001/* NameComponentHelper.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.CosNaming; 040 041import gnu.CORBA.Minor; 042import gnu.CORBA.OrbRestricted; 043 044import org.omg.CORBA.Any; 045import org.omg.CORBA.BAD_OPERATION; 046import org.omg.CORBA.ORB; 047import org.omg.CORBA.StructMember; 048import org.omg.CORBA.TypeCode; 049import org.omg.CORBA.portable.InputStream; 050import org.omg.CORBA.portable.OutputStream; 051 052/** 053 * A helper classes for the name component. 054 * 055 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 056 */ 057public abstract class NameComponentHelper 058{ 059 /** 060 * A {@link NameComponent} repository id. 061 */ 062 private static String _id = "IDL:omg.org/CosNaming/NameComponent:1.0"; 063 064 /** 065 * Extract the name component from this {@link Any} 066 */ 067 public static NameComponent extract(Any a) 068 { 069 try 070 { 071 return ((NameComponentHolder) a.extract_Streamable()).value; 072 } 073 catch (ClassCastException ex) 074 { 075 BAD_OPERATION bad = new BAD_OPERATION("Name component expected"); 076 bad.initCause(ex); 077 bad.minor = Minor.Any; 078 throw bad; 079 } 080 } 081 082 /** 083 * Get the repository Id of the {@link NameComponent}. 084 * @return "IDL:omg.org/CosNaming/NameComponent:1.0" 085 */ 086 public static String id() 087 { 088 return _id; 089 } 090 091 /** 092 * Insert the name compnent into the given {@link Any}. 093 */ 094 public static void insert(Any a, NameComponent that) 095 { 096 a.insert_Streamable(new NameComponentHolder(that)); 097 } 098 099 /** 100 * Read the name component from the given CDR input stream. 101 */ 102 public static NameComponent read(InputStream istream) 103 { 104 NameComponent value = new NameComponent(); 105 value.id = istream.read_string(); 106 value.kind = istream.read_string(); 107 return value; 108 } 109 110 /** 111 * Get the type code of the named component. 112 */ 113 public static TypeCode type() 114 { 115 ORB orb = OrbRestricted.Singleton; 116 117 StructMember[] members = new StructMember[ 2 ]; 118 TypeCode member; 119 member = orb.create_string_tc(0); 120 members [ 0 ] = new StructMember("id", member, null); 121 member = orb.create_string_tc(0); 122 members [ 1 ] = new StructMember("kind", member, null); 123 return 124 orb.create_struct_tc(NameComponentHelper.id(), "NameComponent", 125 members 126 ); 127 } 128 129 /** 130 * Write the named component into the CDR output stream. 131 */ 132 public static void write(OutputStream ostream, NameComponent value) 133 { 134 ostream.write_string(value.id); 135 ostream.write_string(value.kind); 136 } 137}