net.sf.mmm.util.io.base
Class StreamUtilImpl.StreamTransferrer

java.lang.Object
  net.sf.mmm.util.io.base.StreamUtilImpl.AbstractAsyncTransferrer
      net.sf.mmm.util.io.base.StreamUtilImpl.BaseTransferrer
          net.sf.mmm.util.io.base.StreamUtilImpl.StreamTransferrer

All Implemented Interfaces:

Callable<Long>, Stoppable

Enclosing class:

StreamUtilImpl

protected class StreamUtilImpl.StreamTransferrer
extends StreamUtilImpl.BaseTransferrer

This inner class is used to transfer an InputStream to an OutputStream.

Field Summary

private OutputStream	destination The destination to write to.
private boolean	keepDestinationOpen true if destination should be closed.
private InputStream	source The source to read from (to copy).

Constructor Summary

StreamUtilImpl.StreamTransferrer(InputStream source, OutputStream destination, boolean keepDestinationOpen, TransferCallback callback)
The constructor.

Method Summary

long	transfer() This method performs the actual transfer.

Methods inherited from class net.sf.mmm.util.io.base.StreamUtilImpl.BaseTransferrer

call

Methods inherited from class net.sf.mmm.util.io.base.StreamUtilImpl.AbstractAsyncTransferrer

isCompleted, isStopped, setCompleted, stop

Methods inherited from class java.lang.Object

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

Field Detail

source

private final InputStream source

The source to read from (to copy).

destination

private final OutputStream destination

The destination to write to.

keepDestinationOpen

private final boolean keepDestinationOpen

true if destination should be closed.

Constructor Detail

StreamUtilImpl.StreamTransferrer

public StreamUtilImpl.StreamTransferrer(InputStream source,
                                        OutputStream destination,
                                        boolean keepDestinationOpen,
                                        TransferCallback callback)

The constructor.

Parameters:

source - is InputStream to read from.

destination - the OutputStream to write to.

keepDestinationOpen - true if the destination should be closed.

callback - is the callback or null.

See Also:

StreamUtilImpl.transfer(InputStream, OutputStream, boolean)

Method Detail

transfer

public long transfer()
              throws IOException

This method performs the actual transfer.

Specified by:

transfer in class StreamUtilImpl.BaseTransferrer

Returns:

the number of bytes that have been transferred.

Throws:

IOException - if the transfer failed.