Java Network Interface Get getKey()

Description

get Key

License

Open Source License

Declaration

private static byte[] getKey() throws SocketException 

Method Source Code

//package com.java2s;
/**/*from   w ww  .  j  a  v a  2  s . co  m*/
 * 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 3
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

import java.net.NetworkInterface;
import java.net.SocketException;

import java.util.Arrays;
import java.util.Enumeration;

public class Main {
    private static byte[] getKey() throws SocketException {
        Enumeration<NetworkInterface> ni = java.net.NetworkInterface.getNetworkInterfaces();
        if (ni.hasMoreElements()) {
            byte[] mac = ni.nextElement().getHardwareAddress();
            if (mac != null) {
                return Arrays.copyOf(mac, 8);
            } else {
                return "aGorRiaA".getBytes();
            }
        } else {
            return "aGorRiaA".getBytes();
        }
    }
}

Related

1. getInterfaces()
2. getInterfaces()
3. getInterfaces()
4. getInterfaces()
5. getInterfaces(final String interfaceName)
6. getLinkLocalScopeId()
7. getLocalInterfaces()
8. getLocalMac()
9. getLocalNetworkInterface()