Merge pull request 'Linkage' (#22) from Linkage into master

Reviewed-on: #22

src/de/steamwar/linkage/AllowedContexts.java

@@ -31,6 +31,6 @@ public @interface AllowedContexts {
     /**
      * The context in which this annotation is valid.
      */
-    LinkageType.Context[] value();
+    Context[] value();
 
 }

src/de/steamwar/linkage/Context.java

@@ -19,13 +19,7 @@
 
 package de.steamwar.linkage;
 
-import java.lang.annotation.ElementType;
+public enum Context {
-import java.lang.annotation.Retention;
+    BUNGEE,
-import java.lang.annotation.RetentionPolicy;
+    SPIGOT
-import java.lang.annotation.Target;
-
-@AllowedContexts(LinkageType.Context.BUNGEE)
-@Retention(RetentionPolicy.SOURCE)
-@Target({ElementType.TYPE})
-public @interface DiscordMode {
 }

src/de/steamwar/linkage/EventMode.java

@@ -27,7 +27,7 @@ import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
-@AllowedContexts(LinkageType.Context.BUNGEE)
+@AllowedContexts(Context.BUNGEE)
 @Retention(RetentionPolicy.SOURCE)
 @Target({ElementType.TYPE})
 public @interface EventMode {

src/de/steamwar/linkage/LinkageProcessor.java

@@ -22,33 +22,28 @@ package de.steamwar.linkage;
 import de.steamwar.linkage.plan.BuildPlan;
 import de.steamwar.linkage.plan.FieldBuilder;
 import de.steamwar.linkage.plan.MethodBuilder;
-import de.steamwar.linkage.plan.ParameterBuilder;
+import de.steamwar.linkage.types.Plain_GENERIC;
 import lombok.Getter;
 import lombok.SneakyThrows;
 
-import javax.annotation.processing.AbstractProcessor;
+import javax.annotation.processing.*;
-import javax.annotation.processing.Messager;
-import javax.annotation.processing.ProcessingEnvironment;
-import javax.annotation.processing.RoundEnvironment;
 import javax.lang.model.SourceVersion;
 import javax.lang.model.element.*;
 import javax.lang.model.type.DeclaredType;
 import javax.lang.model.type.TypeMirror;
 import javax.tools.Diagnostic;
 import java.io.*;
-import java.io.Writer;
 import java.lang.annotation.Annotation;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.*;
 import java.util.function.Consumer;
 import java.util.stream.Collectors;
-import java.util.stream.Stream;
 
+@SupportedAnnotationTypes("de.steamwar.linkage.Linked")
 public class LinkageProcessor extends AbstractProcessor {
 
-    @Getter
+    private static Context context;
-    private static LinkageType.Context context;
 
     @Getter
     private static String pluginMain;
@@ -65,13 +60,6 @@ public class LinkageProcessor extends AbstractProcessor {
         return SourceVersion.latestSupported();
     }
 
-    @Override
-    public Set<String> getSupportedAnnotationTypes() {
-        return Stream.of(Linked.class, Linked.Linkages.class)
-                .map(Class::getCanonicalName)
-                .collect(Collectors.toSet());
-    }
-
     @SneakyThrows
     @Override
     public synchronized void init(ProcessingEnvironment processingEnv) {
@@ -101,7 +89,7 @@ public class LinkageProcessor extends AbstractProcessor {
             messager.printMessage(Diagnostic.Kind.ERROR, "Could not find plugin.yml or bungee.yml");
             return;
         }
-        context = pluginYMLFile.get().getName().equals("bungee.yml") ? LinkageType.Context.BUNGEE : LinkageType.Context.SPIGOT;
+        context = pluginYMLFile.get().getName().equals("bungee.yml") ? Context.BUNGEE : Context.SPIGOT;
         Optional<String> mainName = getMainName(pluginYMLFile.get());
         if (!mainName.isPresent()) {
             messager.printMessage(Diagnostic.Kind.ERROR, "Could not find main class in plugin.yml or bungee.yml");
@@ -130,40 +118,20 @@ public class LinkageProcessor extends AbstractProcessor {
         Writer writer = processingEnv.getFiler().createSourceFile("de.steamwar." + name + ".linkage.LinkageUtils").openWriter();
 
