FileWatch (mhu-lib-core 3.6.1 API)

java.lang.Object
- java.util.TimerTask
- - de.mhus.lib.core.MTimerTask
  - - de.mhus.lib.core.MHousekeeperTask
    - - de.mhus.lib.core.io.FileWatch

All Implemented Interfaces:

de.mhus.lib.basics.Named, ITimerTask, Runnable
```
public class FileWatch
extends MHousekeeperTask
```

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static interface FileWatch.Listener

Field Summary
- Fields inherited from class de.mhus.lib.core.MTimerTask
  CANCELLED, environment, EXECUTED, SCHEDULED, UNKNOWN, VIRGIN

Constructor Summary

Constructors
Constructor	Description
`FileWatch(File fileToWatch, long period, boolean startHook, FileWatch.Listener listener)`	Watch a file or directory (one level!) against changes.
`FileWatch(File fileToWatch, FileWatch.Listener listener)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`checkFile()`
`protected void`	`doit()`
`FileWatch`	`doStart()`
`FileWatch`	`doStop()`
`File`	`getFile()`
`String`	`toString()`

Methods inherited from class de.mhus.lib.core.MHousekeeperTask
log

Methods inherited from class de.mhus.lib.core.MTimerTask
cancel, getName, getStatus, isCanceled, onError, onFinal, run, run, setCanceled, setName

Methods inherited from class java.util.TimerTask
scheduledExecutionTime

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail
- FileWatch
```
public FileWatch(File fileToWatch,
                 FileWatch.Listener listener)
```
- FileWatch
```
public FileWatch(File fileToWatch,
                 long period,
                 boolean startHook,
                 FileWatch.Listener listener)
```
  Watch a file or directory (one level!) against changes. Check the modify date to recognize a change. It has two ways to work: 1. Manual check, every time you use the file, call the checkFile() method. 2. Use of a timer.
  
  Parameters:
  
  fileToWatch -
  
  period -
  
  startHook -
  
  listener -

Method Detail

doStart
```
public FileWatch doStart()
```

doStop
```
public FileWatch doStop()
```

checkFile
```
public void checkFile()
```

getFile
```
public File getFile()
```

toString
```
public String toString()
```
Overrides:

toString in class Object

doit
```
protected void doit()
             throws Exception
```
Specified by:

doit in class MTimerTask

Throws:

Exception