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Diffstat (limited to 'libjava/classpath/org/omg/DynamicAny/DynAnySeqHelper.java')
| -rw-r--r-- | libjava/classpath/org/omg/DynamicAny/DynAnySeqHelper.java | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/libjava/classpath/org/omg/DynamicAny/DynAnySeqHelper.java b/libjava/classpath/org/omg/DynamicAny/DynAnySeqHelper.java new file mode 100644 index 00000000000..87e34452319 --- /dev/null +++ b/libjava/classpath/org/omg/DynamicAny/DynAnySeqHelper.java @@ -0,0 +1,152 @@ +/* DynAnySeq.java -- + Copyright (C) 2005 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package org.omg.DynamicAny; + +import gnu.CORBA.DynAnySeqHolder; + +import org.omg.CORBA.Any; +import org.omg.CORBA.BAD_OPERATION; +import org.omg.CORBA.MARSHAL; +import org.omg.CORBA.ORB; +import org.omg.CORBA.TypeCode; +import org.omg.CORBA.portable.InputStream; +import org.omg.CORBA.portable.OutputStream; + +/** + * A helper operations for the array of {@link DynAny} ({@link DynAnySeq}). + * Following the 1.5 JDK specifications, DynAny (and hence an sequence of + * DynAny's) is always a local object, so the two methods of this helper + * ({@link #read} and {@link #write} are not in use, always throwing + * {@link MARSHAL}. + * + * @specnote always throwing MARSHAL in read and write ensures compatibility + * with other popular implementations like Sun's. + * + * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) + */ +public abstract class DynAnySeqHelper +{ + /** + * The cached typecode value, computed only once. + */ + private static TypeCode typeCode; + + public static TypeCode type() + { + if (typeCode == null) + { + ORB orb = ORB.init(); + TypeCode t = orb.create_sequence_tc(0, DynAnyHelper.type()); + typeCode = orb.create_alias_tc(id(), "DynAnySeq", t); + } + return typeCode; + } + + /** + * Insert the DynAnySeq into the given Any. + * This method uses the DynAnySeqHolder. + * + * @param any the Any to insert into. + * @param those the DynAny[] to insert. + */ + public static void insert(Any any, DynAny[] those) + { + any.insert_Streamable(new DynAnySeqHolder(those)); + } + + /** + * Extract the DynAnySeq from given Any. + * This method uses the DynAnySeqHolder. + * + * @throws BAD_OPERATION if the passed Any does not contain DynAnySeq. + */ + public static DynAny[] extract(Any any) + { + try + { + return ((DynAnySeqHolder) any.extract_Streamable()).value; + } + catch (ClassCastException cex) + { + BAD_OPERATION bad = new BAD_OPERATION("DynAnySeq expected"); + bad.initCause(cex); + throw bad; + } + } + + /** + * Get the DynAnySeq repository id. + * + * @return "IDL:omg.org/DynamicAny/DynAnySeq:1.0", always. + */ + public static String id() + { + return "IDL:omg.org/DynamicAny/DynAnySeq:1.0"; + } + + /** + * The method should read this object from the CDR input stream, but + * (following the JDK 1.5 API) it does not. + * + * @param input a org.omg.CORBA.portable stream to read from. + * + * @specenote Sun throws the same exception. + * + * @throws MARSHAL always. + */ + public static DynAny[] read(InputStream input) + { + throw new MARSHAL(DynAnyFactoryHelper.not_applicable(id())); + } + + /** + * The method should write this object to the CDR input stream, but + * (following the JDK 1.5 API) it does not. + * + * @param input a org.omg.CORBA.portable stream to read from. + * + * @specenote Sun throws the same exception. + * + * @throws MARSHAL always. + */ + public static void write(OutputStream output, DynAny[] value) + { + throw new MARSHAL(DynAnyFactoryHelper.not_applicable(id())); + } +}
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