PingPlugin.java

/*
 	org.manalith.ircbot.plugin.ping/PingPlugin.java
 	ManalithBot - An open source IRC bot based on the PircBot Framework.
 	Copyright (C) 2012  Ki-Beom Kim

    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 org.manalith.ircbot.plugin.ping;

import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;

import org.manalith.ircbot.annotation.Option;
import org.manalith.ircbot.common.stereotype.BotCommand;
import org.manalith.ircbot.plugin.SimplePlugin;
import org.springframework.stereotype.Component;

@Component
public class PingPlugin extends SimplePlugin {

	@Override
	public String getName() {
		return "핑";
	}

	@Override
	public String getHelp() {
		return "서버에 ICMP ECHO 요청을 보내고 결과를 표시합니다.";
	}

	@BotCommand("핑")
	public String ping(
			@Option(name = "대상", help = "핑을 보낼 도메인 혹은 IP 주소") String uri) {
		InetAddress addr;

		try {
			addr = InetAddress.getByName(uri);
		} catch (UnknownHostException e) {
			return "[Ping] 올바른 주소가 아닙니다.";
		}

		try {
			return String.format("[Ping] %s(%s) is %s: ", addr.getHostName(),
					addr.getHostAddress(), addr.isReachable(3000) ? "reachable"
							: "not reachable");
		} catch (IOException e) {
			return String.format("[Ping] 네트웍 오류가 발생했습니다.(%s)", e.getMessage());
		}
	}
}