de.rtner.misc
Class BinTools

java.lang.Object
  de.rtner.misc.BinTools

public class BinTools
extends java.lang.Object

Free auxiliary functions

Field Summary

static java.lang.String

hex

Constructor Summary

BinTools()

Method Summary

static java.lang.String	bin2hex(byte[] b) Simple binary-to-hexadecimal conversion.
static int	hex2bin(char c) Convert hex digit to numerical value.
static byte[]	hex2bin(java.lang.String s) Convert hex string to array of bytes.
static void	main(java.lang.String[] args)

Methods inherited from class java.lang.Object

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

Field Detail

hex

public static final java.lang.String hex

See Also:

Constant Field Values

Constructor Detail

BinTools

public BinTools()

Method Detail

bin2hex

public static java.lang.String bin2hex(byte[] b)

Simple binary-to-hexadecimal conversion.

Parameters:

b - Input bytes. May be null.

Returns:

Hexadecimal representation of b. Uppercase A-F, two characters per byte. Empty string on null input.

hex2bin

public static byte[] hex2bin(java.lang.String s)

Convert hex string to array of bytes.

Parameters:

s - String containing hexadecimal digits. May be null. On odd length leading zero will be assumed.

Returns:

Array on bytes, non-null.

Throws:

java.lang.IllegalArgumentException - when string contains non-hex character

hex2bin

public static int hex2bin(char c)

Convert hex digit to numerical value.

Parameters:

c - 0-9, a-f, A-F allowd.

Returns:

0-15

Throws:

java.lang.IllegalArgumentException - on non-hex character

main

public static void main(java.lang.String[] args)