org.deegree_impl.tools
Class Base64

java.lang.Object
  org.deegree_impl.tools.Base64

public final class Base64

extends java.lang.Object

This class provides encode/decode for RFC 2045 Base64 as defined by RFC 2045, N. Freed and N. Borenstein. RFC 2045: Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies. Reference 1996

Version:

$Id: Base64.java,v 1.3 2004/03/07 09:33:11 poth Exp $

Author:

Jeffrey Rodriguez

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

Base64()

Method Summary

static byte[]	decodeByteArray(byte[] base64Data) Decodes Base64 data into octects
static java.awt.image.BufferedImage	decodeImage(byte[] base64Data) Decodes Base64 data into a BufferedImage
static java.io.InputStream	decodeInputStream(byte[] base64Data) Decodes Base64 data into a InputStream
static java.io.OutputStream	decodeOutputStream(byte[] base64Data) Decodes Base64 data into a OutputStream
static java.lang.String	decodeString(byte[] base64Data) Decodes Base64 data into a String
static byte[]	encode(byte[] binaryData) Encodes hex octects into Base64.
static byte[]	encode(java.lang.String s) Encodes a String into Base64.
static boolean	isArrayByteBase64(byte[] arrayOctect)
static boolean	isBase64(byte octect)
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

public Base64()

Method Detail

isBase64

public static boolean isBase64(java.lang.String isValidString)

Parameters:

isValidString -

Returns:

isBase64

public static boolean isBase64(byte octect)

Parameters:

octect -

Returns:

isArrayByteBase64

public static boolean isArrayByteBase64(byte[] arrayOctect)

Parameters:

arrayOctect -

Returns:

encode

public static byte[] encode(byte[] binaryData)

Encodes hex octects into Base64.

Parameters:

binaryData - Array containing binary data to encode.

Returns:

Base64-encoded data.

encode

public static byte[] encode(java.lang.String s)

Encodes a String into Base64.

Parameters:

s -

Returns:

Base64-encoded data.

decodeByteArray

public static byte[] decodeByteArray(byte[] base64Data)

Decodes Base64 data into octects

Parameters:

base64Data - Byte array containing Base64 data

Returns:

Array containing decoded data.

decodeString

public static java.lang.String decodeString(byte[] base64Data)

Decodes Base64 data into a String

Parameters:

base64Data -

Returns:

Array containing decoded data.

decodeInputStream

public static java.io.InputStream decodeInputStream(byte[] base64Data)

Decodes Base64 data into a InputStream

Parameters:

base64Data - Byte array containing Base64 data

Returns:

Array containing decoded data.

decodeOutputStream

public static java.io.OutputStream decodeOutputStream(byte[] base64Data)

Decodes Base64 data into a OutputStream

Parameters:

base64Data - Byte array containing Base64 data

Returns:

Array containing decoded data.

decodeImage

public static java.awt.image.BufferedImage decodeImage(byte[] base64Data)
                                                throws java.io.IOException

Decodes Base64 data into a BufferedImage

Parameters:

base64Data - Byte array containing Base64 data

Returns:

Array containing decoded data.

Throws:

java.io.IOException