Class Hex

java.lang.Object

com.codename1.crypto.encoding.Hex

public final class Hex
extends Object

Hexadecimal encoding and decoding. Output is always lowercase; input may be upper or lower case and may start with a 0x or 0X prefix.

Method Summary

Modifier and Type	Method	Description
static byte[]	decode(String hex)	Decodes a hex string, accepting an optional 0x/0X prefix and either case.
static String	encode(byte[] data)	Encodes bytes as a lowercase hex string without a prefix.

Methods inherited from class Object

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

Method Details

encode

public static String encode(byte[] data)

Encodes bytes as a lowercase hex string without a prefix.

Parameters

• data: the bytes to encode

Returns

two hex digits per byte

decode

public static byte[] decode(String hex)

Decodes a hex string, accepting an optional 0x/0X prefix and either case.

Parameters

• hex: the text to decode

Returns

the decoded bytes

Throws

• IllegalArgumentException: if the length is odd or a character is not a hex digit