001/* IdentifierHelper.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 gnu.CORBA.OrbRestricted; 042 043import org.omg.CORBA.Any; 044import org.omg.CORBA.ORB; 045import org.omg.CORBA.TypeCode; 046import org.omg.CORBA.portable.InputStream; 047import org.omg.CORBA.portable.OutputStream; 048 049/** 050 * A formal helper for the CORBA Identifier that is identical to the 051 * narrow string. 052 * 053 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 054 */ 055public abstract class IdentifierHelper 056{ 057 /** 058 * Insert the Identifier into Any (uses {@link Any#insert_string}). 059 * 060 * @param a the Any to insert into. 061 * @param that the string to insert. 062 */ 063 public static void insert(Any a, String that) 064 { 065 a.insert_string(that); 066 } 067 068 /** 069 * Extract the Identifier from Any ((uses {@link Any#extract_string}). 070 * 071 * @param a the Any to extract from. 072 */ 073 public static String extract(Any a) 074 { 075 return a.extract_string(); 076 } 077 078 /** 079 * Return an string alias typecode, named "Identifier". 080 */ 081 public static TypeCode type() 082 { 083 ORB orb = OrbRestricted.Singleton; 084 return orb.create_alias_tc(id(), "Identifier", orb.create_string_tc(0)); 085 } 086 087 /** 088 * Return the Identifier repository id. 089 * @return "IDL:omg.org/CORBA/Identifier:1.0", always. 090 */ 091 public static String id() 092 { 093 return "IDL:omg.org/CORBA/Identifier:1.0"; 094 } 095 096 /** 097 * Calls {@link InputStream#read_string()}. 098 * 099 * @param istream the stream to read from. 100 */ 101 public static String read(InputStream istream) 102 { 103 return istream.read_string(); 104 } 105 106 /** 107 * Calls {@link OutputStream#write_string(String)}. 108 * 109 * @param ostream the stream to write into. 110 * @param value the string (Identifier) value to write. 111 */ 112 public static void write(OutputStream ostream, String value) 113 { 114 ostream.write_string(value); 115 } 116}