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Common Configuration library for the yildiz project, contains utilities to handle configuration.
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/*
This file is part of the Yildiz-Engine project, licenced under the MIT License (MIT)
Copyright (c) 2019-2024 Grégory Van den Borre
More infos available: https://engine.yildiz-games.be
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
documentation files (the "Software"), to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright
notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package be.yildizgames.common.configuration;
import be.yildizgames.common.configuration.logger.PreLogger;
import java.io.IOException;
import java.nio.file.FileSystems;
import java.nio.file.Path;
import java.nio.file.WatchKey;
import java.nio.file.WatchService;
import static java.nio.file.StandardWatchEventKinds.ENTRY_MODIFY;
/**
* @author Grégory Van den Borre
*/
public class FileReloadableConfiguration {
private final Path path;
private final ConfigurationReloadedBehavior behavior;
public FileReloadableConfiguration(Path configPath, ConfigurationReloadedBehavior behavior) {
super();
this.path = configPath;
this.behavior = behavior;
}
void inspect() {
inspect(Integer.MAX_VALUE);
}
void inspect(int max) {
new Thread(new Reloader(max)).start();
}
private class Reloader implements Runnable {
private final int max;
public Reloader(int max) {
this.max = max;
}
@Override
public void run() {
try {
int current = 0;
WatchService watcher = FileSystems.getDefault().newWatchService();
path.getParent().register(watcher, ENTRY_MODIFY);
try {
WatchKey key;
while (current < this.max && (key = watcher.take()) != null) {
key.pollEvents().forEach(e -> behavior.reload());
key.reset();
current++;
}
} catch (InterruptedException x) {
Thread.currentThread().interrupt();
}
} catch(IOException e){
new PreLogger().error("", e);
}
}
}
}
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