sk.baka.ambient
Class NotifyingInputStream

java.lang.Object
  java.io.InputStream
      sk.baka.ambient.commons.CountingInputStream
          sk.baka.ambient.NotifyingInputStream

All Implemented Interfaces:

Closeable

public class NotifyingInputStream
extends CountingInputStream

Notifies periodically the BackgroundOpExecutor about its progress.

Author:

Martin Vysny

Field Summary

Fields inherited from class sk.baka.ambient.commons.CountingInputStream

blockLength

Constructor Summary

NotifyingInputStream(InputStream in, int length, int parts, String caption)

Method Summary

protected void	countEvent(long currentPosition) Invoked when the position
static InputStream	fromURL(URL url, int parts, String caption) Creates an input stream from given URL.

Methods inherited from class sk.baka.ambient.commons.CountingInputStream

available, close, getCurrentPosition, mark, markSupported, read, read, read, reset, skip

Methods inherited from class java.lang.Object

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

Constructor Detail

NotifyingInputStream

public NotifyingInputStream(InputStream in,
                            int length,
                            int parts,
                            String caption)

Parameters:

in - input stream

length - the length of the content.

parts - reports the progress parts times.

caption - the caption to set.

Method Detail

fromURL

public static InputStream fromURL(URL url,
                                  int parts,
                                  String caption)
                           throws IOException

Creates an input stream from given URL. If the url fails to supply content length then a simple buffered input stream is returned.

Parameters:

url - the URL to open.

parts - reports the progress parts times.

caption - the caption to set.

Returns:

the stream instance.

Throws:

IOException

countEvent

protected void countEvent(long currentPosition)

Description copied from class: CountingInputStream

Invoked when the position

Specified by:

countEvent in class CountingInputStream