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/* DynSequenceHelper.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 DynSequence}. Following the 1.5 JDK
* specifications, DynSequence 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 DynSequenceHelper
{
/**
* Cast the passed object into the DynSequence. As DynSequence 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 DynSequence.
*/
public static DynSequence narrow(org.omg.CORBA.Object obj)
{
try
{
return (DynSequence) obj;
}
catch (ClassCastException cex)
{
throw new BAD_PARAM(obj.getClass().getName() + " is not a DynSequence");
}
}
/**
* Narrow the given object to the DynSequence. 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 OMG issue 4158.
*
* @param obj the object to cast.
*
* @return the casted DynSequence.
*
* @since 1.5
*/
public static DynSequence unchecked_narrow(org.omg.CORBA.Object obj)
{
return narrow(obj);
}
/**
* Get the type code of the {@link DynSequence}.
*/
public static TypeCode type()
{
return OrbRestricted.Singleton.create_interface_tc(id(), "DynSequence");
}
/**
* Insert the DynSequence into the given Any.
*
* @param any the Any to insert into.
*
* @param that the DynSequence to insert.
*/
public static void insert(Any any, DynSequence that)
{
any.insert_Object(that);
}
/**
* Extract the DynSequence from given Any.
*
* @throws BAD_OPERATION if the passed Any does not contain DynSequence.
*/
public static DynSequence extract(Any any)
{
return narrow(any.extract_Object());
}
/**
* Get the DynSequence repository id.
*
* @return "IDL:omg.org/DynamicAny/DynSequence:1.0", always.
*/
public static String id()
{
return "IDL:omg.org/DynamicAny/DynSequence:1.0";
}
/**
* This should read DynSequence 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 DynSequence read(InputStream input)
{
throw new MARSHAL(DynAnyFactoryHelper.not_applicable(id()));
}
/**
* This should read DynSequence 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, DynSequence value)
{
throw new MARSHAL(DynAnyFactoryHelper.not_applicable(id()));
}
}
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