org.mule.util.monitor

Class FileMonitor

java.lang.Object

org.mule.util.monitor.FileMonitor

public class FileMonitor
extends Object

Class for monitoring changes in disk files. Usage: 1. Implement the FileListener interface. 2. Create a FileMonitor instance. 3. Add the file(s)/directory(ies) to listen for. fileChanged() will be called when a monitored file is created, deleted or its modified time changes.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	FileMonitor.FileMonitorNotifier This is the timer thread which is executed every n milliseconds according to the setting of the file monitor.

Constructor Summary

Constructors

Constructor and Description
FileMonitor(long pollingInterval) Create a file monitor instance with specified polling interval.

Method Summary

Methods

Modifier and Type	Method and Description
void	addFile(File file) Add file to listen for.
void	addListener(FileListener fileListener) Add listener to this file monitor.
void	removeFile(File file) Remove specified file for listening.
void	removeListener(FileListener fileListener) Remove listener from this file monitor.
void	start()
void	stop() Stop the file monitor polling.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileMonitor

public FileMonitor(long pollingInterval)

Create a file monitor instance with specified polling interval.

Parameters:

pollingInterval - Polling interval in milli seconds.

Method Detail

stop

public void stop()

Stop the file monitor polling.

start

public void start()

addFile

public void addFile(File file)

Add file to listen for. File may be any java.io.File (including a directory) and may well be a non-existing file in the case where the creating of the file is to be trepped.

More than one file can be listened for. When the specified file is created, modified or deleted, listeners are notified.

Parameters:

file - File to listen for.

removeFile

public void removeFile(File file)

Remove specified file for listening.

Parameters:

file - File to remove.

addListener

public void addListener(FileListener fileListener)

Add listener to this file monitor.

Parameters:

fileListener - Listener to add.

removeListener

public void removeListener(FileListener fileListener)

Remove listener from this file monitor.

Parameters:

fileListener - Listener to remove.