/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file 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.resolvers;
import org.jboss.deployers.structure.spi.DeploymentUnit;
import org.jboss.metadata.client.jboss.JBossClientMetaData;
import org.jboss.metadata.ejb.jboss.JBossMetaData;
import org.jboss.metadata.javaee.spec.MessageDestinationMetaData;
import org.jboss.metadata.javaee.spec.MessageDestinationsMetaData;
import org.jboss.metadata.web.jboss.JBossWebMetaData;
/**
* The default implementation of a MessageDestinationReferenceResolver.
*
* @author <a href="mailto:cdewolf@redhat.com">Carlo de Wolf</a>
* @version $Revision: $
*/
public class DefaultMessageDestinationReferenceResolver implements MessageDestinationReferenceResolver
{
private static String findMessageDestination(DeploymentUnit deploymentUnit, MessageDestinationsMetaData destinations, String name)
{
if(destinations == null)
return null;
MessageDestinationMetaData destination = destinations.get(name);
if(destination != null)
{
String jndiName = destination.getMappedName();
if(jndiName != null)
return jndiName;
else
throw new IllegalStateException("Message destination " + name + " in " + deploymentUnit + " does not define a mapped name");
}
return null;
}
private static String findWithinApplication(DeploymentUnit unit, String name)
{
String jndiName = findWithinModule(unit, name);
if(jndiName != null)
return jndiName;
for(DeploymentUnit child : unit.getChildren())
{
jndiName = findWithinApplication(child, name);
if(jndiName != null)
return jndiName;
}
return null;
}
private static String findWithinModule(DeploymentUnit deploymentUnit, String name)
{
JBossMetaData ejbMetaData = deploymentUnit.getAttachment(JBossMetaData.class);
if(ejbMetaData != null)
{
MessageDestinationsMetaData destinations = ejbMetaData.getAssemblyDescriptor().getMessageDestinations();
String jndiName = findMessageDestination(deploymentUnit, destinations, name);
if(jndiName != null)
return jndiName;
}
JBossWebMetaData webMetaData = deploymentUnit.getAttachment(JBossWebMetaData.class);
if(webMetaData != null)
{
MessageDestinationsMetaData destinations = webMetaData.getMessageDestinations();
String jndiName = findMessageDestination(deploymentUnit, destinations, name);
if(jndiName != null)
return jndiName;
}
JBossClientMetaData clientMetaData = deploymentUnit.getAttachment(JBossClientMetaData.class);
if(clientMetaData != null)
{
MessageDestinationsMetaData destinations = clientMetaData.getMessageDestinations();
String jndiName = findMessageDestination(deploymentUnit, destinations, name);
if(jndiName != null)
return jndiName;
}
return null;
}
// TODO: duplicate of DefaultPersistenceUnitDependencyResolver.getDeploymentUnit
private static DeploymentUnit getDeploymentUnit(DeploymentUnit current, String path)
{
if(path.startsWith("/"))
return getDeploymentUnit(current.getTopLevel(), path.substring(1));
if(path.startsWith("./"))
return getDeploymentUnit(current, path.substring(2));
if(path.startsWith("../"))
return getDeploymentUnit(current.getParent(), path.substring(3));
int i = path.indexOf('/');
String name;
if(i == -1)
name = path;
else
name = path.substring(0, i);
for(DeploymentUnit child : current.getChildren())
{
if(child.getSimpleName().equals(name))
return child;
}
throw new IllegalArgumentException("Can't find a deployment unit named " + name + " at " + current);
}
public String resolveMessageDestinationJndiName(DeploymentUnit deploymentUnit, String link)
{
int i = (link == null ? -1 : link.indexOf('#'));
if(i != -1)
{
String path = link.substring(0, i);
link = link.substring(i + 1);
// Since we want to look relatively to the component jar, we should start in
// our parent.
deploymentUnit = getDeploymentUnit(deploymentUnit, "../" + path);
String jndiName = findWithinModule(deploymentUnit, link);
if(jndiName != null)
return jndiName;
}
else
{
String jndiName = findWithinModule(deploymentUnit, link);
if(jndiName != null)
return jndiName;
// TODO: can't find this in the spec, but apparently it's allowed.
jndiName = findWithinApplication(deploymentUnit.getTopLevel(), link);
if(jndiName != null)
return jndiName;
}
throw new IllegalArgumentException("Deployment unit " + deploymentUnit + " does not define a message destination " + link);
}
}