/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, 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.ejb3.iiop;
import org.jboss.as.ejb3.logging.EjbLogger;
import org.jboss.as.ejb3.deployment.DeploymentModuleIdentifier;
import org.jboss.as.ejb3.deployment.DeploymentRepository;
import org.jboss.as.ejb3.deployment.EjbDeploymentInformation;
import org.jboss.as.ejb3.deployment.ModuleDeployment;
import org.jboss.ejb.client.AbstractEJBMetaData;
import org.jboss.ejb.client.EJBHomeLocator;
import org.jboss.ejb.client.EntityEJBMetaData;
import org.jboss.javax.rmi.RemoteObjectSubstitution;
import org.jboss.ejb.client.EJBClient;
import org.jboss.ejb.client.EJBHandle;
import org.jboss.ejb.client.EJBHomeHandle;
import org.jboss.ejb.client.EJBLocator;
import org.jboss.ejb.client.EJBMetaDataImpl;
import org.jboss.ejb.iiop.EJBMetaDataImplIIOP;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
import javax.ejb.HomeHandle;
/**
* @author Stuart Douglas
*/
public class RemoteObjectSubstitutionService implements RemoteObjectSubstitution, Service<RemoteObjectSubstitution> {
private final InjectedValue<DeploymentRepository> deploymentRepositoryInjectedValue = new InjectedValue<DeploymentRepository>();
public static final ServiceName SERVICE_NAME = ServiceName.JBOSS.append("ejb3", "iiop", "remoteObjectSubstitution");
@Override
public Object writeReplaceRemote(final Object object) {
final DeploymentRepository deploymentRepository = deploymentRepositoryInjectedValue.getOptionalValue();
//if we are not started yet just return
if (deploymentRepository == null) {
return object;
}
if (EJBClient.isEJBProxy(object)) {
return createIIOPReferenceForBean(object, deploymentRepository);
} else if (object instanceof EJBHandle) {
final EJBHandle<?> handle = (EJBHandle<?>) object;
final EJBLocator<?> locator = handle.getLocator();
final EjbIIOPService factory = serviceForLocator(locator, deploymentRepository);
if (factory != null) {
return factory.handleForLocator(locator);
}
} else if (object instanceof EJBHomeHandle) {
final EJBHomeHandle<?> handle = (EJBHomeHandle<?>) object;
final EJBLocator<?> locator = handle.getLocator();
final EjbIIOPService factory = serviceForLocator(locator, deploymentRepository);
if (factory != null) {
return factory.handleForLocator(locator);
}
} else if (object instanceof EJBMetaDataImpl) {
final EJBMetaDataImpl metadata = (EJBMetaDataImpl) object;
Class<?> pk = null;
if (!metadata.isSession()) {
pk = metadata.getPrimaryKeyClass();
}
final EJBLocator<?> locator = EJBClient.getLocatorFor(metadata.getEJBHome());
final EjbIIOPService factory = serviceForLocator(locator, deploymentRepository);
return new EJBMetaDataImplIIOP(metadata.getRemoteInterfaceClass(), metadata.getHomeInterfaceClass(), pk, metadata.isSession(), metadata.isStatelessSession(), (HomeHandle) factory.handleForLocator(locator));
} else if (object instanceof AbstractEJBMetaData) {
final AbstractEJBMetaData<?, ?> metadata = (AbstractEJBMetaData<?, ?>) object;
final EJBHomeLocator<?> locator = metadata.getHomeLocator();
final EjbIIOPService factory = serviceForLocator(locator, deploymentRepository);
Class<?> pk = metadata instanceof EntityEJBMetaData ? metadata.getPrimaryKeyClass() : null;
return new EJBMetaDataImplIIOP(metadata.getRemoteInterfaceClass(), metadata.getHomeInterfaceClass(), pk, metadata.isSession(), metadata.isStatelessSession(), (HomeHandle) factory.handleForLocator(locator));
}
return object;
}
private Object createIIOPReferenceForBean(Object object, DeploymentRepository deploymentRepository) {
EJBLocator<? extends Object> locator;
try {
locator = EJBClient.getLocatorFor(object);
} catch (Exception e) {
//not an EJB proxy
locator = null;
}
if (locator != null) {
final EjbIIOPService factory = serviceForLocator(locator, deploymentRepository);
if (factory != null) {
return factory.referenceForLocator(locator);
}
}
return object;
}
private EjbIIOPService serviceForLocator(final EJBLocator<?> locator, DeploymentRepository deploymentRepository) {
final ModuleDeployment module = deploymentRepository.getModules().get(new DeploymentModuleIdentifier(locator.getAppName(), locator.getModuleName(), locator.getDistinctName()));
if (module == null) {
EjbLogger.ROOT_LOGGER.couldNotFindEjbForLocatorIIOP(locator);
return null;
}
final EjbDeploymentInformation ejb = module.getEjbs().get(locator.getBeanName());
if (ejb == null) {
EjbLogger.ROOT_LOGGER.couldNotFindEjbForLocatorIIOP(locator);
return null;
}
final EjbIIOPService factory = ejb.getIorFactory();
if (factory == null) {
EjbLogger.ROOT_LOGGER.ejbNotExposedOverIIOP(locator);
return null;
}
return factory;
}
@Override
public void start(final StartContext context) throws StartException {
}
@Override
public void stop(final StopContext context) {
}
@Override
public RemoteObjectSubstitution getValue() throws IllegalStateException, IllegalArgumentException {
return this;
}
public InjectedValue<DeploymentRepository> getDeploymentRepositoryInjectedValue() {
return deploymentRepositoryInjectedValue;
}
}