Java tutorial
/* * Copyright (c) 2016 Lucko (Luck) <luck@lucko.me> * * 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 me.lucko.luckperms.bungee.messaging; import com.google.common.io.ByteArrayDataInput; import com.google.common.io.ByteArrayDataOutput; import com.google.common.io.ByteStreams; import me.lucko.luckperms.bungee.LPBungeePlugin; import me.lucko.luckperms.common.messaging.AbstractMessagingService; import net.md_5.bungee.api.config.ServerInfo; import net.md_5.bungee.api.connection.ProxiedPlayer; import net.md_5.bungee.api.event.PluginMessageEvent; import net.md_5.bungee.api.plugin.Listener; import net.md_5.bungee.event.EventHandler; /** * An implementation of {@link me.lucko.luckperms.api.MessagingService} using the plugin messaging channels. */ public class BungeeMessagingService extends AbstractMessagingService implements Listener { private final LPBungeePlugin plugin; public BungeeMessagingService(LPBungeePlugin plugin) { super(plugin, "Bungee"); this.plugin = plugin; } public void init() { plugin.getProxy().getPluginManager().registerListener(plugin, this); plugin.getProxy().registerChannel(CHANNEL); } @Override public void close() { plugin.getProxy().unregisterChannel(CHANNEL); } @Override protected void sendMessage(String channel, String message) { ByteArrayDataOutput out = ByteStreams.newDataOutput(); out.writeUTF(message); byte[] data = out.toByteArray(); for (ServerInfo server : plugin.getProxy().getServers().values()) { server.sendData(channel, data, true); } } @EventHandler public void onPluginMessage(PluginMessageEvent e) { if (!e.getTag().equals(CHANNEL)) { return; } e.setCancelled(true); if (e.getSender() instanceof ProxiedPlayer) { return; } ByteArrayDataInput in = ByteStreams.newDataInput(e.getData()); String msg = in.readUTF(); onMessage(e.getTag(), msg, u -> { // Forward to other servers plugin.doAsync(() -> sendMessage(CHANNEL, "update:" + u.toString())); }); } }