         BuildPlan buildPlan = new BuildPlan(packageName, className);
-        buildPlan.addImport("java.util.Set");
-        buildPlan.addImport("java.lang.Class");
         buildPlan.addImport("de.steamwar.linkage.LinkageType");
-        buildPlan.addImport("java.util.HashSet");
-        buildPlan.addField(new FieldBuilder("Set<Class<? extends LinkageType>>", "enabled", "new HashSet<>()"));
-
-        MethodBuilder runsMethod = new MethodBuilder("run", "void");
-        runsMethod.addParameter(new ParameterBuilder("Class<? extends LinkageType>...", "types"));
-        runsMethod.addLine("for (Class<? extends LinkageType> type : types) _run(type);");
-        buildPlan.addMethod(runsMethod);
-
-
-        MethodBuilder runMethod = new MethodBuilder("_run", "void");
-        runMethod.setPrivate(true);
-        buildPlan.addMethod(runMethod);
-        runMethod.addParameter(new ParameterBuilder("Class<? extends LinkageType>", "type"));
-        runMethod.addLine("if (!enabled.add(type)) return;");
-        Set<Class<? extends LinkageType>> alreadyGenerated = new HashSet<>();
 
         Set<? extends Element> elements = roundEnv.getElementsAnnotatedWith(Linked.class);
-        elements.addAll((Set) roundEnv.getElementsAnnotatedWith(Linked.Linkages.class));
-
         Map<String, TypeElement> neededFields = new HashMap<>();
         for (Element element : elements) {
             if (element.getKind() != ElementKind.CLASS) {
                 continue;
             }
             TypeElement typeElement = (TypeElement) element;
-            Linked[] linkeds = element.getAnnotationsByType(Linked.class);
+            Linked linked = element.getAnnotation(Linked.class);
-            if (linkeds.length == 0) {
+            if (linked == null) {
                 continue;
             }
-
+            if (getLinkagesOfType(typeElement).size() > 1) {
-            if (linkeds.length > 1) {
                 neededFields.put(typeElement.getQualifiedName().toString(), typeElement);
             }
 
@@ -198,20 +166,12 @@ public class LinkageProcessor extends AbstractProcessor {
         }
         neededFields.forEach((s, typeElement) -> {
             buildPlan.addImport(typeElement.getQualifiedName().toString());
-            buildPlan.addField(new FieldBuilder(typeElement.getSimpleName().toString(), typeElement.getSimpleName().toString()));
+            String t = typeElement.getSimpleName().toString();
-
+            t = t.substring(0, 1).toLowerCase() + t.substring(1);
-            MethodBuilder initializer = new MethodBuilder(typeElement.getSimpleName().toString(), typeElement.getSimpleName().toString());
+            buildPlan.addField(new FieldBuilder(typeElement.getSimpleName().toString(), t, "new " + typeElement.getSimpleName().toString() + "()"));
-            initializer.setPrivate(true);
-            specialElements(typeElement, buildPlan, initializer::addLine, () -> {
-                initializer.addLine("if (" + typeElement.getSimpleName().toString() + " == null) {");
-                initializer.addLine("    " + typeElement.getSimpleName().toString() + " = new " + typeElement.getSimpleName().toString() + "();");
-                initializer.addLine("}");
-            });
-            initializer.addLine("return " + typeElement.getSimpleName().toString() + ";");
-            buildPlan.addMethod(initializer);
         });
 
-        Map<Class<?>, MethodBuilder> methods = new HashMap<>();
+        Map<String, MethodBuilder> methods = new HashMap<>();
         for (Element element : elements) {
             if (element.getKind() != ElementKind.CLASS) {
                 continue;
@@ -219,65 +179,24 @@ public class LinkageProcessor extends AbstractProcessor {
             TypeElement typeElement = (TypeElement) element;
 
