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1: /* ValueBaseHelper.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 gnu.CORBA.CDR.Vio; 42: import gnu.CORBA.typecodes.RecordTypeCode; 43: 44: import org.omg.CORBA.portable.InputStream; 45: import org.omg.CORBA.portable.OutputStream; 46: 47: import java.io.Serializable; 48: 49: /** 50: * A helper operations for the value base type ({@link ValueBase}). 51: * 52: * @since 1.3 53: * 54: * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 55: */ 56: public abstract class ValueBaseHelper 57: { 58: /** 59: * Extract the value type from the given Any. 60: * 61: * @param a the Any to extract from. 62: * 63: * @return the extracted value type. 64: */ 65: public static Serializable extract(Any a) 66: { 67: return a.extract_Value(); 68: } 69: 70: /** 71: * Return the value base helper repository id. 72: * 73: * @return IDL:omg.org/CORBA/ValueBase:1.0, always. 74: */ 75: public static String id() 76: { 77: return "IDL:omg.org/CORBA/ValueBase:1.0"; 78: } 79: 80: /** 81: * Insert the value base that is Serializable into 82: * the given Any. 83: * 84: * @param a the Any to insert into. 85: * @param that the value base to insert. 86: */ 87: public static void insert(Any a, Serializable that) 88: { 89: a.insert_Value(that); 90: } 91: 92: /** 93: * Read the value base from the given input stream. 94: * 95: * @param input a stream to read from. 96: * 97: * @return the loaded value. 98: * 99: * @throws MARSHAL if the reading has failed due any reason. 100: */ 101: public static Serializable read(InputStream input) 102: { 103: return Vio.read(input); 104: } 105: 106: /** 107: * Get the typecode of the value type. 108: * @return 109: */ 110: public static TypeCode type() 111: { 112: RecordTypeCode r = new RecordTypeCode(TCKind.tk_value); 113: return r; 114: } 115: 116: /** 117: * Write the value base into the given stream. 118: * 119: * If the passed value implements the {@link CustomMarshal}, 120: * the helper uses {@link CustomMarshal#marshal} 121: * to write the content in a user defined way. Otherwise, 122: * this implementation initialises the {@link ObjectOutputStream} 123: * and writes through it. 124: * 125: * @param output a stream to write to. 126: * 127: * @param value a value to write. 128: * 129: * @throws MARSHAL if the writing failed due any reason. 130: */ 131: public static void write(OutputStream output, Serializable value) 132: { 133: Vio.write(output, value); 134: }
GNU Classpath (0.20) |