quartz2.2.1-测试02-通过servlet动态修改定时任务运行时间

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package com.yan.test.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.quartz.CronScheduleBuilder;
import org.quartz.CronTrigger;
import org.quartz.Scheduler;
import org.quartz.SchedulerException;
import org.quartz.SchedulerFactory;
import org.quartz.TriggerBuilder;
import org.quartz.TriggerKey;
import org.quartz.impl.StdSchedulerFactory;

/**
*
* @author yan
*/
public class ModifyJobTimeServlet extends HttpServlet {

protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();

SchedulerFactory sf = new StdSchedulerFactory();

/**
* triggerName=triggerNameTest
* triggerGroup=triggerGroupTest
* cron=0/10 * * * * ?
*/
try {
Scheduler scheduler = sf.getScheduler();

String triggerName = request.getParameter("triggerName");
String triggerGroup = request.getParameter("triggerGroup");
String cron = request.getParameter("cron");

TriggerKey tk = new TriggerKey(triggerName,triggerGroup);

CronTrigger newCronTrigger = TriggerBuilder.newTrigger()
.withIdentity(tk)
.withSchedule(CronScheduleBuilder.cronSchedule(cron)).build();

scheduler.rescheduleJob(tk, newCronTrigger);
} catch (SchedulerException ex) {
Logger.getLogger(ModifyJobTimeServlet.class.getName()).log(Level.SEVERE, null, ex);
}

}

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}

@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}

}