1 /*
2  * Copyright (c) 2000, 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
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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  *
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22  * or visit www.oracle.com if you need additional information or have any
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24  */
25 
26 package com.sun.corba.se.impl.protocol.giopmsgheaders;
27 
28 import com.sun.corba.se.spi.ior.iiop.GIOPVersion;
29 
30 /**
31  * This implements the GIOP 1.2 Fragment header.
32  *
33  * @author Ram Jeyaraman 05/14/2000
34  */
35 
36 public final class FragmentMessage_1_2 extends Message_1_2
37         implements FragmentMessage {
38 
39     // Constructors
40 
FragmentMessage_1_2()41     FragmentMessage_1_2() {}
42 
43     // This is currently never called.
FragmentMessage_1_2(int _request_id)44     FragmentMessage_1_2(int _request_id) {
45         super(Message.GIOPBigMagic, GIOPVersion.V1_2, FLAG_NO_FRAG_BIG_ENDIAN,
46             Message.GIOPFragment, 0);
47         this.message_type = GIOPFragment;
48         request_id = _request_id;
49     }
50 
FragmentMessage_1_2(Message_1_1 msg12)51     FragmentMessage_1_2(Message_1_1 msg12) {
52         this.magic = msg12.magic;
53         this.GIOP_version = msg12.GIOP_version;
54         this.flags = msg12.flags;
55         this.message_type = GIOPFragment;
56         this.message_size = 0;
57 
58         switch (msg12.message_type) {
59         case GIOPRequest :
60             this.request_id = ((RequestMessage) msg12).getRequestId();
61             break;
62         case GIOPReply :
63             this.request_id = ((ReplyMessage) msg12).getRequestId();
64             break;
65         case GIOPLocateRequest :
66             this.request_id = ((LocateRequestMessage) msg12).getRequestId();
67             break;
68         case GIOPLocateReply :
69             this.request_id = ((LocateReplyMessage) msg12).getRequestId();
70             break;
71         case GIOPFragment :
72             this.request_id = ((FragmentMessage) msg12).getRequestId();
73             break;
74         }
75     }
76 
77     // Accessor methods
78 
getRequestId()79     public int getRequestId() {
80         return this.request_id;
81     }
82 
getHeaderLength()83     public int getHeaderLength() {
84         return GIOPMessageHeaderLength + 4;
85     }
86 
87     // IO methods
88 
89     /* This will never be called, since we do not currently read the
90      * request_id from an CDRInputStream. Instead we use the
91      * readGIOP_1_2_requestId to read the requestId from a byte buffer.
92      */
read(org.omg.CORBA.portable.InputStream istream)93     public void read(org.omg.CORBA.portable.InputStream istream) {
94         super.read(istream);
95         this.request_id = istream.read_ulong();
96     }
97 
write(org.omg.CORBA.portable.OutputStream ostream)98     public void write(org.omg.CORBA.portable.OutputStream ostream) {
99         super.write(ostream);
100         ostream.write_ulong(this.request_id);
101     }
102 
callback(MessageHandler handler)103     public void callback(MessageHandler handler)
104         throws java.io.IOException
105     {
106         handler.handleInput(this);
107     }
108 } // class FragmentMessage_1_2
109