
-				schemName, schemOwner, item, schemType.toDB());
+    }
-	}
 
-	public static Schematic getSchemFromDB(String schemName, UUID schemOwner){
+    public static Schematic getSchemFromDB(String schemName, UUID schemOwner){
-		return getSchemFromDB(schemName, SteamwarUser.get(schemOwner).getId());
+        return getSchemFromDB(schemName, SteamwarUser.get(schemOwner).getId());
-	}
+    }
 
-	public static Schematic getSchemFromDB(String schemName, int schemOwner){
+    public static Schematic getSchemFromDB(String schemName, int schemOwner){
-		ResultSet schematic = SQL.select("SELECT SchemID, SchemName, SchemOwner, Item, SchemType, Rank, SchemFormat FROM Schematic WHERE SchemName = ? AND SchemOwner = ?", schemName, schemOwner);
+        SchematicNode node = SchematicNode.getSchematicNode(schemOwner, schemName, 0);
-		try {
+        if(node != null) {
-			if(schematic == null || !schematic.next()){
+            return new Schematic(node);
-				SchematicMember member = SchematicMember.getMemberBySchematic(schemName, schemOwner);
+        }
-				if(member == null){
+        return null;
-					return null;
+    }
-				}
-				return getSchemFromDB(schemName, member.getSchemOwner());
-			}
-			return new Schematic(schematic);
-		} catch (SQLException e) {
-			throw new SecurityException("Failed loading schematic", e);
-		}
-	}
 
-	public static Schematic getSchemFromDB(int schemID){
+    public static Schematic getSchemFromDB(int schemID){
-		ResultSet schematic = SQL.select("SELECT SchemID, SchemName, SchemOwner, Item, SchemType, Rank, SchemFormat FROM Schematic WHERE SchemID = ?", schemID);
+        SchematicNode node = SchematicNode.getSchematicNode(schemID);
-		try {
+        if(node != null) {
-			if(!schematic.next())
+            return new Schematic(node);
-				throw new SecurityException("Failed loading schematic " + schemID);
+        } else {
-			return new Schematic(schematic);
+            throw new SecurityException("Failed to load Schematics");
-		} catch (SQLException e) {
+        }
-			throw new SecurityException("Failed loading schematic", e);
+    }
-		}
-	}
 
-	public static List<Schematic> getSchemsAccessibleByUser(UUID schemOwner){
+    public static List<Schematic> getSchemsAccessibleByUser(UUID schemOwner){
-		return getSchemsAccessibleByUser(SteamwarUser.get(schemOwner).getId());
+        return getSchemsAccessibleByUser(SteamwarUser.get(schemOwner).getId());
-	}
+    }
 
-	public static List<Schematic> getSchemsAccessibleByUser(int schemOwner){
+    public static List<Schematic> getSchemsAccessibleByUser(int schemOwner){
-		try{
+        List<Schematic> schematics = new ArrayList<>();
-			ResultSet schematic = SQL.select("SELECT DISTINCT s.SchemID, s.SchemName, s.SchemOwner, s.Item, s.SchemType, s.Rank, s.SchemFormat FROM Schematic s LEFT JOIN SchemMember sm ON sm.SchemName = s.SchemName AND sm.SchemOwner = s.SchemOwner WHERE s.SchemOwner = ? OR sm.Member = ? ORDER BY s.SchemName", schemOwner, schemOwner);
+        SchematicNode.getSchematicsAccessibleByUser(schemOwner, null)
-			List<Schematic> schematics = new ArrayList<>();
+                .forEach(node1 -> {
-			while(schematic.next())
+                    if (!node1.isDir()) schematics.add(new Schematic(node1));
-				schematics.add(new Schematic(schematic));
+                });
-			return schematics;
+        return schematics;
-		}catch(SQLException e){
+    }
-			throw new SecurityException("Failed listing schematics", e);
-		}
-	}
 
-	public static List<Schematic> getSchemsOfType(UUID schemOwner, SchematicType schemType){
+    public static List<Schematic> getSchemsOfType(UUID schemOwner, SchematicType schemType){
-		return getSchemsOfType(SteamwarUser.get(schemOwner).getId(), schemType);
+        return getSchemsOfType(SteamwarUser.get(schemOwner).getId(), schemType);
-	}
+    }
 
-	public static List<Schematic> getSchemsOfType(int schemOwner, SchematicType schemType){
+    public static List<Schematic> getSchemsOfType(int schemOwner, SchematicType schemType){
-		return getSchemsOfType.select(rs -> {
+        List<Schematic> schematics = new ArrayList<>();
-			List<Schematic> schematics = new ArrayList<>();
+        SchematicNode.getAllAccessibleSchematicsOfType(schemOwner, schemType.toDB())
-			while(rs.next())
+                .forEach(node1 -> {
-				schematics.add(new Schematic(rs));
+                    if (!node1.isDir()) schematics.add(new Schematic(node1));
-			return schematics;
+                });
-		}, schemType.toDB(), schemOwner, schemOwner);
+        return schematics;
-	}
+    }
 
