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org.jboss.util.stream
Class NotifyingBufferedInputStream

java.lang.Object
  extended byjava.io.InputStream
      extended byjava.io.FilterInputStream
          extended byjava.io.BufferedInputStream
              extended byorg.jboss.util.stream.NotifyingBufferedInputStream
public class NotifyingBufferedInputStream
extends java.io.BufferedInputStream

A buffered input stream that notifies every "chunk"

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(java.io.InputStream is, int size, int chunkSize, StreamListener (src)  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 (src)  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(java.io.InputStream is,
                                    int size,
                                    int chunkSize,
                                    StreamListener (src)  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:
java.lang.IllegalArgumentException - for a size <= 0 or chunkSize <= size
Method Detail

setStreamListener

public void setStreamListener(StreamListener (src)  listener)

read

public int read()
         throws java.io.IOException
Throws:
java.io.IOException

read

public int read(byte[] b,
                int off,
                int len)
         throws java.io.IOException
Throws:
java.io.IOException

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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