lazyj
Class DateFileWatchdog

java.lang.Object
  java.util.Observable
      lazyj.DateFileWatchdog

public final class DateFileWatchdog
extends java.util.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

DateFileWatchdog(java.io.File f, long howOften)
Create a watcher for a given file

DateFileWatchdog(java.lang.String fileName, long howOften)
Create a watcher for a given file name

Method Summary

protected void	finalize()
java.io.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 Detail

DateFileWatchdog

public DateFileWatchdog(java.lang.String fileName,
                        long howOften)
                 throws java.lang.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:

java.lang.Exception

DateFileWatchdog

public DateFileWatchdog(java.io.File f,
                        long howOften)
                 throws java.lang.Exception

Create a watcher for a given file

Parameters:

f -

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

Throws:

java.lang.Exception

Method Detail

getFile

public java.io.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 java.lang.Throwable

Overrides:

finalize in class java.lang.Object

Throws:

java.lang.Throwable

setChanged

public void setChanged()

Overrides:

setChanged in class java.util.Observable