org.jboss.util.stream
Class NotifyingBufferedInputStream

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

All Implemented Interfaces:

Closeable

public class NotifyingBufferedInputStream
extends BufferedInputStream

A buffered input stream that notifies every "chunk"

Version:

$Revision: 1.2.6.1 $

Author:

Adrian Brock

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)

read

public int read()
         throws IOException

Overrides:

read in class BufferedInputStream

Throws:

IOException

read

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

Overrides:

read in class BufferedInputStream

Throws:

IOException

checkNotification

public void checkNotification(int result)

Checks whether a notification is required and notifies as appropriate

Parameters:

result - the number of bytes read