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

   1 /* ObjectHelper.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.Minor;
  42 import gnu.CORBA.typecodes.PrimitiveTypeCode;
  43
  44 import org.omg.CORBA.portable.InputStream;
  45 import org.omg.CORBA.portable.OutputStream;
  46
  47 /**
  48  * The helper operations for the binding list.
  49  *
  50  * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
  51  */
  52 public abstract class ObjectHelper
  53 {
  54   static TypeCode typeCode;
  55
  56   /**
  57    * Extract the array of object from the given {@link Any}.
  58    */
  59   public static org.omg.CORBA.Object extract(Any a)
  60   {
  61     try
  62       {
  63         return ((ObjectHolder) a.extract_Streamable()).value;
  64       }
  65     catch (ClassCastException ex)
  66       {
  67         BAD_OPERATION bad = new BAD_OPERATION("CORBA object expected");
  68         bad.minor = Minor.Any;
  69         throw bad;
  70       }
  71   }
  72
  73   /**
  74    * Get the object repository id.
  75    * @return the empty string.
  76    */
  77   public static String id()
  78   {
  79     return "";
  80   }
  81
  82   /**
  83    * Insert the object into the given {@link Any}.
  84    */
  85   public static void insert(Any a, org.omg.CORBA.Object object)
  86   {
  87     a.insert_Streamable(new ObjectHolder(object));
  88   }
  89
  90   /**
  91    * Read the object from the given CDR input stream.
  92    */
  93   public static org.omg.CORBA.Object read(InputStream istream)
  94   {
  95     return istream.read_Object();
  96   }
  97
  98   /**
  99    * Return the object type code.
 100    */
 101   public static TypeCode type()
 102   {
 103     if (typeCode == null)
 104       typeCode = ORB.init().get_primitive_tc(TCKind.tk_objref);
 105     return typeCode;
 106   }
 107
 108   /**
 109    * Write the object into the given CDR output stream.
 110    */
 111   public static void write(OutputStream ostream, org.omg.CORBA.Object value)
 112   {
 113     ostream.write_Object(value);
 114   }
 115 }