1. /*

  2.  * @(#)Message_1_2.java	1.4 03/01/23

  3.  *

  4.  * Copyright 2003 Sun Microsystems, Inc. All rights reserved.

  5.  * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.

  6.  */

  7. package com.sun.corba.se.internal.iiop.messages;

  8. 

  9. import com.sun.corba.se.internal.core.GIOPVersion;

  10. 

  11. public class Message_1_2 extends Message_1_1

  12. {

  13.     protected int request_id = (int) 0;

  14. 

  15.     Message_1_2() {}

  16.     

  17.     Message_1_2(int _magic, GIOPVersion _GIOP_version, byte _flags,

  18.             byte _message_type, int _message_size) {

  19. 

  20.         super(_magic,

  21.               _GIOP_version,

  22.               _flags,

  23.               _message_type,

  24.               _message_size);

  25.     }    

  26. 

  27.     /**

  28.      * The byte buffer is presumed to have contents of the message already

  29.      * read in.  It must have 12 bytes of space at the beginning for the GIOP header,

  30.      * but the header doesn't have to be copied in.

  31.      */

  32.     public void unmarshalRequestID(byte buf[]) {

  33.         int b1, b2, b3, b4;

  34. 

  35.         if (!isLittleEndian()) {

  36.             b1 = (buf[GIOPMessageHeaderLength + 0] << 24) & 0xFF000000;

  37.             b2 = (buf[GIOPMessageHeaderLength + 1] << 16) & 0x00FF0000;

  38.             b3 = (buf[GIOPMessageHeaderLength + 2] << 8)  & 0x0000FF00;

  39.             b4 = (buf[GIOPMessageHeaderLength + 3] << 0)  & 0x000000FF;

  40.         } else {

  41.             b1 = (buf[GIOPMessageHeaderLength + 3] << 24) & 0xFF000000;

  42.             b2 = (buf[GIOPMessageHeaderLength + 2] << 16) & 0x00FF0000;

  43.             b3 = (buf[GIOPMessageHeaderLength + 1] << 8)  & 0x0000FF00;

  44.             b4 = (buf[GIOPMessageHeaderLength + 0] << 0)  & 0x000000FF;

  45.         }

  46. 

  47.         this.request_id = (b1 | b2 | b3 | b4);

  48.     }

  49. }

  50.