             System.out.println("Found element: " + typeElement.getQualifiedName().toString());
-            element.getAnnotationMirrors().stream()
+            Map<String, List<LinkageType>> linkages = getLinkagesOfType(typeElement);
-                    .filter(annotationMirror -> {
+            if (linkages.isEmpty()) {
-                        String annotationNames = annotationMirror.getAnnotationType().asElement().getSimpleName().toString();
+                continue;
-                        return annotationNames.equals("Linked") || annotationNames.equals("Linkages");
+            }
-                    })
-                    .flatMap(annotationMirror -> annotationMirror.getElementValues().values().stream())
-                    .map(AnnotationValue::getValue)
-                    .flatMap(o -> {
-                        if (o instanceof List) {
-                            return ((List<Object>) o).stream()
-                                    .map(AnnotationMirror.class::cast)
-                                    .map(AnnotationMirror::getElementValues)
-                                    .map(Map::values)
-                                    .flatMap(Collection::stream)
-                                    .map(AnnotationValue::getValue);
-                        }
-                        return Stream.of(o);
-                    })
-                    .map(Object::toString)
-                    .map(s -> {
-                        try {
-                            return Class.forName(s);
-                        } catch (Exception e) {
-                            messager.printMessage(Diagnostic.Kind.ERROR, "Could not find class " + s, element);
-                            return null;
-                        }
-                    })
-                    .filter(Objects::nonNull)
-                    .map(clazz -> {
-                        try {
-                            return (LinkageType) clazz.getDeclaredConstructor().newInstance();
-                        } catch (Exception e) {
-                            messager.printMessage(Diagnostic.Kind.ERROR, "Could not create instance of " + clazz.getName(), element);
-                            return null;
-                        }
-                    })
-                    .filter(Objects::nonNull)
-                    .forEach(type -> {
-                        Class<? extends LinkageType> clazz = type.getClass();
-                        if (!type.requirements(typeElement.getSuperclass().toString(), typeElement.getInterfaces().stream().map(TypeMirror::toString).collect(Collectors.toSet()), typeElement)) {
-                            return;
-                        }
 
-                        if (alreadyGenerated.add(clazz)) {
+            for (Map.Entry<String, List<LinkageType>> entry : linkages.entrySet()) {
-                            runMethod.addLine("if (type == " + clazz.getTypeName() + ".class) {");
+                MethodBuilder method = methods.computeIfAbsent(entry.getKey(), s -> {
-                            runMethod.addLine("    run" + clazz.getSimpleName() + "();");
+                    MethodBuilder methodBuilder = new MethodBuilder(s, "void");
-                            runMethod.addLine("}");
+                    buildPlan.addMethod(methodBuilder);
-                        }
+                    return methodBuilder;
-
+                });
-                        MethodBuilder method = methods.computeIfAbsent(clazz, t -> {
+                for (LinkageType type : entry.getValue()) {
-                            MethodBuilder methodBuilder = new MethodBuilder("run" + t.getSimpleName(), "void");
+                    specialElements(typeElement, buildPlan, method::addLine, () -> {
-                            methodBuilder.setPrivate(true);
+                        buildPlan.addImport(typeElement.getQualifiedName().toString());
-                            buildPlan.addMethod(methodBuilder);
+                        type.generateCode(buildPlan, method, getElement(typeElement, neededFields), typeElement);
-                            return methodBuilder;
-                        });
-                        specialElements(typeElement, buildPlan, method::addLine, () -> {
-                            type.generateCode(buildPlan, method, getElement(typeElement, neededFields), typeElement);
-                        });
                     });
+                }
+            }
         }
 
