Source for gnu.CORBA.GIOP.v1_2.ReplyHeader

   1: /* ReplyHeader.java --
   2:    Copyright (C) 2005 Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: 
  39: package gnu.CORBA.GIOP.v1_2;
  40: 
  41: import gnu.CORBA.CDR.AbstractCdrInput;
  42: import gnu.CORBA.CDR.AbstractCdrOutput;
  43: import gnu.CORBA.GIOP.ServiceContext;
  44: import gnu.CORBA.GIOP.CodeSetServiceContext;
  45: 
  46: /**
  47:  * GIOP 1.2 reply header.
  48:  *
  49:  * @author Audrius Meskauskas (AudriusA@Bioinformatics.org)
  50:  */
  51: public class ReplyHeader
  52:   extends gnu.CORBA.GIOP.v1_0.ReplyHeader
  53: {
  54:   /**
  55:    * Adds the standard encoding context.
  56:    */
  57:   public ReplyHeader()
  58:   {
  59:     service_context = new ServiceContext[] { CodeSetServiceContext.STANDARD };
  60:   }
  61: 
  62:   /**
  63:    * Return the message status as a string.
  64:    */
  65:   public String getStatusString()
  66:   {
  67:     String s = super.getStatusString();
  68:     if (s != null)
  69:       return s;
  70:     switch (reply_status)
  71:       {
  72:         case LOCATION_FORWARD_PERM :
  73:           return "moved permanently";
  74: 
  75:         case NEEDS_ADDRESSING_MODE :
  76:           return "the alternative addressing mode required";
  77: 
  78:         default :
  79:           return null;
  80:       }
  81:   }
  82: 
  83:   /**
  84:    * Reads the header from the stream.
  85:    * The fields go in different order than in the previous GIOP versions.
  86:    *
  87:    * Sets the code set of this stream to
  88:    * the code set, specfied in the header.
  89:    *
  90:    * @param in a stream to read from.
  91:    */
  92:   public void read(AbstractCdrInput in)
  93:   {
  94:     request_id = in.read_ulong();
  95:     reply_status = in.read_ulong();
  96:     service_context = gnu.CORBA.GIOP.ServiceContext.readSequence(in);
  97: 
  98:     in.setCodeSet(CodeSetServiceContext.find(service_context));
  99:   }
 100: 
 101:   /**
 102:    * Writes the header to the stream.
 103:    * The fields go in different order than in the previous GIOP versions.
 104:    *
 105:    * Sets the code set of this stream to
 106:    * the code set, specfied in the header.
 107:    *
 108:    * @param out a stream to write into.
 109:    */
 110:   public void write(AbstractCdrOutput out)
 111:   {
 112:     out.write_ulong(request_id);
 113:     out.write_ulong(reply_status);
 114:     gnu.CORBA.GIOP.ServiceContext.writeSequence(out, service_context);
 115: 
 116:     out.setCodeSet(CodeSetServiceContext.find(service_context));
 117:   }
 118: }