CommandMcPing.java

/*
 * This file is part of Foxbot.
 *
 *     Foxbot 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.
 *
 *     Foxbot 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 Foxbot. If not, see <http://www.gnu.org/licenses/>.
 */

package co.foxdev.foxbot.commands;

import co.foxdev.foxbot.FoxBot;
import co.foxdev.foxbot.utils.Utils;
import co.foxdev.foxbot.utils.minecraft.MinecraftPing;
import co.foxdev.foxbot.utils.minecraft.MinecraftPingOptions;
import co.foxdev.foxbot.utils.minecraft.MinecraftPingReply;
import org.apache.commons.lang3.StringUtils;
import org.pircbotx.Channel;
import org.pircbotx.Colors;
import org.pircbotx.User;
import org.pircbotx.hooks.events.MessageEvent;

import java.io.IOException;

public class CommandMcPing extends Command
{
    private final FoxBot foxbot;

    /**
     * Pings a specified hostname with a Minecraft query and returns the MOTD, current users, and game version.
     * A port can optionally be specified if the server is not on the default port.
     * <p/>
     * Usage: .mcping <host> [port]
     */
    public CommandMcPing(FoxBot foxbot)
    {
        super("mcping", "command.mcping");
        this.foxbot = foxbot;
    }

    public void execute(final MessageEvent event, final String[] args)
    {
        User sender = event.getUser();
        Channel channel = event.getChannel();

        if (args.length > 0 && args.length <= 2)
        {
            String host = args[0];
            int port = 25565;

            if (args.length == 2 && StringUtils.isNumeric(args[1]))
            {
                port = Integer.parseInt(args[1]);
            }

            MinecraftPingReply mcping;

            try
            {
                MinecraftPingOptions mcpo = new MinecraftPingOptions().setHostname(host).setPort(port).setTimeout(500);
                mcping = new MinecraftPing().getPing(mcpo);
            }
            catch (IOException ex)
            {
                foxbot.getLogger().error("Error occurred while pinging " + host, ex);
                channel.send().message(String.format("(%s) Looks like %s:%s isn't up.", Utils.munge(sender.getNick()), host, port));
                return;
            }

            String motd = mcping.getDescription().replace("\n", " ");
            String players = mcping.getPlayers().getOnline() + "/" + mcping.getPlayers().getMax();
            String version = mcping.getVersion().getName();
            String finalPing = String.format("%s%s - %s - %s", motd, Colors.NORMAL, players, version);
            channel.send().message(Utils.colourise(String.format("(%s) %s", Utils.munge(sender.getNick()), finalPing), '\u00A7'));
            return;
        }

        sender.send().notice(String.format("Wrong number of args! Use %smcping <host> [port]", foxbot.getConfig().getCommandPrefix()));
    }
}