58 lines
2.0 KiB
Java
58 lines
2.0 KiB
Java
package de.swingbe.mon_dir;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.IOException;
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import java.nio.file.*;
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public class Main {
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public final static Logger LOG = LoggerFactory.getLogger(Main.class);
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private static final String FOLDER = "/opt/npm";
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public static void main(String[] args) throws IOException,
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InterruptedException {
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LOG.trace("app started...");
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Path folderPath = Paths.get(FOLDER);
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LOG.debug("folderPath: " + folderPath);
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//obtain WatchService instance using FileSystems class
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WatchService watchService = FileSystems.getDefault().newWatchService();
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//register a Path instance for events using a WatchService instance
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folderPath.register(watchService, StandardWatchEventKinds.ENTRY_CREATE,
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StandardWatchEventKinds.ENTRY_MODIFY,
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StandardWatchEventKinds.ENTRY_DELETE);
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boolean valid = true;
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do {
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WatchKey watchKey = watchService.take();
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for (WatchEvent event : watchKey.pollEvents()) {
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WatchEvent.Kind kind = event.kind();
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if (StandardWatchEventKinds.ENTRY_CREATE.equals(event.kind())) {
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String fileName = event.context().toString();
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LOG.debug("File created: " + fileName);
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} else if (StandardWatchEventKinds.ENTRY_MODIFY.equals(event.kind())) {
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Path context = (Path) event.context();
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String fileName = context.toString();
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LOG.debug("File modified: " + fileName);
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} else if (StandardWatchEventKinds.ENTRY_DELETE.equals(event.kind())) {
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String fileName = event.context().toString();
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LOG.debug("File deleted: " + fileName);
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} else {
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LOG.warn("Event unknown");
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}
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valid = watchKey.reset();
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}
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}
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while (valid);
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LOG.trace("app done.");
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}
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}
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