wt.util.xml.io
Class Char3in4Decoder

java.lang.Object
  wt.util.xml.io.Char3in4Decoder

All Implemented Interfaces:

CharacterDecoder

public class Char3in4Decoder

extends Object

implements CharacterDecoder

Decodes a String or byte Array of printable characters by converting 24bits of 4*6bit characters to 24bits of 3*8bit bytes. The result is returned in a byte array.

(This conforms to 3to4 encoding and decoding in RFC1421 and RFC1521).

Supported API: false

Extendable: false

Field Summary

private static String	CLASSNAME
private static char[]	keyArray
private static byte[]	keyByteArray
private static char	padChar equivalent to '='.
private static String	RESOURCE

Constructor Summary

Char3in4Decoder()

Method Summary

byte[]	decode(byte[] byteArray) decodes a coded string's byte array to an uncoded byte array.
byte[]	decode(String codedString) decodes a string to a byte array.

Methods inherited from class java.lang.Object

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

Field Detail

RESOURCE

private static final String RESOURCE

See Also:

Constant Field Values

CLASSNAME

private static final String CLASSNAME

keyArray

private static final char[] keyArray

keyByteArray

private static final byte[] keyByteArray

padChar

private static final char padChar

equivalent to '='.

See Also:

Constant Field Values

Constructor Detail

Char3in4Decoder

public Char3in4Decoder()

Method Detail

decode

public byte[] decode(byte[] byteArray)
              throws XMLMechanismException

decodes a coded string's byte array to an uncoded byte array.

Supported API: false

Parameters:

byteArray - the byte array to decode

Returns:

byte[]

Throws:

XMLMechanismException

decode

public byte[] decode(String codedString)
              throws XMLMechanismException

decodes a string to a byte array.

Supported API: false

Specified by:

decode in interface CharacterDecoder

Parameters:

codedString - the byte array to encode

Returns:

byte[]

Throws:

XMLMechanismException