org.fabric3.spi.util

Class Base64

java.lang.Object

org.fabric3.spi.util.Base64

public class Base64
extends java.lang.Object

Provides Base64 encoding and decoding as defined by RFC 2045.

This class implements section 6.8. Base64 Content-Transfer-Encoding from RFC 2045 Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies by Freed and Borenstein.

Constructor Summary

Constructors

Constructor and Description
Base64()

Method Summary

Modifier and Type	Method and Description
static byte[]	decode(char[] data, int off, int len)
static void	decode(char[] data, int off, int len, java.io.OutputStream ostream)
static byte[]	decode(java.lang.String data)
static void	decode(java.lang.String data, java.io.OutputStream ostream)
static java.lang.String	encode(byte[] data) Returns base64 representation of specified byte array.
static java.lang.String	encode(byte[] data, int off, int len) Returns base64 representation of specified byte array.
static void	encode(byte[] data, int off, int len, java.io.OutputStream ostream) Outputs base64 representation of the specified byte array to a byte stream.
static void	encode(byte[] data, int off, int len, java.lang.StringBuffer buffer) Outputs base64 representation of the specified byte array to the specified String Buffer
static void	encode(byte[] data, int off, int len, java.io.Writer writer) Outputs base64 representation of the specified byte array to a character stream.
static boolean	isValidBase64Encoding(java.lang.String data) checks input string for invalid Base64 characters

Methods inherited from class java.lang.Object

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

Constructor Detail

Base64

public Base64()

Method Detail

decode

public static byte[] decode(char[] data,
                            int off,
                            int len)

decode

public static byte[] decode(java.lang.String data)

isValidBase64Encoding

public static boolean isValidBase64Encoding(java.lang.String data)

checks input string for invalid Base64 characters

Parameters:

data - the data to encode

Returns:

true if String contains only valid Base64 characters. false, otherwise

decode

public static void decode(char[] data,
                          int off,
                          int len,
                          java.io.OutputStream ostream)
                   throws java.io.IOException

Throws:

java.io.IOException

decode

public static void decode(java.lang.String data,
                          java.io.OutputStream ostream)
                   throws java.io.IOException

Throws:

java.io.IOException

encode

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

Returns base64 representation of specified byte array.

encode

public static java.lang.String encode(byte[] data,
                                      int off,
                                      int len)

Returns base64 representation of specified byte array.

encode

public static void encode(byte[] data,
                          int off,
                          int len,
                          java.lang.StringBuffer buffer)

Outputs base64 representation of the specified byte array to the specified String Buffer

encode

public static void encode(byte[] data,
                          int off,
                          int len,
                          java.io.OutputStream ostream)
                   throws java.io.IOException

Outputs base64 representation of the specified byte array to a byte stream.

Throws:

java.io.IOException

encode

public static void encode(byte[] data,
                          int off,
                          int len,
                          java.io.Writer writer)
                   throws java.io.IOException

Outputs base64 representation of the specified byte array to a character stream.

Throws:

java.io.IOException