ReplyMessage_1_1.java revision 608:7e06bf1dcb09 
1/*
2 * Copyright (c) 2000, 2013, 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.servicecontext.ServiceContexts;
38import com.sun.corba.se.spi.ior.iiop.GIOPVersion;
39import com.sun.corba.se.impl.orbutil.ORBUtility;
40import com.sun.corba.se.spi.ior.IOR;
41import com.sun.corba.se.impl.encoding.CDRInputStream;
42
43import com.sun.corba.se.spi.logging.CORBALogDomains ;
44import com.sun.corba.se.impl.logging.ORBUtilSystemException ;
45
46/**
47 * This implements the GIOP 1.1 Reply header.
48 *
49 * @author Ram Jeyaraman 05/14/2000
50 */
51
52public final class ReplyMessage_1_1 extends Message_1_1
53        implements ReplyMessage {
54
55    // Instance variables
56
57    private ORB orb = null;
58    private ORBUtilSystemException wrapper = null ;
59    private ServiceContexts service_contexts = null;
60    private int request_id = (int) 0;
61    private int reply_status = (int) 0;
62    private IOR ior = null;
63    private String exClassName = null;
64    private int minorCode = (int) 0;
65    private CompletionStatus completionStatus = null;
66
67    // Constructors
68
69    ReplyMessage_1_1(ORB orb) {
70        this.orb = orb;
71        this.wrapper = ORBUtilSystemException.get( orb,
72            CORBALogDomains.RPC_PROTOCOL ) ;
73    }
74
75    ReplyMessage_1_1(ORB orb, ServiceContexts _service_contexts,
76            int _request_id, int _reply_status, IOR _ior) {
77        super(Message.GIOPBigMagic, GIOPVersion.V1_1, FLAG_NO_FRAG_BIG_ENDIAN,
78            Message.GIOPReply, 0);
79        this.orb = orb;
80        this.wrapper = ORBUtilSystemException.get( orb,
81            CORBALogDomains.RPC_PROTOCOL ) ;
82        service_contexts = _service_contexts;
83        request_id = _request_id;
84        reply_status = _reply_status;
85        ior = _ior;
86    }
87
88    // Accessor methods
89
90    public int getRequestId() {
91        return this.request_id;
92    }
93
94    public int getReplyStatus() {
95        return this.reply_status;
96    }
97
98    public short getAddrDisposition() {
99        return KeyAddr.value;
100    }
101
102    public ServiceContexts getServiceContexts() {
103        return this.service_contexts;
104    }
105
106    public void setServiceContexts( ServiceContexts sc ) {
107        this.service_contexts = sc;
108    }
109
110    public SystemException getSystemException(String message) {
111        return MessageBase.getSystemException(
112            exClassName, minorCode, completionStatus, message, wrapper);
113    }
114
115    public IOR getIOR() {
116        return this.ior;
117    }
118
119    public void setIOR( IOR ior ) {
120        this.ior = ior;
121    }
122
123    // IO methods
124
125    public void read(org.omg.CORBA.portable.InputStream istream) {
126        super.read(istream);
127        this.service_contexts
128            = new ServiceContexts((org.omg.CORBA_2_3.portable.InputStream) istream);
129        this.request_id = istream.read_ulong();
130        this.reply_status = istream.read_long();
131        isValidReplyStatus(this.reply_status); // raises exception on error
132
133        // The code below reads the reply body in some cases
134        // SYSTEM_EXCEPTION & LOCATION_FORWARD
135        if (this.reply_status == SYSTEM_EXCEPTION) {
136
137            String reposId = istream.read_string();
138            this.exClassName = ORBUtility.classNameOf(reposId);
139            this.minorCode = istream.read_long();
140            int status = istream.read_long();
141
142            switch (status) {
143            case CompletionStatus._COMPLETED_YES:
144                this.completionStatus = CompletionStatus.COMPLETED_YES;
145                break;
146            case CompletionStatus._COMPLETED_NO:
147                this.completionStatus = CompletionStatus.COMPLETED_NO;
148                break;
149            case CompletionStatus._COMPLETED_MAYBE:
150                this.completionStatus = CompletionStatus.COMPLETED_MAYBE;
151                break;
152            default:
153                throw wrapper.badCompletionStatusInReply(
154                    CompletionStatus.COMPLETED_MAYBE, new Integer(status) );
155            }
156        } else if (this.reply_status == USER_EXCEPTION) {
157            // do nothing. The client stub will read the exception from body.
158        } else if (this.reply_status == LOCATION_FORWARD) {
159            CDRInputStream cdr = (CDRInputStream) istream;
160            this.ior = IORFactories.makeIOR(cdr) ;
161        }
162    }
163
164    // Note, this writes only the header information. SystemException or
165    // IOR may be written afterwards into the reply mesg body.
166    public void write(org.omg.CORBA.portable.OutputStream ostream) {
167        super.write(ostream);
168        if (this.service_contexts != null) {
169                service_contexts.write(
170                (org.omg.CORBA_2_3.portable.OutputStream) ostream,
171                GIOPVersion.V1_1);
172            } else {
173                ServiceContexts.writeNullServiceContext(
174                (org.omg.CORBA_2_3.portable.OutputStream) ostream);
175        }
176        ostream.write_ulong(this.request_id);
177        ostream.write_long(this.reply_status);
178    }
179
180    // Static methods
181
182    public static void isValidReplyStatus(int replyStatus) {
183        switch (replyStatus) {
184        case NO_EXCEPTION :
185        case USER_EXCEPTION :
186        case SYSTEM_EXCEPTION :
187        case LOCATION_FORWARD :
188            break;
189        default :
190            ORBUtilSystemException localWrapper = ORBUtilSystemException.get(
191                CORBALogDomains.RPC_PROTOCOL ) ;
192            throw localWrapper.illegalReplyStatus( CompletionStatus.COMPLETED_MAYBE);
193        }
194    }
195
196    public void callback(MessageHandler handler)
197        throws java.io.IOException
198    {
199        handler.handleInput(this);
200    }
201} //
202