Package dev.getelements.elements.sdk.util

Class Hex

java.lang.Object

dev.getelements.elements.sdk.util.Hex

Direct Known Subclasses:

Hex

public class Hex
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	Hex.ByteBufferAllocator
static enum	Hex.Case	The case (upper or lower case).
static class	Hex.InvalidHexString	Thrown when the hex string is not valid.

Field Summary

Fields

Modifier and Type	Field	Description
static final Pattern	VALID_PATTERN
static final String	VALID_REGEX

Constructor Summary

Constructors

Constructor	Description
Hex()

Method Summary

Modifier and Type	Method	Description
static byte[]	decode(String hex)	Decodes a String into raw hexadecimal bytes.
static ByteBuffer	decodeToBuffer(String hex)	Decodes a String into raw hexadecimal bytes, allocating a new ByteBuffer for storage.
static ByteBuffer	decodeToBuffer(String hex, Hex.ByteBufferAllocator byteBufferAllocator)	Decodes a String into raw hexadecimal bytes, allocating a new ByteBuffer for storage using the supplied Hex.ByteBufferAllocator.
static String	encode(byte[] raw)	Encodes hex to to lower-case hex encoding.
static String	encode(byte[] raw, Hex.Case c)	Encodes hex to to lower-case hex encoding.
static String	encode(ByteBuffer raw)	Encodes hex to to lower-case hex encoding.
static String	encode(ByteBuffer raw, Hex.Case c)	Encodes hex to to lower-case hex encoding.
static char	forNibble(int nibble, Hex.Case c)	Gets a characte for the supplied nibble.

Methods inherited from class java.lang.Object

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

Field Details

VALID_REGEX

public static final String VALID_REGEX

See Also:

• Constant Field Values

VALID_PATTERN

public static final Pattern VALID_PATTERN

Constructor Details

Hex

public Hex()

Method Details

forNibble

public static char forNibble(int nibble,
 Hex.Case c)

Gets a characte for the supplied nibble.

Parameters:

nibble - the nibble

c - the desired case format

Returns:

the char for the nibble.

encode

public static String encode(byte[] raw)

Encodes hex to to lower-case hex encoding.

Parameters:

raw - the raw byte value

Returns:

the String representing the hex string

encode

public static String encode(byte[] raw,
 Hex.Case c)

Encodes hex to to lower-case hex encoding.

Parameters:

raw - the raw byte value

c - the Hex.Case

Returns:

the String representing the hex string

encode

public static String encode(ByteBuffer raw)

Encodes hex to to lower-case hex encoding.

Parameters:

raw - the raw byte value

Returns:

the String representing the hex string

encode

public static String encode(ByteBuffer raw,
 Hex.Case c)

Encodes hex to to lower-case hex encoding.

Parameters:

raw - the raw byte value

c - the Hex.Case

Returns:

the String representing the hex string

decode

public static byte[] decode(String hex)

Decodes a String into raw hexadecimal bytes.

Parameters:

hex - the hex string

Returns:

a

invalid reference

byte[]

representing the hex

decodeToBuffer

public static ByteBuffer decodeToBuffer(String hex)

Decodes a String into raw hexadecimal bytes, allocating a new ByteBuffer for storage.

Parameters:

hex - the hex string

Returns:

a

invalid reference

byte[]

representing the hex

decodeToBuffer

public static ByteBuffer decodeToBuffer(String hex,
 Hex.ByteBufferAllocator byteBufferAllocator)

Decodes a String into raw hexadecimal bytes, allocating a new ByteBuffer for storage using the supplied Hex.ByteBufferAllocator.

Parameters:

hex - the hex string

Returns:

a

invalid reference

byte[]

representing the hex