StubConnectImpl.java revision 608:7e06bf1dcb09 
1/*
2 * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package com.sun.corba.se.impl.presentation.rmi ;
27
28import java.rmi.RemoteException;
29
30import javax.rmi.CORBA.Tie;
31
32import org.omg.CORBA.ORB;
33import org.omg.CORBA.SystemException;
34import org.omg.CORBA.BAD_OPERATION;
35import org.omg.CORBA.BAD_INV_ORDER;
36
37import org.omg.CORBA.portable.ObjectImpl;
38import org.omg.CORBA.portable.Delegate;
39
40import com.sun.corba.se.spi.presentation.rmi.StubAdapter;
41
42import com.sun.corba.se.spi.logging.CORBALogDomains ;
43
44import com.sun.corba.se.impl.util.Utility;
45
46import com.sun.corba.se.impl.ior.StubIORImpl ;
47
48import com.sun.corba.se.impl.logging.UtilSystemException ;
49
50import com.sun.corba.se.impl.corba.CORBAObjectImpl ;
51
52public abstract class StubConnectImpl
53{
54    static UtilSystemException wrapper = UtilSystemException.get(
55        CORBALogDomains.RMIIIOP ) ;
56
57    /** Connect the stub to the orb if necessary.
58    * @param ior The StubIORImpl for this stub (may be null)
59    * @param proxy The externally visible stub seen by the user (may be the same as stub)
60    * @param stub The stub implementation that extends ObjectImpl
61    * @param orb The ORB to which we connect the stub.
62    */
63    public static StubIORImpl connect( StubIORImpl ior, org.omg.CORBA.Object proxy,
64        org.omg.CORBA.portable.ObjectImpl stub, ORB orb ) throws RemoteException
65    {
66        Delegate del = null ;
67
68        try {
69            try {
70                del = StubAdapter.getDelegate( stub );
71
72                if (del.orb(stub) != orb)
73                    throw wrapper.connectWrongOrb() ;
74            } catch (org.omg.CORBA.BAD_OPERATION err) {
75                if (ior == null) {
76                    // No IOR, can we get a Tie for this stub?
77                    Tie tie = (javax.rmi.CORBA.Tie) Utility.getAndForgetTie(proxy);
78                    if (tie == null)
79                        throw wrapper.connectNoTie() ;
80
81                    // Is the tie already connected?  If it is, check that it's
82                    // connected to the same ORB, otherwise connect it.
83                    ORB existingOrb = orb ;
84                    try {
85                        existingOrb = tie.orb();
86                    } catch (BAD_OPERATION exc) {
87                        // Thrown when tie is an ObjectImpl and its delegate is not set.
88                        tie.orb(orb);
89                    } catch (BAD_INV_ORDER exc) {
90                        // Thrown when tie is a Servant and its delegate is not set.
91                        tie.orb(orb);
92                    }
93
94                    if (existingOrb != orb)
95                        throw wrapper.connectTieWrongOrb() ;
96
97                    // Get the delegate for the stub from the tie.
98                    del = StubAdapter.getDelegate( tie ) ;
99                    ObjectImpl objref = new CORBAObjectImpl() ;
100                    objref._set_delegate( del ) ;
101                    ior = new StubIORImpl( objref ) ;
102                } else {
103                    // ior is initialized, so convert ior to an object, extract
104                    // the delegate, and set it on ourself
105                    del = ior.getDelegate( orb ) ;
106                }
107
108                StubAdapter.setDelegate( stub, del ) ;
109            }
110        } catch (SystemException exc) {
111            throw new RemoteException("CORBA SystemException", exc );
112        }
113
114        return ior ;
115    }
116}
117