/**
* Converts a byte array to a hexadecimal String. Each byte is presented by its two digit
* hex-code; 0x0A -> "0a", 0x00 -> "00". No leading "0x" is included in the result.
*
* @param value the byte array to be converted
* @return the hexadecimal string representation of the byte array
*/
public static String toHexString(byte[] value) {
if (value == null) {
return null;
}
StringBuffer buffer = new StringBuffer(2 * value.length);
int single;
for (int i = 0; i < value.length; i++) {
single = value[i] & 0xFF;
if (single < 0x10) {
buffer.append('0');
}
buffer.append(Integer.toString(single, 16));
}
return buffer.toString();
}
