gomp-20050608-branch/libjava/classpath/org/omg/PortableInterceptor/ObjectReferenceTemplateHelper.java

   1 /* ObjectReferenceTemplateHelper.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.PortableInterceptor;
  40
  41 import gnu.CORBA.Minor;
  42
  43 import org.omg.CORBA.Any;
  44 import org.omg.CORBA.BAD_OPERATION;
  45 import org.omg.CORBA.ORB;
  46 import org.omg.CORBA.TypeCode;
  47 import org.omg.CORBA.VM_ABSTRACT;
  48 import org.omg.CORBA.ValueMember;
  49 import org.omg.CORBA.portable.InputStream;
  50 import org.omg.CORBA.portable.OutputStream;
  51
  52 /**
  53  * The helper operations for the  CORBA object
  54  * {@link ObjectReferenceTemplate}.
  55  *
  56  * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
  57  */
  58 public abstract class ObjectReferenceTemplateHelper
  59 {
  60   /**
  61    * The cached {@link ObjectReferenceTemplate} typecode, computed once.
  62    */
  63   private static TypeCode typeCode;
  64
  65   /**
  66    * Get the type code of the {@link ObjectReferenceTemplate}.
  67    *
  68    * @return value type type code, named ObjectReferenceTemplate,
  69    * no members, abstract.
  70    */
  71   public static TypeCode type()
  72   {
  73     if (typeCode == null)
  74       typeCode =
  75         ORB.init().create_value_tc(id(), "ObjectReferenceTemplate",
  76           VM_ABSTRACT.value, null, new ValueMember[ 0 ]
  77         );
  78     return typeCode;
  79   }
  80
  81   /**
  82    * Insert the ObjectReferenceTemplate into the given Any.
  83    *
  84    * @param any the Any to insert into.
  85    * @param that the ObjectReferenceTemplate to insert.
  86    */
  87   public static void insert(Any any, ObjectReferenceTemplate that)
  88   {
  89     any.insert_Streamable(new ObjectReferenceTemplateHolder(that));
  90   }
  91
  92   /**
  93    * Extract the ObjectReferenceTemplate from given Any.
  94    *
  95    * @throws BAD_OPERATION if the passed Any does not
  96    * contain ObjectReferenceTemplate.
  97    */
  98   public static ObjectReferenceTemplate extract(Any any)
  99   {
 100     try
 101       {
 102         ObjectReferenceTemplateHolder h =
 103           (ObjectReferenceTemplateHolder) any.extract_Streamable();
 104         return h.value;
 105       }
 106     catch (ClassCastException ex)
 107       {
 108         BAD_OPERATION bad =
 109           new BAD_OPERATION("ObjectReferenceTemplate expected");
 110         bad.minor = Minor.Any;
 111         bad.initCause(ex);
 112         throw bad;
 113       }
 114   }
 115
 116   /**
 117    * Get the ObjectReferenceTemplate repository id.
 118    *
 119    * @return "IDL:omg.org/PortableInterceptor/ObjectReferenceTemplate:1.0",
 120    * always.
 121    */
 122   public static String id()
 123   {
 124     return "IDL:omg.org/PortableInterceptor/ObjectReferenceTemplate:1.0";
 125   }
 126
 127   /**
 128    * Read the object reference template (as the value type).
 129    */
 130   public static ObjectReferenceTemplate read(InputStream input)
 131   {
 132     return (ObjectReferenceTemplate)
 133       ((org.omg.CORBA_2_3.portable.InputStream) input).read_value();
 134   }
 135
 136   /**
 137    * Write the object reference template (as the value type).
 138    */
 139   public static void write(OutputStream output, ObjectReferenceTemplate value)
 140   {
 141     ((org.omg.CORBA_2_3.portable.OutputStream) output).
 142       write_value(value);
 143   }
 144 }