         BufferedWriter bufferedWriter = new BufferedWriter(writer);
@@ -288,19 +207,19 @@ public class LinkageProcessor extends AbstractProcessor {
 
     private String getElement(TypeElement typeElement, Map<String, TypeElement> neededFields) {
         if (neededFields.containsKey(typeElement.getQualifiedName().toString())) {
-            return typeElement.getSimpleName().toString() + "()";
+            String s = typeElement.getSimpleName().toString();
+            return s.substring(0, 1).toLowerCase() + s.substring(1);
         }
-        return "new " + typeElement.getQualifiedName().toString() + "()";
+        return "new " + typeElement.getSimpleName().toString() + "()";
     }
 
     private void specialElements(TypeElement typeElement, BuildPlan buildPlan, Consumer<String> stringConsumer, Runnable inner) {
         MinVersion minVersion = typeElement.getAnnotation(MinVersion.class);
         MaxVersion maxVersion = typeElement.getAnnotation(MaxVersion.class);
         EventMode eventMode = typeElement.getAnnotation(EventMode.class);
-        DiscordMode discordMode = typeElement.getAnnotation(DiscordMode.class);
         PluginCheck[] pluginChecks = typeElement.getAnnotationsByType(PluginCheck.class);
-        if (context == LinkageType.Context.SPIGOT) {
+        if (context == Context.SPIGOT) {
-            errorOnNonNull(typeElement, eventMode, discordMode);
+            errorOnNonNull(typeElement, eventMode);
             List<String> checks = new ArrayList<>();
             if (minVersion != null) {
                 buildPlan.addImport("de.steamwar.core.Core");
@@ -326,10 +245,6 @@ public class LinkageProcessor extends AbstractProcessor {
                 buildPlan.addImport("de.steamwar.bungeecore.BungeeCore");
                 checks.add(eventMode.value().getPrefix() + "BungeeCore.EVENT_MODE");
             }
-            if (discordMode != null) {
-                buildPlan.addImport("de.steamwar.bungeecore.bot.config.SteamwarDiscordBotConfig");
-                checks.add("SteamwarDiscordBotConfig.loaded");
-            }
             if (pluginChecks.length != 0) {
                 buildPlan.addImport("net.md_5.bungee.BungeeCord");
                 Arrays.stream(pluginChecks).map(pluginCheck -> {
@@ -349,4 +264,40 @@ public class LinkageProcessor extends AbstractProcessor {
             }
         }
     }
+
+    private Plain_GENERIC plain_GENERIC = new Plain_GENERIC();
+
+    private Map<String, List<LinkageType>> getLinkagesOfType(TypeElement typeElement) {
+        Map<String, List<LinkageType>> linkages = new HashMap<>();
+        LinkageType superClassType = resolveSingle(typeElement.getSuperclass());
+        if (superClassType != null) {
+            linkages.computeIfAbsent(superClassType.method(), s -> new ArrayList<>()).add(superClassType);
+        }
+        for (TypeMirror typeMirror : typeElement.getInterfaces()) {
+            LinkageType interfaceType = resolveSingle(typeMirror);
+            if (interfaceType != null) {
+                linkages.computeIfAbsent(interfaceType.method(), s -> new ArrayList<>()).add(interfaceType);
+            }
+        }
+        if (!linkages.containsKey(plain_GENERIC.method())) {
+            linkages.put(plain_GENERIC.method(), Collections.singletonList(plain_GENERIC));
+        }
+        return linkages;
+    }
+
+    private LinkageType resolveSingle(TypeMirror typeMirror) {
+        String qualifier = typeMirror.toString();
+        qualifier = qualifier.substring(qualifier.lastIndexOf('.') + 1);
+        try {
+            return (LinkageType) Class.forName("de.steamwar.linkage.types." + qualifier + "_" + context.name()).getDeclaredConstructor().newInstance();
+        } catch (Exception e) {
+            // Ignore
+        }
+        try {
+            return (LinkageType) Class.forName("de.steamwar.linkage.types." + qualifier + "_GENERIC").getDeclaredConstructor().newInstance();
+        } catch (Exception e) {
+            // Ignore
+        }
+        return null;
+    }
 }

src/de/steamwar/linkage/LinkageType.java

@@ -23,36 +23,14 @@ import de.steamwar.linkage.plan.BuildPlan;
 import de.steamwar.linkage.plan.MethodBuilder;
 
 import javax.lang.model.element.TypeElement;
-import java.util.Set;
 
 public interface LinkageType {
 
-    Context context = LinkageProcessor.getContext();
     default String getPluginMain() {
         return LinkageProcessor.getPluginMain();
     }
 
