/*
* JBoss, Home of Professional Open Source
* Copyright 2013, 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.messaging;
import static org.jboss.as.messaging.logging.MessagingLogger.ROOT_LOGGER;
import static org.jboss.as.naming.deployment.ContextNames.BindInfo;
import javax.naming.InitialContext;
import org.jboss.as.naming.ContextListAndJndiViewManagedReferenceFactory;
import org.jboss.as.naming.ContextListManagedReferenceFactory;
import org.jboss.as.naming.ManagedReference;
import org.jboss.as.naming.ManagedReferenceFactory;
import org.jboss.as.naming.ServiceBasedNamingStore;
import org.jboss.as.naming.ValueManagedReference;
import org.jboss.as.naming.ValueManagedReferenceFactory;
import org.jboss.as.naming.deployment.ContextNames;
import org.jboss.as.naming.service.BinderService;
import org.jboss.msc.service.AbstractServiceListener;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceTarget;
import org.jboss.msc.value.ImmediateValue;
import org.jboss.msc.value.Values;
/**
* Utility class to install BinderService (either to bind actual objects or create alias on another binding).
*
* @author <a href="http://jmesnil.net">Jeff Mesnil</a> (c) 2013 Red Hat Inc.
*/
public class BinderServiceUtil {
/**
* Install a binder service to bind the {@code obj} using the binding {@code name}.
* @param serviceTarget
* @param name the binding name
* @param obj the object that must be bound
*/
public static void installBinderService(final ServiceTarget serviceTarget,
final String name,
final Object obj) {
final BindInfo bindInfo = ContextNames.bindInfoFor(name);
final BinderService binderService = new BinderService(bindInfo.getBindName());
serviceTarget.addService(bindInfo.getBinderServiceName(), binderService)
.addDependency(bindInfo.getParentContextServiceName(), ServiceBasedNamingStore.class, binderService.getNamingStoreInjector())
.addInjection(binderService.getManagedObjectInjector(), new ValueManagedReferenceFactory(Values.immediateValue(obj)))
.setInitialMode(ServiceController.Mode.ACTIVE)
.install();
}
/**
* Install a binder service to bind the value of the {@code service} using the binding {@code name}.
* @param serviceTarget
* @param name the binding name
* @param service the service whose value must be bound
*/
public static void installBinderService(final ServiceTarget serviceTarget,
final String name,
final Service<?> service) {
final BindInfo bindInfo = ContextNames.bindInfoFor(name);
final BinderService binderService = new BinderService(bindInfo.getBindName());
serviceTarget.addService(bindInfo.getBinderServiceName(), binderService)
.addDependency(bindInfo.getParentContextServiceName(), ServiceBasedNamingStore.class, binderService.getNamingStoreInjector())
.addInjection(binderService.getManagedObjectInjector(), new ValueManagedReferenceFactory(service))
.setInitialMode(ServiceController.Mode.ACTIVE)
.install();
}
public static void installAliasBinderService(final ServiceTarget serviceTarget,
final BindInfo bindInfo,
final String alias) {
final BindInfo aliasBindInfo = ContextNames.bindInfoFor(alias);
final BinderService aliasBinderService = new BinderService(alias);
aliasBinderService.getManagedObjectInjector().inject(new AliasManagedReferenceFactory(bindInfo.getAbsoluteJndiName()));
serviceTarget.addService(aliasBindInfo.getBinderServiceName(), aliasBinderService)
.addDependency(bindInfo.getParentContextServiceName(), ServiceBasedNamingStore.class, aliasBinderService.getNamingStoreInjector())
.addDependency(bindInfo.getBinderServiceName())
.addListener(new AbstractServiceListener<ManagedReferenceFactory>() {
@Override
public void transition(ServiceController<? extends ManagedReferenceFactory> controller, ServiceController.Transition transition) {
switch (transition) {
case STARTING_to_UP: {
ROOT_LOGGER.boundJndiName(alias);
break;
}
case STOPPING_to_DOWN: {
ROOT_LOGGER.unboundJndiName(alias);
break;
}
case REMOVING_to_REMOVED: {
ROOT_LOGGER.debugf("Removed messaging object [%s]", alias);
break;
}
}
}
})
.install();
}
private static final class AliasManagedReferenceFactory implements ContextListAndJndiViewManagedReferenceFactory {
private final String name;
/**
* @param name original JNDI name
*/
public AliasManagedReferenceFactory(String name) {
this.name = name;
}
@Override
public ManagedReference getReference() {
try {
final Object value = new InitialContext().lookup(name);
return new ValueManagedReference(new ImmediateValue<Object>(value));
} catch (Exception e) {
throw new RuntimeException(e);
}
}
@Override
public String getInstanceClassName() {
final Object value = getReference().getInstance();
return value != null ? value.getClass().getName() : ContextListManagedReferenceFactory.DEFAULT_INSTANCE_CLASS_NAME;
}
@Override
public String getJndiViewInstanceValue() {
return String.valueOf(getReference().getInstance());
}
}
}