com.etherios.connector.core.utils

Class Base64Utils

java.lang.Object

com.etherios.connector.core.utils.Base64Utils

public class Base64Utils
extends java.lang.Object

Simple base64 encoding and decoding as specified in RFC-2045.

This class is based on public domain code from Robert Harder at http://iharder.sourceforge.net/base64/. It has been modified for use by Digi International.

Method Summary

Modifier and Type	Method and Description
static byte[]	decode(byte[] source, int off, int len) Decodes Base64 content in byte array format and returns the decoded byte array.
static byte[]	decode(java.lang.String s) Decodes data from Base64 notation.
static java.lang.String	decodeToString(java.lang.String s) Decodes data from Base64 notation and returns it as a string.
static java.lang.String	encodeBytes(byte[] source) Encodes a byte array into Base64 notation.
static java.lang.String	encodeBytes(byte[] source, boolean breakLines) Encodes a byte array into Base64 notation.
static java.lang.String	encodeBytes(byte[] source, int off, int len) Encodes a byte array into Base64 notation.
static java.lang.String	encodeBytes(byte[] source, int off, int len, boolean breakLines) Encodes a byte array into Base64 notation.
static java.lang.String	encodeString(java.lang.String s) Encodes a string in Base64 notation with line breaks after every 75 Base64 characters.
static java.lang.String	encodeString(java.lang.String s, boolean breakLines) Encodes a string in Base64 notation with line breaks after every 75 Base64 characters.

Methods inherited from class java.lang.Object

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

Method Detail

decode

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

Decodes Base64 content in byte array format and returns the decoded byte array.

Parameters:

source - The Base64 encoded data

off - The offset of where to begin decoding

len - The length of characters to decode

Returns:

decoded data

decode

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

Decodes data from Base64 notation.

Parameters:

s - the string to decode

Returns:

the decoded data

decodeToString

public static java.lang.String decodeToString(java.lang.String s)

Decodes data from Base64 notation and returns it as a string. Equivalent to calling new String( decode( s ) )

Parameters:

s - the string to decode

Returns:

The data as a string

encodeBytes

public static java.lang.String encodeBytes(byte[] source)

Encodes a byte array into Base64 notation. Equivalent to calling encodeBytes( source, 0, source.length )

Parameters:

source - The data to convert

Returns:

the encoded string.

encodeBytes

public static java.lang.String encodeBytes(byte[] source,
                                           boolean breakLines)

Encodes a byte array into Base64 notation. Equivalent to calling encodeBytes( source, 0, source.length )

Parameters:

source - The data to convert

breakLines - Break lines at 80 characters or less.

Returns:

the encoded string.

encodeBytes

public static java.lang.String encodeBytes(byte[] source,
                                           int off,
                                           int len)

Encodes a byte array into Base64 notation.

Parameters:

source - The data to convert

off - Offset in array where conversion should begin

len - Length of data to convert

Returns:

the encoded string.

encodeBytes

public static java.lang.String encodeBytes(byte[] source,
                                           int off,
                                           int len,
                                           boolean breakLines)

Encodes a byte array into Base64 notation.

Parameters:

source - The data to convert

off - Offset in array where conversion should begin

len - Length of data to convert

breakLines - Break lines at 80 characters or less.

Returns:

the encoded string.

encodeString

public static java.lang.String encodeString(java.lang.String s)

Encodes a string in Base64 notation with line breaks after every 75 Base64 characters. Of course you probably only need to encode a string if there are non-ASCII characters in it such as many non-English languages.

Parameters:

s - the string to encode

Returns:

the encoded string

encodeString

public static java.lang.String encodeString(java.lang.String s,
                                            boolean breakLines)

Encodes a string in Base64 notation with line breaks after every 75 Base64 characters. Of course you probably only need to encode a string if there are non-ASCII characters in it such as many non-English languages.

Parameters:

s - the string to encode

breakLines - Break lines at 80 characters or less.

Returns:

the encoded string