-    enum Context {
+    String method();
-        BUNGEE,
-        SPIGOT
-    }
 
-    default boolean requirements(String superClass, Set<String> interfaces, TypeElement typeElement) {
+    void generateCode(BuildPlan buildPlan, MethodBuilder method, String instance, TypeElement typeElement);
-        return true;
-    }
-
-    default void generateCode(BuildPlan buildPlan, MethodBuilder linkageTypeMethod, String instance, TypeElement typeElement) {
-        switch (context) {
-            case BUNGEE:
-                generateCodeBungee(buildPlan, linkageTypeMethod, instance, typeElement);
-                break;
-            case SPIGOT:
-                generateCodeSpigot(buildPlan, linkageTypeMethod, instance, typeElement);
-                break;
-        }
-    }
-    default void generateCodeBungee(BuildPlan buildPlan, MethodBuilder linkageTypeMethod, String instance, TypeElement typeElement) {
-    }
-    default void generateCodeSpigot(BuildPlan buildPlan, MethodBuilder linkageTypeMethod, String instance, TypeElement typeElement) {
-    }
 }

src/de/steamwar/linkage/Linked.java

@@ -23,13 +23,5 @@ import java.lang.annotation.*;
 
 @Retention(RetentionPolicy.SOURCE)
 @Target({ElementType.TYPE})
-@Repeatable(Linked.Linkages.class)
 public @interface Linked {
-    Class<? extends LinkageType> value();
-
-    @Retention(RetentionPolicy.SOURCE)
-    @Target({ElementType.TYPE})
-    @interface Linkages {
-        @SuppressWarnings("unused") Linked[] value() default {};
-    }
 }

src/de/steamwar/linkage/MaxVersion.java

@@ -24,7 +24,7 @@ import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
-@AllowedContexts(LinkageType.Context.SPIGOT)
+@AllowedContexts(Context.SPIGOT)
 @Retention(RetentionPolicy.SOURCE)
 @Target({ElementType.TYPE})
 public @interface MaxVersion {

src/de/steamwar/linkage/MinVersion.java

@@ -24,7 +24,7 @@ import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
-@AllowedContexts(LinkageType.Context.SPIGOT)
+@AllowedContexts(Context.SPIGOT)
 @Retention(RetentionPolicy.SOURCE)
 @Target({ElementType.TYPE})
 public @interface MinVersion {

src/de/steamwar/linkage/PluginCheck.java

@@ -21,7 +21,7 @@ package de.steamwar.linkage;
 
 import java.lang.annotation.*;
 
-@AllowedContexts({LinkageType.Context.BUNGEE, LinkageType.Context.SPIGOT})
+@AllowedContexts({Context.BUNGEE, Context.SPIGOT})
 @Retention(RetentionPolicy.SOURCE)
 @Target({ElementType.TYPE})
 @Repeatable(PluginCheck.PluginChecks.class)

src/de/steamwar/linkage/types/Disable_GENERIC.java

@@ -1,7 +1,7 @@
 /*
  * This file is a part of the SteamWar software.
  *
- * Copyright (C) 2022  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
@@ -24,17 +24,16 @@ import de.steamwar.linkage.plan.BuildPlan;
 import de.steamwar.linkage.plan.MethodBuilder;
 
 import javax.lang.model.element.TypeElement;
-import java.util.Set;
 
-public class EnableLink implements LinkageType {
+public class Disable_GENERIC implements LinkageType {
 
