/* AddressHelper.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.

You should have received a copy of the GNU General Public License
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
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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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package org.omg.CosNaming.NamingContextExtPackage;

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;
import org.omg.CORBA.portable.Streamable;

/**
 * Helper operations for address. Address is directly mapped into
 * java String. There is no separate Address class in the implementation.
 *
 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
 */
public abstract class AddressHelper
{
  /**
   * The address repository id.
   */
  private static String _id =
    "IDL:omg.org/CosNaming/NamingContextExt/Address:1.0";

  /**
   * The cached type code (string alias).
   */
  private static TypeCode typeCode = null;

  /**
   * Just extracts string from this {@link Any}.
   */
  public static String extract(Any a)
  {
    return a.extract_string();
  }

  /**
   * Get repository id.
   */
  public static String id()
  {
    return _id;
  }

  /**
   * Just inserts string into this {@link Any}.
   */
  public static void insert(Any a, String that)
  {
    a.insert_string(that);
  }

  /**
   * Delegates functionality to {@link InputStream#read_string()}.
   */
  public static String read(InputStream istream)
  {
    return istream.read_string();
  }

  /**
   * Return the "Address", alias of String, typecode.
   */
  public static synchronized TypeCode type()
  {
    if (typeCode == null)
      {
        typeCode = ORB.init().create_string_tc(0);
        typeCode = ORB.init().create_alias_tc(id(), "Address", typeCode);
      }
    return typeCode;
  }

  /**
   * Delegates functionality to {@link OutputStream#write_string}.
   */
  public static void write(OutputStream ostream, String value)
  {
    ostream.write_string(value);
  }
}
