StubConnectImpl.java

/*
 * Copyright (c) 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
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package org.jboss.com.sun.corba.se.impl.presentation.rmi;

import java.rmi.RemoteException;

import javax.rmi.CORBA.Tie;

import org.omg.CORBA.BAD_INV_ORDER;
import org.omg.CORBA.BAD_OPERATION;
import org.omg.CORBA.ORB;
import org.omg.CORBA.SystemException;
import org.omg.CORBA.portable.Delegate;
import org.omg.CORBA.portable.ObjectImpl;

import org.jboss.com.sun.corba.se.impl.corba.CORBAObjectImpl;
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.util.Utility;
import org.jboss.com.sun.corba.se.spi.logging.CORBALogDomains;
import org.jboss.com.sun.corba.se.spi.presentation.rmi.StubAdapter;

public abstract class StubConnectImpl
{
    static UtilSystemException wrapper = UtilSystemException.get(CORBALogDomains.RMIIIOP);

    /**
     * Connect the stub to the orb if necessary.
     * 
     * @param ior
     *            The StubIORImpl for this stub (may be null)
     * @param proxy
     *            The externally visible stub seen by the user (may be the same as stub)
     * @param stub
     *            The stub implementation that extends ObjectImpl
     * @param orb
     *            The ORB to which we connect the stub.
     */
    public static StubIORImpl connect(StubIORImpl ior, org.omg.CORBA.Object proxy,
            org.omg.CORBA.portable.ObjectImpl stub, ORB orb) throws RemoteException
    {
        Delegate del = null;

        try
        {
            try
            {
                del = StubAdapter.getDelegate(stub);

                if (del.orb(stub) != orb)
                    throw wrapper.connectWrongOrb();
            }
            catch (org.omg.CORBA.BAD_OPERATION err)
            {
                if (ior == null)
                {
                    // No IOR, can we get a Tie for this stub?
                    Tie tie = Utility.getAndForgetTie(proxy);
                    if (tie == null)
                        throw wrapper.connectNoTie();

                    // Is the tie already connected? If it is, check that it's connected to the same ORB, otherwise
                    // connect it.
                    ORB existingOrb = orb;
                    try
                    {
                        existingOrb = tie.orb();
                    }
                    catch (BAD_OPERATION exc)
                    {
                        // Thrown when tie is an ObjectImpl and its delegate is not set.
                        tie.orb(orb);
                    }
                    catch (BAD_INV_ORDER exc)
                    {
                        // Thrown when tie is a Servant and its delegate is not set.
                        tie.orb(orb);
                    }

                    if (existingOrb != orb)
                        throw wrapper.connectTieWrongOrb();

                    // Get the delegate for the stub from the tie.
                    del = StubAdapter.getDelegate(tie);
                    ObjectImpl objref = new CORBAObjectImpl();
                    objref._set_delegate(del);
                    ior = new StubIORImpl(objref);
                }
                else
                {
                    // ior is initialized, so convert ior to an object, extract the delegate, and set it on ourself
                    del = ior.getDelegate(orb);
                }

                StubAdapter.setDelegate(stub, del);
            }
        }
        catch (SystemException exc)
        {
            throw new RemoteException("CORBA SystemException", exc);
        }

        return ior;
    }
}