Source for org.omg.CORBA.ValueBaseHolder

   1: /* ValueBaseHolder.java --
   2:    Copyright (C) 2005, 2006 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 org.omg.CORBA.portable.InputStream;
  42: import org.omg.CORBA.portable.OutputStream;
  43: import org.omg.CORBA.portable.Streamable;
  44: import org.omg.CORBA.portable.ValueBase;
  45: 
  46: import java.io.Serializable;
  47: 
  48: /**
  49:  * A holder to store a {@link ValueBase} that is handled as
  50:  * {@link Serializable} here.
  51:  *
  52:  * @since 1.3
  53:  *
  54:  * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
  55:  */
  56: public class ValueBaseHolder
  57:   implements Streamable
  58: {
  59:   /**
  60:    * A stored value of the value base type.
  61:    */
  62:   public Serializable value;
  63: 
  64:   /**
  65:    * Create an unitialised instance.
  66:    */
  67:   public ValueBaseHolder()
  68:   {
  69:   }
  70: 
  71:   /**
  72:    * Create an instance, initialised into the given value.
  73:    *
  74:    * @param initial an initial value.
  75:    */
  76:   public ValueBaseHolder(Serializable initial)
  77:   {
  78:     value = initial;
  79:   }
  80: 
  81:   /**
  82:    * Read fill in the value field by reading an instance from the
  83:    * given input stream. Uses {@link ValueBaseHelper}
  84:    *
  85:    * @param input a stream to read from.
  86:    */
  87:   public void _read(InputStream input)
  88:   {
  89:     value = ValueBaseHelper.read(input);
  90:   }
  91: 
  92:   /**
  93:    * Get the typecode of the stored instance. Uses {@link ValueBaseHelper}
  94:    */
  95:   public TypeCode _type()
  96:   {
  97:     return ValueBaseHelper.type();
  98:   }
  99: 
 100:   /**
 101:    * Write the stored instance to the given output stream.
 102:    * Uses {@link ValueBaseHelper}
 103:    *
 104:    * @param output a stream to write to.
 105:    */
 106:   public void _write(OutputStream output)
 107:   {
 108:     ValueBaseHelper.write(output, value);
 109:   }