src/main/java/eu/svjatoslav/commons/data/HexConverter.java

   1 package eu.svjatoslav.commons.data;
   2
   3 public class HexConverter {
   4
   5         static final String hexCodes = "0123456789ABCDEF";
   6
   7         public static String byteArrayToHex(final byte[] raw) {
   8
   9                 if (raw == null)
  10                         return null;
  11
  12                 final StringBuilder result = new StringBuilder(2 * raw.length);
  13
  14                 for (final byte b : raw)
  15                         result.append(hexCodes.charAt((b & 0xF0) >> 4)).append(
  16                                         hexCodes.charAt((b & 0x0F)));
  17
  18                 return result.toString();
  19         }
  20
  21 }