LocateReplyMessage_1_0.java revision 608:7e06bf1dcb09 
1/*
2 * Copyright (c) 2000, 2003, 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.protocol.giopmsgheaders;
27
28import org.omg.CORBA.INTERNAL;
29import org.omg.CORBA.CompletionStatus;
30import org.omg.CORBA.SystemException;
31
32import com.sun.corba.se.spi.ior.IOR;
33import com.sun.corba.se.spi.ior.IORFactories;
34
35import com.sun.corba.se.spi.orb.ORB;
36
37import com.sun.corba.se.spi.ior.iiop.GIOPVersion;
38
39import com.sun.corba.se.impl.encoding.CDRInputStream;
40
41import com.sun.corba.se.spi.logging.CORBALogDomains ;
42import com.sun.corba.se.impl.logging.ORBUtilSystemException ;
43
44/**
45 * This implements the GIOP 1.0 LocateReply header.
46 *
47 * @author Ram Jeyaraman 05/14/2000
48 */
49
50public final class LocateReplyMessage_1_0 extends Message_1_0
51        implements LocateReplyMessage {
52
53    // Instance variables
54
55    private ORB orb = null;
56    private int request_id = (int) 0;
57    private int locate_status = (int) 0;
58    private IOR ior = null;
59
60    // Constructors
61
62    LocateReplyMessage_1_0(ORB orb) {
63        this.orb = orb;
64    }
65
66    LocateReplyMessage_1_0(ORB orb, int _request_id,
67            int _locate_status, IOR _ior) {
68        super(Message.GIOPBigMagic, false, Message.GIOPLocateReply, 0);
69        this.orb = orb;
70        request_id = _request_id;
71        locate_status = _locate_status;
72        ior = _ior;
73    }
74
75    // Accessor methods
76
77    public int getRequestId() {
78        return this.request_id;
79    }
80
81    public int getReplyStatus() {
82        return this.locate_status;
83    }
84
85    public short getAddrDisposition() {
86        return KeyAddr.value;
87    }
88
89    public SystemException getSystemException(String message) {
90        return null;  // 1.0 LocateReply body does not contain SystemException
91    }
92
93    public IOR getIOR() {
94        return this.ior;
95    }
96
97    // IO methods
98
99    public void read(org.omg.CORBA.portable.InputStream istream) {
100        super.read(istream);
101        this.request_id = istream.read_ulong();
102        this.locate_status = istream.read_long();
103        isValidReplyStatus(this.locate_status); // raises exception on error
104
105        // The code below reads the reply body if status is OBJECT_FORWARD
106        if (this.locate_status == OBJECT_FORWARD) {
107            CDRInputStream cdr = (CDRInputStream) istream;
108            this.ior = IORFactories.makeIOR( cdr ) ;
109        }
110    }
111
112    // Note, this writes only the header information.
113    // IOR may be written afterwards into the reply mesg body.
114    public void write(org.omg.CORBA.portable.OutputStream ostream) {
115        super.write(ostream);
116        ostream.write_ulong(this.request_id);
117        ostream.write_long(this.locate_status);
118    }
119
120    // Static methods
121
122    public static void isValidReplyStatus(int replyStatus) {
123        switch (replyStatus) {
124        case UNKNOWN_OBJECT :
125        case OBJECT_HERE :
126        case OBJECT_FORWARD :
127            break;
128        default :
129            ORBUtilSystemException localWrapper = ORBUtilSystemException.get(
130                CORBALogDomains.RPC_PROTOCOL ) ;
131            throw localWrapper.illegalReplyStatus( CompletionStatus.COMPLETED_MAYBE);
132        }
133    }
134
135    public void callback(MessageHandler handler)
136        throws java.io.IOException
137    {
138        handler.handleInput(this);
139    }
140} // class LocateReplyMessage_1_0
141