Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.nio.file.StandardWatchEventKinds;

import java.io.IOException;
import java.nio.file.FileSystems;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.WatchEvent;
import java.nio.file.WatchEvent.Kind;
import java.nio.file.WatchKey;
import java.nio.file.WatchService;

public class Main {
    public static void main(String[] args) {
        try (WatchService ws = FileSystems.getDefault().newWatchService()) {
            Path dirToWatch = Paths.get("C:\\myName");
            dirToWatch.register(ws, StandardWatchEventKinds.ENTRY_CREATE, StandardWatchEventKinds.ENTRY_MODIFY,
                    StandardWatchEventKinds.ENTRY_DELETE);
            while (true) {
                WatchKey key = ws.take();
                for (WatchEvent<?> event : key.pollEvents()) {
                    Kind<?> eventKind = event.kind();
                    if (eventKind == StandardWatchEventKinds.OVERFLOW) {
                        System.out.println("Event  overflow occurred");
                        continue;
                    }
                    WatchEvent<Path> currEvent = (WatchEvent<Path>) event;
                    Path dirEntry = currEvent.context();
                    System.out.println(eventKind + "  occurred on  " + dirEntry);
                }
                boolean isKeyValid = key.reset();
                if (!isKeyValid) {
                    System.out.println("No  longer  watching " + dirToWatch);
                    break;
                }
            }
        } catch (IOException | InterruptedException e) {
            e.printStackTrace();
        }
    }
}