package com.epson.esl.rms;

import java.net.URL;
import java.net.URLConnection;
import java.util.Date;
import java.util.Timer;
import java.util.TimerTask;

public class TestUrl {

	public static void main(String[] args) {
		timer1();
	}

	public static void timer1() {

		Timer nTimer = new Timer();

		nTimer.schedule(new TimerTask() {

			@Override

			public void run() {

				testUrlWithTimeOut("http://127.0.0.1:8888", 20000); //超时时间 20秒
			}

		},0, 300000);  // 0代表立即执行一次task，然后每隔300秒执行一次task

	}

	public static void testUrlWithTimeOut(String urlString, int timeOutMillSeconds) {
		URL url;
		try {
			url = new URL(urlString);
			URLConnection co = url.openConnection();
			co.setConnectTimeout(timeOutMillSeconds); //设置超时时间，否则时间长没有响应会一直等
			co.connect();
			System.out.println("连接可用 <" + new Date() + ">" + "("+ urlString + ")");
		} catch (Exception e1) {
			System.out.println("连接不可用! <" + new Date() + ">" + "("+ urlString + ")");
			url = null;
		}
	}
}