Source for org.omg.PortableInterceptor.ObjectReferenceFactoryHelper

   1: /* ObjectReferenceFactoryHelper.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.CDR.Vio;
  42: import gnu.CORBA.Minor;
  43: 
  44: import org.omg.CORBA.Any;
  45: import org.omg.CORBA.BAD_OPERATION;
  46: import org.omg.CORBA.ORB;
  47: import org.omg.CORBA.TypeCode;
  48: import org.omg.CORBA.ValueMember;
  49: import org.omg.CORBA.portable.InputStream;
  50: import org.omg.CORBA.portable.OutputStream;
  51: import org.omg.CORBA.VM_ABSTRACT;
  52: 
  53: /**
  54:  * The helper operations for the CORBA object {@link ObjectReferenceFactory}.
  55:  *
  56:  * @since 1.5
  57:  *
  58:  * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
  59:  */
  60: public abstract class ObjectReferenceFactoryHelper
  61: {
  62:   /**
  63:    * The cached {@link ObjectReferenceFactory} typecode, computed once.
  64:    */
  65:   private static TypeCode typeCode;
  66: 
  67:   /**
  68:    * Get the type code of the {@link ObjectReferenceFactory}.
  69:    *
  70:    * @return value type code with the agreed id, named
  71:    * "ObjectReferenceFactory", abstract, no members, no base type.
  72:    */
  73:   public static TypeCode type()
  74:   {
  75:     if (typeCode == null)
  76:       typeCode =
  77:         ORB.init().create_value_tc(id(), "ObjectReferenceFactory",
  78:           VM_ABSTRACT.value, null, new ValueMember[ 0 ]
  79:         );
  80:     return typeCode;
  81:   }
  82: 
  83:   /**
  84:    * Insert the ObjectReferenceFactory into the given Any.
  85:    *
  86:    * @param any the Any to insert into.
  87:    * @param that the ObjectReferenceFactory to insert.
  88:    */
  89:   public static void insert(Any any, ObjectReferenceFactory that)
  90:   {
  91:     ObjectReferenceFactoryHolder h = new ObjectReferenceFactoryHolder(that);
  92:     any.insert_Streamable(h);
  93:   }
  94: 
  95:   /**
  96:    * Extract the ObjectReferenceFactory from given Any.
  97:    *
  98:    * @throws BAD_OPERATION if the passed Any does not contain ObjectReferenceFactory.
  99:    */
 100:   public static ObjectReferenceFactory extract(Any any)
 101:   {
 102:     try
 103:       {
 104:         ObjectReferenceFactoryHolder h =
 105:           (ObjectReferenceFactoryHolder) (any.extract_Streamable());
 106:         return h.value;
 107:       }
 108:     catch (ClassCastException ex)
 109:       {
 110:         BAD_OPERATION bad =
 111:           new BAD_OPERATION("ObjectReferenceFactory expected");
 112:         bad.minor = Minor.Any;
 113:         bad.initCause(ex);
 114:         throw bad;
 115:       }
 116:   }
 117: 
 118:   /**
 119:    * Get the ObjectReferenceFactory repository id.
 120:    *
 121:    * @return "IDL:omg.org/PortableInterceptor/ObjectReferenceFactory:1.0",
 122:    * always.
 123:    */
 124:   public static String id()
 125:   {
 126:     return "IDL:omg.org/PortableInterceptor/ObjectReferenceFactory:1.0";
 127:   }
 128: 
 129:   /**
 130:    * Read the ObjectReferenceFactory from the CDR intput stream
 131:    * (ValueBase type expected).
 132:    *
 133:    * @param input a org.omg.CORBA.portable stream to read from.
 134:    */
 135:   public static ObjectReferenceFactory read(InputStream input)
 136:   {
 137:     return (ObjectReferenceFactory) Vio.read(input);
 138:   }
 139: 
 140:   /**
 141:    * Write the ObjectReferenceFactory to the CDR output stream (as a ValueBase).
 142:    *
 143:    * @param output a org.omg.CORBA.portable stream stream to write into.
 144:    * @param value a value to write.
 145:    */
 146:   public static void write(OutputStream output, ObjectReferenceFactory value)
 147:   {
 148:     Vio.write(output, value);
 149:   }