Package org.springframework.boot.devtools.filewatch

Class FileSystemWatcher

java.lang.Object

org.springframework.boot.devtools.filewatch.FileSystemWatcher

public class FileSystemWatcher
extends Object

Watches specific directories for file changes.

Since:

1.3.0

Author:

Andy Clement, Phillip Webb

See Also:

• FileChangeListener

Constructor Summary

Constructors

Constructor	Description
FileSystemWatcher()	Create a new FileSystemWatcher instance.
FileSystemWatcher(boolean daemon, Duration pollInterval, Duration quietPeriod)	Create a new FileSystemWatcher instance.
FileSystemWatcher(boolean daemon, Duration pollInterval, Duration quietPeriod, SnapshotStateRepository snapshotStateRepository)	Create a new FileSystemWatcher instance.

Method Summary

Modifier and Type	Method	Description
void	addListener(FileChangeListener fileChangeListener)	Add listener for file change events.
void	addSourceDirectories(Iterable<File> directories)	Add source directories to monitor.
void	addSourceDirectory(File directory)	Add a source directory to monitor.
void	setTriggerFilter(FileFilter triggerFilter)	Set an optional FileFilter used to limit the files that trigger a change.
void	start()	Start monitoring the source directory for changes.
void	stop()	Stop monitoring the source directories.

Methods inherited from class java.lang.Object

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

Constructor Details

FileSystemWatcher

public FileSystemWatcher()

Create a new FileSystemWatcher instance.

FileSystemWatcher

public FileSystemWatcher(boolean daemon,
 Duration pollInterval,
 Duration quietPeriod)

Create a new FileSystemWatcher instance.

Parameters:

daemon - if a daemon thread used to monitor changes

pollInterval - the amount of time to wait between checking for changes

quietPeriod - the amount of time required after a change has been detected to ensure that updates have completed

FileSystemWatcher

public FileSystemWatcher(boolean daemon,
 Duration pollInterval,
 Duration quietPeriod,
 SnapshotStateRepository snapshotStateRepository)

Create a new FileSystemWatcher instance.

Parameters:

daemon - if a daemon thread used to monitor changes

pollInterval - the amount of time to wait between checking for changes

quietPeriod - the amount of time required after a change has been detected to ensure that updates have completed

snapshotStateRepository - the snapshot state repository

Since:

2.4.0

Method Details

addListener

public void addListener(FileChangeListener fileChangeListener)

Add listener for file change events. Cannot be called after the watcher has been started.

Parameters:

fileChangeListener - the listener to add

addSourceDirectories

public void addSourceDirectories(Iterable<File> directories)

Add source directories to monitor. Cannot be called after the watcher has been started.

Parameters:

directories - the directories to monitor

addSourceDirectory

public void addSourceDirectory(File directory)

Add a source directory to monitor. Cannot be called after the watcher has been started.

Parameters:

directory - the directory to monitor

setTriggerFilter

public void setTriggerFilter(FileFilter triggerFilter)

Set an optional FileFilter used to limit the files that trigger a change.

Parameters:

triggerFilter - a trigger filter or null

start

public void start()

Start monitoring the source directory for changes.

stop

public void stop()

Stop monitoring the source directories.