     @Override
-    public boolean requirements(String superClass, Set<String> interfaces, TypeElement typeElement) {
+    public String method() {
-        return interfaces.contains("de.steamwar.linkage.api.Enable");
+        return "unlink";
     }
 
     @Override
-    public void generateCode(BuildPlan buildPlan, MethodBuilder linkageTypeMethod, String instance, TypeElement typeElement) {
+    public void generateCode(BuildPlan buildPlan, MethodBuilder method, String instance, TypeElement typeElement) {
-        linkageTypeMethod.addLine(instance + ".enable();");
+        method.addLine(instance + ".disable();");
     }
 }

src/de/steamwar/linkage/types/Enable_GENERIC.java

@@ -1,7 +1,7 @@
 /*
  * This file is a part of the SteamWar software.
  *
- * Copyright (C) 2022  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
@@ -24,17 +24,16 @@ import de.steamwar.linkage.plan.BuildPlan;
 import de.steamwar.linkage.plan.MethodBuilder;
 
 import javax.lang.model.element.TypeElement;
-import java.util.Set;
 
-public class DisableLink implements LinkageType {
+public class Enable_GENERIC implements LinkageType {
 
     @Override
-    public boolean requirements(String superClass, Set<String> interfaces, TypeElement typeElement) {
+    public String method() {
-        return interfaces.contains("de.steamwar.linkage.api.Disable");
+        return "link";
     }
 
     @Override
-    public void generateCode(BuildPlan buildPlan, MethodBuilder linkageTypeMethod, String instance, TypeElement typeElement) {
+    public void generateCode(BuildPlan buildPlan, MethodBuilder method, String instance, TypeElement typeElement) {
-        linkageTypeMethod.addLine(instance + ".disable();");
+        method.addLine(instance + ".enable();");
     }
 }

src/de/steamwar/linkage/types/Listener_BUNGEE.java

@@ -1,7 +1,7 @@
 /*
  * This file is a part of the SteamWar software.
  *
- * Copyright (C) 2022  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
@@ -24,22 +24,18 @@ import de.steamwar.linkage.plan.BuildPlan;
 import de.steamwar.linkage.plan.MethodBuilder;
 
 import javax.lang.model.element.TypeElement;
-import java.util.Set;
 
-public class Command implements LinkageType {
+public class Listener_BUNGEE implements LinkageType {
 
     @Override
-    public boolean requirements(String superClass, Set<String> interfaces, TypeElement typeElement) {
+    public String method() {
-        return superClass.equals("de.steamwar.command.SWCommand");
+        return "link";
     }
 
     @Override
-    public void generateCodeBungee(BuildPlan buildPlan, MethodBuilder linkageTypeMethod, String instance, TypeElement typeElement) {
+    public void generateCode(BuildPlan buildPlan, MethodBuilder method, String instance, TypeElement typeElement) {
-        linkageTypeMethod.addLine(instance + ";");
+        buildPlan.addImport("net.md_5.bungee.api.ProxyServer");
-    }
+        buildPlan.addImport("de.steamwar.bungeecore.BungeeCore");
-
+        method.addLine("ProxyServer.getInstance().getPluginManager().registerListener(BungeeCore.get(), " + instance + ");");
-    @Override
-    public void generateCodeSpigot(BuildPlan buildPlan, MethodBuilder linkageTypeMethod, String instance, TypeElement typeElement) {
-        linkageTypeMethod.addLine(instance + ".setMessage(" + getPluginMain() + ".MESSAGE);");
     }
 }

src/de/steamwar/linkage/types/Listener_SPIGOT.java

@@ -29,28 +29,16 @@ import javax.lang.model.element.*;
 import javax.lang.model.type.DeclaredType;
 import java.util.HashMap;
 import java.util.Map;
-import java.util.Set;
 
-public class ListenerLink implements LinkageType {
+public class Listener_SPIGOT implements LinkageType {
 