-	public static List<Schematic> getAllSchemsOfType(SchematicType schemType){
+    public static List<Schematic> getAllSchemsOfType(SchematicType schemType){
-		try{
+        List<Schematic> schematics = new ArrayList<>();
-			ResultSet schematic = SQL.select("SELECT SchemID, SchemName, SchemOwner, Item, SchemType, Rank, SchemFormat FROM Schematic WHERE SchemType = ?", schemType.toDB());
+        SchematicNode.getAllSchematicsOfType(schemType.toDB())
-			List<Schematic> schematics = new ArrayList<>();
+                .forEach(node1 -> schematics.add(new Schematic(node1)));
-			while(schematic.next()){
+        return schematics;
-				schematics.add(new Schematic(schematic));
+    }
-			}
-			return schematics;
-		}catch(SQLException e){
-			throw new SecurityException("Failed loading all schems of type", e);
-		}
-	}
 
-	public int getSchemID() {
+    public int getSchemID() {
-		return schemID;
+        return node.getId();
-	}
+    }
 
-	public String getSchemName() {
+    public String getSchemName() {
-		return schemName;
+        return node.getName();
-	}
+    }
 
-	public int getSchemOwner() {
+    public int getSchemOwner() {
-		return schemOwner;
+        return node.getOwner();
-	}
+    }
 
-	public int getRank(){
+    public int getRank(){
-		return rank;
+        return node.getRank();
-	}
+    }
 
-	public String getItem() {
+    public String getItem() {
-		return item;
+        return node.getItem();
-	}
+    }
 
-	public void setItem(String item) {
+    public void setItem(String item) {
-		this.item = item;
+        node.setItem(item);
-		updateDB();
+    }
-	}
 
-	public void setRank(int rank){
+    public void setRank(int rank){
-		this.rank = rank;
+        node.setRank(rank);
-		SQL.update("UPDATE Schematic SET Rank = ? WHERE SchemID = ?", rank, schemID);
+    }
-	}
 
-	public SchematicType getSchemType() {
+    public SchematicType getSchemType() {
-		return schemType;
+        return node.getSchemtype();
-	}
+    }
 
-	public void setSchemType(SchematicType schemType) {
+    public void setSchemType(SchematicType schemType) {
-		this.schemType = schemType;
+        node.setType(schemType.toDB());
-		updateDB();
+    }
-	}
 
-	public boolean availible(){
+    public boolean availible(){
-		return true;
+        return true;
-	}
+    }
 
-	public InputStream schemData() throws IOException {
+    public InputStream schemData() throws IOException {
-		ResultSet rs = SQL.select("SELECT SchemData FROM Schematic WHERE SchemID = ?", schemID);
+        return node.schemData();
-		try {
+    }
-			rs.next();
-			Blob schemData = rs.getBlob("SchemData");
-			if(schemData == null)
-				throw new IOException("SchemData is null");
-			return new GZIPInputStream(schemData.getBinaryStream());
-		} catch (SQLException e) {
-			throw new IOException(e);
-		}
-	}
 
-	public static Clipboard clipboardFromStream(InputStream is, boolean schemFormat) {
+    public static Clipboard clipboardFromStream(InputStream is, boolean schemFormat) {
-		try {
+        try {
-			return WorldEditWrapper.impl.getClipboard(is, schemFormat);
+            return WorldEditWrapper.impl.getClipboard(is, schemFormat);
-		} catch (IOException e) {
+        } catch (IOException e) {
-			throw new SecurityException("Could not read schem", e);
+            throw new SecurityException("Could not read schem", e);
-		}
+        }
-	}
+    }
 
-	public Clipboard load() throws IOException, NoClipboardException {
+    public Clipboard load() throws IOException, NoClipboardException {
-		return clipboardFromStream(schemData(), schemFormat);
+        return clipboardFromStream(schemData(), node.getSchemFormat());
-	}
+    }
 
-	public void loadToPlayer(Player player) throws IOException, NoClipboardException {
+    public void loadToPlayer(Player player) throws IOException, NoClipboardException {
-		InputStream is = schemData();
+        InputStream is = schemData();
-		WorldEditWrapper.impl.setPlayerClipboard(player, is, schemFormat);
+        WorldEditWrapper.impl.setPlayerClipboard(player, is, node.getSchemFormat());
-	}
+    }
 
-	public void saveOldFormatFromPlayer(Player player) throws IOException, NoClipboardException {
+    public void saveOldFormatFromPlayer(Player player) throws IOException, NoClipboardException {
-		saveFromPlayer(player, false);
+        saveFromPlayer(player, false);
-	}
+    }
 
-	public void saveFromPlayer(Player player) throws IOException, NoClipboardException {
+    public void saveFromPlayer(Player player) throws IOException, NoClipboardException {
-		saveFromPlayer(player, Core.getVersion() > 12);
+        saveFromPlayer(player, Core.getVersion() > 12);
-	}
+    }
 
-	public void saveFromBytes(byte[] bytes, boolean newFormat) {
+    public void saveFromBytes(byte[] bytes, boolean newFormat) {
-		Blob blob = SQL.blob();
+        node.saveFromBytes(bytes, newFormat);
-		try {
+    }
-			blob.setBytes(1, bytes);
-			updateDatabase(blob, newFormat);
-		} catch (SQLException e) {
-			throw new SecurityException(e);
-		}
-	}
 
