ChannelConstants.java

/*
 * Copyright (C) 2014 Florian Stober
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package codecrafter47.freebungeechat.server;

/**
 * @author Florian Stober
 */
public class ChannelConstants {

    public final static String channel = "FreeBungeeChat";

    public final static String subchannel_playSound = "playsound";

    public final static String subchannel_chatMsg = "chat";

}

FreeBungeeChatSponge.java

package codecrafter47.freebungeechat.server.sponge;


import codecrafter47.freebungeechat.server.ChannelConstants;
import com.google.inject.Inject;
import lombok.SneakyThrows;
import org.spongepowered.api.Game;
import org.spongepowered.api.Platform;
import org.spongepowered.api.effect.sound.SoundType;
import org.spongepowered.api.entity.living.player.Player;
import org.spongepowered.api.event.Listener;
import org.spongepowered.api.event.game.state.GameStartedServerEvent;
import org.spongepowered.api.network.ChannelBinding;
import org.spongepowered.api.network.PlayerConnection;
import org.spongepowered.api.plugin.Plugin;

@Plugin(id="freebungeechat", name = "FreeBungeeChat", version = "1.0.0")
public class FreeBungeeChatSponge {

    @Inject
    private Game game;
    private ChannelBinding.RawDataChannel channel;

    @Listener
    public void onConstructionEvent(GameStartedServerEvent event) {
        channel = game.getChannelRegistrar().createRawChannel(this, ChannelConstants.channel);
        channel.addListener(Platform.Type.SERVER, (buf, con, side) -> {
            String messageType = buf.readUTF();
            if (con instanceof PlayerConnection) {
                Player player = ((PlayerConnection) con).getPlayer();
                if (ChannelConstants.subchannel_playSound.equalsIgnoreCase(messageType)) {
                    player.playSound(SoundType.of(buf.readUTF()), player.getLocation().getPosition(), 5);
                } else if (ChannelConstants.subchannel_chatMsg.equalsIgnoreCase(messageType)){
                    String text = buf.readUTF();
                    String prefix = buf.readUTF();
                    int id = buf.readInteger();
                    boolean allowBBCode = buf.readBoolean();
                    processChatMessage(player, text, prefix, id, allowBBCode);
                }
            }
        });
    }

    @SneakyThrows
    private void processChatMessage(Player player, String text, String prefix, int id, boolean allowBBCode) {

        /*if (text.contains("%" + prefix + "group%")) {
            text = text.replace("%" + prefix + "group%", wrapVariable(vaultHook.getGroup(player), allowBBCode));
        }*/
        if (text.contains("%" + prefix + "prefix%")) {
            text = text.replace("%" + prefix + "prefix%", wrapVariable(player.getOption("prefix").orElse(""), allowBBCode));
        }
        if (text.contains("%" + prefix + "prefixcolor%")) {
            String prefix1 = player.getOption("suffix").orElse("");
            text = text.replace("%" + prefix + "prefixcolor%", wrapVariable(prefix1.substring(0, Math.min(2, prefix1.length())), allowBBCode));
        }
        if (text.contains("%" + prefix + "suffix%")) {
            text = text.replace("%" + prefix + "suffix%", wrapVariable(player.getOption("prefix").orElse(""), allowBBCode));
        }
        /*if (text.contains("%" + prefix + "balance%")) {
            text = text.replace("%" + prefix + "balance%", wrapVariable(vaultHook.getBalance(player), allowBBCode));
        }
        if (text.contains("%" + prefix + "currency%")) {
            text = text.replace("%" + prefix + "currency%", wrapVariable(vaultHook.getCurrencyName(), allowBBCode));
        }
        if (text.contains("%" + prefix + "currencyPl%")) {
            text = text.replace("%" + prefix + "currencyPl%", wrapVariable(vaultHook.getCurrencyNamePl(), allowBBCode));
        }*/


        /*if (text.contains("%" + prefix + "tabName%")) {
            text = text.replace("%" + prefix + "tabName%", wrapVariable(player.getPlayerListName(), allowBBCode));
        }
        if (text.contains("%" + prefix + "displayName%")) {
            text = text.replace("%" + prefix + "displayName%", wrapVariable(player.getDisplayName(), allowBBCode));
        }*/
        if (text.contains("%" + prefix + "world%")) {
            text = text.replace("%" + prefix + "world%", wrapVariable(player.getWorld().getName(), allowBBCode));
        }
        /*if (text.contains("%" + prefix + "health%")) {
            text = text.replace("%" + prefix + "health%", wrapVariable(Double.toString(player.getHealth()), allowBBCode));
        }
        if (text.contains("%" + prefix + "level%")) {
            text = text.replace("%" + prefix + "level%", wrapVariable(Integer.toString(player.getLevel()), allowBBCode));
        }*/

        String finalText = text;
        channel.sendTo(player, channelBuf -> {
            channelBuf.writeUTF(ChannelConstants.subchannel_chatMsg);
            channelBuf.writeInteger(id);
            channelBuf.writeUTF(finalText);
        });
    }

    public String wrapVariable(String variable, boolean allowBBCode) {
        //variable = LEGACY_FORMATTING_CODE.serialize(TEXT_XML.deserialize(variable)).replace("§", "&");;
        if (allowBBCode) {
            return variable;
        } else {
            return "[nobbcode]" + variable + "[/nobbcode]";
        }
    }

}

How do you install this to a sponge server to get it to work with FreeBungeeChat?