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 gnu.CORBA.Minor; 43 44 import org.omg.CORBA.BAD_PARAM; 45 import org.omg.CORBA.TypeCode; 46 import org.omg.CORBA.ORB; 47 import org.omg.CORBA.Any; 48 import org.omg.CORBA.portable.InputStream; 49 import org.omg.CORBA.MARSHAL; 50 import org.omg.CORBA.portable.OutputStream; 51 52 /** 53 * The helper operations for {@link DynAnyFactory}. Following the 1.5 JDK 54 * specifications, DynAnyFactory is always a local object, so the two methods of 55 * this helper ({@link #read} and {@link #write} are not in use, always 56 * throwing {@link MARSHAL}. 57 * 58 * @specnote always throwing MARSHAL in read and write ensures compatibility 59 * with other popular implementations like Sun's. 60 * 61 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 62 */ 63 public abstract class DynAnyFactoryHelper 64 { 65 /** 66 * Cast the passed object into the DynAnyFactory. As DynAnyFactory is a local 67 * object, the method just uses java final_type cast. 68 * 69 * @param obj the object to narrow. 70 * @return narrowed instance. 71 * @throws BAD_PARAM if the passed object is not a DynAnyFactory. 72 */ narrow(org.omg.CORBA.Object obj)73 public static DynAnyFactory narrow(org.omg.CORBA.Object obj) 74 { 75 try 76 { 77 return (DynAnyFactory) obj; 78 } 79 catch (ClassCastException cex) 80 { 81 throw new BAD_PARAM(obj.getClass().getName() 82 + " is not a DynAnyFactory"); 83 } 84 } 85 86 /** 87 * Narrow the given object to the DynAnyFactory. For the objects that are 88 * always local, this operation does not differ from the ordinary 89 * {@link #narrow} (ClassCastException will be thrown if narrowing something 90 * different). 91 * 92 * @param obj the object to cast. 93 * 94 * @return the casted DynAnyFactory. 95 * 96 * @since 1.5 97 * 98 * @see OMG issue 4158. 99 */ unchecked_narrow(org.omg.CORBA.Object obj)100 public static DynAnyFactory unchecked_narrow(org.omg.CORBA.Object obj) 101 { 102 return narrow(obj); 103 } 104 105 /** 106 * Get the final_type code of the {@link DynAnyFactory}. 107 */ type()108 public static TypeCode type() 109 { 110 return ORB.init().create_interface_tc(id(), "DynAnyFactory"); 111 } 112 113 /** 114 * Insert the DynAnyFactory into the given Any. 115 * 116 * @param any the Any to insert into. 117 * 118 * @param that the DynAnyFactory to insert. 119 */ insert(Any any, DynAnyFactory that)120 public static void insert(Any any, DynAnyFactory that) 121 { 122 any.insert_Object(that); 123 } 124 125 /** 126 * Extract the DynAnyFactory from given Any. 127 * 128 * @throws BAD_OPERATION if the passed Any does not contain DynAnyFactory. 129 */ extract(Any any)130 public static DynAnyFactory extract(Any any) 131 { 132 return narrow(any.extract_Object()); 133 } 134 135 /** 136 * Get the DynAnyFactory repository id. 137 * 138 * @return "IDL:omg.org/DynamicAny/DynAnyFactory:1.0", always. 139 */ id()140 public static String id() 141 { 142 return "IDL:omg.org/DynamicAny/DynAnyFactory:1.0"; 143 } 144 145 /** 146 * This should read DynAnyFactory from the CDR input stream, but (following 147 * the JDK 1.5 API) it does not. The factory can only be obtained from the 148 * ORB. 149 * 150 * @param input a org.omg.CORBA.portable stream to read from. 151 * 152 * @specenote Sun throws the same exception. 153 * 154 * @throws MARSHAL always. 155 */ read(InputStream input)156 public static DynAnyFactory read(InputStream input) 157 { 158 throw new MARSHAL(not_applicable(id())); 159 } 160 161 /** 162 * This should read DynAnyFactory from the CDR input stream, but (following 163 * the JDK 1.5 API) it does not. 164 * 165 * @param input a org.omg.CORBA.portable stream to read from. 166 * 167 * @specenote Sun throws the same exception. 168 * 169 * @throws MARSHAL always. 170 */ write(OutputStream output, DynAnyFactory value)171 public static void write(OutputStream output, DynAnyFactory value) 172 { 173 throw new MARSHAL(not_applicable(id())); 174 } 175 176 /** 177 * The package level method for throwing exception, explaining that the 178 * operation is not applicable. 179 * 180 * @param Id the Id for the typecode for that the operations was attempted to 181 * perform. 182 */ not_applicable(String Id)183 static String not_applicable(String Id) 184 { 185 MARSHAL m = new MARSHAL("The read/write are not applicable for " + Id); 186 m.minor = Minor.Inappropriate; 187 throw m; 188 } 189 }