com.github.dbourdette.glass.job.GlassJobFactory.java Source code

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Here is the source code for com.github.dbourdette.glass.job.GlassJobFactory.java

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/*
 * Copyright 2011 Damien Bourdette
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.github.dbourdette.glass.job;

import java.text.SimpleDateFormat;
import java.util.Date;

import javax.inject.Inject;

import com.github.dbourdette.glass.configuration.Configuration;
import com.github.dbourdette.glass.configuration.InjectionType;
import org.quartz.Job;
import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.SchedulerException;
import org.quartz.spi.JobFactory;
import org.quartz.spi.TriggerFiredBundle;
import org.springframework.beans.AbstractPropertyAccessor;
import org.springframework.beans.BeanWrapperImpl;
import org.springframework.beans.DirectFieldAccessor;
import org.springframework.beans.MutablePropertyValues;
import org.springframework.beans.propertyeditors.CustomDateEditor;
import org.springframework.stereotype.Component;

/**
 * @author damien bourdette
 */
@Component
public class GlassJobFactory implements JobFactory {
    @Inject
    private Configuration configuration;

    @Override
    public Job newJob(TriggerFiredBundle bundle, Scheduler scheduler) throws SchedulerException {
        Job job = createJob(bundle.getJobDetail());

        setProperties(bundle, job);

        return job;
    }

    private Job createJob(JobDetail jobDetail) throws SchedulerException {
        Class<? extends Job> jobClass = jobDetail.getJobClass();

        try {
            return (Job) jobClass.newInstance();
        } catch (Exception e) {
            throw new SchedulerException("Problem instantiating class '" + jobDetail.getJobClass().getName() + "'",
                    e);
        }
    }

    private void setProperties(TriggerFiredBundle bundle, Job job) {
        MutablePropertyValues pvs = new MutablePropertyValues();

        pvs.addPropertyValues(bundle.getJobDetail().getJobDataMap());
        pvs.addPropertyValues(bundle.getTrigger().getJobDataMap());

        buildAccessor(job).setPropertyValues(pvs, true);
    }

    private AbstractPropertyAccessor buildAccessor(Job job) {
        AbstractPropertyAccessor accessor = null;

        if (configuration.getInjectionType() == InjectionType.FIELD) {
            accessor = new DirectFieldAccessor(job);
        } else {
            accessor = new BeanWrapperImpl(job);
        }

        SimpleDateFormat simpleDateFormat = new SimpleDateFormat(configuration.getDateFormat());
        CustomDateEditor customDateEditor = new CustomDateEditor(simpleDateFormat, true);
        accessor.registerCustomEditor(Date.class, customDateEditor);

        return accessor;
    }
}