-	private void saveFromPlayer(Player player, boolean newFormat) throws IOException, NoClipboardException {
+    private void saveFromPlayer(Player player, boolean newFormat) throws IOException, NoClipboardException {
-		Blob blob = SQL.blob();
+        node.saveFromPlayer(player, newFormat);
-		try {
+    }
-			blob.setBytes(1, WorldEditWrapper.impl.getPlayerClipboard(player, newFormat));
-		} catch (SQLException e) {
-			throw new SecurityException(e.getMessage(), e);
-		}
-		updateDatabase(blob, newFormat);
-	}
 
-	private void updateDatabase(Blob blob, boolean newFormat) {
+    public void remove(){
-		SQL.update("UPDATE Schematic SET SchemData = ?, SchemFormat = ? WHERE SchemID = ?", blob, newFormat, schemID);
+        node.delete();
-		schemFormat = newFormat;
+    }
-	}
 
-	public void remove(){
+    public SchematicNode getNode() {
-		SQL.update("DELETE FROM SchemMember WHERE SchemOwner = ? AND SchemName = ?", schemOwner, schemName);
+        return node;
-		SQL.update("DELETE FROM Schematic WHERE SchemOwner = ? AND SchemName = ?", schemOwner, schemName);
+    }
-	}
 
-	public static class WrongVersionException extends Exception{}
+    @Deprecated
+    public static class WrongVersionException extends Exception{}
 }

SpigotCore_Main/src/de/steamwar/sql/SchematicMember.java

@@ -1,134 +1,96 @@
-/* 
+/*
     This file is a part of the SteamWar software.
-    
-    Copyright (C) 2020  SteamWar.de-Serverteam
 
+    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.sql.ResultSet;
-import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Optional;
 import java.util.UUID;
 
+@Deprecated
 public class SchematicMember {
-	private final int schemOwner;
-	private final String schemName;
-	private final int member;
 
-	private SchematicMember(String schemName, int schemOwner, int schemMember, boolean updateDB){
+    private final NodeMember member;
-		this.schemOwner = schemOwner;
-		member = schemMember;
-		this.schemName = schemName;
-		if(updateDB)
-			updateDB();
-	}
 
-	public SchematicMember(String schemName, int schemOwner, int schemMember){
+    private SchematicMember(NodeMember member){
-		this(schemName, schemOwner, schemMember, true);
+        this.member = member;
-	}
+    }
 
-	public SchematicMember(String schemName, UUID schemOwner, UUID schemMember){
+    public SchematicMember(String schemName, int schemOwner, int schemMember){
-		this(schemName, SteamwarUser.get(schemOwner).getId(), SteamwarUser.get(schemMember).getId(), true);
+        this(NodeMember.createNodeMember(Schematic.getSchemFromDB(schemName, schemOwner).getSchemID(), schemMember));
-	}
+    }
 
-	private void updateDB(){
+    public SchematicMember(String schemName, UUID schemOwner, UUID schemMember){
-		SQL.update("INSERT INTO SchemMember (SchemName, SchemOwner, Member) VALUES (?, ?, ?)", schemName, schemOwner, member);
+        this(NodeMember.createNodeMember(Schematic.getSchemFromDB(schemName, schemOwner).getSchemID(), SteamwarUser.get(schemMember).getId()));
-	}
+    }
 
-	public static SchematicMember getSchemMemberFromDB(String schemName, UUID schemOwner, UUID schemMember){
+    public static SchematicMember getSchemMemberFromDB(String schemName, UUID schemOwner, UUID schemMember){
-		return getSchemMemberFromDB(schemName, SteamwarUser.get(schemOwner).getId(), SteamwarUser.get(schemMember).getId());
+        return getSchemMemberFromDB(schemName, SteamwarUser.get(schemOwner).getId(), SteamwarUser.get(schemMember).getId());
-	}
+    }
 
-	public static SchematicMember getSchemMemberFromDB(String schemName, int schemOwner, int schemMember){
+    public static SchematicMember getSchemMemberFromDB(String schemName, int schemOwner, int schemMember){
-		ResultSet schematicMember = SQL.select("SELECT * FROM SchemMember WHERE SchemName = ? AND SchemOwner = ? AND Member = ?", schemName, schemOwner, schemMember);
+        NodeMember member = NodeMember.getNodeMember(Schematic.getSchemFromDB(schemName, schemOwner).getSchemID(), schemMember);
-		try {
+        if(member == null) {
-			if(schematicMember == null || !schematicMember.next()){
+            return null;
-				return null;
+        }
-			}
+        return new SchematicMember(member);
-			return new SchematicMember(schemName, schemOwner, schemMember, false);
+    }
-		} catch (SQLException e) {
-			throw new SecurityException("Could not get schemmember", e);
-		}
-	}
 
-	public static SchematicMember getMemberBySchematic(String schemName, int schemMember){
+    public static SchematicMember getMemberBySchematic(String schemName, int schemMember){
-		ResultSet schematicMember = SQL.select("SELECT * FROM SchemMember WHERE SchemName = ? AND Member = ?", schemName, schemMember);
+        Optional<NodeMember> nodeMember = NodeMember.getSchematics(schemMember)
-		try {
+                .stream().filter(member1 -> SchematicNode.getSchematicNode(member1.getNode()).getName().equalsIgnoreCase(schemName)).findFirst();
-			if(schematicMember == null || !schematicMember.next()){
+        return nodeMember.map(SchematicMember::new).orElse(null);
-				return null;
+    }
-			}
-			int schemOwner = schematicMember.getInt("SchemOwner");
-			return new SchematicMember(schemName, schemOwner, schemMember, false);
-		} catch (SQLException e) {
-			throw new SecurityException("Could not get member", e);
-		}
-	}
 
