Files
TabooLib/src/main/java/com/ilummc/tlib/inject/TConfigWatcher.java
2018-04-06 15:09:36 +08:00

60 lines
1.9 KiB
Java

package com.ilummc.tlib.inject;
import com.ilummc.tlib.TLib;
import org.apache.commons.lang3.tuple.Triple;
import java.io.File;
import java.io.IOException;
import java.nio.file.*;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.function.Consumer;
public class TConfigWatcher {
private ScheduledExecutorService service = Executors.newScheduledThreadPool(1);
private Map<WatchService, Triple<File, Object, Consumer<Object>>> map = new HashMap<>();
public TConfigWatcher() {
service.scheduleAtFixedRate(() -> {
map.forEach((service, triple) -> {
WatchKey key;
while ((key = service.poll()) != null) {
for (WatchEvent<?> watchEvent : key.pollEvents()) {
if (triple.getLeft().getName().equals(Objects.toString(watchEvent.context())))
triple.getRight().accept(triple.getMiddle());
}
key.reset();
}
});
}, 1000, 100, TimeUnit.MILLISECONDS);
}
public void addOnListen(File file, Object obj, Consumer<Object> consumer) {
try {
WatchService service = FileSystems.getDefault().newWatchService();
file.getParentFile().toPath().register(service, StandardWatchEventKinds.ENTRY_MODIFY);
map.put(service, Triple.of(file, obj, consumer));
} catch (IOException e) {
e.printStackTrace();
}
}
public void unregisterAll() {
service.shutdown();
map.forEach((service, pair) -> {
try {
service.close();
} catch (IOException e) {
e.printStackTrace();
}
});
}
}