/* VersionSpecHelper.java --
   Copyright (C) 2005 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
conditions of the GNU General Public License cover the whole
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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
modules, and to copy and distribute the resulting executable under
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this exception to your version of the library, but you are not
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package org.omg.CORBA;

import gnu.CORBA.OrbRestricted;

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

/**
 * A formal helper for the CORBA VersionSpec that is identical to the
 * narrow string.
 *
 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
 */
public abstract class VersionSpecHelper
{
  /**
   * Insert the VersionSpec into Any (uses {@link Any.insert_string}).
   *
   * @param a the Any to insert into.
   * @param that the string to insert.
   */
  public static void insert(Any a, String that)
  {
    a.insert_string(that);
  }

  /**
   * Extract the VersionSpec from Any ((uses {@link Any.extract_string}).
   *
   * @param a the Any to extract from.
   */
  public static String extract(Any a)
  {
    return a.extract_string();
  }

  /**
   * Return an string alias typecode, named "VersionSpec".
   */
  public static TypeCode type()
  {
    ORB orb = OrbRestricted.Singleton;
    return orb.create_alias_tc(id(), "VersionSpec", orb.create_string_tc(0));
  }

  /**
   * Return the VersionSpec repository id.
   * @return "IDL:omg.org/CORBA/VersionSpec:1.0", always.
   */
  public static String id()
  {
    return "IDL:omg.org/CORBA/VersionSpec:1.0";
  }

  /**
   * Calls {@link InputStream#read_string()}.
   *
   * @param istream the stream to read from.
   */
  public static String read(InputStream istream)
  {
    return istream.read_string();
  }

  /**
   * Calls {@link OutputStream#write_string()}.
   *
   * @param ostream the stream to write into.
   * @param value the string (VersionSpec) value to write.
   */
  public static void write(OutputStream ostream, String value)
  {
    ostream.write_string(value);
  }
}