com.jniwrapper.unix.system.io

Class FileSystemWatcher

java.lang.Object

com.jniwrapper.unix.system.io.FileSystemWatcher

public class FileSystemWatcher
extends java.lang.Object

FileSystemWatcher class is designed to listen for file system events in a specified folder with various watching parameters.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	FileSystemWatcher.WatcherOptions WatcherOptions class determinates a set of properties that can configure the behavior of FileSystemWatcher

Constructor Summary

Constructors

Constructor and Description
FileSystemWatcher(java.io.File folder) Create a new instance to watch for modifications in a given folder.
FileSystemWatcher(java.io.File folder, boolean watchSubtree) Create a new instance to watch for modifications in a given folder.
FileSystemWatcher(java.io.File folder, java.io.FileFilter fileFilter) Create a new instance to watch for modifications in a given folder.
FileSystemWatcher(java.io.File folder, java.io.FileFilter fileFilter, boolean watchSubtree) Create a new instance to watch for modifications in a given folder.
FileSystemWatcher(java.lang.String folder) Create a new instance to watch for modifications in a given folder.
FileSystemWatcher(java.lang.String folder, boolean watchSubtree) Create a new instance to watch for modifications in a given folder.
FileSystemWatcher(java.lang.String folder, java.io.FileFilter fileFilter) Create a new instance to watch for modifications in a given folder.
FileSystemWatcher(java.lang.String folder, java.io.FileFilter fileFilter, boolean watchSubtree) Create a new instance to watch for modifications in a given folder.

Method Summary

Modifier and Type	Method and Description
void	addFileSystemListener(FileSystemEventListener listener) Adds FileSystemEventListener
java.io.FileFilter	getFileFilter()
FileSystemWatcher.WatcherOptions	getOptions()
java.io.File	getWatchedFolder()
boolean	isWatching()
boolean	isWatchSubtree()
static void	main(java.lang.String[] args)
void	removeFileSystemListener(FileSystemEventListener listener) Removes FileSystemEventListener
void	start() Starts watching.
void	stop() Stops watching.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileSystemWatcher

public FileSystemWatcher(java.io.File folder)

Create a new instance to watch for modifications in a given folder. Sub-directories of the specified folder are not monitored.

Parameters:

folder - to watch

FileSystemWatcher

public FileSystemWatcher(java.io.File folder,
                         java.io.FileFilter fileFilter,
                         boolean watchSubtree)

Create a new instance to watch for modifications in a given folder.

Parameters:

folder - folder to watch

fileFilter - specifies the files/folders to be watched

watchSubtree - tells watcher to watch or not folder's subtree

FileSystemWatcher

public FileSystemWatcher(java.io.File folder,
                         java.io.FileFilter fileFilter)

Create a new instance to watch for modifications in a given folder.

Parameters:

folder - to watch

fileFilter - specifies the files/folders to be watched

FileSystemWatcher

public FileSystemWatcher(java.io.File folder,
                         boolean watchSubtree)

Create a new instance to watch for modifications in a given folder.

Parameters:

folder - to watch

watchSubtree - tells watcher to watch or not folder's subtree

FileSystemWatcher

public FileSystemWatcher(java.lang.String folder)

Create a new instance to watch for modifications in a given folder. Sub-directories of the specified folder are not monitored.

Parameters:

folder - to watch

FileSystemWatcher

public FileSystemWatcher(java.lang.String folder,
                         java.io.FileFilter fileFilter,
                         boolean watchSubtree)

Create a new instance to watch for modifications in a given folder.

Parameters:

folder - folder to watch

fileFilter - specifies the files/folders to be watched

watchSubtree - tells watcher to watch or not folder's subtree

FileSystemWatcher

public FileSystemWatcher(java.lang.String folder,
                         java.io.FileFilter fileFilter)

Create a new instance to watch for modifications in a given folder.

Parameters:

folder - to watch

fileFilter - specifies the files/folders to be watched

FileSystemWatcher

public FileSystemWatcher(java.lang.String folder,
                         boolean watchSubtree)

Create a new instance to watch for modifications in a given folder.

Parameters:

folder - to watch

watchSubtree - tells watcher to watch or not folder's subtree

Method Detail

getWatchedFolder

public java.io.File getWatchedFolder()

Returns:

watched folder

getFileFilter

public java.io.FileFilter getFileFilter()

Returns:

file filter

isWatchSubtree

public boolean isWatchSubtree()

Returns:

true if watcher is configured to watch subtree, otherwise false

getOptions

public FileSystemWatcher.WatcherOptions getOptions()

Returns:

FileSystemWatcher.WatcherOptions that contains set of notify filters

isWatching

public boolean isWatching()

Returns:

true if watcher is watching specified folder, otherwise false

addFileSystemListener

public void addFileSystemListener(FileSystemEventListener listener)

Adds FileSystemEventListener

Parameters:

listener -

removeFileSystemListener

public void removeFileSystemListener(FileSystemEventListener listener)

Removes FileSystemEventListener

Parameters:

listener -

start

public void start()

Starts watching.

stop

public void stop()

Stops watching.

main

public static void main(java.lang.String[] args)