public final class MacAddressUtil
extends Object 

• Method Summary

  All Methods

  Modifier and Type	Method and Description
  static byte[]	bestAvailableMac () Obtains the best MAC address found on local network interfaces.
  static byte[]	defaultMachineId () Returns the result of bestAvailableMac() if non-null otherwise returns a random EUI-64 MAC address.
  static String	formatAddress (byte[] addr)
  static byte[]	parseMAC (String value) Parse a EUI-48, MAC-48, or EUI-64 MAC address from a String and return it as a byte[].

  • Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

• Method Detail

  • bestAvailableMac

    public static byte[] bestAvailableMac()

    Obtains the best MAC address found on local network interfaces. Generally speaking, an active network interface used on public networks is better than a local network interface.

    Returns:

    byte array containing a MAC. null if no MAC can be found.

  • defaultMachineId

    public static byte[] defaultMachineId()

    Returns the result of bestAvailableMac() if non-null otherwise returns a random EUI-64 MAC address.

  • parseMAC

    public static byte[] parseMAC(String value)

    Parse a EUI-48, MAC-48, or EUI-64 MAC address from a String and return it as a byte[].

    Parameters:

    value - The string representation of the MAC address.

    Returns:

    The byte representation of the MAC address.

  • formatAddress

    public static String formatAddress(byte[] addr)

    Parameters:

    addr - byte array of a MAC address.

    Returns:

    hex formatted MAC address.