@SuppressWarnings("array.access.unsafe.high") | |
public class HexEncode { | |
private static final char[] digits = { | |
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' | |
}; | |
public static String hexEncode(byte[] bytes) { | |
StringBuffer s = new StringBuffer(bytes.length * 2); | |
for (int i = 0; i < bytes.length; i++) { | |
byte b = bytes[i]; | |
s.append(digits[(b & 0xf0) >> 4]); | |
s.append(digits[b & 0x0f]); | |
} | |
return s.toString(); | |
} | |
} |