com.sshdemo.common.schedule.generate.quartz.EwcmsQuartzJobBean.java Source code

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Here is the source code for com.sshdemo.common.schedule.generate.quartz.EwcmsQuartzJobBean.java

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/**
 * Copyright (c)2010-2011 Enterprise Website Content Management System(EWCMS), All rights reserved.
 * EWCMS PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 * http://www.ewcms.com
 */
package com.sshdemo.common.schedule.generate.quartz;

import java.lang.reflect.Method;
import java.util.Map;

import org.quartz.Job;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
import org.quartz.Scheduler;
import org.quartz.SchedulerException;
import org.springframework.beans.BeanWrapper;
import org.springframework.beans.MutablePropertyValues;
import org.springframework.beans.PropertyAccessorFactory;
import org.springframework.util.ReflectionUtils;

/**
 * 
 * @author wuzhijun
 *
 */
public abstract class EwcmsQuartzJobBean implements Job {

    private static final Method getSchedulerMethod;
    private static final Method getMergedJobDataMapMethod;

    static {
        try {
            getSchedulerMethod = org.quartz.impl.JobExecutionContextImpl.class.getMethod("getScheduler",
                    new Class[0]);
            getMergedJobDataMapMethod = org.quartz.impl.JobExecutionContextImpl.class
                    .getMethod("getMergedJobDataMap", new Class[0]);
        } catch (NoSuchMethodException ex) {
            throw new IllegalStateException((new StringBuilder("Incompatible Quartz API: ")).append(ex).toString());
        }
    }

    @SuppressWarnings("rawtypes")
    @Override
    public void execute(JobExecutionContext context) throws JobExecutionException {
        try {
            Scheduler scheduler = (Scheduler) ReflectionUtils.invokeMethod(getSchedulerMethod, context);
            Map mergedJobDataMap = (Map) ReflectionUtils.invokeMethod(getMergedJobDataMapMethod, context);
            BeanWrapper bw = PropertyAccessorFactory.forBeanPropertyAccess(this);
            MutablePropertyValues pvs = new MutablePropertyValues();
            pvs.addPropertyValues(scheduler.getContext());
            pvs.addPropertyValues(mergedJobDataMap);
            bw.setPropertyValues(pvs, true);
        } catch (SchedulerException ex) {
            throw new JobExecutionException(ex);
        }
        executeInternal(context);
    }

    protected abstract void executeInternal(JobExecutionContext jobexecutioncontext) throws JobExecutionException;

}