1 /* DynAnyFactoryHelper.java --
2 Copyright (C) 2005 Free Software Foundation, Inc.
4 This file is part of GNU Classpath.
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)
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.
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
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
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. */
40 package org
.omg
.DynamicAny
;
42 import gnu
.CORBA
.Minor
;
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
;
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}.
58 * @specnote always throwing MARSHAL in read and write ensures compatibility
59 * with other popular implementations like Sun's.
61 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
63 public abstract class DynAnyFactoryHelper
66 * Cast the passed object into the DynAnyFactory. As DynAnyFactory is a local
67 * object, the method just uses java final_type cast.
69 * @param obj the object to narrow.
70 * @return narrowed instance.
71 * @throws BAD_PARAM if the passed object is not a DynAnyFactory.
73 public static DynAnyFactory
narrow(org
.omg
.CORBA
.Object obj
)
77 return (DynAnyFactory
) obj
;
79 catch (ClassCastException cex
)
81 throw new BAD_PARAM(obj
.getClass().getName()
82 + " is not a DynAnyFactory");
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
92 * @param obj the object to cast.
94 * @return the casted DynAnyFactory.
98 * @see OMG issue 4158.
100 public static DynAnyFactory
unchecked_narrow(org
.omg
.CORBA
.Object obj
)
106 * Get the final_type code of the {@link DynAnyFactory}.
108 public static TypeCode
type()
110 return ORB
.init().create_interface_tc(id(), "DynAnyFactory");
114 * Insert the DynAnyFactory into the given Any.
116 * @param any the Any to insert into.
118 * @param that the DynAnyFactory to insert.
120 public static void insert(Any any
, DynAnyFactory that
)
122 any
.insert_Object(that
);
126 * Extract the DynAnyFactory from given Any.
128 * @throws BAD_OPERATION if the passed Any does not contain DynAnyFactory.
130 public static DynAnyFactory
extract(Any any
)
132 return narrow(any
.extract_Object());
136 * Get the DynAnyFactory repository id.
138 * @return "IDL:omg.org/DynamicAny/DynAnyFactory:1.0", always.
140 public static String
id()
142 return "IDL:omg.org/DynamicAny/DynAnyFactory:1.0";
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
150 * @param input a org.omg.CORBA.portable stream to read from.
152 * @specenote Sun throws the same exception.
154 * @throws MARSHAL always.
156 public static DynAnyFactory
read(InputStream input
)
158 throw new MARSHAL(not_applicable(id()));
162 * This should read DynAnyFactory from the CDR input stream, but (following
163 * the JDK 1.5 API) it does not.
165 * @param input a org.omg.CORBA.portable stream to read from.
167 * @specenote Sun throws the same exception.
169 * @throws MARSHAL always.
171 public static void write(OutputStream output
, DynAnyFactory value
)
173 throw new MARSHAL(not_applicable(id()));
177 * The package level method for throwing exception, explaining that the
178 * operation is not applicable.
180 * @param Id the Id for the typecode for that the operations was attempted to
183 static String
not_applicable(String Id
)
185 MARSHAL m
= new MARSHAL("The read/write are not applicable for " + Id
);
186 m
.minor
= Minor
.Inappropriate
;