/* NameComponentHelper.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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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
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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
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package org.omg.CosNaming;

import gnu.CORBA.Minor;
import gnu.CORBA.OrbRestricted;

import org.omg.CORBA.Any;
import org.omg.CORBA.BAD_OPERATION;
import org.omg.CORBA.ORB;
import org.omg.CORBA.StructMember;
import org.omg.CORBA.TypeCode;
import org.omg.CORBA.portable.InputStream;
import org.omg.CORBA.portable.OutputStream;

/**
 * A helper classes for the name component.
 *
 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
 */
public abstract class NameComponentHelper
{
  /**
   * A {@link NameComponent} repository id.
   */
  private static String _id = "IDL:omg.org/CosNaming/NameComponent:1.0";

  /**
   * Extract the name component from this {@link Any}
   */
  public static NameComponent extract(Any a)
  {
    try
      {
        return ((NameComponentHolder) a.extract_Streamable()).value;
      }
    catch (ClassCastException ex)
      {
        BAD_OPERATION bad = new BAD_OPERATION("Name component expected");
        bad.initCause(ex);
        bad.minor = Minor.Any;
        throw bad;
      }
  }

  /**
   * Get the repository Id of the {@link NameComponent}.
   * @return "IDL:omg.org/CosNaming/NameComponent:1.0"
   */
  public static String id()
  {
    return _id;
  }

  /**
   * Insert the name compnent into the given {@link Any}.
   */
  public static void insert(Any a, NameComponent that)
  {
    a.insert_Streamable(new NameComponentHolder(that));
  }

  /**
   * Read the name component from the given CDR input stream.
   */
  public static NameComponent read(InputStream istream)
  {
    NameComponent value = new NameComponent();
    value.id = istream.read_string();
    value.kind = istream.read_string();
    return value;
  }

  /**
   * Get the type code of the named component.
   */
  public static TypeCode type()
  {
    ORB orb = OrbRestricted.Singleton;

    StructMember[] members = new StructMember[ 2 ];
    TypeCode member;
    member = orb.create_string_tc(0);
    members [ 0 ] = new StructMember("id", member, null);
    member = orb.create_string_tc(0);
    members [ 1 ] = new StructMember("kind", member, null);
    return
    orb.create_struct_tc(NameComponentHelper.id(), "NameComponent",
                         members
    );
  }

  /**
   * Write the named component into the CDR output stream.
   */
  public static void write(OutputStream ostream, NameComponent value)
  {
    ostream.write_string(value.id);
    ostream.write_string(value.kind);
  }
}