-	public static List<SchematicMember> getSchemMembers(String schemName, UUID schemOwner){
+    public static List<SchematicMember> getSchemMembers(String schemName, UUID schemOwner){
-		return getSchemMembers(schemName, SteamwarUser.get(schemOwner).getId());
+        return getSchemMembers(schemName, SteamwarUser.get(schemOwner).getId());
-	}
+    }
 
-	public static List<SchematicMember> getSchemMembers(String schemName, int schemOwner){
+    public static List<SchematicMember> getSchemMembers(String schemName, int schemOwner){
-		ResultSet schematicMember = SQL.select("SELECT * FROM SchemMember WHERE SchemName = ? AND SchemOwner = ?", schemName, schemOwner);
+        List<SchematicMember> members = new ArrayList<>();
-		try {
+        NodeMember.getNodeMembers(Schematic.getSchemFromDB(schemName, schemOwner).getSchemID())
-			List<SchematicMember> schematicMembers = new ArrayList<>();
+                .forEach(member1 -> members.add(new SchematicMember(member1)));
-			while(schematicMember.next()){
+        return members;
-				int schemMember = schematicMember.getInt("Member");
+    }
-				schematicMembers.add(new SchematicMember(schemName, schemOwner, schemMember, false));
-			}
-			return schematicMembers;
-		} catch (SQLException e) {
-			throw new SecurityException("Could not get schemmembers", e);
-		}
-	}
 
-	public static List<SchematicMember> getAccessibleSchems(UUID schemMember){
+    public static List<SchematicMember> getAccessibleSchems(UUID schemMember){
-		return getAccessibleSchems(SteamwarUser.get(schemMember).getId());
+        return getAccessibleSchems(SteamwarUser.get(schemMember).getId());
-	}
+    }
 
-	public static List<SchematicMember> getAccessibleSchems(int schemMember){
+    public static List<SchematicMember> getAccessibleSchems(int schemMember){
-		ResultSet schematicMember = SQL.select("SELECT * FROM SchemMember WHERE Member = ?", schemMember);
+        List<SchematicMember> members = new ArrayList<>();
-		try {
+        NodeMember.getSchematics(schemMember)
-			List<SchematicMember> schematicMembers = new ArrayList<>();
+                .forEach(member1 -> members.add(new SchematicMember(member1)));
-			while(schematicMember.next()){
+        return members;
-				String schemName = schematicMember.getString("SchemName");
+    }
-				int schemOwner = schematicMember.getInt("SchemOwner");
-				schematicMembers.add(new SchematicMember(schemName, schemOwner, schemMember, false));
-			}
-			return schematicMembers;
-		} catch (SQLException e) {
-			throw new SecurityException("Could not get accessible schems", e);
-		}
-	}
 
-	public int getSchemOwner() {
+    public int getSchemOwner() {
-		return schemOwner;
+        return SchematicNode.getSchematicNode(member.getNode()).getOwner();
-	}
+    }
 
-	public String getSchemName() {
+    public String getSchemName() {
-		return schemName;
+        return SchematicNode.getSchematicNode(member.getNode()).getName();
-	}
+    }
 
-	public int getMember() {
+    public int getMember() {
-		return member;
+        return member.getMember();
-	}
+    }
 
-	public void remove(){
+    public void remove(){
-		SQL.update("DELETE FROM SchemMember WHERE SchemOwner = ? AND SchemName = ? AND Member = ?", schemOwner, schemName, member);
+        member.delete();
-	}
+    }
 }

