/*
* JBoss, Home of Professional Open Source.
* Copyright 2010, 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.ee.managedbean.processors;
import org.jboss.as.ee.component.BindingDescription;
import org.jboss.as.ee.component.EEModuleDescription;
import org.jboss.as.ee.component.ServiceBindingSourceDescription;
import org.jboss.as.ee.managedbean.component.ManagedBeanComponentDescription;
import org.jboss.as.server.deployment.Attachments;
import org.jboss.as.server.deployment.DeploymentPhaseContext;
import org.jboss.as.server.deployment.DeploymentUnit;
import org.jboss.as.server.deployment.DeploymentUnitProcessingException;
import org.jboss.as.server.deployment.DeploymentUnitProcessor;
import org.jboss.as.server.deployment.annotation.CompositeIndex;
import org.jboss.jandex.AnnotationInstance;
import org.jboss.jandex.AnnotationTarget;
import org.jboss.jandex.AnnotationValue;
import org.jboss.jandex.ClassInfo;
import org.jboss.jandex.DotName;
import org.jboss.msc.service.ServiceName;
import javax.annotation.ManagedBean;
import java.util.List;
/**
* Deployment unit processor responsible for scanning a deployment to find classes with {@code javax.annotation.ManagedBean} annotations.
* Note: This processor only supports JSR-316 compliant managed beans. So it will not handle complimentary spec additions (ex. EJB).
*
* @author John E. Bailey
*/
public class ManagedBeanAnnotationProcessor implements DeploymentUnitProcessor {
static final DotName MANAGED_BEAN_ANNOTATION_NAME = DotName.createSimple(ManagedBean.class.getName());
/**
* Check the deployment annotation index for all classes with the @ManagedBean annotation. For each class with the
* annotation, collect all the required information to create a managed bean instance, and attach it to the context.
*
* @param phaseContext the deployment unit context
* @throws DeploymentUnitProcessingException
*
*/
public void deploy(DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
final EEModuleDescription moduleDescription = deploymentUnit.getAttachment(org.jboss.as.ee.component.Attachments.EE_MODULE_DESCRIPTION);
final String applicationName = moduleDescription.getAppName();
final CompositeIndex compositeIndex = deploymentUnit.getAttachment(Attachments.COMPOSITE_ANNOTATION_INDEX);
if(compositeIndex == null) {
return;
}
final List<AnnotationInstance> instances = compositeIndex.getAnnotations(MANAGED_BEAN_ANNOTATION_NAME);
if (instances == null || instances.isEmpty()) {
return;
}
for (AnnotationInstance instance : instances) {
AnnotationTarget target = instance.target();
if (!(target instanceof ClassInfo)) {
throw new DeploymentUnitProcessingException("The ManagedBean annotation is only allowed at the class level: " + target);
}
final ClassInfo classInfo = (ClassInfo) target;
final String beanClassName = classInfo.name().toString();
// Get the managed bean name from the annotation
final AnnotationValue nameValue = instance.value();
final String beanName = nameValue == null || nameValue.asString().isEmpty() ? beanClassName : nameValue.asString();
final ManagedBeanComponentDescription componentDescription = new ManagedBeanComponentDescription(beanName, beanClassName, moduleDescription);
final ServiceName baseName = deploymentUnit.getServiceName().append("component").append(beanName);
// Add the view
componentDescription.getViewClassNames().add(beanClassName);
// Bind the view to its two JNDI locations
// TODO - this should be a bit more elegant
final BindingDescription moduleBinding = new BindingDescription("java:module/" + beanName);
moduleBinding.setBindingType(beanClassName);
moduleBinding.setReferenceSourceDescription(new ServiceBindingSourceDescription(baseName.append("VIEW").append(beanClassName)));
componentDescription.addBinding(moduleBinding);
final BindingDescription appBinding = new BindingDescription("java:app/" + moduleDescription.getModuleName() + "/" + beanName);
appBinding.setBindingType(beanClassName);
appBinding.setReferenceSourceDescription(new ServiceBindingSourceDescription(baseName.append("VIEW").append(beanClassName)));
componentDescription.addBinding(appBinding);
moduleDescription.addComponent(componentDescription);
}
}
public void undeploy(DeploymentUnit context) {
}
}