old-autovect-branch/libjava/classpath/org/omg/CORBA/AnySeqHolder.java

   1 /* AnySeqHolder.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 org.omg.CORBA;
  40
  41 import gnu.CORBA.typecodes.ArrayTypeCode;
  42
  43 import org.omg.CORBA.portable.InputStream;
  44 import org.omg.CORBA.portable.OutputStream;
  45 import org.omg.CORBA.portable.Streamable;
  46
  47 /**
  48  * A sequence holder for CORBA <code>AnySeq</code> that is mapped into
  49  * java <code>Any[]</code>.
  50  *
  51  * @author Audrius Meskauskas (AudriusA@Bioinformatics.org)
  52  */
  53 public final class AnySeqHolder
  54   implements Streamable
  55 {
  56   /**
  57    * The <code>Any[]</code> (CORBA <code>AnySeq</code>) value,
  58    * held by this AnySeqHolder.
  59    */
  60   public Any[] value;
  61
  62   /**
  63    * The type code for this holder. Each holder has a different instance.
  64    */
  65   private final ArrayTypeCode typecode =
  66     new ArrayTypeCode(TCKind.tk_any);
  67
  68   /**
  69    * Constructs an instance of AnySeqHolder,
  70    * initializing {@link #value} to <code>null</code>.
  71    */
  72   public AnySeqHolder()
  73   {
  74   }
  75
  76   /**
  77    * Constructs an instance of AnySeqHolder,
  78    * initializing {@link #value} to the given array
  79    */
  80   public AnySeqHolder(Any [] a_value)
  81   {
  82     value = a_value;
  83   }
  84
  85   /**
  86    * Fill in the {@link value } field by reading the required data
  87    * from the given stream. This method first reads the array size
  88    * (as CORBA <code>long</code>and then all Any's.
  89    *
  90    * @param input the input stream to read from.
  91    */
  92   public void _read(InputStream input)
  93   {
  94     value = new Any[ input.read_long() ];
  95     for (int i = 0; i < value.length; i++)
  96       {
  97         value [ i ] = input.read_any();
  98       }
  99     typecode.setLength(value.length);
 100   }
 101
 102   /**
 103    * Returns the TypeCode, corresponding the CORBA type that is stored
 104    * using this holder.
 105    */
 106   public TypeCode _type()
 107   {
 108     return typecode;
 109   }
 110
 111   /**
 112    * Write the {@link value } field to the given stream.
 113    * This method first writes the array size
 114    * (as CORBA <code>long</code> and then all Any's.
 115    *
 116    * @param output the output stream to write into.
 117    */
 118   public void _write(OutputStream output)
 119   {
 120     output.write_long(value.length);
 121
 122     for (int i = 0; i < value.length; i++)
 123       {
 124         output.write_any(value [ i ]);
 125       }
 126   }
 127
 128 }