001 /* DynAnySeq.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 package org.omg.DynamicAny;
040
041 import gnu.CORBA.DynAnySeqHolder;
042 import gnu.CORBA.Minor;
043 import gnu.CORBA.OrbRestricted;
044
045 import org.omg.CORBA.Any;
046 import org.omg.CORBA.BAD_OPERATION;
047 import org.omg.CORBA.MARSHAL;
048 import org.omg.CORBA.ORB;
049 import org.omg.CORBA.TypeCode;
050 import org.omg.CORBA.portable.InputStream;
051 import org.omg.CORBA.portable.OutputStream;
052
053 /**
054 * A helper operations for the array of {@link DynAny} (DynAny[]).
055 * Following the 1.5 JDK specifications, DynAny (and hence an sequence of
056 * DynAny's) is always a local object, so the two methods of this helper
057 * ({@link #read} and {@link #write} are not in use, always throwing
058 * {@link MARSHAL}.
059 *
060 * @specnote always throwing MARSHAL in read and write ensures compatibility
061 * with other popular implementations like Sun's.
062 *
063 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
064 */
065 public abstract class DynAnySeqHelper
066 {
067 public static TypeCode type()
068 {
069 ORB orb = OrbRestricted.Singleton;
070 TypeCode t = orb.create_sequence_tc(0, DynAnyHelper.type());
071 return orb.create_alias_tc(id(), "DynAnySeq", t);
072 }
073
074 /**
075 * Insert the DynAnySeq into the given Any.
076 * This method uses the DynAnySeqHolder.
077 *
078 * @param any the Any to insert into.
079 * @param those the DynAny[] to insert.
080 */
081 public static void insert(Any any, DynAny[] those)
082 {
083 any.insert_Streamable(new DynAnySeqHolder(those));
084 }
085
086 /**
087 * Extract the DynAnySeq from given Any.
088 * This method uses the DynAnySeqHolder.
089 *
090 * @throws BAD_OPERATION if the passed Any does not contain DynAnySeq.
091 */
092 public static DynAny[] extract(Any any)
093 {
094 try
095 {
096 return ((DynAnySeqHolder) any.extract_Streamable()).value;
097 }
098 catch (ClassCastException cex)
099 {
100 BAD_OPERATION bad = new BAD_OPERATION("DynAnySeq expected");
101 bad.initCause(cex);
102 bad.minor = Minor.Any;
103 throw bad;
104 }
105 }
106
107 /**
108 * Get the DynAnySeq repository id.
109 *
110 * @return "IDL:omg.org/DynamicAny/DynAnySeq:1.0", always.
111 */
112 public static String id()
113 {
114 return "IDL:omg.org/DynamicAny/DynAnySeq:1.0";
115 }
116
117 /**
118 * The method should read this object from the CDR input stream, but
119 * (following the JDK 1.5 API) it does not.
120 *
121 * @param input a org.omg.CORBA.portable stream to read from.
122 *
123 * @specenote Sun throws the same exception.
124 *
125 * @throws MARSHAL always.
126 */
127 public static DynAny[] read(InputStream input)
128 {
129 throw new MARSHAL(DynAnyFactoryHelper.not_applicable(id()));
130 }
131
132 /**
133 * The method should write this object to the CDR input stream, but
134 * (following the JDK 1.5 API) it does not.
135 *
136 * @param output a org.omg.CORBA.portable stream to write into.
137 *
138 * @specenote Sun throws the same exception.
139 *
140 * @throws MARSHAL always.
141 */
142 public static void write(OutputStream output, DynAny[] value)
143 {
144 throw new MARSHAL(DynAnyFactoryHelper.not_applicable(id()));
145 }
146 }