001/* ValueBaseHolder.java -- 002 Copyright (C) 2005, 2006 Free Software Foundation, Inc. 003 004This file is part of GNU Classpath. 005 006GNU Classpath is free software; you can redistribute it and/or modify 007it under the terms of the GNU General Public License as published by 008the Free Software Foundation; either version 2, or (at your option) 009any later version. 010 011GNU Classpath is distributed in the hope that it will be useful, but 012WITHOUT ANY WARRANTY; without even the implied warranty of 013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014General Public License for more details. 015 016You should have received a copy of the GNU General Public License 017along with GNU Classpath; see the file COPYING. If not, write to the 018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 01902110-1301 USA. 020 021Linking this library statically or dynamically with other modules is 022making a combined work based on this library. Thus, the terms and 023conditions of the GNU General Public License cover the whole 024combination. 025 026As a special exception, the copyright holders of this library give you 027permission to link this library with independent modules to produce an 028executable, regardless of the license terms of these independent 029modules, and to copy and distribute the resulting executable under 030terms of your choice, provided that you also meet, for each linked 031independent module, the terms and conditions of the license of that 032module. An independent module is a module which is not derived from 033or based on this library. If you modify this library, you may extend 034this exception to your version of the library, but you are not 035obligated to do so. If you do not wish to do so, delete this 036exception statement from your version. */ 037 038 039package org.omg.CORBA; 040 041import org.omg.CORBA.portable.InputStream; 042import org.omg.CORBA.portable.OutputStream; 043import org.omg.CORBA.portable.Streamable; 044import org.omg.CORBA.portable.ValueBase; 045 046import java.io.Serializable; 047 048/** 049 * A holder to store a {@link ValueBase} that is handled as 050 * {@link Serializable} here. 051 * 052 * @since 1.3 053 * 054 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 055 */ 056public class ValueBaseHolder 057 implements Streamable 058{ 059 /** 060 * A stored value of the value base type. 061 */ 062 public Serializable value; 063 064 /** 065 * Create an unitialised instance. 066 */ 067 public ValueBaseHolder() 068 { 069 } 070 071 /** 072 * Create an instance, initialised into the given value. 073 * 074 * @param initial an initial value. 075 */ 076 public ValueBaseHolder(Serializable initial) 077 { 078 value = initial; 079 } 080 081 /** 082 * Read fill in the value field by reading an instance from the 083 * given input stream. Uses {@link ValueBaseHelper} 084 * 085 * @param input a stream to read from. 086 */ 087 public void _read(InputStream input) 088 { 089 value = ValueBaseHelper.read(input); 090 } 091 092 /** 093 * Get the typecode of the stored instance. Uses {@link ValueBaseHelper} 094 */ 095 public TypeCode _type() 096 { 097 return ValueBaseHelper.type(); 098 } 099 100 /** 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 } 110}