Java Mac Address Get getMacAddress(String separator)

Description

get Mac Address

License

Open Source License

Declaration

public static String getMacAddress(String separator) throws SocketException, UnknownHostException 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.net.InetAddress;

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

import java.net.UnknownHostException;

public class Main {
    public static String getMacAddress() throws SocketException, UnknownHostException {
        return getMacAddress(':');
    }/* w  w w.j  a  v  a 2  s.  c o m*/

    public static String getMacAddress(char separator) throws SocketException, UnknownHostException {
        return getMacAddress(String.valueOf(separator));
    }

    public static String getMacAddress(String separator) throws SocketException, UnknownHostException {
        final StringBuilder macAddress = new StringBuilder();

        final InetAddress localHost = InetAddress.getLocalHost();
        final NetworkInterface networkInterface = NetworkInterface.getByInetAddress(localHost);

        if (networkInterface == null) {
            return null;
        }

        for (byte b : networkInterface.getHardwareAddress()) {
            macAddress.append(String.format("%02X", b)).append(separator);
        }

        return macAddress.substring(0, macAddress.length() - separator.length());
    }
}

Related

1. getMacAddress()
2. getMacAddress()
3. getMACAddress()
4. getMacAddress(String host)
5. getMACAddress(String interfaceName)
6. getMacAddressBytes()
7. getMacAddresses()
8. getMacAddressString()
9. getMacAddrs()