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/* DynFixedHelper.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.

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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

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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 DynFixed}. Following the 1.5 JDK

 * specifications, DynFixed 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 DynFixedHelper

{

  /**

   * Cast the passed object into the DynFixed. As DynFixed 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 DynFixed.

   */

  public static DynFixed narrow(org.omg.CORBA.Object obj)

  {

    try

      {

        return (DynFixed) obj;

      }

    catch (ClassCastException cex)

      {

        throw new BAD_PARAM(obj.getClass().getName() + " is not a DynFixed");

      }

  }

  /**

   * Narrow the given object to the DynFixed. 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 DynFixed.

   *

   * @since 1.5

   */

  public static DynFixed unchecked_narrow(org.omg.CORBA.Object obj)

  {

    return narrow(obj);

  }

  /**

   * Get the type code of the {@link DynFixed}.

   */

  public static TypeCode type()

  {

    return OrbRestricted.Singleton.create_interface_tc(id(), "DynFixed");

  }

  /**

   * Insert the DynFixed into the given Any.

   *

   * @param any the Any to insert into.

   *

   * @param that the DynFixed to insert.

   */

  public static void insert(Any any, DynFixed that)

  {

    any.insert_Object(that);

  }

  /**

   * Extract the DynFixed from given Any.

   *

   * @throws BAD_OPERATION if the passed Any does not contain DynFixed.

   */

  public static DynFixed extract(Any any)

  {

    return narrow(any.extract_Object());

  }

  /**

   * Get the DynFixed repository id.

   *

   * @return "IDL:omg.org/DynamicAny/DynFixed:1.0", always.

   */

  public static String id()

  {

    return "IDL:omg.org/DynamicAny/DynFixed:1.0";

  }

  /**

   * This should read DynFixed 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 DynFixed read(InputStream input)

  {

    throw new MARSHAL(DynAnyFactoryHelper.not_applicable(id()));

  }

  /**

   * This should read DynFixed 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, DynFixed value)

  {

    throw new MARSHAL(DynAnyFactoryHelper.not_applicable(id()));

  }

}