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1: /* NamingContextExtHelper.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 org.omg.CORBA.Any; 42: import org.omg.CORBA.BAD_OPERATION; 43: import org.omg.CORBA.BAD_PARAM; 44: import org.omg.CORBA.ORB; 45: import org.omg.CORBA.TypeCode; 46: import org.omg.CORBA.portable.Delegate; 47: import org.omg.CORBA.portable.InputStream; 48: import org.omg.CORBA.portable.ObjectImpl; 49: import org.omg.CORBA.portable.OutputStream; 50: 51: /** 52: * The helper operations for the extended naming context. 53: * 54: * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 55: */ 56: public abstract class NamingContextExtHelper 57: { 58: /** 59: * The naming context repository id. 60: */ 61: private static String _id = "IDL:omg.org/CosNaming/NamingContextExt:1.0"; 62: 63: /** 64: * The cached {@link NamingContextExt} typecode. 65: */ 66: private static TypeCode typeCode = null; 67: 68: /** 69: * Extract the naming context from the given {@link Any}. 70: */ 71: public static NamingContextExt extract(Any a) 72: { 73: try 74: { 75: return ((NamingContextExtHolder) a.extract_Streamable()).value; 76: } 77: catch (ClassCastException ex) 78: { 79: BAD_OPERATION bad = new BAD_OPERATION("NamingContextExt expected"); 80: bad.initCause(ex); 81: throw bad; 82: } 83: } 84: 85: /** 86: * Get the {@link NamingContextExt} repository id. 87: */ 88: public static String id() 89: { 90: return _id; 91: } 92: 93: /** 94: * Insert the naming context into the given {@link Any} 95: */ 96: public static void insert(Any a, NamingContextExt that) 97: { 98: a.insert_Streamable(new NamingContextExtHolder(that)); 99: } 100: 101: /** 102: * Cast the passed object into the NamingContextExt. If the 103: * object has a different java type, create an instance 104: * of the NamingContextExt, using the same delegate, as for 105: * the passed parameter. Hence this method may return 106: * a different object, than has been passed. 107: * 108: * @param obj the object to cast. 109: * @return casted instance. 110: */ 111: public static NamingContextExt narrow(org.omg.CORBA.Object obj) 112: { 113: if (obj == null) 114: return null; 115: else if (obj instanceof NamingContextExt) 116: return (NamingContextExt) obj; 117: else if (!obj._is_a(id())) 118: throw new BAD_PARAM(); 119: else 120: { 121: Delegate delegate = ((ObjectImpl) obj)._get_delegate(); 122: return new _NamingContextExtStub(delegate); 123: } 124: } 125: 126: /** 127: * Read the extended naming context from the given CDR input stream. 128: */ 129: public static NamingContextExt read(InputStream istream) 130: { 131: return narrow(istream.read_Object(_NamingContextExtStub.class)); 132: } 133: 134: /** 135: * Get the type code of the {@link NamingContextExt}. 136: */ 137: public static TypeCode type() 138: { 139: if (typeCode == null) 140: typeCode = 141: ORB.init().create_interface_tc(NamingContextExtHelper.id(), 142: "NamingContextExt" 143: ); 144: return typeCode; 145: } 146: 147: /** 148: * Write the given extended naming context into the given CDR output stream. 149: */ 150: public static void write(OutputStream ostream, NamingContextExt value) 151: { 152: ostream.write_Object(value); 153: } 154: }
GNU Classpath (0.17) |