org.openstreetmap.josm.io

Class FileWatcher

java.lang.Object

org.openstreetmap.josm.io.FileWatcher

public class FileWatcher
extends java.lang.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 java.util.Map<java.nio.file.Path,SourceEntry>	ruleMap
private java.util.Map<java.nio.file.Path,StyleSource>	styleMap
private java.nio.file.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, java.util.Map<java.nio.file.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.

Methods inherited from class java.lang.Object

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

Field Detail

watcher

private java.nio.file.WatchService watcher

styleMap

private final java.util.Map<java.nio.file.Path,StyleSource> styleMap

ruleMap

private final java.util.Map<java.nio.file.Path,SourceEntry> ruleMap

Constructor Detail

FileWatcher

public FileWatcher()

Constructs a new FileWatcher.

Method Detail

registerStyleSource

public void registerStyleSource(StyleSource style)
                         throws java.io.IOException

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

Parameters:

style - The style to watch

Throws:

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

java.lang.IllegalStateException - if the watcher service failed to start

java.io.IOException - if an I/O error occurs

registerValidatorRule

public void registerValidatorRule(SourceEntry rule)
                           throws java.io.IOException

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

Parameters:

rule - The rule to watch

Throws:

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

java.lang.IllegalStateException - if the watcher service failed to start

java.io.IOException - if an I/O error occurs

Since:

7276

register

private <T extends SourceEntry> void register(T obj,
                                              java.util.Map<java.nio.file.Path,T> map)
                                       throws java.io.IOException

Throws:

java.io.IOException

processEvents

private void processEvents()

Process all events for the key queued to the watcher.