Repository
Class Base64

java.lang.Object
  Repository.Base64

final class Base64

extends java.lang.Object

From org.apache.catalina.util you can find in catalina-ant.jar. Apache/Tomcat project. Covered by Apache license.

Field Summary

private static byte[]	base64Alphabet
private static int	BASELENGTH
private static int	EIGHTBIT
private static int	FOURBYTE
private static byte[]	lookUpBase64Alphabet
private static int	LOOKUPLENGTH
private static byte	PAD
private static int	SIGN
private static int	SIXBIT
private static int	SIXTEENBIT
private static int	TWENTYFOURBITGROUP

Constructor Summary

(package private)

Base64()

Method Summary

(package private) static byte[]	decode(byte[] base64Data) Base 64 -> unencoded.
(package private) static byte[]	encode(byte[] binaryData) Unencoded -> base64.
(package private) static boolean	isArrayByteBase64(byte[] arrayOctect)
(package private) static boolean	isBase64(byte octect)
(package private) static boolean	isBase64(java.lang.String isValidString)

Methods inherited from class java.lang.Object

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

Field Detail

BASELENGTH

private static final int BASELENGTH

See Also:

Constant Field Values

LOOKUPLENGTH

private static final int LOOKUPLENGTH

See Also:

Constant Field Values

TWENTYFOURBITGROUP

private static final int TWENTYFOURBITGROUP

See Also:

Constant Field Values

EIGHTBIT

private static final int EIGHTBIT

See Also:

Constant Field Values

SIXTEENBIT

private static final int SIXTEENBIT

See Also:

Constant Field Values

SIXBIT

private static final int SIXBIT

See Also:

Constant Field Values

FOURBYTE

private static final int FOURBYTE

See Also:

Constant Field Values

SIGN

private static final int SIGN

See Also:

Constant Field Values

PAD

private static final byte PAD

See Also:

Constant Field Values

base64Alphabet

private static byte[] base64Alphabet

lookUpBase64Alphabet

private static byte[] lookUpBase64Alphabet

Constructor Detail

Base64

Base64()

Method Detail

decode

static byte[] decode(byte[] base64Data)

Base 64 -> unencoded.

Parameters:

base64Data - byte array to decode

Returns:

decoded byte array

encode

static byte[] encode(byte[] binaryData)

Unencoded -> base64.

Parameters:

binaryData - byte array to encode

Returns:

encoded byte array

isArrayByteBase64

static boolean isArrayByteBase64(byte[] arrayOctect)

Parameters:

arrayOctect - byte array to check

Returns:

true if base64

isBase64

static boolean isBase64(byte octect)

Parameters:

octect - byte to check

Returns:

true if base64

isBase64

static boolean isBase64(java.lang.String isValidString)

Parameters:

isValidString - string to check

Returns:

true if base64