1 /* DynArrayHelper.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. */
39 package org
.omg
.DynamicAny
;
41 import org
.omg
.CORBA
.BAD_PARAM
;
42 import org
.omg
.CORBA
.TypeCode
;
43 import org
.omg
.CORBA
.ORB
;
44 import org
.omg
.CORBA
.Any
;
45 import org
.omg
.CORBA
.portable
.InputStream
;
46 import org
.omg
.CORBA
.MARSHAL
;
47 import org
.omg
.CORBA
.portable
.OutputStream
;
50 * The helper operations for {@link DynArray}. Following the 1.5 JDK
51 * specifications, DynArray is always a local object, so the two methods of this
52 * helper ({@link #read} and {@link #write} are not in use, always throwing
55 * @specnote always throwing MARSHAL in read and write ensures compatibility
56 * with other popular implementations like Sun's.
58 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
60 public abstract class DynArrayHelper
63 * Cast the passed object into the DynArray. As DynArray is a local object,
64 * the method just uses java type cast.
66 * @param obj the object to narrow.
67 * @return narrowed instance.
68 * @throws BAD_PARAM if the passed object is not a DynArray.
70 public static DynArray
narrow(org
.omg
.CORBA
.Object obj
)
74 return (DynArray
) obj
;
76 catch (ClassCastException cex
)
78 throw new BAD_PARAM(obj
.getClass().getName() + " is not a DynArray");
83 * Narrow the given object to the DynArray. For the objects that are
84 * always local, this operation does not differ from the ordinary
85 * {@link #narrow} (ClassCastException will be thrown if narrowing something
88 * @param obj the object to cast.
90 * @return the casted DynArray.
94 * @see OMG issue 4158.
96 public static DynArray
unchecked_narrow(org
.omg
.CORBA
.Object obj
)
102 * Get the type code of the {@link DynArray}.
104 public static TypeCode
type()
106 return ORB
.init().create_interface_tc(id(), "DynArray");
110 * Insert the DynArray into the given Any.
112 * @param any the Any to insert into.
114 * @param that the DynArray to insert.
116 public static void insert(Any any
, DynArray that
)
118 any
.insert_Object(that
);
122 * Extract the DynArray from given Any.
124 * @throws BAD_OPERATION if the passed Any does not contain DynArray.
126 public static DynArray
extract(Any any
)
128 return narrow(any
.extract_Object());
132 * Get the DynArray repository id.
134 * @return "IDL:omg.org/DynamicAny/DynArray:1.0", always.
136 public static String
id()
138 return "IDL:omg.org/DynamicAny/DynArray:1.0";
142 * This should read DynArray from the CDR input stream, but (following the JDK
143 * 1.5 API) it does not.
145 * @param input a org.omg.CORBA.portable stream to read from.
147 * @specenote Sun throws the same exception.
149 * @throws MARSHAL always.
151 public static DynArray
read(InputStream input
)
153 throw new MARSHAL(DynAnyFactoryHelper
.not_applicable(id()));
157 * This should read DynArray from the CDR input stream, but (following the JDK
158 * 1.5 API) it does not.
160 * @param input a org.omg.CORBA.portable stream to read from.
162 * @specenote Sun throws the same exception.
164 * @throws MARSHAL always.
166 public static void write(OutputStream output
, DynArray value
)
168 throw new MARSHAL(DynAnyFactoryHelper
.not_applicable(id()));