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Diffstat (limited to 'org/omg/PortableServer/POAHelper.java')
-rw-r--r-- | org/omg/PortableServer/POAHelper.java | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/org/omg/PortableServer/POAHelper.java b/org/omg/PortableServer/POAHelper.java new file mode 100644 index 000000000..2928d9f07 --- /dev/null +++ b/org/omg/PortableServer/POAHelper.java @@ -0,0 +1,147 @@ +/* POAHelper.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.PortableServer; + +import org.omg.CORBA.BAD_PARAM; +import org.omg.CORBA.TypeCode; +import org.omg.CORBA.ORB; +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 the CORBA object {@link POA}. + * + * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) + */ +public abstract class POAHelper +{ + /** + * Cast the passed object into the POA. As POA 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 POA. + */ + public static POA narrow(org.omg.CORBA.Object obj) + { + try + { + return (POA) obj; + } + catch (ClassCastException cex) + { + throw new BAD_PARAM(obj.getClass().getName() + " is not a POA"); + } + } + + /** + * Get the type code of the {@link POA}. + */ + public static TypeCode type() + { + return ORB.init().create_interface_tc(id(), "POA"); + } + + /** + * Insert the POA into the given Any. + * + * @param any the Any to insert into. + * + * @param that the POA to insert. + */ + public static void insert(Any any, POA that) + { + any.insert_Object(that); + } + + /** + * Extract the POA from given Any. + * + * @throws BAD_OPERATION if the passed Any does not contain POA. + */ + public static POA extract(Any any) + { + return narrow(any.extract_Object()); + } + + /** + * Get the POA repository id. + * + * @return "IDL:omg.org/PortableServer/POA:2.3", always. + */ + public static String id() + { + return "IDL:omg.org/PortableServer/POA:2.3"; + } + + /** + * This should read POA from the CDR input stream, but, following the specs, + * it doesnot. The jdk 1.5 API specification defines that POA cannot be + * exported. + * + * @param input a org.omg.CORBA.portable stream to read from. + * + * @specenote Sun throws the same exception. + * + * @throws MARSHAL, always. + */ + public static POA read(InputStream input) + { + throw new MARSHAL("Not applicable"); + } + + /** + * This should read POA from the CDR input stream, but, following the specs, + * it doesnot. The jdk 1.5 API specification defines that POA cannot be + * exported. + * + * @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, POA value) + { + throw new MARSHAL("Not applicable"); + } +}
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