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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
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any later version.
 
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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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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
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permission to link this library with independent modules to produce an
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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()));
  }
}