Module seppiko.commons.utils

Package org.seppiko.commons.utils.codec

Class Base16

java.lang.Object

org.seppiko.commons.utils.codec.BaseNCodec

org.seppiko.commons.utils.codec.Base16

All Implemented Interfaces:

Serializable

public class Base16
extends BaseNCodec
implements Serializable

Base16 Encoder / Decoder Util.

Author:

Leonard Woo

See Also:

• RFC4648
• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final Base16	RFC4648	The most widely used Base16 alphabet is defined in RFC 4648.
static final Base16	RFC4648_UPPER	The most widely used Base16 alphabet is defined in RFC 4648.

Fields inherited from class org.seppiko.commons.utils.codec.BaseNCodec

MASK_4BITS, MASK_5BITS, MASK_8BITS

Method Summary

Modifier and Type	Method	Description
byte[]	decode(String str)	convert Base16 to byte array.
String	encode(byte[] data)	convert byte array to Base16.

Methods inherited from class java.lang.Object

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

Field Details

RFC4648

public static final Base16 RFC4648

The most widely used Base16 alphabet is defined in RFC 4648.

RFC4648_UPPER

public static final Base16 RFC4648_UPPER

The most widely used Base16 alphabet is defined in RFC 4648.

Method Details

encode

public String encode(byte[] data)

convert byte array to Base16.

Specified by:

encode in class BaseNCodec

Parameters:

data - byte array data.

Returns:

hex char array.

decode

public byte[] decode(String str)
              throws IllegalArgumentException,
NullPointerException

convert Base16 to byte array.

Specified by:

decode in class BaseNCodec

Parameters:

str - hex char array.

Returns:

byte array.

Throws:

IllegalArgumentException - data include invalid character.

NullPointerException - data is null or empty.