MixinConsoleHandler.java

/*
 * Quartz
 * Copyright (c) 2015, Minecrell <https://github.com/Minecrell>
 *
 * Based on Sponge and SpongeAPI, licensed under the MIT License (MIT).
 * Copyright (c) SpongePowered.org <http://www.spongepowered.org>
 * Copyright (c) contributors
 *
 * 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 net.minecrell.quartz.mixin;

import static net.minecraft.server.DedicatedServer.CONSOLE_HANDLER;

import jline.console.ConsoleReader;
import net.minecraft.server.DedicatedServer;
import net.minecrell.quartz.ConsoleCommandCompleter;
import net.minecrell.quartz.launch.console.QuartzConsole;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Overwrite;
import org.spongepowered.asm.mixin.Shadow;

import java.io.IOException;

@Mixin(targets = CONSOLE_HANDLER)
public abstract class MixinConsoleHandler extends Thread {

    @Shadow
    private DedicatedServer a;

    @Overwrite @Override
    public void run() {
        final ConsoleReader reader = QuartzConsole.getReader();
        reader.addCompleter(new ConsoleCommandCompleter(a));

        String line;

        try {
            while (!a.isStopped() && a.isRunning()) {
                line = reader.readLine("> ");

                if (line != null) {
                    line = line.trim();
                    if (!line.isEmpty()) {
                        a.queueCommand(line, a);
                    }
                }
            }
        } catch (IOException e) {
            DedicatedServer.logger.error("Failed to handle console input", e);
        }
    }

}