public static byte[] decodeMacAddress(final String mac) {
final StringTokenizer tokens = new StringTokenizer(mac, "-");
if (tokens.countTokens() != MAC_ADDRESS_TOKENS) {
throw new IllegalArgumentException("Unexpected mac address representation: " + mac);
}
final StringBuilder buf = new StringBuilder(MAC_ADDRESS_TOKENS * 2);
for (int i = 0; i < MAC_ADDRESS_TOKENS; i++) {
buf.append(tokens.nextToken());
}
char[] c = buf.toString().toCharArray();
return StringUtils.decodeHex(c);
}
