/* ObjectIdHelper.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.

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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.PortableInterceptor.ORBInitInfoPackage;

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;

/**
 * The Object Id is defined in OMG specification just as a narrow (not wide)
 * string. As such, the Object Id needs no helper, but one is included in
 * the API anyway.
 *
 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
 */
public abstract class ObjectIdHelper
{
  /**
   * Insert the Object Id into Any (uses {@link Any#insert_string(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 Object Id 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 alias typecode.
   */
  public static TypeCode type()
  {
    ORB orb = OrbRestricted.Singleton;
    return orb.create_alias_tc(id(), "ObjectId", orb.create_string_tc(0));
  }

  /**
   * Return the Object Id repository id.
   * @return "IDL:omg.org/PortableInterceptor/ORBInitInfo/ObjectId:1.0", always.
   */
  public static String id()
  {
    return "IDL:omg.org/PortableInterceptor/ORBInitInfo/ObjectId:1.0";
  }

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

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