SpigotCore_Main/src/de/steamwar/sql/SchematicNode.java

@@ -0,0 +1,529 @@
+/*
+ *    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 com.sk89q.worldedit.extent.clipboard.Clipboard;
+import de.steamwar.core.Core;
+import de.steamwar.core.VersionedCallable;
+import de.steamwar.core.VersionedRunnable;
+import de.steamwar.core.WorldEditWrapper;
+import org.bukkit.entity.Player;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.sql.Blob;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Timestamp;
+import java.time.Instant;
+import java.util.*;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.function.Predicate;
+import java.util.zip.GZIPInputStream;
+
+public class SchematicNode {
+
+    private static final SQL.Statement createNode = new SQL.Statement("INSERT INTO SchematicNode (NodeName, NodeOwner, ParentNode, NodeType, NodeItem) VALUES (?, ?, ?, ?, ?) ON DUPLICATE KEY UPDATE NodeName = VALUES(NodeName), ParentNode = VALUES(ParentNode), NodeItem = VALUES(NodeItem), NodeType = VALUES(NodeType), NodeItem = VALUES(NodeItem)");
+    private static final SQL.Statement getSchematicNode_Null = new SQL.Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeOwner = ? AND NodeName = ? AND ParentNode is NULL");
+    private static final SQL.Statement getSchematicNode = new SQL.Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeOwner = ? AND NodeName = ? AND ParentNode = ?");
+    private static final SQL.Statement getSchematicsInNode_Null = new SQL.Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE ParentNode is NULL");
+    private static final SQL.Statement getSchematicsInNode = new SQL.Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE ParentNode = ?");
+    private static final SQL.Statement getDirsInNode_Null = new SQL.Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE ParentNode is NULL AND NodeType is NULL");
+    private static final SQL.Statement getDirsInNode = new SQL.Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE ParentNode = ? AND NodeType is NULL");
+    private static final SQL.Statement getSchematicDirectory_Null = new SQL.Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeName = ? AND ParentNode is NULL");
+    private static final SQL.Statement getSchematicDirectory = new SQL.Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeName = ? AND ParentNode = ?");
+    private static final SQL.Statement getSchematicNodeO_Null = new SQL.Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeName = ? AND ParentNode is NULL");
+    private static final SQL.Statement getSchematicNodeO = new SQL.Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeName = ? AND ParentNode = ?");
+    private static final SQL.Statement getSchematicNodeId = new SQL.Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeId = ?");
+    private static final SQL.Statement getAllSchemsOfTypeOwner = new SQL.Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeOwner = ? AND NodeType = ?");
+    private static final SQL.Statement getAllSchemsOfType = new SQL.Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeType = ?");
+    private static final SQL.Statement getAccessibleByUser = new SQL.Statement("SELECT s.NodeId, s.NodeName, s.NodeOwner, s.NodeItem, s.NodeType, s.ParentNode, s.NodeRank, s.NodeFormat, s.LastUpdate FROM SchematicNode s LEFT JOIN NodeMember n ON s.NodeId = n.NodeId WHERE (s.NodeOwner = ? OR n.UserId = ?) AND ((s.NodeOwner = ? AND s.ParentNode IS NULL) OR NOT s.NodeOwner = ?) GROUP BY s.NodeId ORDER BY s.NodeName");
+    private static final SQL.Statement getAccessibleByUserByTypeInNode = new SQL.Statement("WITH RECURSIVE RSNB AS (WITH RECURSIVE RSN as (SELECT s.NodeId, s.NodeName, s.NodeOwner, s.NodeItem, s.NodeType, s.ParentNode, s.NodeRank, s.NodeFormat, s.LastUpdate FROM SchematicNode s LEFT JOIN NodeMember n ON s.NodeId = n.NodeId WHERE (s.NodeOwner = ? OR n.UserId = ?) GROUP BY s.NodeId union select SN.NodeId, SN.NodeName, SN.NodeOwner, SN.NodeItem, SN.NodeType, SN.ParentNode, SN.NodeRank, SN.NodeFormat, SN.LastUpdate FROM SchematicNode AS SN, RSN WHERE SN.ParentNode = RSN.NodeId) SELECT * FROM RSN WHERE NodeType = ? union select SN.NodeId, SN.NodeName, SN.NodeOwner, SN.NodeItem, SN.NodeType, SN.ParentNode, SN.NodeRank, SN.NodeFormat, SN.LastUpdate FROM SchematicNode AS SN, RSNB WHERE SN.NodeId = RSNB.ParentNode)SELECT * FROM RSNB WHERE ParentNode = ?");
+    private static final SQL.Statement getAccessibleByUserByTypeInNode_Null = new SQL.Statement("WITH RECURSIVE RSNB AS (WITH RECURSIVE RSN as (SELECT s.NodeId, s.NodeName, s.NodeOwner, s.NodeItem, s.NodeType, s.ParentNode, s.NodeRank, s.NodeFormat, s.LastUpdate FROM SchematicNode s LEFT JOIN NodeMember n ON s.NodeId = n.NodeId WHERE (s.NodeOwner = ? OR n.UserId = ?) GROUP BY s.NodeId union select SN.NodeId, SN.NodeName, SN.NodeOwner, SN.NodeItem, SN.NodeType, SN.ParentNode, SN.NodeRank, SN.NodeFormat, SN.LastUpdate FROM SchematicNode AS SN, RSN WHERE SN.ParentNode = RSN.NodeId) SELECT * FROM RSN WHERE NodeType = ? union select SN.NodeId, SN.NodeName, SN.NodeOwner, SN.NodeItem, SN.NodeType, SN.ParentNode, SN.NodeRank, SN.NodeFormat, SN.LastUpdate FROM SchematicNode AS SN, RSNB WHERE SN.NodeId = RSNB.ParentNode)SELECT * FROM RSNB WHERE ParentNode is null");
+    private static final SQL.Statement getAccessibleByUserByType = new SQL.Statement("WITH RECURSIVE RSN as (SELECT s.NodeId, s.NodeName, s.NodeOwner, s.NodeItem, s.NodeType, s.ParentNode, s.NodeRank, s.NodeFormat, s.LastUpdate FROM SchematicNode s LEFT JOIN NodeMember n ON s.NodeId = n.NodeId WHERE (s.NodeOwner = ? OR n.UserId = ?) GROUP BY s.NodeId union select SN.NodeId, SN.NodeName, SN.NodeOwner, SN.NodeItem, SN.NodeType, SN.ParentNode, SN.NodeRank, SN.NodeFormat, SN.LastUpdate FROM SchematicNode AS SN, RSN WHERE SN.ParentNode = RSN.NodeId) SELECT * FROM RSN WHERE NodeType = ?");
