Java Mac Address Get getMacAddress()

Description

Grabs the mac address of computer and makes it 10 times longer

License

Minecraft Mod Public

Return

a byte array containing mac address

Declaration

public static byte[] getMacAddress() 

Method Source Code

//package com.java2s;

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

import java.util.Enumeration;

public class Main {
    private static byte[] cachedMacAddress;

    /**//from   w  w w  .  j  av a2 s.  c o  m
     * Grabs the mac address of computer and makes it 10 times longer
     *
     * @return a byte array containing mac address
     */
    public static byte[] getMacAddress() {
        if (cachedMacAddress != null && cachedMacAddress.length >= 10) {
            return cachedMacAddress;
        }
        try {
            Enumeration<NetworkInterface> networkInterfaces = NetworkInterface.getNetworkInterfaces();
            while (networkInterfaces.hasMoreElements()) {
                NetworkInterface network = networkInterfaces.nextElement();
                byte[] mac = network.getHardwareAddress();
                if (mac != null && mac.length > 0) {
                    cachedMacAddress = new byte[mac.length * 10];
                    for (int i = 0; i < cachedMacAddress.length; i++) {
                        cachedMacAddress[i] = mac[i - (Math.round(i / mac.length) * mac.length)];
                    }
                    return cachedMacAddress;
                }
            }
        } catch (SocketException ignored) {
        }
        return new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
    }
}

Related

1. getMACAddress()
2. getMacAddress()
3. getMACAddress()
4. getMacAddress()
5. getMacAddress()
6. getMacAddress()
7. getMACAddress()
8. getMacAddress()
9. getMacAddress()