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* JBoss, Home of Professional Open Source
* Copyright 2007, Red Hat Middleware LLC, and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.ejb3.deployers;
import java.net.URL;
import java.util.HashMap;
import javax.persistence.spi.PersistenceUnitTransactionType;
import org.hibernate.cfg.EJB3DTDEntityResolver;
import org.hibernate.ejb.packaging.PersistenceXmlLoader;
import org.jboss.deployers.structure.spi.DeploymentUnit;
import org.jboss.deployers.vfs.spi.deployer.AbstractVFSParsingDeployer;
import org.jboss.deployers.vfs.spi.structure.VFSDeploymentUnit;
import org.jboss.ejb3.metadata.jpa.spec.PersistenceUnitsMetaData;
import org.jboss.ejb3.protocol.jarjar.Handler;
import org.jboss.logging.Logger;
import org.jboss.virtual.VirtualFile;
/**
* Find and parse persistence.xml.
*
* In a jar:
* META-INF/persistence.xml
*
* In a war (JPA 6.2):
* WEB-INF/classes/META-INF/persistence.xml
*
* @author <a href="mailto:carlo.dewolf@jboss.com">Carlo de Wolf</a>
* @version $Revision: 67871 $
*/
public class PersistenceUnitParsingDeployer extends AbstractVFSParsingDeployer<PersistenceUnitsMetaData>
{
private static final Logger log = Logger.getLogger(PersistenceUnitParsingDeployer.class);
static
{
Handler.init();
}
public PersistenceUnitParsingDeployer()
{
super(PersistenceUnitsMetaData.class);
setName("persistence.xml");
}
@Override
protected PersistenceUnitsMetaData parse(DeploymentUnit unit, String name, PersistenceUnitsMetaData root) throws Exception
{
// Try to find the metadata
VFSDeploymentUnit vfsDeploymentUnit = (VFSDeploymentUnit) unit;
VirtualFile file = vfsDeploymentUnit.getMetaDataFile(name);
if (file == null)
{
// FIXME: hack to get a war persistence unit
try
{
file = vfsDeploymentUnit.getFile("WEB-INF/classes/META-INF/persistence.xml");
if(file == null)
return null;
}
catch(IllegalStateException e)
{
return null;
}
// -- //
}
PersistenceUnitsMetaData result = parse(vfsDeploymentUnit, file, root);
if (result != null)
init(vfsDeploymentUnit, result, file);
return result;
}
@Override
protected PersistenceUnitsMetaData parse(VFSDeploymentUnit unit, VirtualFile file, PersistenceUnitsMetaData root)
throws Exception
{
VirtualFile persistenceRoot = file.getParent().getParent();
// We can't pass in a VFS url.
//URL persistenceUnitRootUrl = persistenceRoot.toURL();
// FIXME: is this a supported hack?
// This introduces severe regression, will go the jar: url way (EJB-326)
//URL persistenceUnitRootUrl = new URL("jarjar:" + persistenceRoot.getHandler().toURL());
// http://opensource.atlassian.com/projects/hibernate/browse/EJB-326
URL persistenceUnitRootUrl = persistenceRoot.getHandler().toURL();
assert persistenceUnitRootUrl.getProtocol().equals("jar") || persistenceUnitRootUrl.getProtocol().equals("file") : "expected a jar or file url, but was " + persistenceUnitRootUrl;
URL persistenceXmlUrl = file.toURL();
PersistenceUnitsMetaData metaData = new PersistenceUnitsMetaData(persistenceUnitRootUrl, PersistenceXmlLoader.deploy(persistenceXmlUrl, new HashMap<String, String>(),
new EJB3DTDEntityResolver(), PersistenceUnitTransactionType.JTA));
log.info("Found persistence units " + metaData);
// FIXME: if in EAR then unscoped else scoped
return metaData;
}
}