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NotifyingBufferedOutputStream (JBoss/Common API) - JBoss 4.0.1 sp1 common API Documentation 英文版文档

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org.jboss.util.stream
Class NotifyingBufferedOutputStream

java.lang.Object
  java.io.OutputStream
      java.io.FilterOutputStream
          java.io.BufferedOutputStream
              org.jboss.util.stream.NotifyingBufferedOutputStream

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public class NotifyingBufferedOutputStream

extends BufferedOutputStream

A buffered output stream that notifies every "chunk"

Version:

$Revision: 1.2 $

Author:

Adrian Brock

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Field Summary

 

Fields inherited from class java.io.BufferedOutputStream

buf, count

 

Fields inherited from class java.io.FilterOutputStream

out

 

Constructor Summary

NotifyingBufferedOutputStream(OutputStream os, int size, int chunkSize, StreamListener listener)           Construct a notifying buffered outputstream. The listener is notified once every chunk.

 

Method Summary
void	checkNotification(int result)           Checks whether a notification is required and notifies as appropriate
void	setStreamListener(StreamListener listener)
void	write(byte[] b, int off, int len)
void	write(int b)

 

Methods inherited from class java.io.BufferedOutputStream

flush

 

Methods inherited from class java.io.FilterOutputStream

close, write

 

Methods inherited from class java.lang.Object

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

 

Constructor Detail

NotifyingBufferedOutputStream

public NotifyingBufferedOutputStream(OutputStream os,
                                     int size,
                                     int chunkSize,
                                     StreamListener listener)

Construct a notifying buffered outputstream.
The listener is notified once every chunk.

Parameters:

os - the output stream to be buffered

size - the buffer size

chunkSize - the chunk size

Throws:

IllegalArgumentException - for a size <= 0 or chunkSize <= size or a null listener

Method Detail

setStreamListener

public void setStreamListener(StreamListener listener)

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write

public void write(int b)
           throws IOException

Throws:

IOException

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write

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

Throws:

IOException

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checkNotification

public void checkNotification(int result)

Checks whether a notification is required and notifies as appropriate

Parameters:

result - the number of bytes written

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