/*
* 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.deployers;
import java.util.Set;
import org.jboss.as.ee.EeMessages;
import org.jboss.as.ee.component.EEApplicationDescription;
import org.jboss.as.ee.component.InjectionSource;
import org.jboss.as.naming.ManagedReferenceFactory;
import org.jboss.as.naming.deployment.ContextNames;
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.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;
/**
* Implementation of {@link org.jboss.as.ee.component.InjectionSource} responsible for finding a message destination
*
* @author Stuart Douglas
*/
public class MessageDestinationInjectionSource extends InjectionSource {
private final String bindingName;
private final String messageDestinationName;
private volatile String resolvedLookupName;
private volatile String error = null;
public MessageDestinationInjectionSource(final String messageDestinationName, final String bindingName) {
this.messageDestinationName = messageDestinationName;
this.bindingName = bindingName;
}
public void getResourceValue(final ResolutionContext resolutionContext, final ServiceBuilder<?> serviceBuilder, final DeploymentPhaseContext phaseContext, final Injector<ManagedReferenceFactory> injector) throws DeploymentUnitProcessingException {
if (error != null) {
throw new DeploymentUnitProcessingException(error);
}
final String applicationName = resolutionContext.getApplicationName();
final String moduleName = resolutionContext.getModuleName();
final String componentName = resolutionContext.getComponentName();
final boolean compUsesModule = resolutionContext.isCompUsesModule();
final String lookupName;
if (!this.resolvedLookupName.contains(":")) {
if (componentName != null && !compUsesModule) {
lookupName = "java:comp/env/" + this.resolvedLookupName;
} else if (compUsesModule) {
lookupName = "java:module/env/" + this.resolvedLookupName;
} else {
lookupName = "java:jboss/env" + this.resolvedLookupName;
}
} else if (this.resolvedLookupName.startsWith("java:comp/") && compUsesModule) {
lookupName = "java:module/" + this.resolvedLookupName.substring(10);
} else {
lookupName = this.resolvedLookupName;
}
final ContextNames.BindInfo bindInfo = ContextNames.bindInfoFor(applicationName, moduleName, componentName, lookupName);
if (lookupName.startsWith("java:")) {
serviceBuilder.addDependency(bindInfo.getBinderServiceName(), ManagedReferenceFactory.class, injector);
}
}
public void resolve(final DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
final EEApplicationDescription applicationDescription = deploymentUnit.getAttachment(EE_APPLICATION_DESCRIPTION);
final ResourceRoot deploymentRoot = deploymentUnit.getAttachment(Attachments.DEPLOYMENT_ROOT);
final Set<String> names = applicationDescription.resolveMessageDestination(messageDestinationName, deploymentRoot.getRoot());
if (names.isEmpty()) {
error = EeMessages.MESSAGES.noMessageDestination(messageDestinationName, bindingName);
return;
}
if (names.size() > 1) {
error = EeMessages.MESSAGES.moreThanOneMessageDestination(messageDestinationName, bindingName, names);
return;
}
resolvedLookupName = names.iterator().next();
}
public boolean equals(Object o) {
if (this == o)
return true;
if (!(o instanceof MessageDestinationInjectionSource))
return false;
if (error != null) {
//we can't do a real equals comparison in this case, so throw the original error
throw new RuntimeException(error);
}
if (resolvedLookupName == null) {
throw new RuntimeException("Error equals() cannot be called before resolve()");
}
final MessageDestinationInjectionSource other = (MessageDestinationInjectionSource) o;
return eq(resolvedLookupName, other.resolvedLookupName);
}
public int hashCode() {
return messageDestinationName.hashCode();
}
private static boolean eq(Object a, Object b) {
return a == b || (a != null && a.equals(b));
}
}