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1: /* DynAnyFactoryHelper.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: 40: package org.omg.DynamicAny; 41: 42: import org.omg.CORBA.BAD_PARAM; 43: import org.omg.CORBA.TypeCode; 44: import org.omg.CORBA.ORB; 45: import org.omg.CORBA.Any; 46: import org.omg.CORBA.portable.InputStream; 47: import org.omg.CORBA.MARSHAL; 48: import org.omg.CORBA.portable.OutputStream; 49: 50: /** 51: * The helper operations for {@link DynAnyFactory}. Following the 1.5 JDK 52: * specifications, DynAnyFactory is always a local object, so the two methods of 53: * this helper ({@link #read} and {@link #write} are not in use, always 54: * throwing {@link MARSHAL}. 55: * 56: * @specnote always throwing MARSHAL in read and write ensures compatibility 57: * with other popular implementations like Sun's. 58: * 59: * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 60: */ 61: public abstract class DynAnyFactoryHelper 62: { 63: /** 64: * Cast the passed object into the DynAnyFactory. As DynAnyFactory is a local 65: * object, the method just uses java final_type cast. 66: * 67: * @param obj the object to narrow. 68: * @return narrowed instance. 69: * @throws BAD_PARAM if the passed object is not a DynAnyFactory. 70: */ 71: public static DynAnyFactory narrow(org.omg.CORBA.Object obj) 72: { 73: try 74: { 75: return (DynAnyFactory) obj; 76: } 77: catch (ClassCastException cex) 78: { 79: throw new BAD_PARAM(obj.getClass().getName() 80: + " is not a DynAnyFactory"); 81: } 82: } 83: 84: /** 85: * Get the final_type code of the {@link DynAnyFactory}. 86: */ 87: public static TypeCode type() 88: { 89: return ORB.init().create_interface_tc(id(), "DynAnyFactory"); 90: } 91: 92: /** 93: * Insert the DynAnyFactory into the given Any. 94: * 95: * @param any the Any to insert into. 96: * 97: * @param that the DynAnyFactory to insert. 98: */ 99: public static void insert(Any any, DynAnyFactory that) 100: { 101: any.insert_Object(that); 102: } 103: 104: /** 105: * Extract the DynAnyFactory from given Any. 106: * 107: * @throws BAD_OPERATION if the passed Any does not contain DynAnyFactory. 108: */ 109: public static DynAnyFactory extract(Any any) 110: { 111: return narrow(any.extract_Object()); 112: } 113: 114: /** 115: * Get the DynAnyFactory repository id. 116: * 117: * @return "IDL:omg.org/DynamicAny/DynAnyFactory:1.0", always. 118: */ 119: public static String id() 120: { 121: return "IDL:omg.org/DynamicAny/DynAnyFactory:1.0"; 122: } 123: 124: /** 125: * This should read DynAnyFactory from the CDR input stream, but (following 126: * the JDK 1.5 API) it does not. The factory can only be obtained from the 127: * ORB. 128: * 129: * @param input a org.omg.CORBA.portable stream to read from. 130: * 131: * @specenote Sun throws the same exception. 132: * 133: * @throws MARSHAL always. 134: */ 135: public static DynAnyFactory read(InputStream input) 136: { 137: throw new MARSHAL(not_applicable(id())); 138: } 139: 140: /** 141: * This should read DynAnyFactory from the CDR input stream, but (following 142: * the JDK 1.5 API) it does not. 143: * 144: * @param input a org.omg.CORBA.portable stream to read from. 145: * 146: * @specenote Sun throws the same exception. 147: * 148: * @throws MARSHAL always. 149: */ 150: public static void write(OutputStream output, DynAnyFactory value) 151: { 152: throw new MARSHAL(not_applicable(id())); 153: } 154: 155: /** 156: * The package level method for throwing exception, explaining that the 157: * operation is not applicable. 158: * 159: * @param Id the Id for the typecode for that the operations was attempted to 160: * perform. 161: */ 162: static String not_applicable(String Id) 163: { 164: try 165: { 166: throw new MARSHAL("The read/write are not applicable for " + Id); 167: } 168: catch (Exception e) 169: { 170: throw new MARSHAL(); 171: } 172: }
GNU Classpath (0.18) |