Package com.aelitis.azureus.core.util

Source Code of com.aelitis.azureus.core.util.NetUtils

/*
* Created on 1 Nov 2006
* Created by Paul Gardner
* Copyright (C) 2006 Aelitis, All Rights Reserved.
*
* This program 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
* of the License, or (at your option) any later version.
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*
* AELITIS, SAS au capital de 63.529,40 euros
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*
*/


package com.aelitis.azureus.core.util;

import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.UnknownHostException;
import java.util.Enumeration;

public class
NetUtils
{
  public static InetAddress
  getLocalHost()
 
    throws UnknownHostException
  {
    try{
      return( InetAddress.getLocalHost());
     
    }catch( Throwable e ){
     
        // sometimes get this when changing host name
        // return first non-loopback one
     
      try{
        Enumeration   nis = NetworkInterface.getNetworkInterfaces();

        while( nis.hasMoreElements()){
         
          NetworkInterface   ni = (NetworkInterface)nis.nextElement();
           
          Enumeration addresses = ni.getInetAddresses();
         
          while( addresses.hasMoreElements()){
           
            InetAddress address = (InetAddress)addresses.nextElement();
           
            if ( address.isLoopbackAddress() || address instanceof Inet6Address ){
             
              continue;
            }
           
            return( address );
          }
        }
      }catch( Throwable f ){
      }
     
      return( InetAddress.getByName( "127.0.0.1" ));
    }
  }
}
TOP

Related Classes of com.aelitis.azureus.core.util.NetUtils

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.