Basic bukkit support

commands-bukkit/src/main/java/com/intellectualsites/commands/BukkitCommand.java

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+//
+// MIT License
+//
+// Copyright (c) 2020 IntellectualSites
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//
+package com.intellectualsites.commands;import com.intellectualsites.commands.components.CommandComponent;
+import org.bukkit.command.CommandSender;
+import org.bukkit.command.PluginIdentifiableCommand;
+import org.bukkit.plugin.Plugin;
+
+import javax.annotation.Nonnull;
+import java.util.List;
+
+public class BukkitCommand extends org.bukkit.command.Command implements PluginIdentifiableCommand {
+
+    private final CommandComponent<BukkitCommandSender, ?> command;
+    private final BukkitCommandManager bukkitCommandManager;
+
+    BukkitCommand(@Nonnull final CommandComponent<BukkitCommandSender, ?> command, @Nonnull final BukkitCommandManager bukkitCommandManager) {
+        super(command.getName());
+        this.command = command;
+        this.bukkitCommandManager = bukkitCommandManager;
+    }
+
+    @Override
+    public boolean execute(final CommandSender commandSender, final String s, final String[] strings) {
+        /* Join input */
+        final StringBuilder builder = new StringBuilder(this.command.getName());
+        for (final String string : strings) {
+            builder.append(" ").append(string);
+        }
+        this.bukkitCommandManager.executeCommand(BukkitCommandSender.of(commandSender), builder.toString()).whenComplete(((commandResult, throwable) -> {
+            if (throwable != null) {
+                throwable.printStackTrace();
+            } else {
+                // Do something...
+                commandSender.sendMessage("All good!");
+            }
+        }));
+        return true;
+    }
+
+    @Override
+    public List<String> tabComplete(final CommandSender sender, final String alias, final String[] args) throws IllegalArgumentException {
+        final StringBuilder builder = new StringBuilder(this.command.getName());
+        for (final String string : args) {
+            builder.append(" ").append(string);
+        }
+        return this.bukkitCommandManager.suggest(BukkitCommandSender.of(sender), builder.toString());
+    }
+
+    @Override
+    public Plugin getPlugin() {
+        return this.bukkitCommandManager.getOwningPlugin();
+    }
+
+}

commands-bukkit/src/main/java/com/intellectualsites/commands/BukkitCommandManager.java

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+//
+// MIT License
+//
+// Copyright (c) 2020 IntellectualSites
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//
+package com.intellectualsites.commands;import com.intellectualsites.commands.execution.CommandExecutionCoordinator;
+import org.bukkit.plugin.Plugin;
+
+import javax.annotation.Nonnull;
+import java.util.function.Function;
+
+public class BukkitCommandManager extends CommandManager<BukkitCommandSender> {
+
+    private final Plugin owningPlugin;
+
+    public BukkitCommandManager(@Nonnull final Plugin owningPlugin,
+                                @Nonnull final Function<CommandTree<BukkitCommandSender>,
+                                                        CommandExecutionCoordinator<BukkitCommandSender>> commandExecutionCoordinator)
+            throws Exception {
+        super(commandExecutionCoordinator, new BukkitPluginRegistrationHandler());
+        ((BukkitPluginRegistrationHandler) this.getCommandRegistrationHandler()).initialize(this);
+        this.owningPlugin = owningPlugin;
+    }
+
+    @Nonnull public Plugin getOwningPlugin() {
+        return this.owningPlugin;
+    }
+
+}

commands-bukkit/src/main/java/com/intellectualsites/commands/BukkitCommandSender.java

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+//
+// MIT License
+//
+// Copyright (c) 2020 IntellectualSites
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//
+package com.intellectualsites.commands;import com.google.common.base.Objects;
+import com.intellectualsites.commands.sender.CommandSender;
+import org.bukkit.entity.Player;
+
+import javax.annotation.Nonnull;
+
+public abstract class BukkitCommandSender implements CommandSender {
+
+    private final org.bukkit.command.CommandSender internalSender;
+
+    BukkitCommandSender(@Nonnull final org.bukkit.command.CommandSender internalSender) {
+        this.internalSender = internalSender;
+    }
+
+    @Nonnull
+    public static BukkitCommandSender player(@Nonnull final Player player) {
+        return new BukkitPlayerSender(player);
+    }
+
+    @Nonnull
+    public static BukkitCommandSender console() {
+        return new BukkitConsoleSender();
+    }
+
+    @Nonnull
+    public static BukkitCommandSender of(@Nonnull final org.bukkit.command.CommandSender sender) {
+        if (sender instanceof Player) {
+            return player((Player) sender);
+        }
+        return console();
+    }
+
+    @Override
+    public boolean equals(final Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        final BukkitCommandSender that = (BukkitCommandSender) o;
+        return Objects.equal(internalSender, that.internalSender);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hashCode(internalSender);
+    }
+
+    @Nonnull public org.bukkit.command.CommandSender getInternalSender() {
+        return this.internalSender;
+    }
+
+    public abstract boolean isPlayer();
+
+    @Nonnull public abstract Player asPlayer();
+
+}

commands-bukkit/src/main/java/com/intellectualsites/commands/BukkitConsoleSender.java

