/*

 * To change this license header, choose License Headers in Project Properties.

 * To change this template file, choose Tools | Templates

 * and open the template in the editor.

 */

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);

    }

}