     @Override
-    public boolean requirements(String superClass, Set<String> interfaces, TypeElement typeElement) {
+    public String method() {
-        if (context == Context.BUNGEE) {
+        return "link";
-            return interfaces.contains("net.md_5.bungee.api.plugin.Listener");
-        } else {
-            return interfaces.contains("org.bukkit.event.Listener");
-        }
     }
 
     @Override
-    public void generateCodeBungee(BuildPlan buildPlan, MethodBuilder linkageTypeMethod, String instance, TypeElement typeElement) {
+    public void generateCode(BuildPlan buildPlan, MethodBuilder method, String instance, TypeElement typeElement) {
-        buildPlan.addImport("net.md_5.bungee.api.ProxyServer");
-        buildPlan.addImport("de.steamwar.bungeecore.BungeeCore");
-        linkageTypeMethod.addLine("ProxyServer.getInstance().getPluginManager().registerListener(BungeeCore.get(), " + instance + ");");
-    }
-
-    @Override
-    public void generateCodeSpigot(BuildPlan buildPlan, MethodBuilder linkageTypeMethod, String instance, TypeElement typeElement) {
         Map<String, TypeElement> eventClasses = new HashMap<>();
         Map<TypeElement, ExecutableElement> eventMethods = new HashMap<>();
 
@@ -87,12 +75,11 @@ public class ListenerLink implements LinkageType {
             methodBuilder.addLine("};");
             methodBuilder.addLine("handlerList" + eventType.getSimpleName() + ".register(new RegisteredListener(listener, eventExecutor, eventPriority, " + getPluginMain() + ".getInstance(), ignoreCancelled));");
             buildPlan.addMethod(methodBuilder);
-            linkageTypeMethod.addLine("handlerList" + eventType.getSimpleName() + " = " + eventType.getSimpleName() + ".getHandlerList();");
+            method.addLine("handlerList" + eventType.getSimpleName() + " = " + eventType.getSimpleName() + ".getHandlerList();");
         });
 
-        buildPlan.addImport(typeElement.getQualifiedName().toString());
         String localInstance = "local" + typeElement.getSimpleName().toString();
-        linkageTypeMethod.addLine(typeElement.getSimpleName() + " " + localInstance + " = " + instance + ";");
+        method.addLine(typeElement.getSimpleName() + " " + localInstance + " = " + instance + ";");
         eventMethods.forEach((type, executableElement) -> {
             AnnotationMirror eventHandler = executableElement.getAnnotationMirrors().stream().filter(annotationMirror -> annotationMirror.getAnnotationType().asElement().getSimpleName().toString().equals("EventHandler")).findFirst().orElse(null);
             if (eventHandler == null) {
@@ -107,7 +94,7 @@ public class ListenerLink implements LinkageType {
                     ignoreCancelled = entry.getValue().getValue().toString();
                 }
             }
-            linkageTypeMethod.addLine(type.getSimpleName().toString() + "(" + localInstance + ", " + localInstance + "::" + executableElement.getSimpleName().toString() + ", EventPriority." + priority + ", " + ignoreCancelled + ");");
+            method.addLine(type.getSimpleName().toString() + "(" + localInstance + ", " + localInstance + "::" + executableElement.getSimpleName().toString() + ", EventPriority." + priority + ", " + ignoreCancelled + ");");
         });
     }
 }

src/de/steamwar/linkage/types/PacketHandler_GENERIC.java

@@ -25,10 +25,15 @@ import de.steamwar.linkage.plan.MethodBuilder;
 
 import javax.lang.model.element.TypeElement;
 
-public class Plain implements LinkageType {
+public class PacketHandler_GENERIC implements LinkageType {
 
