1. Add following 2 java class in to web application and adjust time with request time period.
2. Add Listener class property in to web.xml
Web XML entry
Listener class
/*
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* and open the template in the editor.
*/
package com.itfac.chandana;
import javax.servlet.ServletContext;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
/**
*
* @author Chandana
*/
public class WisdomListener implements ServletContextListener {
private ServletContext context = null;
public void contextDestroyed(ServletContextEvent event) {
System.out.println("Application is undeploying");
this.context = null;
}
public void contextInitialized(ServletContextEvent event) {
this.context = event.getServletContext();
TimerTaskScheduler taskShe = new TimerTaskScheduler();
taskShe.test();
System.out.println("Application is deploying");
}
}
TimerTaskScheduler
/*
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* and open the template in the editor.
*/
package com.itfac.chandana;
import java.util.Calendar;
import java.util.Timer;
/**
*
* @author Chandana
*/
public class TimerTaskScheduler {
public void test() {
Timer timer = new Timer();
Calendar date = Calendar.getInstance();
date.set(Calendar.HOUR, 0);
date.set(Calendar.MINUTE, 0);
date.set(Calendar.SECOND, 2);
date.set(Calendar.MILLISECOND, 0);
// Schedule to run every Sunday in midnight
timer.schedule(new JobRunner(), date.getTime(), 1000*60*60*24);
}
}
JobRunner
/*
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* and open the template in the editor.
*/
package com.itfac.chandana;
import java.util.Calendar;
import java.util.Date;
import java.text.*;
import java.sql.*;
import java.util.Timer;
import java.util.TimerTask;
/**
*
* @author Chandana
*/
class JobRunner extends TimerTask {
public JobRunner() {
}
@Override
public void run() {
System.out.println("Generating ");
/**
*Your Cron jobs code want to pply here.
}
}
