org.jppf.utils.streams
Class NotifyingInputStream

java.lang.Object
  java.io.InputStream
      org.jppf.utils.streams.NotifyingInputStream

All Implemented Interfaces:

Closeable

public class NotifyingInputStream
extends InputStream

Input stream that delegates read aand skip operations to an underlying stream, and sends notifications of how many bytes were read or skipped via a callback.

Author:

Laurent Cohen

See Also:

NotifyingStreamCallback, NotifyingOutputStream

Constructor Summary

NotifyingInputStream(InputStream delegate, NotifyingStreamCallback callback)
Initialize this stream with the specified input stream.

Method Summary

void	close()
int	read()
int	read(byte[] b)
int	read(byte[] b, int off, int len)
long	skip(long n)

Methods inherited from class java.io.InputStream

available, mark, markSupported, reset

Methods inherited from class java.lang.Object

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

Constructor Detail

NotifyingInputStream

public NotifyingInputStream(InputStream delegate,
                            NotifyingStreamCallback callback)

Initialize this stream with the specified input stream.

Parameters:

delegate - the input stream to which operations are delegated.

callback - the callback to notify of stream operations.

Method Detail

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

read

public int read(byte[] b)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException

read

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

Overrides:

read in class InputStream

Throws:

IOException

skip

public long skip(long n)
          throws IOException

Overrides:

skip in class InputStream

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Overrides:

close in class InputStream

Throws:

IOException