/*
* 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 java.util.ArrayList;
import java.util.List;
import org.jboss.as.ee.component.BindingConfiguration;
import org.jboss.as.ee.component.ComponentDescription;
import org.jboss.as.ee.component.DeploymentDescriptorEnvironment;
import org.jboss.as.ee.component.EEApplicationClasses;
import org.jboss.as.ee.component.LookupInjectionSource;
import org.jboss.as.ee.component.ResourceInjectionTarget;
import org.jboss.as.ee.component.deployers.AbstractDeploymentDescriptorBindingsProcessor;
import org.jboss.as.ee.utils.ClassLoadingUtils;
import org.jboss.as.ejb3.logging.EjbLogger;
import org.jboss.as.ejb3.deployment.EjbDeploymentAttachmentKeys;
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.metadata.javaee.spec.EJBReferenceMetaData;
import org.jboss.metadata.javaee.spec.EJBReferencesMetaData;
import org.jboss.metadata.javaee.spec.Environment;
import org.jboss.metadata.javaee.spec.RemoteEnvironment;
/**
* Deployment processor responsible for processing ejb references from deployment descriptors
*
* @author Stuart Douglas
*/
public class EjbRefProcessor extends AbstractDeploymentDescriptorBindingsProcessor {
private final boolean appclient;
public EjbRefProcessor(boolean appclient) {
this.appclient = appclient;
}
/**
* Resolves ejb-ref and ejb-local-ref elements
*
*
* @param deploymentUnit
* @param environment The environment to resolve the elements for
* @param componentDescription
*@param classLoader The deployment class loader
* @param deploymentReflectionIndex The reflection index
* @param applicationClasses @return The bindings for the environment entries
*/
protected List<BindingConfiguration> processDescriptorEntries(DeploymentUnit deploymentUnit, DeploymentDescriptorEnvironment environment, ResourceInjectionTarget resourceInjectionTarget, final ComponentDescription componentDescription, ClassLoader classLoader, DeploymentReflectionIndex deploymentReflectionIndex, final EEApplicationClasses applicationClasses) throws DeploymentUnitProcessingException {
final RemoteEnvironment remoteEnvironment = environment.getEnvironment();
List<BindingConfiguration> bindingDescriptions = new ArrayList<BindingConfiguration>();
EJBReferencesMetaData ejbRefs = remoteEnvironment.getEjbReferences();
if (ejbRefs != null) {
for (EJBReferenceMetaData ejbRef : ejbRefs) {
String name = ejbRef.getEjbRefName();
String ejbName = ejbRef.getLink();
String lookup = ejbRef.getLookupName() != null ? ejbRef.getLookupName() : ejbRef.getMappedName();
String remoteInterface = ejbRef.getRemote();
String home = ejbRef.getHome();
Class<?> remoteInterfaceType = null;
//if a home is specified this is the type that is bound
if (!isEmpty(home)) {
try {
remoteInterfaceType = ClassLoadingUtils.loadClass(home, deploymentUnit);
} catch (ClassNotFoundException e) {
throw EjbLogger.ROOT_LOGGER.failedToLoadViewClass(e, home);
}
} else if (!isEmpty(remoteInterface)) {
try {
remoteInterfaceType = ClassLoadingUtils.loadClass(remoteInterface, deploymentUnit);
} catch (ClassNotFoundException e) {
throw EjbLogger.ROOT_LOGGER.failedToLoadViewClass(e, remoteInterface);
}
}
if (!name.startsWith("java:")) {
name = environment.getDefaultContext() + name;
}
// our injection (source) comes from the local (ENC) lookup, no matter what.
