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

Method Summary

Modifier and Type	Method and Description
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

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:

java.lang.NullPointerException - if String is null