Modifier and Type | Field and Description |
---|---|
protected byte[] |
decodingTable |
protected byte[] |
encodingTable |
protected byte |
padding |
Constructor and Description |
---|
Base64Encoder() |
Modifier and Type | Method and Description |
---|---|
int |
decode(byte[] data,
int off,
int length,
byte[] out)
decode the base 64 encoded byte data writing it to the provided byte array buffer.
|
int |
decode(byte[] data,
int off,
int length,
OutputStream out)
decode the base 64 encoded byte data writing it to the given output stream,
whitespace characters will be ignored.
|
int |
decode(String data,
OutputStream out)
decode the base 64 encoded String data writing it to the given output stream,
whitespace characters will be ignored.
|
int |
encode(byte[] data,
int off,
int length,
OutputStream out)
encode the input data producing a base 64 output stream.
|
void |
encode(InputStream in,
StringBuffer out,
int limit)
encode the input data producing a base 64 output stream.
|
void |
encodeWord(byte[] data,
StringBuffer out,
String charset)
Perform RFC-2047 word encoding using Base64 data encoding.
|
void |
encodeWord(InputStream in,
String charset,
OutputStream out,
boolean fold)
Perform RFC-2047 word encoding using Base64 data encoding.
|
void |
encodeWordData(byte[] data,
StringBuffer out)
encode the input data producing a base 64 output stream.
|
int |
estimateEncodedLength(byte[] data)
Estimate the final encoded size of a segment of data.
|
protected void |
initialiseDecodingTable() |
boolean |
isValidBase64(int ch)
Test if a character is a valid Base64 encoding character.
|
protected final byte[] encodingTable
protected byte padding
protected final byte[] decodingTable
protected void initialiseDecodingTable()
public int encode(byte[] data, int off, int length, OutputStream out) throws IOException
encode
in interface Encoder
IOException
public int decode(byte[] data, int off, int length, OutputStream out) throws IOException
decode
in interface Encoder
IOException
public int decode(String data, OutputStream out) throws IOException
decode
in interface Encoder
IOException
public int decode(byte[] data, int off, int length, byte[] out) throws IOException
IOException
public boolean isValidBase64(int ch)
ch
- The test character.public void encodeWord(InputStream in, String charset, OutputStream out, boolean fold) throws IOException
in
- The source for the encoded data.charset
- The charset tag to be added to each encoded data section.out
- The output stream where the encoded data is to be written.fold
- Controls whether separate sections of encoded data are separated by
linebreaks or whitespace.IOException
public void encodeWord(byte[] data, StringBuffer out, String charset) throws IOException
in
- The source for the encoded data.charset
- The charset tag to be added to each encoded data section.out
- The output stream where the encoded data is to be written.fold
- Controls whether separate sections of encoded data are separated by
linebreaks or whitespace.IOException
public void encodeWordData(byte[] data, StringBuffer out)
public void encode(InputStream in, StringBuffer out, int limit) throws IOException
IOException
public int estimateEncodedLength(byte[] data)
data
- The data we're anticipating encoding.Copyright © 2013. All rights reserved.