/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, 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.component;
import java.util.Iterator;
import java.util.Set;
import org.jboss.as.ee.logging.EeLogger;
import org.jboss.as.naming.ManagedReferenceFactory;
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.module.ResourceRoot;
import org.jboss.msc.inject.Injector;
import org.jboss.msc.service.ServiceBuilder;
import static org.jboss.as.ee.component.Attachments.EE_APPLICATION_DESCRIPTION;
/**
* An injection source which injects a component based upon its type.
*
* @author <a href="mailto:david.lloyd@redhat.com">David M. Lloyd</a>
*/
public final class ComponentTypeInjectionSource extends InjectionSource {
private final String typeName;
public ComponentTypeInjectionSource(final String typeName) {
this.typeName = typeName;
}
public void getResourceValue(final ResolutionContext resolutionContext, final ServiceBuilder<?> serviceBuilder, final DeploymentPhaseContext phaseContext, final Injector<ManagedReferenceFactory> injector) throws DeploymentUnitProcessingException {
final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
final EEApplicationDescription applicationDescription = deploymentUnit.getAttachment(EE_APPLICATION_DESCRIPTION);
final ResourceRoot deploymentRoot = deploymentUnit.getAttachment(org.jboss.as.server.deployment.Attachments.DEPLOYMENT_ROOT);
final Set<ViewDescription> componentsForViewName = applicationDescription.getComponentsForViewName(typeName, deploymentRoot.getRoot());
final Iterator<ViewDescription> iterator = componentsForViewName.iterator();
if (!iterator.hasNext()) {
throw EeLogger.ROOT_LOGGER.componentNotFound(typeName);
}
final ViewDescription description = iterator.next();
if (iterator.hasNext()) {
throw EeLogger.ROOT_LOGGER.multipleComponentsFound(typeName);
}
//TODO: should ComponentView also be a managed reference factory?
serviceBuilder.addDependency(description.getServiceName(), ComponentView.class, new ViewManagedReferenceFactory.Injector(injector));
}
public boolean equals(final Object other) {
if (other instanceof ComponentTypeInjectionSource) {
return ((ComponentTypeInjectionSource) other).typeName.equals(typeName);
}
return false;
}
public int hashCode() {
return typeName.hashCode();
}
}