/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., 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.as.ejb3.deployment.processors;
import org.jboss.as.ee.component.AbstractComponentDescription;
import org.jboss.as.ee.component.AbstractDeploymentDescriptorBindingsProcessor;
import org.jboss.as.ee.component.BindingDescription;
import org.jboss.as.ee.component.DeploymentDescriptorEnvironment;
import org.jboss.as.ee.component.EEModuleDescription;
import org.jboss.as.ee.component.LazyBindingSourceDescription;
import org.jboss.as.ee.component.LookupBindingSourceDescription;
import org.jboss.as.ee.component.ServiceBindingSourceDescription;
import org.jboss.as.server.deployment.DeploymentUnit;
import org.jboss.as.server.deployment.DeploymentUnitProcessingException;
import org.jboss.as.server.deployment.reflect.DeploymentReflectionIndex;
import org.jboss.metadata.javaee.spec.EJBLocalReferenceMetaData;
import org.jboss.metadata.javaee.spec.EJBLocalReferencesMetaData;
import org.jboss.msc.service.ServiceName;
import java.util.ArrayList;
import java.util.List;
/**
* Deployment processor responsible for processing ejb references from deployment descriptors
*
* @author Stuart Douglas
*/
public class EjbRefProcessor extends AbstractDeploymentDescriptorBindingsProcessor {
/**
* Resolves ejb-ref and ejb-local-ref elements
*
* @param deploymentUnit
* @param environment The environment to resolve the elements for
* @param classLoader The deployment class loader
* @param deploymentReflectionIndex The reflection index
* @return The bindings for the environment entries
*/
protected List<BindingDescription> processDescriptorEntries(DeploymentUnit deploymentUnit, DeploymentDescriptorEnvironment environment, EEModuleDescription moduleDescription, AbstractComponentDescription componentDescription, ClassLoader classLoader, DeploymentReflectionIndex deploymentReflectionIndex) throws DeploymentUnitProcessingException {
EJBLocalReferencesMetaData ejbLocalRefs = environment.getEnvironment().getEjbLocalReferences();
List<BindingDescription> bindingDescriptions = new ArrayList<BindingDescription>();
//TODO: this needs a lot more work
if(ejbLocalRefs != null) {
for(EJBLocalReferenceMetaData ejbRef : ejbLocalRefs) {
String name = ejbRef.getEjbRefName();
String ejbName = ejbRef.getLink();
String lookup = ejbRef.getLookupName();
String localInterface = ejbRef.getLocal();
Class<?> localInterfaceType = null;
if(!isEmpty(localInterface)) {
try {
classLoader.loadClass(localInterface);
} catch (ClassNotFoundException e) {
throw new DeploymentUnitProcessingException("Could not load local interface type " + localInterface,e);
}
}
if(!name.startsWith("java:")) {
name = environment.getDefaultContext() + name;
}
BindingDescription bindingDescription = new BindingDescription(name);
bindingDescriptions.add(bindingDescription);
//add any injection targets
localInterfaceType = processInjectionTargets(classLoader,deploymentReflectionIndex,ejbRef,bindingDescription,localInterfaceType);
if(localInterfaceType == null) {
throw new DeploymentUnitProcessingException("Could not determine type of ejb-local-ref " + name + " for component " + componentDescription);
}
bindingDescription.setBindingType(localInterfaceType.getName());
if (!isEmpty(lookup)) {
if(componentDescription != null ) {
bindingDescription.setReferenceSourceDescription(new LookupBindingSourceDescription(lookup,componentDescription));
} else {
bindingDescription.setReferenceSourceDescription(new LookupBindingSourceDescription(lookup,moduleDescription));
}
} else if (!isEmpty(ejbName)) {
//TODO: implement cross deployment references
final ServiceName beanServiceName = deploymentUnit.getServiceName()
.append("component").append(ejbName).append("VIEW").append(bindingDescription.getBindingType());
bindingDescription.setReferenceSourceDescription(new ServiceBindingSourceDescription(beanServiceName));
} else {
bindingDescription.setReferenceSourceDescription(new LazyBindingSourceDescription());
}
}
}
return bindingDescriptions;
}
private boolean isEmpty(String string) {
return string == null || string.isEmpty();
}
}