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NotifyingBufferedInputStream (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 NotifyingBufferedInputStream

java.lang.Object
  java.io.InputStream
      java.io.FilterInputStream
          java.io.BufferedInputStream
              org.jboss.util.stream.NotifyingBufferedInputStream

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public class NotifyingBufferedInputStream

extends BufferedInputStream

A buffered input stream that notifies every "chunk"

Version:

$Revision: 1.2 $

Author:

Adrian Brock

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Field Summary

 

Fields inherited from class java.io.BufferedInputStream

buf, count, marklimit, markpos, pos

 

Fields inherited from class java.io.FilterInputStream

in

 

Constructor Summary

NotifyingBufferedInputStream(InputStream is, int size, int chunkSize, StreamListener listener)           Construct a notifying buffered inputstream.

 

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

 

Methods inherited from class java.io.BufferedInputStream

available, close, mark, markSupported, reset, skip

 

Methods inherited from class java.io.FilterInputStream

read

 

Methods inherited from class java.lang.Object

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

 

Constructor Detail

NotifyingBufferedInputStream

public NotifyingBufferedInputStream(InputStream is,
                                    int size,
                                    int chunkSize,
                                    StreamListener listener)

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

Parameters:

is - the input stream to be buffered

size - the buffer size

chunkSize - the chunk size

listener - the listener to notify

Throws:

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

Method Detail

setStreamListener

public void setStreamListener(StreamListener listener)

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read

public int read()
         throws IOException

Throws:

IOException

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read

public int read(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 read

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