Module ilusr.core

Package ilusr.core.io

Class DirectoryWatcher

java.lang.Object

ilusr.core.io.DirectoryWatcher

public class DirectoryWatcher
extends Object

Author:

Jeff Riggle

Constructor Summary

Constructors

Constructor	Description
DirectoryWatcher(String dir)

Method Summary

Modifier and Type	Method	Description
void	startWatching(IDirectoryListener listener)	Starts watching for directory updates an notifies any registered @see IDirectoryListeners when changes occur.
void	stopWatching(IDirectoryListener listener)	Stops a @see core.io.IDirectoryListener from geting updates about this directory.
String	watchedDirectory()

Methods inherited from class java.lang.Object

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

Constructor Detail

DirectoryWatcher

public DirectoryWatcher(String dir)
                 throws IOException

Parameters:

dir - The directory to watch.

Throws:

IOException

Method Detail

startWatching

public void startWatching(IDirectoryListener listener)
                   throws IOException

Starts watching for directory updates an notifies any registered @see IDirectoryListeners when changes occur.

Parameters:

listener - The @see core.io.IDirectoryListener to be updated when directory modification occur.

Throws:

IOException

watchedDirectory

public String watchedDirectory()

Returns:

The directory this watcher is watching.

stopWatching

public void stopWatching(IDirectoryListener listener)

Stops a @see core.io.IDirectoryListener from geting updates about this directory.

Note: Once all @see core.io.IDirectoryListeners are not watching this the directory watch is torn down.

Parameters:

listener - A @see core.io.IDirectoryListener to no longer get updates.