org.catacomb.util

Class Base64

java.lang.Object

org.catacomb.util.Base64

public class Base64
extends java.lang.Object

A utility class to convert to and from base 64 encoding.

Author:

Russell Gold

Field Summary

Fields

Modifier and Type	Field and Description
(package private) static java.lang.String	encodingChar

Constructor Summary

Constructors

Constructor and Description
Base64()

Method Summary

Methods

Modifier and Type	Method and Description
private static void	convert3To4(char[] source, int sourceIndex, char[] target)
private static void	convert4To3(byte[] source, byte[] target, int targetIndex)
static java.lang.String	decode(java.lang.String source) Returns the plaintext equivalent of a base 64-encoded string.
static java.lang.String	encode(java.lang.String source) Returns the base 64 encoded equivalent of a supplied string.
private static char[]	getPaddedBytes(java.lang.String source)

Methods inherited from class java.lang.Object

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

Field Detail

encodingChar

static final java.lang.String encodingChar

See Also:

Constant Field Values

Constructor Detail

Base64

public Base64()

Method Detail

encode

public static java.lang.String encode(java.lang.String source)

Returns the base 64 encoded equivalent of a supplied string.

Parameters:

source - the string to encode

getPaddedBytes

private static char[] getPaddedBytes(java.lang.String source)

convert3To4

private static void convert3To4(char[] source,
               int sourceIndex,
               char[] target)

decode

public static java.lang.String decode(java.lang.String source)

Returns the plaintext equivalent of a base 64-encoded string.

Parameters:

source - a base 64 string (which must have a multiple of 4 characters)

convert4To3

private static void convert4To3(byte[] source,
               byte[] target,
               int targetIndex)