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1: /* BindingIteratorHelper.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 {@link BindingIterator} 53: * 54: * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 55: */ 56: public abstract class BindingIteratorHelper 57: { 58: /** 59: * The {@link BindingIterator} repository id. 60: */ 61: private static String _id = "IDL:omg.org/CosNaming/BindingIterator:1.0"; 62: 63: /** 64: * The cached type code value. 65: */ 66: private static TypeCode typeCode = null; 67: 68: /** 69: * Extract the binding iterator from the given {@link Any}. 70: */ 71: public static BindingIterator extract(Any a) 72: { 73: try 74: { 75: return ((BindingIteratorHolder) a.extract_Streamable()).value; 76: } 77: catch (ClassCastException ex) 78: { 79: BAD_OPERATION bad = new BAD_OPERATION("Binding iterator expected"); 80: bad.initCause(ex); 81: throw bad; 82: } 83: } 84: 85: /** 86: * Return the binding iterator repository id. 87: */ 88: public static String id() 89: { 90: return _id; 91: } 92: 93: /** 94: * Insert the binding iterator into the given {@link Any}. 95: */ 96: public static void insert(Any a, BindingIterator that) 97: { 98: a.insert_Streamable(new BindingIteratorHolder(that)); 99: } 100: 101: /** 102: * Narrow the given object to the BindingIterator. The narrowing 103: * means either direct casting or re-instantiating with the same 104: * delegate. 105: * 106: * @param obj the object to cast. 107: * 108: * @return the casted binding iterator. 109: */ 110: public static BindingIterator narrow(org.omg.CORBA.Object obj) 111: { 112: if (obj == null) 113: return null; 114: else if (obj instanceof BindingIterator) 115: return (BindingIterator) obj; 116: else if (!obj._is_a(id())) 117: throw new BAD_PARAM(); 118: else 119: { 120: Delegate delegate = ((ObjectImpl) obj)._get_delegate(); 121: return new _BindingIteratorStub(delegate); 122: } 123: } 124: 125: /** 126: * Read the exception from the given CDR stream. 127: */ 128: public static BindingIterator read(InputStream istream) 129: { 130: return narrow(istream.read_Object(_BindingIteratorStub.class)); 131: } 132: 133: /** 134: * Create the type code for the BindingIterator. 135: */ 136: public static TypeCode type() 137: { 138: if (typeCode == null) 139: typeCode = ORB.init().create_interface_tc(id(), "BindingIterator"); 140: return typeCode; 141: } 142: 143: /** 144: * Write the exception to the CDR output stream. 145: */ 146: public static void write(OutputStream ostream, BindingIterator value) 147: { 148: ostream.write_Object((org.omg.CORBA.Object) value); 149: } 150: }
GNU Classpath (0.17) |