/**
* Copyright (C) 2009 fgrilli <federico.grilli@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.google.code.mgnlgroovy.scheduler;
import groovy.lang.Binding;
import groovy.lang.GroovyShell;
import groovy.lang.Script;
import info.magnolia.context.MgnlContext;
import info.magnolia.context.SimpleContext;
import java.util.Map;
import javax.jcr.RepositoryException;
import org.apache.commons.lang.StringUtils;
import org.codehaus.groovy.control.CompilationFailedException;
import org.quartz.Job;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.code.mgnlgroovy.scheduler.manager.JobDefinitionManager;
/**
* A MgnlContext-aware Groovy Job
* @author fgrilli
* @version $Id: GroovyJob.java 38 2009-04-20 16:27:38Z federico.grilli $
*/
public class GroovyJob implements Job
{
private static final Logger log = LoggerFactory.getLogger(GroovyJob.class);
private JobDefinitionManager jobDefinitionManager = JobDefinitionManager.Factory.getInstance();
/**
* @see org.quartz.Job#execute(org.quartz.JobExecutionContext)
*/
public void execute(JobExecutionContext jobCtx) throws JobExecutionException
{
String jobName = jobCtx.getJobDetail().getName();
log.info("starting job [{}]", jobName);
Map jobData = jobCtx.getJobDetail().getJobDataMap();
// init context
MgnlContext.setInstance(new SimpleContext(MgnlContext.getSystemContext()));
String groovyScript = (String) jobData.get(SchedulerConsts.CONFIG_JOB_GROOVY);
if (StringUtils.isEmpty(groovyScript))
{
String msg = "can't find groovy script for job " + jobName;
log.error(msg);
throw new JobExecutionException(msg, false);
}
log.debug("executing script {}", groovyScript);
Object retVal;
JobDefinition jd = null;
try
{
jd = jobDefinitionManager.getJobDefinitionByName(jobName);
if (jd != null)
{
jd.setTerminatedWithError(false);
}
Binding binding = new Binding((Map) jobData.get(SchedulerConsts.CONFIG_JOB_PARAMS));
GroovyShell shell = new GroovyShell(binding);
Script script = shell.parse(groovyScript);
retVal = script.run();
log.info("job [{}] executed successfully , Groovy script returned {}", new Object[]{jobName, retVal });
}
catch (CompilationFailedException e)
{
log.error("An error occurred while parsing the script. Error message is {}", new Object[]{e.getMessage() });
if (jd != null)
{
jd.setTerminatedWithError(true);
}
throw new JobExecutionException("can't execute job " + jobName, e, false);
}
catch (Exception e)
{
log.error(
"An error occurred while executing the script. Error message is {}",
new Object[]{e.getMessage() });
if (jd != null)
{
jd.setTerminatedWithError(true);
}
throw new JobExecutionException("can't execute job " + jobName, e, false);
}
finally
{
MgnlContext.setInstance(null);
try
{
if (jd != null)
{
jd.setLastFireTime(jobCtx.getFireTime().getTime());
jd.setNextFireTime(jobCtx.getNextFireTime().getTime());
jobDefinitionManager.saveOrUpdateJobDefinition(jd);
}
}
catch (RepositoryException e)
{
log.error(e.getMessage());
}
}
}
}