org.openstreetmap.josm.io

Class FileWatcher

java.lang.Object

org.openstreetmap.josm.io.FileWatcher

public class FileWatcher
extends Object

Background thread that monitors certain files and perform relevant actions when they change.

Since:

7185

Field Summary

Fields

Modifier and Type	Field and Description
private Map<Path,SourceEntry>	ruleMap
private Map<Path,StyleSource>	styleMap
private Thread	thread
private WatchService	watcher

Constructor Summary

Constructors

Constructor and Description
FileWatcher() Constructs a new FileWatcher.

Method Summary

Modifier and Type	Method and Description
private void	processEvents() Process all events for the key queued to the watcher.
private <T extends SourceEntry> void	register(T obj, Map<Path,T> map)
void	registerStyleSource(StyleSource style) Registers a map paint style for local file changes, allowing dynamic reloading.
void	registerValidatorRule(SourceEntry rule) Registers a validator rule for local file changes, allowing dynamic reloading.
void	start() Starts the File Watcher thread.

Methods inherited from class java.lang.Object

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

Field Detail

watcher

private WatchService watcher

thread

private Thread thread

styleMap

private final Map<Path,StyleSource> styleMap

ruleMap

private final Map<Path,SourceEntry> ruleMap

Constructor Detail

FileWatcher

public FileWatcher()

Constructs a new FileWatcher.

Method Detail

start

public final void start()

Starts the File Watcher thread.

registerStyleSource

public void registerStyleSource(StyleSource style)
                         throws IOException

Registers a map paint style for local file changes, allowing dynamic reloading.

Parameters:

style - The style to watch

Throws:

IllegalArgumentException - if style is null or if it does not provide a local file

IllegalStateException - if the watcher service failed to start

IOException - if an I/O error occurs

registerValidatorRule

public void registerValidatorRule(SourceEntry rule)
                           throws IOException

Registers a validator rule for local file changes, allowing dynamic reloading.

Parameters:

rule - The rule to watch

Throws:

IllegalArgumentException - if rule is null or if it does not provide a local file

IllegalStateException - if the watcher service failed to start

IOException - if an I/O error occurs

Since:

7276

register

private <T extends SourceEntry> void register(T obj,
                                              Map<Path,T> map)
                                       throws IOException

Throws:

IOException

processEvents

private void processEvents()

Process all events for the key queued to the watcher.