org.springframework.security.crypto.codec

Class Base64

java.lang.Object

org.springframework.security.crypto.codec.Base64

public final class Base64
extends Object

Base64 encoder which is a reduced version of Robert Harder's public domain implementation (version 2.3.7). See http://iharder.net/base64 for more information.

For internal use only.

Since:

3.0

Field Summary

Fields

Modifier and Type	Field and Description
static int	DECODE Specify decoding in first bit.
static int	DO_BREAK_LINES Do break lines when encoding.
static int	ENCODE Specify encoding in first bit.
static int	NO_OPTIONS No options specified.
static int	ORDERED Encode using the special "ordered" dialect of Base64 described here: http://www.faqs.org/qa/rfcc-1940.html.
static int	URL_SAFE Encode using Base64-like encoding that is URL- and Filename-safe as described in Section 4 of RFC3548: http://www.faqs .org/rfcs/rfc3548.html.

Constructor Summary

Constructors

Constructor and Description
Base64()

Method Summary

Methods

Modifier and Type	Method and Description
static byte[]	decode(byte[] bytes)
static byte[]	encode(byte[] bytes)
static boolean	isBase64(byte[] bytes)

Methods inherited from class java.lang.Object

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

Field Detail

NO_OPTIONS

public static final int NO_OPTIONS

No options specified. Value is zero.

See Also:

Constant Field Values

ENCODE

public static final int ENCODE

Specify encoding in first bit. Value is one.

See Also:

Constant Field Values

DECODE

public static final int DECODE

Specify decoding in first bit. Value is zero.

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Constant Field Values

DO_BREAK_LINES

public static final int DO_BREAK_LINES

Do break lines when encoding. Value is 8.

See Also:

Constant Field Values

URL_SAFE

public static final int URL_SAFE

Encode using Base64-like encoding that is URL- and Filename-safe as described in Section 4 of RFC3548: http://www.faqs .org/rfcs/rfc3548.html. It is important to note that data encoded this way is not officially valid Base64, or at the very least should not be called Base64 without also specifying that is was encoded using the URL- and Filename-safe dialect.

See Also:

Constant Field Values

ORDERED

public static final int ORDERED

Encode using the special "ordered" dialect of Base64 described here: http://www.faqs.org/qa/rfcc-1940.html.

See Also:

Constant Field Values

Constructor Detail

Base64

public Base64()

Method Detail

decode

public static byte[] decode(byte[] bytes)

encode

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

isBase64

public static boolean isBase64(byte[] bytes)