LookupInjectionSource injectionSource = new LookupInjectionSource(name);
//add any injection targets
remoteInterfaceType = processInjectionTargets(resourceInjectionTarget, injectionSource, classLoader, deploymentReflectionIndex, ejbRef, remoteInterfaceType);
final BindingConfiguration bindingConfiguration;
EjbInjectionSource ejbInjectionSource = null;
if (!isEmpty(lookup)) {
if (!lookup.startsWith("java:")) {
bindingConfiguration = new BindingConfiguration(name, new EjbLookupInjectionSource(lookup, remoteInterfaceType));
} else {
bindingConfiguration = new BindingConfiguration(name, new LookupInjectionSource(lookup));
}
} else {
if (remoteInterfaceType == null) {
throw EjbLogger.ROOT_LOGGER.couldNotDetermineEjbRefForInjectionTarget(name, resourceInjectionTarget);
}
if (!isEmpty(ejbName)) {
bindingConfiguration = new BindingConfiguration(name, ejbInjectionSource = new EjbInjectionSource(ejbName, remoteInterfaceType.getName(), name, deploymentUnit, appclient));
} else {
bindingConfiguration = new BindingConfiguration(name, ejbInjectionSource = new EjbInjectionSource(remoteInterfaceType.getName(), name, deploymentUnit, appclient));
}
}
if (ejbInjectionSource != null) {
deploymentUnit.addToAttachmentList(EjbDeploymentAttachmentKeys.EJB_INJECTIONS, ejbInjectionSource);
}
bindingDescriptions.add(bindingConfiguration);
}
}
if (remoteEnvironment instanceof Environment && !appclient) {
EJBLocalReferencesMetaData ejbLocalRefs = ((Environment) remoteEnvironment).getEjbLocalReferences();
if (ejbLocalRefs != null) {
for (EJBLocalReferenceMetaData ejbRef : ejbLocalRefs) {
String name = ejbRef.getEjbRefName();
String ejbName = ejbRef.getLink();
String lookup = ejbRef.getLookupName() != null ? ejbRef.getLookupName() : ejbRef.getMappedName();
String localInterface = ejbRef.getLocal();
String localHome = ejbRef.getLocalHome();
Class<?> localInterfaceType = null;
//if a home is specified this is the type that is bound
if (!isEmpty(localHome)) {
try {
localInterfaceType = ClassLoadingUtils.loadClass(localHome, deploymentUnit);
} catch (ClassNotFoundException e) {
throw EjbLogger.ROOT_LOGGER.failedToLoadViewClass(e, localHome);
}
} else if (!isEmpty(localInterface)) {
try {
localInterfaceType = ClassLoadingUtils.loadClass(localInterface, deploymentUnit);
} catch (ClassNotFoundException e) {
throw EjbLogger.ROOT_LOGGER.failedToLoadViewClass(e, localInterface);
}
}
if (!name.startsWith("java:")) {
name = environment.getDefaultContext() + name;
}
// our injection (source) comes from the local (ENC) lookup, no matter what.
LookupInjectionSource injectionSource = new LookupInjectionSource(name);
//add any injection targets
localInterfaceType = processInjectionTargets(resourceInjectionTarget, injectionSource, classLoader, deploymentReflectionIndex, ejbRef, localInterfaceType);
if (localInterfaceType == null) {
throw EjbLogger.ROOT_LOGGER.couldNotDetermineEjbLocalRefForInjectionTarget(name, resourceInjectionTarget);
}
final BindingConfiguration bindingConfiguration;
EjbInjectionSource ejbInjectionSource = null;
if (!isEmpty(lookup)) {
if (!lookup.startsWith("java:")) {
bindingConfiguration = new BindingConfiguration(name, new EjbLookupInjectionSource(lookup, localInterfaceType));
} else {
bindingConfiguration = new BindingConfiguration(name, new LookupInjectionSource(lookup));
}
} else if (!isEmpty(ejbName)) {
bindingConfiguration = new BindingConfiguration(name, ejbInjectionSource = new EjbInjectionSource(ejbName, localInterfaceType.getName(), name, deploymentUnit, appclient));
} else {
bindingConfiguration = new BindingConfiguration(name, ejbInjectionSource = new EjbInjectionSource(localInterfaceType.getName(), name, deploymentUnit, appclient));
}
if (ejbInjectionSource != null) {
deploymentUnit.addToAttachmentList(EjbDeploymentAttachmentKeys.EJB_INJECTIONS, ejbInjectionSource);
}
bindingDescriptions.add(bindingConfiguration);
}
}
}
return bindingDescriptions;
}
private boolean isEmpty(String string) {
return string == null || string.isEmpty();
}
}