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jlechner |
/* ForwardRequestHelper.java --
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Copyright (C) 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.CORBA;
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import gnu.CORBA.Poa.ForwardRequestHolder;
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import org.omg.CORBA.Any;
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import org.omg.CORBA.BAD_OPERATION;
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import org.omg.CORBA.ORB;
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import org.omg.CORBA.ObjectHelper;
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import org.omg.CORBA.StructMember;
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import org.omg.CORBA.TypeCode;
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import org.omg.CORBA.portable.InputStream;
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import org.omg.CORBA.portable.OutputStream;
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import org.omg.PortableServer.ForwardRequest;
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/**
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* The helper operations for the exception {@link ForwardRequest}.
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*
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* @specnote The helper must be here and not in POA subpackage as it must
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* be discovered by the {@link ObjectCreator} when reading this remote
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* exception.
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*
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* @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
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*/
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public abstract class ForwardRequestHelper
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{
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/**
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* The cached typecode value, computed only once.
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*/
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private static TypeCode typeCode;
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/**
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* Extract the ForwardRequest from given Any.
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* This method uses the ForwardRequestHolder.
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*
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* @throws BAD_OPERATION if the passed Any does not contain ForwardRequest.
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*/
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public static ForwardRequest extract(Any any)
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{
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try
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{
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return ((ForwardRequestHolder) any.extract_Streamable()).value;
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}
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catch (ClassCastException cex)
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{
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BAD_OPERATION bad = new BAD_OPERATION("ForwardRequest expected");
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bad.minor = Minor.Any;
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bad.initCause(cex);
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throw bad;
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}
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}
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/**
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* Get the ForwardRequest repository id.
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*
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* @return "ForwardRequest", always.
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*/
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public static String id()
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{
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return "ForwardRequest";
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}
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/**
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* Insert the ForwardRequest into the given Any.
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* This method uses the ForwardRequestHolder.
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*
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* @param any the Any to insert into.
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* @param that the ForwardRequest to insert.
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*/
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public static void insert(Any any, ForwardRequest that)
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{
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any.insert_Streamable(new ForwardRequestHolder(that));
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}
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/**
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* Read the exception from the CDR intput stream.
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*
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* @param input a org.omg.CORBA.portable stream to read from.
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*/
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public static ForwardRequest read(InputStream input)
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{
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// Read the exception repository id.
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String id = input.read_string();
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ForwardRequest value = new ForwardRequest();
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value.forward_reference = input.read_Object();
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return value;
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}
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/**
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* Create the ForwardRequest typecode (structure,
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* named "ForwardRequest").
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* The typecode states that the structure contains the
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* following fields: forward_reference.
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*/
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public static TypeCode type()
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{
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if (typeCode == null)
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{
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ORB orb = ORB.init();
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StructMember[] members = new StructMember[ 1 ];
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TypeCode field;
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field = ObjectHelper.type();
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members [ 0 ] = new StructMember("forward_reference", field, null);
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typeCode = orb.create_exception_tc(id(), "ForwardRequest", members);
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}
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return typeCode;
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}
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/**
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* Write the exception to the CDR output stream.
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*
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* @param output a org.omg.CORBA.portable stream stream to write into.
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* @param value a value to write.
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*/
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public static void write(OutputStream output, ForwardRequest value)
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{
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// Write the exception repository id.
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output.write_string(id());
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output.write_Object(value.forward_reference);
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}
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}
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