com.imaginary.util
Class Base64Encoder
java.lang.Object
|
+--com.imaginary.util.Encoder
|
+--com.imaginary.util.Base64Encoder
- public class Base64Encoder
- extends Encoder
Provides BASE64 encoding and decoding for binary data. This class currently
uses the sun.misc.BASE64Encoder
and
sun.misc.BASE64Decoder
classes. The point of this class
is first of all to work with a generic encoding/decoding API and
second of all provide a level of indirection from the Sun classes
in the event they stop supporting those classes.
BASE64 encoding is a way to save binary data in ASCII strings. To make
use of BASE64 encoding, execute the following code:
Encoder encoder = Encoder.getInstance(Encoder.BASE64);
String ascii = new String(encoder.encode(binary), "8859_1");
Last modified $Date: 1999/11/06 19:50:49 $
Method Summary |
byte[] |
decode(byte[] encoded)
Decodes a byte array representing an ASCII string into its original,
binary format. |
byte[] |
decode(java.lang.String encoded)
Decodes an ASCII string into its original, binary format. |
byte[] |
encode(byte[] decoded)
Encodes raw binary data into an ASCII format. |
byte[] |
encode(java.lang.String decoded)
Encodes a Unicode string into an ASCII format. |
Methods inherited from class java.lang.Object |
clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait |
decode
public byte[] decode(byte[] encoded)
- Decodes a byte array representing an ASCII string into its original,
binary format.
- Parameters:
encoded
- a byte array of BASE64 encoded ASCII data- Returns:
- a byte array of decoded binary data
- Overrides:
- decode in class Encoder
decode
public byte[] decode(java.lang.String encoded)
- Decodes an ASCII string into its original, binary format.
- Parameters:
encoded
- an ASCII string of BASE64 encoded data- Returns:
- a byte array of decoded binary data
- Overrides:
- decode in class Encoder
encode
public byte[] encode(byte[] decoded)
- Encodes raw binary data into an ASCII format.
- Parameters:
decoded
- the raw binary data to be encoded- Returns:
- a byte array representing an ASCII string
- Overrides:
- encode in class Encoder
encode
public byte[] encode(java.lang.String decoded)
- Encodes a Unicode string into an ASCII format. You will likely
never want to use this method. Because BASE63 encoding
is for encoding binary data into an ASCII format,
this method really exists for compatibility
with the
Encoder
interface.
- Parameters:
decoded
- a Unicode string- Returns:
- a byte array representing an ASCII string
- Overrides:
- encode in class Encoder