/*
* 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.weld.deployment.processors;
import java.util.HashSet;
import java.util.Set;
import javax.enterprise.inject.spi.InterceptionType;
import org.jboss.as.ee.component.ComponentConfiguration;
import org.jboss.as.ee.component.ComponentConfigurator;
import org.jboss.as.ee.component.ComponentDescription;
import org.jboss.as.ee.component.ComponentStartService;
import org.jboss.as.ee.component.DependencyConfigurator;
import org.jboss.as.ee.component.EEModuleDescription;
import org.jboss.as.ee.component.InterceptorDescription;
import org.jboss.as.ee.component.interceptors.InterceptorOrder;
import org.jboss.as.ee.component.interceptors.UserInterceptorFactory;
import org.jboss.as.ejb3.component.EJBComponentDescription;
import org.jboss.as.ejb3.component.messagedriven.MessageDrivenComponentDescription;
import org.jboss.as.ejb3.component.stateful.StatefulComponentDescription;
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.reflect.ClassIndex;
import org.jboss.as.server.deployment.reflect.DeploymentClassIndex;
import org.jboss.as.weld.WeldContainer;
import org.jboss.as.weld.WeldDeploymentMarker;
import org.jboss.as.weld.WeldMessages;
import org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor;
import org.jboss.as.weld.ejb.Jsr299BindingsInterceptor;
import org.jboss.as.weld.injection.WeldInjectionInterceptor;
import org.jboss.as.weld.injection.WeldManagedReferenceFactory;
import org.jboss.as.weld.services.WeldService;
import org.jboss.modules.ModuleClassLoader;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceTarget;
/**
* Deployment unit processor that add the {@link org.jboss.as.weld.injection.WeldManagedReferenceFactory} instantiator
* to components that are part of a bean archive.
*
* @author Stuart Douglas
*/
public class WeldComponentIntegrationProcessor implements DeploymentUnitProcessor {
@Override
public void deploy(DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
final DeploymentClassIndex classIndex = deploymentUnit.getAttachment(Attachments.CLASS_INDEX);
if (!WeldDeploymentMarker.isWeldDeployment(deploymentUnit)) {
return;
}
final DeploymentUnit topLevelDeployment = deploymentUnit.getParent() == null ? deploymentUnit : deploymentUnit.getParent();
final EEModuleDescription eeModuleDescription = deploymentUnit.getAttachment(org.jboss.as.ee.component.Attachments.EE_MODULE_DESCRIPTION);
final ServiceName weldServiceName = topLevelDeployment.getServiceName().append(WeldService.SERVICE_NAME);
for (ComponentDescription component : eeModuleDescription.getComponentDescriptions()) {
final String beanName;
if (component instanceof EJBComponentDescription) {
beanName = component.getComponentName();
} else {
beanName = null;
}
component.getConfigurators().addFirst(new ComponentConfigurator() {
@Override
public void configure(final DeploymentPhaseContext context, final ComponentDescription description, final ComponentConfiguration configuration) throws DeploymentUnitProcessingException {
final Class<?> componentClass = configuration.getComponentClass();
final DeploymentUnit deploymentUnit = context.getDeploymentUnit();
final ModuleClassLoader classLoader = deploymentUnit.getAttachment(Attachments.MODULE).getClassLoader();
//get the interceptors so they can be injected as well
final Set<Class<?>> interceptorClasses = new HashSet<Class<?>>();
for (InterceptorDescription interceptorDescription : description.getAllInterceptors()) {
try {
final ClassIndex index = classIndex.classIndex(interceptorDescription.getInterceptorClassName());
interceptorClasses.add(index.getModuleClass());
} catch (ClassNotFoundException e) {
throw WeldMessages.MESSAGES.couldNotLoadInterceptorClass(interceptorDescription.getInterceptorClassName(), e);
}
}
addWeldIntegration(context.getServiceTarget(), configuration, description, componentClass, beanName, weldServiceName, interceptorClasses, classLoader, description.getBeanDeploymentArchiveId());
configuration.addPostConstructInterceptor(new WeldInjectionInterceptor.Factory(configuration, interceptorClasses), InterceptorOrder.ComponentPostConstruct.WELD_INJECTION);
//add a context key for weld interceptor replication
if (description instanceof StatefulComponentDescription) {
configuration.getInterceptorContextKeys().add(InterceptionType.AROUND_INVOKE);
configuration.getInterceptorContextKeys().add(InterceptionType.AROUND_TIMEOUT);
configuration.getInterceptorContextKeys().add(InterceptionType.POST_ACTIVATE);
configuration.getInterceptorContextKeys().add(InterceptionType.POST_CONSTRUCT);
configuration.getInterceptorContextKeys().add(InterceptionType.PRE_DESTROY);
configuration.getInterceptorContextKeys().add(InterceptionType.PRE_PASSIVATE);
}
}
});
}
}
/**
* As the weld based instantiator needs access to the bean manager it is installed as a service.
