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