libjava/classpath/gnu/CORBA/GIOP/v1_0/ReplyHeader.java

   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_0;
  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 import gnu.java.lang.CPStringBuilder;
  47
  48 /**
  49  * The header of the standard reply.
  50  *
  51  * @author Audrius Meskauskas (AudriusA@Bioinformatics.org)
  52  */
  53 public class ReplyHeader
  54   extends gnu.CORBA.GIOP.ReplyHeader
  55 {
  56   /**
  57    * Return the message status as a string.
  58    */
  59   public String getStatusString()
  60   {
  61     switch (reply_status)
  62       {
  63         case NO_EXCEPTION :
  64           return "ok";
  65
  66         case USER_EXCEPTION :
  67           return "user exception";
  68
  69         case SYSTEM_EXCEPTION :
  70           return "system exception";
  71
  72         case LOCATION_FORWARD :
  73           return "moved";
  74
  75         default :
  76           return null;
  77       }
  78   }
  79
  80   /**
  81    * Get the string representation of all included contexts.
  82    */
  83   public String contexts()
  84   {
  85     CPStringBuilder b = new CPStringBuilder();
  86     for (int i = 0; i < service_context.length; i++)
  87       {
  88         b.append(service_context [ i ].toString());
  89         b.append(' ');
  90       }
  91     return b.toString();
  92   }
  93
  94   /**
  95    * Reads the header from the stream.
  96    *
  97    * Sets the code set of this stream to
  98    * the code set, specfied in the header.
  99    *
 100    * @param in a stream to read from.
 101    */
 102
 103   public void read(AbstractCdrInput in)
 104   {
 105     service_context = ServiceContext.readSequence(in);
 106     request_id = in.read_ulong();
 107     reply_status = in.read_ulong();
 108
 109     in.setCodeSet(CodeSetServiceContext.find(service_context));
 110   }
 111
 112   /**
 113    * Returns a short string representation.
 114    *
 115    * @return a string representation.
 116    */
 117   public String toString()
 118   {
 119     String status = getStatusString();
 120     if (status == null)
 121       status = "status " + reply_status;
 122     return request_id + ", " + status + " " + contexts();
 123   }
 124
 125   /**
 126    * Writes the header to the stream.
 127    *
 128    * Sets the code set of this stream to
 129    * the code set, specfied in the header.
 130    *
 131    * @param out a stream to write into.
 132    */
 133   public void write(AbstractCdrOutput out)
 134   {
 135     ServiceContext.writeSequence(out, service_context);
 136     out.write_ulong(request_id);
 137     out.write_ulong(reply_status);
 138
 139     out.setCodeSet(CodeSetServiceContext.find(service_context));
 140   }
 141 }