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/*
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*
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*
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* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
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* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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*
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* file and include the License file at packager/legal/LICENSE.txt.
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*/
package org.glassfish.enterprise.iiop.impl;
import java.io.*;
import jakarta.ejb.*;
import jakarta.ejb.spi.HandleDelegate;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.rmi.PortableRemoteObject;
import org.omg.CORBA.portable.Delegate;
import org.omg.CORBA.ORB;
import com.sun.corba.ee.spi.presentation.rmi.StubAdapter;
/**
* An implementation of HandleDelegate for the IIOP Protocol.
*
*/
public final class IIOPHandleDelegate
implements HandleDelegate
{
public static HandleDelegate getHandleDelegate() {
HandleDelegate handleDelegate =
(HandleDelegate) java.security.AccessController.doPrivileged(
new java.security.PrivilegedAction() {
public Object run() {
try {
ClassLoader cl = new HandleDelegateClassLoader();
Class c = cl.loadClass(
"org.glassfish.enterprise.iiop.impl.IIOPHandleDelegate");
return c.newInstance();
} catch ( Exception ex ) {
throw new RuntimeException("Error creating HandleDelegate", ex);
}
}
}
);
return handleDelegate;
}
public void writeEJBObject(jakarta.ejb.EJBObject ejbObject,
java.io.ObjectOutputStream ostream)
throws java.io.IOException
{
ostream.writeObject(ejbObject); // IIOP stubs are Serializable
}
public jakarta.ejb.EJBObject readEJBObject(java.io.ObjectInputStream istream)
throws java.io.IOException, ClassNotFoundException
{
return (EJBObject)getStub(istream, EJBObject.class);
}
public void writeEJBHome(jakarta.ejb.EJBHome ejbHome,
java.io.ObjectOutputStream ostream)
throws java.io.IOException
{
ostream.writeObject(ejbHome); // IIOP stubs are Serializable
}
public jakarta.ejb.EJBHome readEJBHome(java.io.ObjectInputStream istream)
throws java.io.IOException, ClassNotFoundException
{
return (EJBHome)getStub(istream, EJBHome.class);
}
private Object getStub(java.io.ObjectInputStream istream, Class stubClass)
throws IOException, ClassNotFoundException
{
// deserialize obj
Object obj = istream.readObject();
if( StubAdapter.isStub(obj) ) {
try {
// Check if it is already connected to the ORB by getting
// the delegate. If BAD_OPERATION is not thrown, then the
// stub is connected. This will happen if istream is an
// IIOP input stream.
StubAdapter.getDelegate(obj);
} catch(org.omg.CORBA.BAD_OPERATION bo) {
// TODO Temporary way to get the ORB. Will need to
// replace with an approach that goes through the habitat
ORB orb = null;
try {
orb = (ORB) new InitialContext().lookup("java:comp/ORB");
} catch(NamingException ne) {
throw new IOException("Error acquiring orb", ne);
}
// Stub is not connected. This can happen if istream is
// not an IIOP input stream (e.g. it's a File stream).
StubAdapter.connect(obj, (com.sun.corba.ee.spi.orb.ORB) orb);
}
} else {
throw new IOException("Unable to create stub for class " +
stubClass.getName() +
", object deserialized is not a CORBA object, it's type is " +
obj.getClass().getName());
}
// narrow it
Object stub = PortableRemoteObject.narrow(obj, stubClass);
return stub;
}
}