+    private static final SQL.Statement getAllSchematicsAccessibleByUser = new SQL.Statement("WITH RECURSIVE RSN as (SELECT s.NodeId, s.NodeName, s.NodeOwner, s.NodeItem, s.NodeType, s.ParentNode, s.NodeRank, s.NodeFormat, s.LastUpdate FROM SchematicNode s LEFT JOIN NodeMember n ON s.NodeId = n.NodeId WHERE (s.NodeOwner = ? OR n.UserId = ?) GROUP BY s.NodeId union select SN.NodeId, SN.NodeName, SN.NodeOwner, SN.NodeItem, SN.NodeType, SN.ParentNode, SN.NodeRank, SN.NodeFormat, SN.LastUpdate FROM SchematicNode AS SN, RSN WHERE SN.ParentNode = RSN.NodeId) SELECT * FROM RSN");
+    private static final SQL.Statement isSchematicAccessibleForUser = new SQL.Statement("WITH RECURSIVE RSN AS (SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeId = ? union select SN.NodeId, SN.NodeName, SN.NodeOwner, SN.ParentNode, SN.NodeType, SN.NodeItem, SN.NodeRank, SN.NodeFormat, SN.LastUpdate FROM SchematicNode SN, RSN WHERE RSN.ParentNode = SN.NodeId) SELECT COUNT(RSN.NodeId) AS `Accessible` FROM RSN LEFT Join NodeMember NM On NM.NodeId = RSN.NodeId WHERE NodeOwner = ? OR UserId = ? LIMIT 1");
+    private static final SQL.Statement getAllParentsOfNode = new SQL.Statement("WITH RECURSIVE RSN AS (SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeId = ? UNION SELECT SN.NodeId, SN.NodeName, SN.NodeOwner, SN.ParentNode, SN.NodeType, SN.NodeItem, SN.NodeRank, SN.NodeFormat, SN.LastUpdate FROM SchematicNode SN, RSN WHERE RSN.ParentNode = SN.NodeId) SELECT * FROM RSN");
+    private static final SQL.Statement countNodes = new SQL.Statement("SELECT COUNT(NodeId) AS 'count' FROM SchematicNode");
+    private static final SQL.Statement updateDB = new SQL.Statement("UPDATE SchematicNode SET NodeName = ?, NodeOwner = ?, ParentNode = ?, NodeItem = ?, NodeType = ?, NodeRank = ? WHERE NodeId = ?");
+    private static final SQL.Statement updateDatabase = new SQL.Statement("UPDATE SchematicNode SET NodeData = ?, NodeFormat = ? WHERE NodeId = ?");
+    private static final SQL.Statement selSchemData = new SQL.Statement("SELECT NodeData FROM SchematicNode WHERE NodeId = ?");
+    private static final SQL.Statement deleteNode = new SQL.Statement("DELETE FROM SchematicNode WHERE NodeId = ?");
+
+    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;
+        createNode.update(name, owner, parent, type, item);
+        return getSchematicNode(owner, name, parent);
+    }
+
+    private Timestamp lastUpdate;
+
+    public static SchematicNode getSchematicNode(int owner, String name, SchematicNode parent) {
+        return getSchematicNode(owner, name, parent.getId());
+    }
+
+    private SchematicNode(ResultSet set) throws SQLException {
+        id = set.getInt("NodeId");
+        owner = set.getInt("NodeOwner");
+        name = set.getString("NodeName");
+        parent = set.getInt("ParentNode");
+        item = set.getString("NodeItem");
+        type = set.getString("NodeType");
+        lastUpdate = set.getTimestamp("LastUpdate");
+        if (type != null) {
+            isDir = false;
+            rank = set.getInt("NodeRank");
+            schemFormat = set.getBoolean("NodeFormat");
+        } else {
+            isDir = true;
+        }
+    }
+
+    public static List<SchematicNode> getSchematicNodeInNode(SchematicNode parent) {
+        return getSchematicNodeInNode(parent.getId());
+    }
+
+    public static SchematicNode getSchematicDirectory(String name, SchematicNode parent) {
+        return getSchematicDirectory(name, parent.getId());
+    }
+
+    public static SchematicNode getSchematicNode(int owner, String name, Integer parent) {
+        if (parent != null && parent == 0) {
+            parent = null;
+        }
+        SQL.Statement.ResultSetUser<SchematicNode> user = rs -> {
+            while (rs.next()) {
+                SchematicNode node = new SchematicNode(rs);
+                return node;
+            }
+            return null;
+        };
+        if(parent == null) {
+            return getSchematicNode_Null.select(user, owner, name);
+        } else {
+            return getSchematicNode.select(user, owner, name, parent);
+        }
+    }
+
+    public static List<SchematicNode> getSchematicNodeInNode(Integer parent) {
+        if(parent != null && parent == 0)
+            parent = null;
+        SQL.Statement.ResultSetUser<List<SchematicNode>> user = rs -> {
+            List<SchematicNode> nodes = new ArrayList<>();
+            while (rs.next())
+                nodes.add(new SchematicNode(rs));
+            return nodes;
+        };
+        if(parent == null) {
+            return getSchematicsInNode_Null.select(user);
+        }else {
+            return getSchematicsInNode.select(user, parent);
+        }
+    }
+
+    public static List<SchematicNode> getSchematicDirectoryInNode(Integer parent) {
+        if(parent != null && parent == 0)
+            parent = null;
+        SQL.Statement.ResultSetUser<List<SchematicNode>> user = rs -> {
+            List<SchematicNode> nodes = new ArrayList<>();
+            while (rs.next())
+                nodes.add(new SchematicNode(rs));
+            return nodes;
+        };
+        if(parent == null) {
+            return getDirsInNode_Null.select(user);
+        }else {
