LocateRequestMessage_1_0


1   /*
2    * @(#)LocateRequestMessage_1_0.java    1.11 03/12/19
3    *
4    * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
5    * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
6    */
7   
8   package com.sun.corba.se.impl.protocol.giopmsgheaders;
9   
10  import com.sun.corba.se.spi.ior.iiop.GIOPVersion;
11  import com.sun.corba.se.spi.orb.ORB;
12  
13  import com.sun.corba.se.spi.ior.ObjectKey;
14  
15  /**
16   * This implements the GIOP 1.0 LocateRequest header.
17   *
18   * @author Ram Jeyaraman 05/14/2000
19   * @version 1.0
20   */
21  
22  public final class LocateRequestMessage_1_0 extends Message_1_0
23          implements LocateRequestMessage {
24  
25      // Instance variables
26  
27      private ORB orb = null;
28      private int request_id = (int) 0;
29      private byte[] object_key = null;
30      private ObjectKey objectKey = null;
31  
32      // Constructor
33  
34      LocateRequestMessage_1_0(ORB orb) {
35          this.orb = orb;
36      }
37  
38      LocateRequestMessage_1_0(ORB orb, int _request_id, byte[] _object_key) {
39          super(Message.GIOPBigMagic, false, Message.GIOPLocateRequest, 0);
40          this.orb = orb;
41          request_id = _request_id;
42          object_key = _object_key;
43      }
44  
45      // Accessor methods (LocateRequestMessage interface)
46  
47      public int getRequestId() {
48          return this.request_id;
49      }
50  
51      public ObjectKey getObjectKey() {
52          if (this.objectKey == null) {
53          // this will raise a MARSHAL exception upon errors.
54          this.objectKey = MessageBase.extractObjectKey(object_key, orb);
55          }
56  
57      return this.objectKey;
58      }
59  
60      // IO methods
61  
62      public void read(org.omg.CORBA.portable.InputStream   istream) {
63          super.read(istream);;
64          this.request_id = istream.read_ulong();
65          int _len0 = istream.read_long();
66          this.object_key = new byte[_len0];
67          istream.read_octet_array (this.object_key, 0, _len0);
68      }
69  
70      public void write(org.omg.CORBA.portable.OutputStream   ostream) {
71          super.write(ostream);
72          ostream.write_ulong(this.request_id);
73          nullCheck(this.object_key);
74          ostream.write_long(this.object_key.length);
75          ostream.write_octet_array(this.object_key, 0, this.object_key.length);
76      }
77  
78      public void callback(MessageHandler handler)
79          throws java.io.IOException  
80      {
81          handler.handleInput(this);
82      }
83  } // class LocateRequestMessage_1_0
84
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