MyHandler.java

/*
 * Copyright 2011 ZerothAngel <zerothangel@tyrannyofheaven.org>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.tyrannyofheaven.bukkit.util.command;

import org.bukkit.command.CommandSender;
import org.tyrannyofheaven.bukkit.util.command.Command;
import org.tyrannyofheaven.bukkit.util.command.Option;
import org.tyrannyofheaven.bukkit.util.command.ParseException;
import org.tyrannyofheaven.bukkit.util.command.Require;

public class MyHandler {

    private final FooHandler fooHandler = new FooHandler();

    private final BarHandler barHandler = new BarHandler();

    @Command({"hello", "greetings"})
    public void hello(CommandSender sender, @Option("-f") boolean flag) {
        sender.sendMessage("Hello World!");
        if (flag)
            sender.sendMessage("With flag!");
    }

    @Command("greet")
    public void greet(CommandSender sender, @Option(value="name", completer="myCompleter") String name, @Option("-o") String opt, String[] args) {
        sender.sendMessage("Hello, " + name);
        if (opt != null)
            sender.sendMessage("With option = " + opt + "!");
    }

    @Command(value="say", completer="myCompleter")
    public void say(CommandSender sender, String[] args) {
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < args.length; i++) {
            sb.append(args[i]);
            if (i < (args.length - 1))
                sb.append(' ');
        }
        sender.sendMessage(sb.toString());
    }

    @Command("foo")
    public FooHandler foo(String[] args) {
        if (args.length == 0)
            throw new ParseException("Missing sub-command");
        return fooHandler;
    }

    // Sub-command handler
    public static class FooHandler {
        
        @Command("hello")
        public void hello(CommandSender sender) {
            sender.sendMessage("Hello from the foo sub-command!");
        }

    }

    @Command("bar")
    public BarHandler bar(CommandSender sender, HelpBuilder helpBuilder, CommandSession session, @Option("name") String name, String[] args) {
        if (args.length == 0) {
            helpBuilder.withCommandSender(sender)
                .withHandler(barHandler)
                .forCommand("greet")
                .show();
            return null;
        }
        session.setValue("name", name);
        return barHandler;
    }

    public static class BarHandler {

        @Command("greet")
        public void greet(CommandSender sender, @Session("name") String name, @Option(value="-o", valueName="option") String opt) {
            sender.sendMessage("Hello, " + name);
            if (opt != null)
                sender.sendMessage("With option = " + opt + "!");
        }

    }

    @Command("secret")
    @Require("foo.secret")
    public void secret(CommandSender sender, MyPlugin plugin) {
        sender.sendMessage("Spike has a crush on Rarity");
        // Try calling a subclass method
        plugin.test(sender);
    }

    @Command("garply")
    public void garply(CommandSender sender, @Option({"-f", "--flag"}) boolean flag, @Option({"-o", "--option"}) String option, @Option("-t") String test) {
        sender.sendMessage((flag ? "have" : "no") + " flag with option = " + option);
        if (test != null)
            sender.sendMessage(test);
    }

}