/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.geronimo.corba;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.rmi.RemoteException;
import javax.ejb.EJBHome;
import javax.ejb.HomeHandle;
import javax.ejb.spi.HandleDelegate;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.rmi.PortableRemoteObject;
import org.omg.CORBA.ORB;
/**
* EJB v2.1 spec, section 19.5.5.1
* <p/>
* The <code>javax.ejb.spi.HandleDelegate</code> service provider interface
* defines methods that enable portable implementations of <code>Handle</code>
* and <code>HomeHandle</code> that are instantiated in a different vendor’s
* container to serialize and deserialize EJBObject and EJBHome references.
* The <code>HandleDelegate</code> interface is not used by enterprise beans
* or J2EE application components directly.
*
* @version $Revision: 474745 $ $Date: 2006-11-14 03:30:38 -0800 (Tue, 14 Nov 2006) $
*/
public class CORBAHomeHandle implements HomeHandle, Serializable {
private static final long serialVersionUID = -5537884768260058215L;
private String ior;
public CORBAHomeHandle(String ior) {
this.ior = ior;
}
public EJBHome getEJBHome() throws RemoteException {
try {
return (EJBHome) PortableRemoteObject.narrow(getOrb().string_to_object(ior), EJBHome.class);
} catch (Exception e) {
throw new RemoteException("Unable to convert IOR into home", e);
}
}
private void writeObject(ObjectOutputStream out) throws IOException {
HandleDelegate handleDelegate = getHandleDelegate();
handleDelegate.writeEJBHome(getEJBHome(), out);
}
private void readObject(java.io.ObjectInputStream in) throws IOException, ClassNotFoundException {
HandleDelegate handleDelegate = getHandleDelegate();
EJBHome home = handleDelegate.readEJBHome(in);
try {
ior = getOrb().object_to_string((org.omg.CORBA.Object) home);
} catch (Exception e) {
throw new RemoteException("Unable to convert object to IOR", e);
}
}
private static ORB getOrb() {
try {
Context context = new InitialContext();
ORB orb = (ORB) context.lookup("java:comp/ORB");
return orb;
} catch (Throwable e) {
throw (org.omg.CORBA.MARSHAL)new org.omg.CORBA.MARSHAL("Could not find ORB in jndi at java:comp/ORB", 0, org.omg.CORBA.CompletionStatus.COMPLETED_YES).initCause(e);
}
}
private static HandleDelegate getHandleDelegate() {
try {
Context context = new InitialContext();
HandleDelegate handleDelegate = (HandleDelegate) context.lookup("java:comp/HandleDelegate");
return handleDelegate;
} catch (Throwable e) {
throw (org.omg.CORBA.MARSHAL)new org.omg.CORBA.MARSHAL("Could not find handle delegate in jndi at java:comp/HandleDelegate", 0, org.omg.CORBA.CompletionStatus.COMPLETED_YES).initCause(e);
}
}
}