org.deegree.io.util
Class FileMonitor

java.lang.Object
  org.deegree.io.util.FileMonitor

public class FileMonitor
extends Object

Replaces inner class Reloader in AbstractOGCServlet.

Since:

2.0

Version:

2.0, $Revision: 6815 $, $Date: 2007-05-04 15:50:39 +0200 (Fr, 04 Mai 2007) $

Author:

Torsten Friebe , last edited by: $Author: apoth $

See Also:

AbstractOGCServlet, File.lastModified(), Java Tip 125

Nested Class Summary

(package private) class

FileMonitor.FileMonitorTask

Constructor Summary

protected

FileMonitor()

Method Summary

void	addFileChangeListener(FileChangeListener listener, String fileName, long period) Add a monitored file with a FileChangeListener.
protected void	fireFileChangeEvent(FileChangeListener listener, String fileName)
static FileMonitor	getInstance() Factory method to get singleton instance.
void	removeFileChangeListener(FileChangeListener listener, String fileName) Remove the listener from the notification list.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileMonitor

protected FileMonitor()

Method Detail

getInstance

public static FileMonitor getInstance()

Factory method to get singleton instance.

Returns:

addFileChangeListener

public void addFileChangeListener(FileChangeListener listener,
                                  String fileName,
                                  long period)
                           throws FileNotFoundException

Add a monitored file with a FileChangeListener.

Parameters:

listener - listener to notify when the file changed.

fileName - name of the file to monitor.

period - polling period in milliseconds.

Throws:

FileNotFoundException

removeFileChangeListener

public void removeFileChangeListener(FileChangeListener listener,
                                     String fileName)

Remove the listener from the notification list.

Parameters:

listener - the listener to be removed.

fireFileChangeEvent

protected void fireFileChangeEvent(FileChangeListener listener,
                                   String fileName)