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
26 package com.sun.corba.se.impl.protocol.giopmsgheaders;
27
28 import org.omg.CORBA.INTERNAL;
29 import org.omg.CORBA.SystemException;
30 import org.omg.CORBA.CompletionStatus;
31
32 import com.sun.corba.se.spi.orb.ORB;
33
34 import com.sun.corba.se.spi.ior.IOR;
35 import com.sun.corba.se.spi.ior.IORFactories;
36
37 import com.sun.corba.se.spi.ior.iiop.GIOPVersion;
38
39 import com.sun.corba.se.impl.encoding.CDRInputStream;
40 import com.sun.corba.se.impl.encoding.CDROutputStream;
41
42 import com.sun.corba.se.impl.orbutil.ORBUtility;
43 import com.sun.corba.se.impl.orbutil.ORBConstants;
44
45 import com.sun.corba.se.spi.logging.CORBALogDomains ;
46 import com.sun.corba.se.impl.logging.ORBUtilSystemException ;
47
48 /**
49 * This implements the GIOP 1.2 LocateReply header.
50 *
51 * @author Ram Jeyaraman 05/14/2000
52 */
53
54 public final class LocateReplyMessage_1_2 extends Message_1_2
55 implements LocateReplyMessage {
56
57 // Instance variables
58
59 private ORB orb = null;
60 private ORBUtilSystemException wrapper = null ;
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 private short addrDisposition = KeyAddr.value; // default;
67
68 // Constructors
69
70 LocateReplyMessage_1_2(ORB orb) {
71 this.orb = orb;
72 this.wrapper = ORBUtilSystemException.get( orb,
73 CORBALogDomains.RPC_PROTOCOL ) ;
74 }
75
76 LocateReplyMessage_1_2(ORB orb, int _request_id,
77 int _reply_status, IOR _ior) {
78 super(Message.GIOPBigMagic, GIOPVersion.V1_2, FLAG_NO_FRAG_BIG_ENDIAN,
79 Message.GIOPLocateReply, 0);
80 this.orb = orb;
81 this.wrapper = ORBUtilSystemException.get( orb,
82 CORBALogDomains.RPC_PROTOCOL ) ;
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 this.addrDisposition;
100 }
101
102 public SystemException getSystemException(String message) {
103 return MessageBase.getSystemException(
104 exClassName, minorCode, completionStatus, message, wrapper);
105 }
106
107 public IOR getIOR() {
108 return this.ior;
109 }
110
111 // IO methods
112
113 public void read(org.omg.CORBA.portable.InputStream istream) {
114 super.read(istream);
115 this.request_id = istream.read_ulong();
116 this.reply_status = istream.read_long();
117 isValidReplyStatus(this.reply_status); // raises exception on error
118
119 // GIOP 1.2 LocateReply message bodies are not aligned on
120 // 8 byte boundaries.
121
122 // The code below reads the reply body in some cases
123 // LOC_SYSTEM_EXCEPTION & OBJECT_FORWARD & OBJECT_FORWARD_PERM &
124 // LOC_NEEDS_ADDRESSING_MODE
125 if (this.reply_status == LOC_SYSTEM_EXCEPTION) {
126
127 String reposId = istream.read_string();
128 this.exClassName = ORBUtility.classNameOf(reposId);
129 this.minorCode = istream.read_long();
130 int status = istream.read_long();
131
132 switch (status) {
133 case CompletionStatus._COMPLETED_YES:
134 this.completionStatus = CompletionStatus.COMPLETED_YES;
135 break;
136 case CompletionStatus._COMPLETED_NO:
137 this.completionStatus = CompletionStatus.COMPLETED_NO;
138 break;
139 case CompletionStatus._COMPLETED_MAYBE:
140 this.completionStatus = CompletionStatus.COMPLETED_MAYBE;
141 break;
142 default:
143 throw wrapper.badCompletionStatusInLocateReply(
144 CompletionStatus.COMPLETED_MAYBE, new Integer(status) );
145 }
146 } else if ( (this.reply_status == OBJECT_FORWARD) ||
147 (this.reply_status == OBJECT_FORWARD_PERM) ){
148 CDRInputStream cdr = (CDRInputStream) istream;
149 this.ior = IORFactories.makeIOR( cdr ) ;
150 } else if (this.reply_status == LOC_NEEDS_ADDRESSING_MODE) {
151 // read GIOP::AddressingDisposition from body and resend the
152 // original request using the requested addressing mode. The
153 // resending is transparent to the caller.
154 this.addrDisposition = AddressingDispositionHelper.read(istream);
155 }
156 }
157
158 // Note, this writes only the header information. SystemException or
159 // IOR or GIOP::AddressingDisposition may be written afterwards into the
160 // reply mesg body.
161 public void write(org.omg.CORBA.portable.OutputStream ostream) {
162 super.write(ostream);
163 ostream.write_ulong(this.request_id);
164 ostream.write_long(this.reply_status);
165
166
167 // GIOP 1.2 LocateReply message bodies are not aligned on
168 // 8 byte boundaries.
169 }
170
171 // Static methods
172
173 public static void isValidReplyStatus(int replyStatus) {
174 switch (replyStatus) {
175 case UNKNOWN_OBJECT :
176 case OBJECT_HERE :
177 case OBJECT_FORWARD :
178 case OBJECT_FORWARD_PERM :
179 case LOC_SYSTEM_EXCEPTION :
180 case LOC_NEEDS_ADDRESSING_MODE :
181 break;
182 default :
183 ORBUtilSystemException localWrapper = ORBUtilSystemException.get(
184 CORBALogDomains.RPC_PROTOCOL ) ;
185 throw localWrapper.illegalReplyStatus( CompletionStatus.COMPLETED_MAYBE);
186 }
187 }
188
189 public void callback(MessageHandler handler)
190 throws java.io.IOException
191 {
192 handler.handleInput(this);
193 }
194 } // class LocateReplyMessage_1_2