java springmvc ServletContextListener监听_springmvc 监听servletcontext

package com.esafenet.ta.da.reoortriskrule.listener;
 
 
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
 
 
public class ReportRiskRule implements ServletContextListener{
	private ReportThread reportThread = null;
	/**
	 * 上下文销毁时监听执行方法
	 */
	@Override
	public void contextDestroyed(ServletContextEvent arg0) {
		 System.out.println("哎呦 关了");
		 destroyThread();
	}
	
	/**
	 * 上下文启动时监听执行方法
	 */
	@Override
	public void contextInitialized(ServletContextEvent arg0) {
		System.out.println("哎呦启动了");
		startThreat();
	}
	/**
	 * 启动线程
	 */
	private void startThreat() {
		if(reportThread==null){
			reportThread = new ReportThread();
			reportThread.start();
		}
	}
	/**
	 * 销毁线程
	 */
	private void destroyThread() {
		if(reportThread != null && reportThread.isInterrupted()){
			reportThread.interrupt();
		}
	}
	/**
	 * 轮训的线程执行下级给上级上报风险数据
	 * @author Administrator
	 *
	 */
	private class ReportThread extends Thread{
 
 
		@Override
		public void run() {
			while(true){
				 try {
						System.out.println("我是轮训一直输出");
						Thread.sleep(3000);
					} catch (InterruptedException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					}
			}
		}
	}
//	public static void main(String[] args) {
//		if(reportThread==null){
//			reportThread = new ReportThread();
//			reportThread.start();
//		}
//	}
}