*/
private void addWeldIntegration(final ServiceTarget target, final ComponentConfiguration configuration, final ComponentDescription description, final Class<?> componentClass, final String beanName, final ServiceName weldServiceName, final Set<Class<?>> interceptorClasses, final ClassLoader classLoader, final String beanDeploymentArchiveId) {
final ServiceName serviceName = configuration.getComponentDescription().getServiceName().append("WeldInstantiator");
final WeldManagedReferenceFactory factory = new WeldManagedReferenceFactory(componentClass, beanName, interceptorClasses, classLoader, beanDeploymentArchiveId);
ServiceBuilder<WeldManagedReferenceFactory> builder = target.addService(serviceName, factory)
.addDependency(weldServiceName, WeldContainer.class, factory.getWeldContainer());
configuration.setInstanceFactory(factory);
configuration.getStartDependencies().add(new DependencyConfigurator<ComponentStartService>() {
@Override
public void configureDependency(final ServiceBuilder<?> serviceBuilder, ComponentStartService service) throws DeploymentUnitProcessingException {
serviceBuilder.addDependency(serviceName);
}
});
//if this is an ejb add the EJB interceptors
if (description instanceof EJBComponentDescription) {
//add interceptor to activate the request scope if required
final EjbRequestScopeActivationInterceptor.Factory requestFactory = new EjbRequestScopeActivationInterceptor.Factory(weldServiceName, description instanceof MessageDrivenComponentDescription);
configuration.addComponentInterceptor(requestFactory, InterceptorOrder.Component.CDI_REQUEST_SCOPE, false);
final Jsr299BindingsInterceptor.Factory aroundInvokeFactory = new Jsr299BindingsInterceptor.Factory(description.getBeanDeploymentArchiveId(), beanName, InterceptionType.AROUND_INVOKE, classLoader);
final Jsr299BindingsInterceptor.Factory aroundTimeoutFactory = new Jsr299BindingsInterceptor.Factory(description.getBeanDeploymentArchiveId(), beanName, InterceptionType.AROUND_TIMEOUT, classLoader);
builder.addDependency(weldServiceName, WeldContainer.class, aroundTimeoutFactory.getWeldContainer());
builder.addDependency(weldServiceName, WeldContainer.class, aroundInvokeFactory.getWeldContainer());
configuration.addComponentInterceptor(new UserInterceptorFactory(aroundInvokeFactory, aroundTimeoutFactory), InterceptorOrder.Component.CDI_INTERCEPTORS, false);
final Jsr299BindingsInterceptor.Factory preDestroyInterceptor = new Jsr299BindingsInterceptor.Factory(description.getBeanDeploymentArchiveId(), beanName, InterceptionType.PRE_DESTROY, classLoader);
builder.addDependency(weldServiceName, WeldContainer.class, preDestroyInterceptor.getWeldContainer());
configuration.addPreDestroyInterceptor(preDestroyInterceptor, InterceptorOrder.ComponentPreDestroy.CDI_INTERCEPTORS);
if (description.isPassivationApplicable()) {
final Jsr299BindingsInterceptor.Factory prePassivateInterceptor = new Jsr299BindingsInterceptor.Factory(description.getBeanDeploymentArchiveId(), beanName, InterceptionType.PRE_PASSIVATE, classLoader);
builder.addDependency(weldServiceName, WeldContainer.class, prePassivateInterceptor.getWeldContainer());
configuration.addPrePassivateInterceptor(prePassivateInterceptor, InterceptorOrder.ComponentPassivation.CDI_INTERCEPTORS);
final Jsr299BindingsInterceptor.Factory postActivateInterceptor = new Jsr299BindingsInterceptor.Factory(description.getBeanDeploymentArchiveId(), beanName, InterceptionType.POST_ACTIVATE, classLoader);
builder.addDependency(weldServiceName, WeldContainer.class, postActivateInterceptor.getWeldContainer());
configuration.addPostActivateInterceptor(postActivateInterceptor, InterceptorOrder.ComponentPassivation.CDI_INTERCEPTORS);
}
final Jsr299BindingsInterceptor.Factory postConstruct = new Jsr299BindingsInterceptor.Factory(description.getBeanDeploymentArchiveId(), beanName, InterceptionType.POST_CONSTRUCT, classLoader);
builder.addDependency(weldServiceName, WeldContainer.class, postConstruct.getWeldContainer());
configuration.addPostConstructInterceptor(postConstruct, InterceptorOrder.ComponentPostConstruct.CDI_INTERCEPTORS);
}
builder.install();
}
@Override
public void undeploy(DeploymentUnit context) {
}
}