/*
* Copyright (c) 1999, 2004, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* Licensed Materials - Property of IBM
* RMI-IIOP v1.0
* Copyright IBM Corp. 1998 1999 All Rights Reserved
*
*/
package org.jboss.com.sun.corba.se.impl.javax.rmi.CORBA;
import java.io.IOException;
import java.rmi.RemoteException;
import org.jboss.com.sun.corba.se.impl.ior.StubIORImpl;
import org.jboss.com.sun.corba.se.impl.logging.UtilSystemException;
import org.jboss.com.sun.corba.se.impl.presentation.rmi.StubConnectImpl;
import org.jboss.com.sun.corba.se.spi.logging.CORBALogDomains;
import org.omg.CORBA.ORB;
/**
* Base class from which all static RMI-IIOP stubs must inherit.
*/
public class StubDelegateImpl implements javax.rmi.CORBA.StubDelegate
{
static UtilSystemException wrapper = UtilSystemException.get(CORBALogDomains.RMIIIOP);
private StubIORImpl ior;
public StubIORImpl getIOR()
{
return ior;
}
public StubDelegateImpl()
{
ior = null;
}
/**
* Sets the IOR components if not already set.
*/
private void init(javax.rmi.CORBA.Stub self)
{
// If the Stub is not connected to an ORB, BAD_OPERATION exception will be raised by the code below.
if (ior == null)
ior = new StubIORImpl(self);
}
/**
* Returns a hash code value for the object which is the same for all stubs that represent the same remote object.
*
* @return the hash code value.
*/
public int hashCode(javax.rmi.CORBA.Stub self)
{
init(self);
return ior.hashCode();
}
/**
* Compares two stubs for equality. Returns <code>true</code> when used to compare stubs that represent the same
* remote object, and <code>false</code> otherwise.
*
* @param obj
* the reference object with which to compare.
* @return <code>true</code> if this object is the same as the <code>obj</code> argument; <code>false</code>
* otherwise.
*/
public boolean equals(javax.rmi.CORBA.Stub self, java.lang.Object obj)
{
if (self == obj)
{
return true;
}
if (!(obj instanceof javax.rmi.CORBA.Stub))
{
return false;
}
// no need to call init() because of calls to hashCode() below
javax.rmi.CORBA.Stub other = (javax.rmi.CORBA.Stub) obj;
if (other.hashCode() != self.hashCode())
{
return false;
}
// hashCodes being the same does not mean equality. The stubs still could be pointing to different IORs. So, do
// a literal comparison. Apparently the ONLY way to do this (other than using private reflection) toString,
// because it is not possible to directly access the StubDelegateImpl from the Stub.
return self.toString().equals(other.toString());
}
public boolean equals(Object obj)
{
if (this == obj)
return true;
if (!(obj instanceof StubDelegateImpl))
return false;
StubDelegateImpl other = (StubDelegateImpl) obj;
if (ior == null)
return ior == other.ior;
else
return ior.equals(other.ior);
}
/**
* Returns a string representation of this stub. Returns the same string for all stubs that represent the same
* remote object.
*
* @return a string representation of this stub.
*/
public String toString(javax.rmi.CORBA.Stub self)
{
if (ior == null)
return null;
else
return ior.toString();
}
/**
* Connects this stub to an ORB. Required after the stub is deserialized but not after it is demarshalled by an ORB
* stream. If an unconnected stub is passed to an ORB stream for marshalling, it is implicitly connected to that
* ORB. Application code should not call this method directly, but should call the portable wrapper method
* {@link javax.rmi.PortableRemoteObject#connect}.
*
* @param orb
* the ORB to connect to.
* @exception RemoteException
* if the stub is already connected to a different ORB, or if the stub does not represent an exported
* remote or local object.
*/
public void connect(javax.rmi.CORBA.Stub self, ORB orb) throws RemoteException
{
ior = StubConnectImpl.connect(ior, self, self, orb);
}
/**
* Serialization method to restore the IOR state.
*/
public void readObject(javax.rmi.CORBA.Stub self, java.io.ObjectInputStream stream) throws IOException,
ClassNotFoundException
{
if (ior == null)
ior = new StubIORImpl();
ior.doRead(stream);
}
/**
* Serialization method to save the IOR state.
*
* @serialData The length of the IOR type ID (int), followed by the IOR type ID (byte array encoded using
* ISO8859-1), followed by the number of IOR profiles (int), followed by the IOR profiles. Each IOR
* profile is written as a profile tag (int), followed by the length of the profile data (int), followed
* by the profile data (byte array).
*/
public void writeObject(javax.rmi.CORBA.Stub self, java.io.ObjectOutputStream stream) throws IOException
{
init(self);
ior.doWrite(stream);
}
}