+            return getDirsInNode.select(user, parent);
+        }
+    }
+
+    public static SchematicNode getSchematicDirectory(String name, Integer parent) {
+        if(parent != null && parent == 0)
+            parent = null;
+        SQL.Statement.ResultSetUser<SchematicNode> user = rs -> {
+            while (rs.next()) {
+                SchematicNode node = new SchematicNode(rs);
+                if(node.isDir())
+                    return node;
+            }
+            return null;
+        };
+
+        if(parent == null) {
+            return getSchematicDirectory_Null.select(user, name);
+        }else {
+            return getSchematicDirectory.select(user, name, parent);
+        }
+    }
+
+    public static SchematicNode getSchematicNode(String name, Integer parent) {
+        if(parent != null && parent == 0)
+            parent = null;
+        SQL.Statement.ResultSetUser<SchematicNode> user = rs -> {
+            while (rs.next()) {
+                return new SchematicNode(rs);
+            }
+            return null;
+        };
+        if(parent == null) {
+            return getSchematicNodeO_Null.select(user, name);
+        }else {
+            return getSchematicNodeO.select(user, name, parent);
+        }
+    }
+
+    public static SchematicNode getSchematicNode(int id) {
+        return getSchematicNodeId.select(rs -> {
+            if (!rs.next())
+                return null;
+            return new SchematicNode(rs);
+        }, id);
+    }
+
+    public static List<SchematicNode> getAccessibleSchematicsOfTypeInParent(int owner, String schemType, Integer parent) {
+        SQL.Statement.ResultSetUser<List<SchematicNode>> user = rs -> {
+            List<SchematicNode> nodes = new ArrayList<>();
+            while (rs.next()) {
+                nodes.add(new SchematicNode(rs));
+            }
+            return nodes;
+        };
+        if(parent == null || parent == 0) {
+            return getAccessibleByUserByTypeInNode_Null.select(user, owner, owner, schemType);
+        } else {
+            return getAccessibleByUserByTypeInNode.select(user, owner, owner, schemType, parent);
+        }
+    }
+
+    public static List<SchematicNode> getAllAccessibleSchematicsOfType(int user, String schemType) {
+        return getAccessibleByUserByType.select(rs -> {
+            List<SchematicNode> nodes = new ArrayList<>();
+            while (rs.next()) {
+                nodes.add(new SchematicNode(rs));
+            }
+            return nodes;
+        }, user, user, schemType);
+    }
+
+    public static List<SchematicNode> getAllSchematicsOfType(int owner, String schemType) {
+        return getAllSchemsOfTypeOwner.select(rs -> {
+            List<SchematicNode> nodes = new ArrayList<>();
+            while (rs.next())
+                nodes.add(new SchematicNode(rs));
+            return nodes;
+        }, owner, schemType);
+    }
+
+    public static List<SchematicNode> getAllSchematicsOfType(String schemType) {
+        return getAllSchemsOfType.select(rs -> {
+            List<SchematicNode> nodes = new ArrayList<>();
+            while (rs.next())
+                nodes.add(new SchematicNode(rs));
+            return nodes;
+        }, 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;
+    }
+
+    public static List<SchematicNode> getSchematicsAccessibleByUser(int user, Integer parent) {
+        if (parent != null && parent != 0) {
+            if(isSchematicAccessibleForUser.select(rs -> {
+                rs.next();
+                return rs.getInt("Accessible") > 0;
+            }, parent, user, user))
+                return getSchematicNodeInNode(parent);
+        } else {
+            return getAccessibleByUser.select(rs -> {
+                List<SchematicNode> nodes = new ArrayList<>();
+                while(rs.next())
+                    nodes.add(new SchematicNode(rs));
+                return nodes;
+            }, user, user, user, user);
+        }
+        return Collections.emptyList();
+    }
+
+    public static List<SchematicNode> getAllSchematicsAccessibleByUser(int user) {
+        return getAllSchematicsAccessibleByUser.select(rs -> {
+            List<SchematicNode> nodes = new ArrayList<>();
+            while(rs.next()) {
+                nodes.add(new SchematicNode(rs));
+            }
+            return nodes;
+        }, user, user);
+    }
+
+    public static List<SchematicNode> getAllParentsOfNode(SchematicNode node) {
+        return getAllParentsOfNode(node.getId());
+    }
+
+    public static List<SchematicNode> getAllParentsOfNode(int node) {
+        return getAllParentsOfNode.select(rs -> {
+            List<SchematicNode> nodes = new ArrayList<>();
+            while(rs.next()) {
+                nodes.add(new SchematicNode(rs));
+            }
+            return nodes;
+        }, node);
+    }
+
+    private final int id;
+    private final int owner;
+    private String name;
+    private Integer parent;
+    private String item;
+    private String type;
+    private boolean schemFormat;
+    private int rank;
+    private final boolean isDir;
+    private Map<Integer, String> brCache = new HashMap<>();
+
+    public static List<SchematicNode> filterSchems(int user, Predicate<SchematicNode> filter) {
+        List<SchematicNode> finalList = new ArrayList<>();
+        List<SchematicNode> nodes = SchematicNode.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 static Integer countNodes() {
+        return countNodes.select(rs -> {
+            if (rs.next()) {
