Module seppiko.commons.utils

Package org.seppiko.commons.utils.codec

Class Base36

java.lang.Object

org.seppiko.commons.utils.codec.Base36

public class Base36
extends Object

Base36 A simple base36 encode / decode. Commonly used by URL redirection systems like TinyURL as compact alphanumeric identifiers.

Author:

Leonard Woo

See Also:

• Base36

Method Summary

Modifier and Type	Method	Description
static BigInteger	decode(String str)	Decode Base36 string to number
static byte[]	decodeBytes(String str)	Decode Base36 string to bytes
static String	encode(BigInteger source)	Encode number to Base36 string
static String	encode(BigInteger source, boolean toLowercase)	Encode number to Base36 string
static String	encodeBytes(byte[] data)	Encode bytes to Base36 string
static String	encodeBytes(byte[] data, boolean toLowercase)	Encode bytes to Base36 string

Methods inherited from class java.lang.Object

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

Method Details

encodeBytes

public static String encodeBytes(byte[] data)

Encode bytes to Base36 string

Parameters:

data - bytes.

Returns:

Base36 String.

encodeBytes

public static String encodeBytes(byte[] data,
 boolean toLowercase)

Encode bytes to Base36 string

Parameters:

data - bytes.

toLowercase - true is return [0-9a-z], false is [0-9A-Z].

Returns:

Base36 String.

encode

public static String encode(BigInteger source)

Encode number to Base36 string

Parameters:

source - Number.

Returns:

Base36 String.

encode

public static String encode(BigInteger source,
 boolean toLowercase)

Encode number to Base36 string

Parameters:

source - Number.

toLowercase - true is return [0-9a-z], false is [0-9A-Z].

Returns:

Base36 String.

decodeBytes

public static byte[] decodeBytes(String str)

Decode Base36 string to bytes

Parameters:

str - Base36 String.

Returns:

bytes.

decode

public static BigInteger decode(String str)

Decode Base36 string to number

Parameters:

str - Base36 String.

Returns:

Number.