jetif.ext
Class Base64OutputStream

java.lang.Object
  java.io.OutputStream
      jetif.ext.Base64OutputStream

public class Base64OutputStream

extends OutputStream

A Base64OutputStream is an output stream for encoding data to Base64 encoding (see RFC2045). NOTICE: Don't forgot to call close() when all data was send, otherwise may cause data losing problem.

Author:

Vicky Wang

Constructor Summary

Base64OutputStream(Writer writer)
Construct from a underlying writer object.

Method Summary

void	close() Finish the encoding stream, output padding characters if needed, close the underlying writer.
void	finish() Finish the encoding stream, output padding characters if needed.
void	flush() Flush the underlying writer.
void	write(byte[] b, int off, int len)
void	write(int b) Output a byte to this output stream.

Methods inherited from class java.io.OutputStream

write

Methods inherited from class java.lang.Object

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

Constructor Detail

Base64OutputStream

public Base64OutputStream(Writer writer)

Construct from a underlying writer object. All encoded data will send to that writer.

Parameters:

writer - the writer to output the encoded data.

Method Detail

write

public void write(int b)
           throws IOException

Output a byte to this output stream.

Parameters:

b - the byte to be wrote, only lower 8 bits will be used.

Throws:

IOException - if I/O error occurs.

write

public void write(byte[] b,
                  int off,
                  int len)
           throws IOException

Throws:

IOException

finish

public void finish()
            throws IOException

Finish the encoding stream, output padding characters if needed. Call this method only if you want to finish the encoding while not close the underlying writer.

Throws:

IOException - if I/O error occurs.

close

public void close()
           throws IOException

Finish the encoding stream, output padding characters if needed, close the underlying writer.

Throws:

IOException - if I/O error occurs.

flush

public void flush()
           throws IOException

Flush the underlying writer.

Throws:

IOException