package test;

import java.io.File;
import java.io.IOException;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.StandardWatchEventKinds;
import java.nio.file.WatchEvent;
import java.nio.file.WatchKey;
import java.nio.file.WatchService;
import java.util.List;


public class test3 {
	
	public static void main(String[] args) {
		System.out.println("Hello, World");
                Process process = null;
		new File("C:\\Users\\V\\Documents\\diplwmatiki\\temp").mkdir();
		System.out.println("To proswrino arxeio dimiourgithike");
		try {
			System.out.println("Opening notepad");
			Runtime runTime = Runtime.getRuntime();
			process = runTime.exec("C:\\Windows\\System32\\notepad.exe");
		}
		catch (IOException e) {
			e.printStackTrace();
			}
		
		//define a folder root
        Path myDir = Paths.get("C:\\Users\\V\\Documents\\diplwmatiki\\temp");       

        try {
           WatchService watcher = myDir.getFileSystem().newWatchService();
           myDir.register(watcher, StandardWatchEventKinds.ENTRY_CREATE, 
           StandardWatchEventKinds.ENTRY_DELETE, StandardWatchEventKinds.ENTRY_MODIFY);

           WatchKey watckKey = watcher.take();

           List<WatchEvent<?>> events = watckKey.pollEvents();
           for (WatchEvent event : events) {
                if (event.kind() == StandardWatchEventKinds.ENTRY_CREATE) {
                    System.out.println("Created: " + event.context().toString());
                }
                
                if (event.kind() == StandardWatchEventKinds.ENTRY_MODIFY) {
                    System.out.println("Modify: " + event.context().toString());
                }
            }
                      
            if (process != null) {
                process.destroy();
            }

        } 
        catch (Exception e) {
        	e.printStackTrace();
            }
      
        
		
		}
}