     @Override
-    public void generateCode(BuildPlan buildPlan, MethodBuilder linkageTypeMethod, String instance, TypeElement typeElement) {
+    public String method() {
-        linkageTypeMethod.addLine(instance + ";");
+        return "link";
+    }
+
+    @Override
+    public void generateCode(BuildPlan buildPlan, MethodBuilder method, String instance, TypeElement typeElement) {
+        method.addLine(instance + ".register();");
     }
 }

src/de/steamwar/linkage/types/Plain_GENERIC.java

@@ -0,0 +1,39 @@
+/*
+ * 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.linkage.types;
+
+import de.steamwar.linkage.LinkageType;
+import de.steamwar.linkage.plan.BuildPlan;
+import de.steamwar.linkage.plan.MethodBuilder;
+
+import javax.lang.model.element.TypeElement;
+
+public class Plain_GENERIC implements LinkageType {
+
+    @Override
+    public String method() {
+        return "link";
+    }
+
+    @Override
+    public void generateCode(BuildPlan buildPlan, MethodBuilder method, String instance, TypeElement typeElement) {
+        method.addLine(instance + ";");
+    }
+}

src/de/steamwar/linkage/types/SWCommand_BUNGEE.java

@@ -0,0 +1,39 @@
+/*
+ * 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.linkage.types;
+
+import de.steamwar.linkage.LinkageType;
+import de.steamwar.linkage.plan.BuildPlan;
+import de.steamwar.linkage.plan.MethodBuilder;
+
+import javax.lang.model.element.TypeElement;
+
+public class SWCommand_BUNGEE implements LinkageType {
+
+    @Override
+    public String method() {
+        return "link";
+    }
+
+    @Override
+    public void generateCode(BuildPlan buildPlan, MethodBuilder method, String instance, TypeElement typeElement) {
+        method.addLine(instance + ";");
+    }
+}

src/de/steamwar/linkage/types/SWCommand_SPIGOT.java

@@ -0,0 +1,39 @@
+/*
+ * 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.linkage.types;
+
+import de.steamwar.linkage.LinkageType;
+import de.steamwar.linkage.plan.BuildPlan;
+import de.steamwar.linkage.plan.MethodBuilder;
+
+import javax.lang.model.element.TypeElement;
+
+public class SWCommand_SPIGOT implements LinkageType {
+
+    @Override
+    public String method() {
+        return "link";
+    }
+
+    @Override
+    public void generateCode(BuildPlan buildPlan, MethodBuilder method, String instance, TypeElement typeElement) {
+        method.addLine(instance + ".setMessage(" + getPluginMain() + ".MESSAGE);");
+    }
+}

src/de/steamwar/linkage/types/UnlinkListener.java

@@ -1,53 +0,0 @@
-/*
- * 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.linkage.types;
-
-import de.steamwar.linkage.LinkageType;
-import de.steamwar.linkage.plan.BuildPlan;
-import de.steamwar.linkage.plan.MethodBuilder;
-
-import javax.lang.model.element.TypeElement;
-import java.lang.reflect.Type;
-import java.util.Set;
-
-public class UnlinkListener implements LinkageType {
-
-    @Override
-    public boolean requirements(String superClass, Set<String> interfaces, TypeElement typeElement) {
-        if (context == Context.BUNGEE) {
-            return interfaces.contains("net.md_5.bungee.api.plugin.Listener");
-        } else {
-            return interfaces.contains("org.bukkit.event.Listener");
-        }
-    }
-
-    @Override
-    public void generateCodeBungee(BuildPlan buildPlan, MethodBuilder linkageTypeMethod, String instance, TypeElement typeElement) {
-        buildPlan.addImport("net.md_5.bungee.api.ProxyServer");
-        buildPlan.addImport("de.steamwar.bungeecore.BungeeCore");
-        linkageTypeMethod.addLine("ProxyServer.getInstance().getPluginManager().registerListener(" + instance + ");");
-    }
-
-    @Override
-    public void generateCodeSpigot(BuildPlan buildPlan, MethodBuilder linkageTypeMethod, String instance, TypeElement typeElement) {
-        buildPlan.addImport("org.bukkit.event.HandlerList");
-        linkageTypeMethod.addLine("HandlerList.unregisterAll(" + instance + ");");
-    }
-}