001 /* ServiceIdHelper.java -- 002 Copyright (C) 2005, 2006 Free Software Foundation, Inc. 003 004 This file is part of GNU Classpath. 005 006 GNU Classpath is free software; you can redistribute it and/or modify 007 it under the terms of the GNU General Public License as published by 008 the Free Software Foundation; either version 2, or (at your option) 009 any later version. 010 011 GNU Classpath is distributed in the hope that it will be useful, but 012 WITHOUT ANY WARRANTY; without even the implied warranty of 013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 General Public License for more details. 015 016 You should have received a copy of the GNU General Public License 017 along with GNU Classpath; see the file COPYING. If not, write to the 018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 019 02110-1301 USA. 020 021 Linking this library statically or dynamically with other modules is 022 making a combined work based on this library. Thus, the terms and 023 conditions of the GNU General Public License cover the whole 024 combination. 025 026 As a special exception, the copyright holders of this library give you 027 permission to link this library with independent modules to produce an 028 executable, regardless of the license terms of these independent 029 modules, and to copy and distribute the resulting executable under 030 terms of your choice, provided that you also meet, for each linked 031 independent module, the terms and conditions of the license of that 032 module. An independent module is a module which is not derived from 033 or based on this library. If you modify this library, you may extend 034 this exception to your version of the library, but you are not 035 obligated to do so. If you do not wish to do so, delete this 036 exception statement from your version. */ 037 038 039 package org.omg.IOP; 040 041 import gnu.CORBA.OrbRestricted; 042 043 import org.omg.CORBA.Any; 044 import org.omg.CORBA.BAD_OPERATION; 045 import org.omg.CORBA.ORB; 046 import org.omg.CORBA.TCKind; 047 import org.omg.CORBA.TypeCode; 048 import org.omg.CORBA.portable.InputStream; 049 import org.omg.CORBA.portable.OutputStream; 050 051 /** 052 * A helper operations for a context service id. A service Id is an integer 053 * constant and needs no helper, but the one is included to 054 * to facilitate the automated code handling. 055 * 056 * @specnote In this implementation, this class is not in use. Its "logical" 057 * place is the read/write methods of the ServiceContextHelper, to handle the 058 * first member (int) of the context record. 059 * 060 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 061 */ 062 public abstract class ServiceIdHelper 063 { 064 /** 065 * Create the ServiceId typecode (alias of CORBA ulong, named "ServiceId". 066 */ 067 public static TypeCode type() 068 { 069 ORB orb = OrbRestricted.Singleton; 070 return orb.create_alias_tc("IDL:omg.org/IOP/ServiceId:1.0", "ServiceId", 071 orb.get_primitive_tc(TCKind.tk_ulong) 072 ); 073 } 074 075 /** 076 * Insert the int into the given Any. 077 */ 078 public static void insert(Any any, int that) 079 { 080 any.insert_ulong(that); 081 } 082 083 /** 084 * Extract the int from given Any. 085 * This method uses the ServiceContextHolder. 086 * 087 * @throws BAD_OPERATION if the passed Any does not contain int. 088 */ 089 public static int extract(Any any) 090 { 091 return any.extract_ulong(); 092 } 093 094 /** 095 * Get the int repository id. 096 * 097 * @return "IDL:omg.org/IOP/ServiceId:1.0", always. 098 */ 099 public static String id() 100 { 101 return "IDL:omg.org/IOP/ServiceId:1.0"; 102 } 103 104 /** 105 * Read the ServiceId from the CDR intput stream. 106 * 107 * @param input a org.omg.CORBA.portable stream to read from. 108 */ 109 public static int read(InputStream input) 110 { 111 return input.read_ulong(); 112 } 113 114 /** 115 * Write the ServiceId to the CDR output stream. 116 * 117 * @param output a org.omg.CORBA.portable stream stream to write into. 118 * @param value a value to write. 119 */ 120 public static void write(OutputStream output, int value) 121 { 122 output.write_ulong(value); 123 } 124 }