Java tutorial
/* * 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())); } }