EmpireBungeeListener.java

package com.empireminecraft;

import net.md_5.bungee.ServerConnection;
import net.md_5.bungee.UserConnection;
import net.md_5.bungee.api.ProxyServer;
import net.md_5.bungee.api.ServerPing;
import net.md_5.bungee.api.connection.ProxiedPlayer;
import net.md_5.bungee.api.event.ProxyPingEvent;
import net.md_5.bungee.api.event.ServerConnectEvent;
import net.md_5.bungee.api.event.ServerConnectedEvent;
import net.md_5.bungee.api.plugin.Listener;
import net.md_5.bungee.event.EventHandler;

import java.util.Random;
import java.util.concurrent.TimeUnit;
import java.util.regex.Pattern;

import static net.md_5.bungee.api.ServerPing.PlayerInfo;

public class EmpireBungeeListener implements Listener {

    private static final Pattern NEWLINE = Pattern.compile("\n");
    private static final Random RAND = new Random();

    @EventHandler
    public void onConnected(ServerConnectedEvent event) {
        String serverName = event.getServer().getInfo().getName();
        String header = EmpireBungeeInfo.getConfig("tablist_header");
        String footer = EmpireBungeeInfo.getConfig("tablist_footer");
        int padSize = 80;
        if (header != null && footer != null) {
            header = header.replaceAll("%server%", serverName.toUpperCase());
            final String[] headerLines = NEWLINE.split(header);
            final String[] footerLines = NEWLINE.split(footer);
            for (int i = 0; i < headerLines.length; i++) {
                headerLines[i] = BungeeUtil.pad(headerLines[i], padSize);
            }
            for (int i = 0; i < footerLines.length; i++) {
                footerLines[i] = BungeeUtil.pad(footerLines[i], padSize);
            }
            event.getPlayer().setTabHeader(
                BungeeUtil.colorCmp(BungeeUtil.join(headerLines, "\n")),
                BungeeUtil.colorCmp(BungeeUtil.join(footerLines, "\n"))
            );
        }
    }
    @EventHandler
    public void onSwitch(final ServerConnectEvent event) {
        final ProxiedPlayer player = event.getPlayer();
        final ServerConnection server = (ServerConnection) player.getServer();
        final UserConnection con = (UserConnection) player;

        if (server == null) {
            return;
        }
        if (event.getTarget().getName().equals(player.getServer().getInfo().getName())) {
            player.sendMessage(BungeeUtil.color("&cYou are already connected to this server."));
            event.setCancelled(true);
            return;
        }
        if (!server.isObsolete()) {
            server.setObsolete(true);
            event.setCancelled(true);
            server.disconnect("Switching Servers");

            ProxyServer.getInstance().getScheduler().schedule(EmpireBungee.getPlugin(), new Runnable() {
                @Override
                public void run() {
                    con.connectNow(event.getTarget());
                }
            }, 700, TimeUnit.MILLISECONDS);
        }
    }

    @EventHandler
    public void onPing(ProxyPingEvent event) {
        final ServerPing response = event.getResponse();
        final ServerPing.Players players = response.getPlayers();
        players.setOnline(EmpireBungeeInfo.getOnline());
        String ip = event.getConnection().getAddress().getAddress().getHostAddress();
        String lastName = EmpireBungeeInfo.getNameByIp(ip);
        final String[] descsplit = NEWLINE.split(response.getDescription());
        String[] desc1 = NEWLINE.split(EmpireBungeeInfo.getConfig("bungee_desc1"));
        if (desc1 == null) {
            desc1 = new String[] {descsplit[0]};
        }
        String[] desc2 = NEWLINE.split(EmpireBungeeInfo.getConfig("bungee_desc2"));
        if (desc2 == null) {
            desc2 = new String[] {descsplit[1]};
        }

        String desc1line = desc1[RAND.nextInt(desc1.length)];
        String desc2line = desc2[RAND.nextInt(desc2.length)];
        if (lastName == null) {
            lastName = "Player";
        }

        desc1line = desc1line.replaceAll("%player%", lastName);
        desc2line = desc2line.replaceAll("%player%", lastName);

        response.setDescription(
            BungeeUtil.color(desc1line) +"\n" +
            BungeeUtil.color(desc2line)
        );
        String playerText = EmpireBungeeInfo.getConfig("bungee_playertext");
        if (playerText != null) {
            final String[] lines = NEWLINE.split(playerText);
            PlayerInfo[] infos = new PlayerInfo[lines.length];

            for (int i = 0; i < lines.length; i++) {
                infos[i] = new PlayerInfo(BungeeUtil.color(lines[i]), String.valueOf(i));
            }
            players.setSample(infos);
        }
    }
}