+                return rs.getInt("count");
+            }
+            return 0;
+        });
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public int getOwner() {
+        return owner;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+        updateDB();
+    }
+
+    public Integer getParent() {
+        return parent;
+    }
+
+    public void setParent(Integer parent) {
+        this.parent = parent;
+        updateDB();
+    }
+
+    public String getItem() {
+        return item;
+    }
+
+    public void setItem(String item) {
+        this.item = item;
+        updateDB();
+    }
+
+    public String getType() {
+        if(isDir)
+            throw new SecurityException("Node is Directory");
+        return type;
+    }
+
+    public void setType(String type) {
+        if(isDir)
+            throw new SecurityException("Node is Directory");
+        this.type = type;
+        updateDB();
+    }
+
+    public boolean isDir() {
+        return isDir;
+    }
+
+    public boolean getSchemFormat() {
+        if(isDir)
+            throw new SecurityException("Node is Directory");
+        return schemFormat;
+    }
+
+    public int getRank() {
+        if(isDir)
+            throw new SecurityException("Node is Directory");
+        return rank;
+    }
+
+    public void setRank(int rank) {
+        if(isDir)
+            throw new SecurityException("Node is Directory");
+        this.rank = rank;
+    }
+
+    public SchematicType getSchemtype() {
+        if(isDir())
+            throw new RuntimeException("Is Directory");
+        return SchematicType.fromDB(type);
+    }
+
+    public SchematicNode getParentNode() {
+        return SchematicNode.getSchematicNode(parent);
+    }
+
+    public boolean accessibleByUser(int user) {
+        return NodeMember.getNodeMember(id, user) != null;
+    }
+
+    public Set<NodeMember> getMembers() {
+        return NodeMember.getNodeMembers(id);
+    }
+
+    public Timestamp getLastUpdate() {
+        return lastUpdate;
+    }
+
+    public String generateBreadcrumbs(SteamwarUser user) {
+        return brCache.computeIfAbsent(user.getId(), integer -> generateBreadcrumbs("/", user));
+    }
+
+    public String generateBreadcrumbs(String split, SteamwarUser user) {
+        StringBuilder builder = new StringBuilder(getName());
+        SchematicNode currentNode = this;
+        if (currentNode.isDir()) builder.append("/");
+        while (currentNode.getParentNode() != null) {
+            currentNode = currentNode.getParentNode();
+            builder.insert(0, split)
+                    .insert(0, currentNode.getName());
+            if (currentNode.getMembers().stream().anyMatch(member -> member.getMember() == user.getId())) {
+                break;
+            }
+        }
+        return builder.toString();
+    }
+
+    private void updateDB() {
+        updateDB.update(name, owner, parent, item, type, rank, id);
+        this.lastUpdate = Timestamp.from(Instant.now());
+        this.brCache.clear();
+    }
+
+    public void delete() {
+        if (isDir()) {
+            getSchematicNodeInNode(getId()).forEach(SchematicNode::delete);
+        }
+        deleteNode.update(id);
+    }
+
+    public InputStream schemData() throws IOException {
+        try {
+            return selSchemData.select(rs -> {
+                rs.next();
+                Blob schemData = rs.getBlob("NodeData");
+                if(schemData == null) {
+                    throw new SecurityException("SchemData is null");
+                }
+                try {
+                    return new GZIPInputStream(schemData.getBinaryStream());
+                } catch (IOException e) {
+                    throw new SecurityException("SchemData is wrong", e);
+                }
+            }, id);
+        } catch (Exception e) {
+            throw new IOException(e);
+        }
+    }
+
+    public Clipboard load() throws IOException, NoClipboardException {
+        if(isDir)
+            throw new SecurityException("Node is Directory");
+        return WorldEditWrapper.impl.getClipboard(schemData(), schemFormat);
+    }
+
+    public void loadToPlayer(Player player) throws IOException, NoClipboardException {
+        if(isDir)
+            throw new SecurityException("Node is Directory");
+        WorldEditWrapper.impl.setPlayerClipboard(player, schemData(), schemFormat);
+    }
+
+    public void saveFromPlayer(Player player) throws IOException, NoClipboardException {
+        if(isDir)
+            throw new SecurityException("Node is Directory");
+        saveFromPlayer(player, Core.getVersion() > 12);
+    }
+
+    public void saveFromBytes(byte[] bytes, boolean newFormat) {
+        if(isDir)
+            throw new SecurityException("Node is Directory");
+        updateDatabase(new ByteArrayInputStream(bytes), newFormat);
+    }
+
+    public void saveFromPlayer(Player player, boolean newFormat) throws IOException, NoClipboardException {
+        if(isDir)
+            throw new SecurityException("Node is Directory");
+        updateDatabase(WorldEditWrapper.impl.getPlayerClipboard(player, newFormat), newFormat);
+    }
+
+    private void updateDatabase(InputStream blob, boolean newFormat) {
+        updateDatabase.update(blob, newFormat, id);
+        schemFormat = newFormat;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (!(obj instanceof SchematicNode))
+            return false;
+
+        SchematicNode node = (SchematicNode) obj;
+        return node.getId() == id;
+    }
+}