Java Character.digit Examples

Example #1

File: AfamSmartCard.java Project: AfamO/IDSmart

 public static byte[] hexStringToByteArray(String s) {
   int len = s.length();
   byte[] data = new byte[len / 2];
   for (int i = 0; i < len; i += 2) {
     data[i / 2] =
         (byte) ((Character.digit(s.charAt(i), 16) << 4) + Character.digit(s.charAt(i + 1), 16));
   }
   return data;
 }