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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/org/omg/DynamicAny/DynAnyHelper.java | |
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Diffstat (limited to 'libjava/classpath/org/omg/DynamicAny/DynAnyHelper.java')
-rw-r--r-- | libjava/classpath/org/omg/DynamicAny/DynAnyHelper.java | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/libjava/classpath/org/omg/DynamicAny/DynAnyHelper.java b/libjava/classpath/org/omg/DynamicAny/DynAnyHelper.java new file mode 100644 index 000000000..e376367ef --- /dev/null +++ b/libjava/classpath/org/omg/DynamicAny/DynAnyHelper.java @@ -0,0 +1,171 @@ +/* DynAnyHelper.java -- + Copyright (C) 2005, 2006 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.OrbRestricted; + +import org.omg.CORBA.BAD_OPERATION; +import org.omg.CORBA.BAD_PARAM; +import org.omg.CORBA.TypeCode; +import org.omg.CORBA.Any; +import org.omg.CORBA.portable.InputStream; +import org.omg.CORBA.MARSHAL; +import org.omg.CORBA.portable.OutputStream; + +/** + * The helper operations for {@link DynAny}. Following the 1.5 JDK + * specifications, DynAny 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 DynAnyHelper +{ + /** + * Cast the passed object into the DynAny. As DynAny is a local object, the + * method just uses java type cast. + * + * @param obj the object to narrow. + * @return narrowed instance. + * @throws BAD_PARAM if the passed object is not a DynAny. + */ + public static DynAny narrow(org.omg.CORBA.Object obj) + { + try + { + return (DynAny) obj; + } + catch (ClassCastException cex) + { + throw new BAD_PARAM(obj.getClass().getName() + " is not a DynAny"); + } + } + + /** + * Narrow the given object to the DynAny. For the objects that are + * always local, this operation does not differ from the ordinary + * {@link #narrow} (ClassCastException will be thrown if narrowing something + * different). See also OMG issue 4158. + * + * @param obj the object to cast. + * + * @return the casted DynAny. + * + * @since 1.5 + */ + public static DynAny unchecked_narrow(org.omg.CORBA.Object obj) + { + return narrow(obj); + } + + /** + * Get the type code of the {@link DynAny}. + */ + public static TypeCode type() + { + return OrbRestricted.Singleton.create_interface_tc(id(), "DynAny"); + } + + /** + * Insert the DynAny into the given Any. + * + * @param any the Any to insert into. + * + * @param that the DynAny to insert. + */ + public static void insert(Any any, DynAny that) + { + any.insert_Object(that); + } + + /** + * Extract the DynAny from given Any. + * + * @throws BAD_OPERATION if the passed Any does not contain DynAny. + */ + public static DynAny extract(Any any) + { + return narrow(any.extract_Object()); + } + + /** + * Get the DynAny repository id. + * + * @return "IDL:omg.org/DynamicAny/DynAny:1.0", always. + */ + public static String id() + { + return "IDL:omg.org/DynamicAny/DynAny:1.0"; + } + + /** + * This should read DynAny 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())); + } + + /** + * This should read DynAny from the CDR input stream, but (following the JDK + * 1.5 API) it does not. + * + * @param output a org.omg.CORBA.portable stream to write into. + * + * @specenote Sun throws the same exception. + * + * @throws MARSHAL always. + */ + public static void write(OutputStream output, DynAny value) + { + throw new MARSHAL(DynAnyFactoryHelper.not_applicable(id())); + } +} |