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+//
+// MIT License
+//
+// Copyright (c) 2020 IntellectualSites
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//
+package com.intellectualsites.commands;import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+
+import javax.annotation.Nonnull;
+
+public class BukkitConsoleSender extends BukkitCommandSender {
+
+    BukkitConsoleSender() {
+        super(Bukkit.getConsoleSender());
+    }
+
+    @Override
+    public boolean isPlayer() {
+        return false;
+    }
+
+    @Nonnull
+    @Override
+    public Player asPlayer() {
+        throw new UnsupportedOperationException("Cannot convert console to player");
+    }
+
+}

commands-bukkit/src/main/java/com/intellectualsites/commands/BukkitPlayerSender.java

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+//
+// MIT License
+//
+// Copyright (c) 2020 IntellectualSites
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//
+package com.intellectualsites.commands;import org.bukkit.entity.Player;
+
+import javax.annotation.Nonnull;
+
+public class BukkitPlayerSender extends BukkitCommandSender {
+
+    BukkitPlayerSender(@Nonnull final Player player) {
+        super(player);
+    }
+
+    @Override
+    public boolean isPlayer() {
+        return true;
+    }
+
+    @Nonnull
+    @Override
+    public Player asPlayer() {
+        return (Player) this.getInternalSender();
+    }
+}

commands-bukkit/src/main/java/com/intellectualsites/commands/BukkitPluginRegistrationHandler.java

@@ -0,0 +1,75 @@
+//
+// MIT License
+//
+// Copyright (c) 2020 IntellectualSites
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//
+package com.intellectualsites.commands;import com.intellectualsites.commands.components.CommandComponent;
+import com.intellectualsites.commands.internal.CommandRegistrationHandler;
+import org.bukkit.Bukkit;
+import org.bukkit.command.CommandMap;
+import org.bukkit.command.SimpleCommandMap;
+
+import javax.annotation.Nonnull;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.util.HashMap;
+import java.util.Map;
+
+public class BukkitPluginRegistrationHandler implements CommandRegistrationHandler {
+
+    private final Map<CommandComponent<?, ?>, org.bukkit.command.Command> registeredCommands = new HashMap<>();
+
+    private Map<String, org.bukkit.command.Command> bukkitCommands;
+    private BukkitCommandManager bukkitCommandManager;
+
+    BukkitPluginRegistrationHandler() {
+    }
+
+    void initialize(@Nonnull final BukkitCommandManager bukkitCommandManager) throws Exception {
+        final Method getCommandMap = Bukkit.getServer().getClass().getDeclaredMethod("getCommandMap");
+        getCommandMap.setAccessible(true);
+        final CommandMap commandMap = (CommandMap) getCommandMap.invoke(Bukkit.getServer());
+        final Field knownCommands = SimpleCommandMap.class.getDeclaredField("knownCommands");
+        knownCommands.setAccessible(true);
+        @SuppressWarnings("ALL")
+        final Map<String, org.bukkit.command.Command> bukkitCommands = (Map<String, org.bukkit.command.Command>) knownCommands.get(commandMap);
+        this.bukkitCommands = bukkitCommands;
+        this.bukkitCommandManager = bukkitCommandManager;
+    }
+
+    @Override
+    public boolean registerCommand(@Nonnull final Command<?> command) {
+        /* We only care about the root command component */
+        final CommandComponent<?, ?> commandComponent = command.getComponents().get(0);
+        if (this.registeredCommands.containsKey(commandComponent)) {
+            return false;
+        }
+        final String label;
+        if (bukkitCommands.containsKey(commandComponent.getName())) {
+            label = String.format("%s:%s", this.bukkitCommandManager.getOwningPlugin().getName(), commandComponent.getName());
+        } else {
+            label = commandComponent.getName();
+        }
+        this.bukkitCommands.put(label, new BukkitCommand((CommandComponent<BukkitCommandSender, ?>) commandComponent, this.bukkitCommandManager));
+        return true;
+    }
+
+}