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1: /* NameComponentHelper.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.CosNaming; 40: 41: import gnu.CORBA.Minor; 42: 43: import org.omg.CORBA.Any; 44: import org.omg.CORBA.BAD_OPERATION; 45: import org.omg.CORBA.ORB; 46: import org.omg.CORBA.StructMember; 47: import org.omg.CORBA.TypeCode; 48: import org.omg.CORBA.portable.InputStream; 49: import org.omg.CORBA.portable.OutputStream; 50: 51: /** 52: * A helper classes for the name component. 53: * 54: * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 55: */ 56: public abstract class NameComponentHelper 57: { 58: /** 59: * A {@link NameComponent} repository id. 60: */ 61: private static String _id = "IDL:omg.org/CosNaming/NameComponent:1.0"; 62: 63: /** 64: * The cached type code. 65: */ 66: private static TypeCode typeCode = null; 67: 68: /** 69: * Extract the name component from this {@link Any} 70: */ 71: public static NameComponent extract(Any a) 72: { 73: try 74: { 75: return ((NameComponentHolder) a.extract_Streamable()).value; 76: } 77: catch (ClassCastException ex) 78: { 79: BAD_OPERATION bad = new BAD_OPERATION("Name component expected"); 80: bad.initCause(ex); 81: bad.minor = Minor.Any; 82: throw bad; 83: } 84: } 85: 86: /** 87: * Get the repository Id of the {@link NameComponent}. 88: * @return 89: */ 90: public static String id() 91: { 92: return _id; 93: } 94: 95: /** 96: * Insert the name compnent into the given {@link Any}. 97: */ 98: public static void insert(Any a, NameComponent that) 99: { 100: a.insert_Streamable(new NameComponentHolder(that)); 101: } 102: 103: /** 104: * Read the name component from the given CDR input stream. 105: */ 106: public static NameComponent read(InputStream istream) 107: { 108: NameComponent value = new NameComponent(); 109: value.id = istream.read_string(); 110: value.kind = istream.read_string(); 111: return value; 112: } 113: 114: /** 115: * Get the type code of the named component. 116: */ 117: public static TypeCode type() 118: { 119: if (typeCode == null) 120: { 121: ORB orb = ORB.init(); 122: 123: StructMember[] members = new StructMember[ 2 ]; 124: TypeCode member; 125: member = orb.create_string_tc(0); 126: members [ 0 ] = new StructMember("id", member, null); 127: member = orb.create_string_tc(0); 128: members [ 1 ] = new StructMember("kind", member, null); 129: typeCode = 130: orb.create_struct_tc(NameComponentHelper.id(), "NameComponent", 131: members 132: ); 133: } 134: return typeCode; 135: } 136: 137: /** 138: * Write the named component into the CDR output stream. 139: */ 140: public static void write(OutputStream ostream, NameComponent value) 141: { 142: ostream.write_string(value.id); 143: ostream.write_string(value.kind); 144: } 145: }
GNU Classpath (0.20) |