001 /* DynFixedHelper.java -- 002 Copyright (C) 2005, 2006 Free Software Foundation, Inc. 003 004 This file is part of GNU Classpath. 005 006 GNU Classpath is free software; you can redistribute it and/or modify 007 it under the terms of the GNU General Public License as published by 008 the Free Software Foundation; either version 2, or (at your option) 009 any later version. 010 011 GNU Classpath is distributed in the hope that it will be useful, but 012 WITHOUT ANY WARRANTY; without even the implied warranty of 013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 General Public License for more details. 015 016 You should have received a copy of the GNU General Public License 017 along with GNU Classpath; see the file COPYING. If not, write to the 018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 019 02110-1301 USA. 020 021 Linking this library statically or dynamically with other modules is 022 making a combined work based on this library. Thus, the terms and 023 conditions of the GNU General Public License cover the whole 024 combination. 025 026 As a special exception, the copyright holders of this library give you 027 permission to link this library with independent modules to produce an 028 executable, regardless of the license terms of these independent 029 modules, and to copy and distribute the resulting executable under 030 terms of your choice, provided that you also meet, for each linked 031 independent module, the terms and conditions of the license of that 032 module. An independent module is a module which is not derived from 033 or based on this library. If you modify this library, you may extend 034 this exception to your version of the library, but you are not 035 obligated to do so. If you do not wish to do so, delete this 036 exception statement from your version. */ 037 038 039 040 package org.omg.DynamicAny; 041 042 import gnu.CORBA.OrbRestricted; 043 044 import org.omg.CORBA.BAD_OPERATION; 045 import org.omg.CORBA.BAD_PARAM; 046 import org.omg.CORBA.TypeCode; 047 import org.omg.CORBA.Any; 048 import org.omg.CORBA.portable.InputStream; 049 import org.omg.CORBA.MARSHAL; 050 import org.omg.CORBA.portable.OutputStream; 051 052 /** 053 * The helper operations for {@link DynFixed}. Following the 1.5 JDK 054 * specifications, DynFixed is always a local object, so the two methods of this 055 * helper ({@link #read} and {@link #write} are not in use, always throwing 056 * {@link MARSHAL}. 057 * 058 * @specnote always throwing MARSHAL in read and write ensures compatibility 059 * with other popular implementations like Sun's. 060 * 061 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 062 */ 063 public abstract class DynFixedHelper 064 { 065 /** 066 * Cast the passed object into the DynFixed. As DynFixed is a local object, 067 * the method just uses java type cast. 068 * 069 * @param obj the object to narrow. 070 * @return narrowed instance. 071 * @throws BAD_PARAM if the passed object is not a DynFixed. 072 */ 073 public static DynFixed narrow(org.omg.CORBA.Object obj) 074 { 075 try 076 { 077 return (DynFixed) obj; 078 } 079 catch (ClassCastException cex) 080 { 081 throw new BAD_PARAM(obj.getClass().getName() + " is not a DynFixed"); 082 } 083 } 084 085 /** 086 * Narrow the given object to the DynFixed. For the objects that are 087 * always local, this operation does not differ from the ordinary 088 * {@link #narrow} (ClassCastException will be thrown if narrowing something 089 * different). See OMG issue 4158. 090 * 091 * @param obj the object to cast. 092 * 093 * @return the casted DynFixed. 094 * 095 * @since 1.5 096 */ 097 public static DynFixed unchecked_narrow(org.omg.CORBA.Object obj) 098 { 099 return narrow(obj); 100 } 101 102 /** 103 * Get the type code of the {@link DynFixed}. 104 */ 105 public static TypeCode type() 106 { 107 return OrbRestricted.Singleton.create_interface_tc(id(), "DynFixed"); 108 } 109 110 /** 111 * Insert the DynFixed into the given Any. 112 * 113 * @param any the Any to insert into. 114 * 115 * @param that the DynFixed to insert. 116 */ 117 public static void insert(Any any, DynFixed that) 118 { 119 any.insert_Object(that); 120 } 121 122 /** 123 * Extract the DynFixed from given Any. 124 * 125 * @throws BAD_OPERATION if the passed Any does not contain DynFixed. 126 */ 127 public static DynFixed extract(Any any) 128 { 129 return narrow(any.extract_Object()); 130 } 131 132 /** 133 * Get the DynFixed repository id. 134 * 135 * @return "IDL:omg.org/DynamicAny/DynFixed:1.0", always. 136 */ 137 public static String id() 138 { 139 return "IDL:omg.org/DynamicAny/DynFixed:1.0"; 140 } 141 142 /** 143 * This should read DynFixed from the CDR input stream, but (following the JDK 144 * 1.5 API) it does not. 145 * 146 * @param input a org.omg.CORBA.portable stream to read from. 147 * 148 * @specenote Sun throws the same exception. 149 * 150 * @throws MARSHAL always. 151 */ 152 public static DynFixed read(InputStream input) 153 { 154 throw new MARSHAL(DynAnyFactoryHelper.not_applicable(id())); 155 } 156 157 /** 158 * This should read DynFixed from the CDR input stream, but (following the JDK 159 * 1.5 API) it does not. 160 * 161 * @param output a org.omg.CORBA.portable stream to write into. 162 * 163 * @specenote Sun throws the same exception. 164 * 165 * @throws MARSHAL always. 166 */ 167 public static void write(OutputStream output, DynFixed value) 168 { 169 throw new MARSHAL(DynAnyFactoryHelper.not_applicable(id())); 170 } 171 }