/*
* JBoss, Home of Professional Open Source
* Copyright 2010, Red Hat Inc., 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.as.ejb3.deployment.processors.merging;
import java.lang.reflect.Method;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.ejb.Remove;
import org.jboss.as.ee.component.EEApplicationClasses;
import org.jboss.as.ee.component.EEModuleClassDescription;
import org.jboss.as.ee.metadata.ClassAnnotationInformation;
import org.jboss.as.ejb3.component.stateful.StatefulComponentDescription;
import org.jboss.as.ejb3.deployment.processors.dd.MethodResolutionUtils;
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.invocation.proxy.MethodIdentifier;
import org.jboss.metadata.ejb.spec.NamedMethodMetaData;
import org.jboss.metadata.ejb.spec.RemoveMethodMetaData;
import org.jboss.metadata.ejb.spec.SessionBeanMetaData;
/**
* Class that can merge {@link javax.ejb.Remove}
*
* @author Stuart Douglas
*/
public class RemoveMethodMergingProcessor extends AbstractMergingProcessor<StatefulComponentDescription> {
public RemoveMethodMergingProcessor() {
super(StatefulComponentDescription.class);
}
protected void handleAnnotations(final DeploymentUnit deploymentUnit, final EEApplicationClasses applicationClasses, final DeploymentReflectionIndex deploymentReflectionIndex, final Class<?> componentClass, final StatefulComponentDescription componentConfiguration) throws DeploymentUnitProcessingException {
EEModuleClassDescription clazz = applicationClasses.getClassByName(componentClass.getName());
if (clazz != null) {
ClassAnnotationInformation<Remove, Boolean> annotations = clazz.getAnnotationInformation(Remove.class);
if (annotations != null) {
for(Map.Entry<MethodIdentifier, List<Boolean>> entry : annotations.getMethodLevelAnnotations().entrySet()) {
final Boolean retainIfException = entry.getValue().get(0);
componentConfiguration.addRemoveMethod(entry.getKey(), retainIfException);
}
}
}
}
protected void handleDeploymentDescriptor(final DeploymentUnit deploymentUnit, final DeploymentReflectionIndex deploymentReflectionIndex, final Class<?> componentClass, final StatefulComponentDescription componentConfiguration) throws DeploymentUnitProcessingException {
SessionBeanMetaData beanMetaData = componentConfiguration.getDescriptorData();
if (beanMetaData == null) {
return;
}
if (beanMetaData.getRemoveMethods() == null || beanMetaData.getRemoveMethods().isEmpty()) {
return;
}
final DeploymentReflectionIndex reflectionIndex = deploymentUnit.getAttachment(org.jboss.as.server.deployment.Attachments.REFLECTION_INDEX);
final Set<MethodIdentifier> annotationRemoveMethods = new HashSet<MethodIdentifier>();
for(final StatefulComponentDescription.StatefulRemoveMethod method : componentConfiguration.getRemoveMethods()) {
annotationRemoveMethods.add(method.getMethodIdentifier());
}
//We loop through twice, as the more more general form with no parameters is applied to all methods with that name
//while the method that specifies the actual parameters override this
for (final RemoveMethodMetaData removeMethod : beanMetaData.getRemoveMethods()) {
if(removeMethod.getBeanMethod().getMethodParams() == null) {
final NamedMethodMetaData methodData = removeMethod.getBeanMethod();
final Collection<Method> methods = MethodResolutionUtils.resolveMethods(methodData, componentClass, reflectionIndex);
for(final Method method : methods) {
final Boolean retainIfException = removeMethod.getRetainIfException();
final MethodIdentifier methodIdentifier = MethodIdentifier.getIdentifierForMethod(method);
if(retainIfException == null) {
//if this is null we have to allow annotation values of retainIfException to take precidence
if(!annotationRemoveMethods.contains(methodIdentifier)) {
componentConfiguration.addRemoveMethod(methodIdentifier, false);
}
} else {
componentConfiguration.addRemoveMethod(methodIdentifier, retainIfException);
}
}
}
}
for (final RemoveMethodMetaData removeMethod : beanMetaData.getRemoveMethods()) {
if(removeMethod.getBeanMethod().getMethodParams() != null) {
final NamedMethodMetaData methodData = removeMethod.getBeanMethod();
final Collection<Method> methods = MethodResolutionUtils.resolveMethods(methodData, componentClass, reflectionIndex);
for(final Method method : methods) {
final Boolean retainIfException = removeMethod.getRetainIfException();
final MethodIdentifier methodIdentifier = MethodIdentifier.getIdentifierForMethod(method);
if(retainIfException == null) {
//if this is null we have to allow annotation values of retainIfException to take precidence
if(!annotationRemoveMethods.contains(methodIdentifier)) {
componentConfiguration.addRemoveMethod(methodIdentifier, false);
}
} else {
componentConfiguration.addRemoveMethod(methodIdentifier, retainIfException);
}
}
}
}
}
}