/*
* JBoss, Home of Professional Open Source
* Copyright 2009, 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.interceptors;
import java.util.HashMap;
import java.util.Map;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.spi.Interceptor;
import org.jboss.as.ee.component.ComponentInstance;
import org.jboss.as.weld.WeldBootstrapService;
import org.jboss.as.weld.spi.ComponentInterceptorSupport;
import org.jboss.as.weld.spi.InterceptorInstances;
import org.jboss.invocation.InterceptorContext;
import org.jboss.msc.value.InjectedValue;
import org.jboss.weld.bean.SessionBean;
import org.jboss.weld.ejb.spi.EjbDescriptor;
import org.jboss.weld.ejb.spi.InterceptorBindings;
import org.jboss.weld.manager.BeanManagerImpl;
import org.jboss.weld.serialization.spi.ContextualStore;
import org.jboss.weld.serialization.spi.helpers.SerializableContextualInstance;
/**
* Interceptor that creates the CDI interceptors and attaches them to the component
*
* @author Marius Bogoevici
* @author Stuart Douglas
*/
public class Jsr299BindingsCreateInterceptor implements org.jboss.invocation.Interceptor {
private final InjectedValue<WeldBootstrapService> weldContainer = new InjectedValue<WeldBootstrapService>();
private final InjectedValue<InterceptorBindings> interceptorBindings = new InjectedValue<InterceptorBindings>();
private final String beanArchiveId;
private final String ejbName;
private final ComponentInterceptorSupport interceptorSupport;
private volatile BeanManagerImpl beanManager;
public Jsr299BindingsCreateInterceptor(String beanArchiveId, String ejbName, ComponentInterceptorSupport interceptorSupport) {
this.beanArchiveId = beanArchiveId;
this.ejbName = ejbName;
this.interceptorSupport = interceptorSupport;
}
private void addInterceptorInstance(Interceptor<Object> interceptor, BeanManagerImpl beanManager, Map<String, SerializableContextualInstance<Interceptor<Object>, Object>> instances, final CreationalContext<Object> creationalContext) {
Object instance = beanManager.getReference(interceptor, interceptor.getBeanClass(), creationalContext, true);
SerializableContextualInstance<Interceptor<Object>, Object> serializableContextualInstance
= beanManager.getServices().get(ContextualStore.class).<Interceptor<Object>, Object>getSerializableContextualInstance(interceptor, instance, creationalContext);
instances.put(interceptor.getBeanClass().getName(), serializableContextualInstance);
}
@Override
public Object processInvocation(InterceptorContext interceptorContext) throws Exception {
BeanManagerImpl beanManager = this.beanManager;
if(beanManager == null) {
//cache the BM lookup, as it is quite slow
beanManager = this.beanManager = this.weldContainer.getValue().getBeanManager(beanArchiveId);
}
//this is not always called with the deployments TCCL set
//which causes weld to blow up
SessionBean<Object> bean = null;
if (ejbName != null) {
EjbDescriptor<Object> descriptor = beanManager.getEjbDescriptor(this.ejbName);
if (descriptor != null) {
bean = beanManager.getBean(descriptor);
}
}
InterceptorBindings interceptorBindings = this.interceptorBindings.getValue();
final ComponentInstance componentInstance = interceptorContext.getPrivateData(ComponentInstance.class);
InterceptorInstances existing = interceptorSupport.getInterceptorInstances(componentInstance);
if (existing == null) {
CreationalContext<Object> creationalContext = beanManager.createCreationalContext(bean);
HashMap<String, SerializableContextualInstance<Interceptor<Object>, Object>> interceptorInstances = new HashMap<String, SerializableContextualInstance<Interceptor<Object>, Object>>();
if (interceptorBindings != null) {
for (Interceptor<?> interceptor : interceptorBindings.getAllInterceptors()) {
addInterceptorInstance((Interceptor<Object>) interceptor, beanManager, interceptorInstances, creationalContext);
}
}
interceptorSupport.setInterceptorInstances(componentInstance, new WeldInterceptorInstances(creationalContext, interceptorInstances));
}
return interceptorContext.proceed();
}
public InjectedValue<WeldBootstrapService> getWeldContainer() {
return weldContainer;
}
public InjectedValue<InterceptorBindings> getInterceptorBindings() {
return interceptorBindings;
}
}