Java Local Host Get getLocalHost()

Description

get Local Host

License

Open Source License

Declaration

public static InetAddress getLocalHost()

            throws UnknownHostException 

Method Source Code

//package com.java2s;
/*/*from  ww w  . j a v a  2  s .  c  o  m*/
 * 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.
 *
 */

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

public class Main {
    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"));
        }
    }
}

Related

1. getLocalhost()
2. getLocalHost()
3. getLocalHost()
4. getLocalHost()
5. getLocalHost()
6. getLocalHost()
7. getLocalHost()
8. getLocalHost()
9. getLocalHost()