net.sourceforge.jpcap.util
Class HexHelper

java.lang.Object
  net.sourceforge.jpcap.util.HexHelper

public class HexHelper
extends Object

Functions for formatting and printing binary data in hexadecimal.

Version:

$Revision: 1.1 $

Author:

Patrick Charles and Jonas Lehmann, Esmond Pitt

Last modified by:

$Author: esmondpitt $

Last modified at:

$Date: 2008/08/21 02:59:23 $

Constructor Summary

HexHelper()

Method Summary

static char	nibbleToDigit(byte x) Converts the lower four bits of a byte into the ascii digit which represents its hex value.
static String	toQuadString(int i) Convert an int (32 bits in Java) to a decimal quad of the form aaa.bbb.ccc.ddd.
static String	toString(byte b) Convert a single byte into a string representing its hex value.
static String	toString(byte[] bytes) Returns a text representation of a byte array.
static String	toString(int i) Convert an int to a hexadecimal 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

toQuadString

public static String toQuadString(int i)

Convert an int (32 bits in Java) to a decimal quad of the form aaa.bbb.ccc.ddd.

toString

public static String toString(int i)

Convert an int to a hexadecimal string.

nibbleToDigit

public static char nibbleToDigit(byte x)

Converts the lower four bits of a byte into the ascii digit which represents its hex value. For example: nibbleToDigit(10) produces 'a'.

toString

public static String toString(byte b)

Convert a single byte into a string representing its hex value. i.e. -1 -> "ff"

Parameters:

b - the byte to convert.

Returns:

a string containing the hex equivalent.

toString

public static String toString(byte[] bytes)

Returns a text representation of a byte array.

Parameters:

bytes - a byte array

Returns:

a string containing the hex equivalent of the bytes.