/*
** Rachel  - Resource Loading Toolkit for Web Start/JNLP
** Copyright (c) 2001, 2002 by Gerald Bauer
**
** This program is free software.
**
** You may redistribute it and/or modify it under the terms of the GNU
** General Public License as published by the Free Software Foundation.
** Version 2 of the license should be included with this distribution in
** the file LICENSE, as well as License.html. If the license is not
** included with this distribution, you may find a copy at the FSF web
** site at 'www.gnu.org' or 'www.fsf.org', or you may write to the
** Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139 USA.
**
** THIS SOFTWARE IS PROVIDED AS-IS WITHOUT WARRANTY OF ANY KIND,
** NOT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY. THE AUTHOR
** OF THIS SOFTWARE, ASSUMES _NO_ RESPONSIBILITY FOR ANY
** CONSEQUENCE RESULTING FROM THE USE, MODIFICATION, OR
** REDISTRIBUTION OF THIS SOFTWARE.
**
*/

package rachel.util;

import java.net.*;
import houston.*;

public class NetUtils
{
   /**
    *  cache local host name
    */
   private static String _localHostName = null;

   public static String getLocalHostName()
   {
      if( _localHostName == null )
      {
         try
         {
            _localHostName = InetAddress.getLocalHost().getHostName();
         }
         catch( UnknownHostException e )
         {
            Status.error( "*** failed to get local host name: " + e.toString() );
            // use loopback host address if all else fails
            _localHostName = "127.0.0.1";
         }
      }

      return _localHostName;
   }
}