io.crate.common

Class Hex

java.lang.Object

io.crate.common.Hex

public class Hex
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
Hex()

Method Summary

Modifier and Type	Method and Description
static byte[]	decodeHex(char[] data)
static byte[]	decodeHex(java.lang.String data)
static char[]	encodeHex(byte[] data) Converts an array of bytes into an array of characters representing the hexadecimal values of each byte in order.
static char[]	encodeHex(byte[] data, boolean toLowerCase) Converts an array of bytes into an array of characters representing the hexadecimal values of each byte in order.
protected static char[]	encodeHex(byte[] data, char[] toDigits) Converts an array of bytes into an array of characters representing the hexadecimal values of each byte in order.
static java.lang.String	encodeHexString(byte[] data) Converts an array of bytes into a String representing the hexadecimal values of each byte in order.
protected static int	toDigit(char ch, int index)

Methods inherited from class java.lang.Object

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

Constructor Detail

Hex

public Hex()

Method Detail

encodeHex

public static char[] encodeHex(byte[] data)

Converts an array of bytes into an array of characters representing the hexadecimal values of each byte in order. The returned array will be double the length of the passed array, as it takes two characters to represent any given byte.

Parameters:

data - a byte[] to convert to Hex characters

Returns:

A char[] containing hexadecimal characters

encodeHex

public static char[] encodeHex(byte[] data,
                               boolean toLowerCase)

Converts an array of bytes into an array of characters representing the hexadecimal values of each byte in order. The returned array will be double the length of the passed array, as it takes two characters to represent any given byte.

Parameters:

data - a byte[] to convert to Hex characters

toLowerCase - true converts to lowercase, false to uppercase

Returns:

A char[] containing hexadecimal characters

encodeHex

protected static char[] encodeHex(byte[] data,
                                  char[] toDigits)

Converts an array of bytes into an array of characters representing the hexadecimal values of each byte in order. The returned array will be double the length of the passed array, as it takes two characters to represent any given byte.

Parameters:

data - a byte[] to convert to Hex characters

toDigits - the output alphabet

Returns:

A char[] containing hexadecimal characters

Since:

1.4

encodeHexString

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

Converts an array of bytes into a String representing the hexadecimal values of each byte in order. The returned String will be double the length of the passed array, as it takes two characters to represent any given byte.

Parameters:

data - a byte[] to convert to Hex characters

Returns:

A String containing hexadecimal characters

decodeHex

public static byte[] decodeHex(java.lang.String data)
                        throws java.lang.IllegalStateException

Throws:

java.lang.IllegalStateException

decodeHex

public static byte[] decodeHex(char[] data)
                        throws java.lang.IllegalStateException

Throws:

java.lang.IllegalStateException

toDigit

protected static int toDigit(char ch,
                             int index)
                      throws java.lang.IllegalStateException

Throws:

java.lang.IllegalStateException