001/* ServiceIdHelper.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.IOP; 040 041import gnu.CORBA.OrbRestricted; 042 043import org.omg.CORBA.Any; 044import org.omg.CORBA.BAD_OPERATION; 045import org.omg.CORBA.ORB; 046import org.omg.CORBA.TCKind; 047import org.omg.CORBA.TypeCode; 048import org.omg.CORBA.portable.InputStream; 049import 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*/ 062public 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}