/*
* 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.web.deployment.component;
import org.jboss.as.ee.component.ComponentDescription;
import org.jboss.as.ee.component.ComponentView;
import org.jboss.as.ee.component.ViewDescription;
import org.jboss.as.naming.ManagedReference;
import org.jboss.as.server.deployment.DeploymentUnit;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceRegistry;
import java.util.HashSet;
import java.util.Set;
/**
* Instantiator for web components that are annotated with the ManagedBean annotation
*
* @author Stuart Douglas
*/
public class ManagedBeanComponentInstantiator implements ComponentInstantiator {
private volatile ServiceController<ComponentView> viewServiceServiceController;
private final Set<ServiceName> serviceNames = new HashSet<ServiceName>();
private final ServiceName serviceName;
private final ServiceRegistry serviceRegistry;
public ManagedBeanComponentInstantiator(DeploymentUnit deploymentUnit, ComponentDescription componentDescription) {
final ServiceName baseName = deploymentUnit.getServiceName().append("component").append(componentDescription.getComponentName());
serviceRegistry = deploymentUnit.getServiceRegistry();
serviceNames.add(baseName.append("START"));
if(componentDescription.getViews() == null || componentDescription.getViews().size() != 1) {
throw new RuntimeException("Servlet components must have exactly one view: " + componentDescription.getComponentName());
}
ViewDescription view = componentDescription.getViews().iterator().next();
String viewClassName = view.getViewClassName();
serviceName = baseName.append("VIEW").append(viewClassName);
serviceNames.add(serviceName);
}
@Override
public ManagedReference getReference() {
if(viewServiceServiceController == null) {
synchronized (this) {
if(viewServiceServiceController == null) {
viewServiceServiceController = (ServiceController<ComponentView>) serviceRegistry.getRequiredService(serviceName);
}
}
}
throw new RuntimeException("Not yet implemented");
//return viewServiceServiceController.getValue().getReference();
}
@Override
public Set<ServiceName> getServiceNames() {
return serviceNames;
}
@Override
public ManagedReference initializeInstance(final Object instance) {
throw new UnsupportedOperationException("Not Implemented");
}
}