org.brains2b.util
Class HexHelper

java.lang.Object
  org.brains2b.util.HexHelper

public class HexHelper

extends java.lang.Object

HexHelper decodes and encodes to hexadecimal values.

Version:

0.10 [2-aug-2006]

Author:

dennis@brains2b.nl

Constructor Summary

HexHelper()

Method Summary

static byte[]	decode(java.lang.String s) decode a hexidecimal string into an array of bytes
static java.lang.String	encode(byte[] b) encode an array of bytes into a hexidecimal String

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HexHelper

public HexHelper()

Method Detail

encode

public static final java.lang.String encode(byte[] b)

encode an array of bytes into a hexidecimal String

The string is supplied without any prefix

Parameters:

b - byte[], the array to encode

Returns:

the hexidecimal String

Throws:

java.lang.NullPointerException - if no bytes were supplied

decode

public static final byte[] decode(java.lang.String s)

decode a hexidecimal string into an array of bytes

If it is prefixed with '0x' this will be removed first.

If the String has an odd length '0' will be prepended

Parameters:

s - String, the hexidecimal String to decode

Returns:

An array of bytes

Throws:

NullPointerException, - if String is null