Package de.cardcontact.tlv

Class HexString

java.lang.Object

de.cardcontact.tlv.HexString

public class HexString
extends java.lang.Object

Utility class to handle all sorts of hexadecimal string conversions

Author:

Andreas Schwier (info@cardcontact.de)

Constructor Summary

Constructors

Constructor	Description
HexString()

Method Summary

Modifier and Type	Method	Description
static java.lang.String	dump(byte[] data)	Dump buffer in hexadecimal format with offset and character codes
static java.lang.String	dump(byte[] data, int offset, int length)	Dump buffer in hexadecimal format with offset and character codes.
static java.lang.String	dump(byte[] data, int offset, int length, int widths)	Dump buffer in hexadecimal format with offset and character codes
static java.lang.String	dump(byte[] data, int offset, int length, int widths, int indent)	Dump buffer in hexadecimal format with offset and character codes
static java.lang.String	hexifyByte(byte val)	Convert byte value to hexadecimal byte presentation
static java.lang.String	hexifyByte(int val)	Convert integer value to hexadecimal byte presentation
static java.lang.String	hexifyByteArray(byte[] buffer)	Convert byte array to hexadecimal string
static java.lang.String	hexifyByteArray(byte[] buffer, char delimiter)	Convert byte array to hexadecimal string
static java.lang.String	hexifyByteArray(byte[] buffer, char delimiter, int length)	Convert byte array to hexadecimal string
static java.lang.String	hexifyInt(int val)	Convert int value to hexadecimal int presentation
static java.lang.String	hexifyShort(int val)	Convert int value to hexadecimal short presentation
static byte[]	parseHexString(java.lang.String str)	Parse string of hexadecimal characters into byte array

Methods inherited from class java.lang.Object

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

Constructor Detail

HexString

public HexString()

Method Detail

hexifyByte

public static java.lang.String hexifyByte(int val)

Convert integer value to hexadecimal byte presentation

Parameters:

val - Value

Returns:

2 digit hexadecimal string

hexifyByte

public static java.lang.String hexifyByte(byte val)

Convert byte value to hexadecimal byte presentation

Parameters:

val - Value

Returns:

2 digit hexadecimal string

hexifyShort

public static java.lang.String hexifyShort(int val)

Convert int value to hexadecimal short presentation

Parameters:

val - Value

Returns:

4 digit hexadecimal string

hexifyInt

public static java.lang.String hexifyInt(int val)

Convert int value to hexadecimal int presentation

Parameters:

val - Value

Returns:

8 digit hexadecimal string

hexifyByteArray

public static java.lang.String hexifyByteArray(byte[] buffer,
                                               char delimiter,
                                               int length)

Convert byte array to hexadecimal string

Parameters:

buffer - Buffer with bytes

delimiter - Delimiter to be inserted between bytes. Use 0 for none.

length - Number of byte to convert

Returns:

String with hexadecimal data

hexifyByteArray

public static java.lang.String hexifyByteArray(byte[] buffer,
                                               char delimiter)

Convert byte array to hexadecimal string

Parameters:

buffer - Buffer with bytes

delimiter - Delimiter to be inserted between bytes. Use 0 for none.

Returns:

String with hexadecimal data

hexifyByteArray

public static java.lang.String hexifyByteArray(byte[] buffer)

Convert byte array to hexadecimal string

Parameters:

buffer - Buffer with bytes

Returns:

String with hexadecimal data

dump

public static java.lang.String dump(byte[] data,
                                    int offset,
                                    int length,
                                    int widths,
                                    int indent)

Dump buffer in hexadecimal format with offset and character codes

Parameters:

data - Byte buffer

offset - Offset into byte buffer

length - Length of data to be dumped

widths - Number of bytes per line

indent - Number of blanks to indent each line

Returns:

String containing the dump

dump

public static java.lang.String dump(byte[] data,
                                    int offset,
                                    int length,
                                    int widths)

Dump buffer in hexadecimal format with offset and character codes

Parameters:

data - Byte buffer

offset - Offset into byte buffer

length - Length of data to be dumped

widths - Number of bytes per line

Returns:

String containing the dump

dump

public static java.lang.String dump(byte[] data,
                                    int offset,
                                    int length)

Dump buffer in hexadecimal format with offset and character codes. Output 16 bytes per line

Parameters:

data - Byte buffer

offset - Offset into byte buffer

length - Length of data to be dumped

Returns:

String containing the dump

dump

public static java.lang.String dump(byte[] data)

Dump buffer in hexadecimal format with offset and character codes

Parameters:

data - Byte buffer

Returns:

String containing the dump

parseHexString

public static byte[] parseHexString(java.lang.String str)

Parse string of hexadecimal characters into byte array

Parameters:

str - String to parse

Returns:

byte array containing the string