Package lazyj

Class DateFileWatchdog

java.lang.Object

java.util.Observable

lazyj.DateFileWatchdog

public final class DateFileWatchdog
extends Observable

This class monitors a specified File for a change and notifies back when the file on disk has changed. It is based on the last modification time of the file.

Constructor Summary

Constructors

Constructor	Description
DateFileWatchdog(File f, long howOften)	Create a watcher for a given file
DateFileWatchdog(String fileName, long howOften)	Create a watcher for a given file name

Method Summary

Modifier and Type	Method	Description
protected void	finalize()
File	getFile()	Get the file that is monitored for changes
void	setChanged()
void	stopIt()	Stop monitoring this file for changes

Methods inherited from class java.util.Observable

addObserver, clearChanged, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, notifyObservers

Methods inherited from class java.lang.Object

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

Constructor Details

DateFileWatchdog

public DateFileWatchdog(String fileName,
 long howOften)
                 throws Exception

Create a watcher for a given file name

Parameters:

fileName - path to the file to monitor

howOften - How often to verify for a change ( in millis )

Throws:

Exception

DateFileWatchdog

public DateFileWatchdog(File f,
 long howOften)
                 throws Exception

Create a watcher for a given file

Parameters:

f -

howOften - - How often to verify for a change ( in millis )

Throws:

Exception

Method Details

getFile

public File getFile()

Get the file that is monitored for changes

Returns:

the file that is monitored for changes

stopIt

public void stopIt()

Stop monitoring this file for changes

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable

setChanged

public void setChanged()

Overrides:

setChanged in class Observable