Package eu.ill.webx.utils

Class HexString

java.lang.Object

eu.ill.webx.utils.HexString

public class HexString
extends Object

Utility class to convert binary bytearrays into hexadecimal strings and vice versa.

Constructor Summary

Constructors

Constructor	Description
HexString()	Default constructor

Method Summary

Modifier and Type	Method	Description
static String	fromByteArray(byte[] data)	Converts byte data to hex string
static String	fromByteArray(byte[] data, int length)	Converts byte data to hex string using a maximum length of the data
static byte[]	toByteArray(String hexString, int expectedBytesLength)	Converts from a hexadecimal string to a byte array.
static String	toDebugString(byte[] data)	Converts byte data to a hex string using full length of byte data.
static String	toDebugString(byte[] data, int length)	Converts byte data to hex string using a fixed maximum length of data The data is formatted for easier debugging.

Methods inherited from class java.lang.Object

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

Constructor Details

HexString

public HexString()

Default constructor

Method Details

toDebugString

public static String toDebugString(byte[] data)

Converts byte data to a hex string using full length of byte data. The data is formatted for easier debugging.

Parameters:

data - the input binary data

Returns:

hexadecimal representation of the data

toDebugString

public static String toDebugString(byte[] data,
 int length)

Converts byte data to hex string using a fixed maximum length of data The data is formatted for easier debugging.

Parameters:

data - the input binary data

length - The maximum length of the string

Returns:

hexadecimal representation of the data

fromByteArray

public static String fromByteArray(byte[] data)

Converts byte data to hex string

Parameters:

data - the input binary data

Returns:

hexadecimal representation of the data

fromByteArray

public static String fromByteArray(byte[] data,
 int length)

Converts byte data to hex string using a maximum length of the data

Parameters:

data - the input binary data

length - The maximum length of the string

Returns:

hexadecimal representation of the data

toByteArray

public static byte[] toByteArray(String hexString,
 int expectedBytesLength)

Converts from a hexadecimal string to a byte array. Validation is made of the expected byte length.

Parameters:

hexString - the input hex string

expectedBytesLength - the expected number of bytes

Returns:

the byte array equivalent to the hex string