public void displayImage()
	{

		System.out.println("displayImage: " + this.imgPath);
		ImageIcon picture = new ImageIcon(imgPath);
		label = new JLabel("", picture, JLabel.CENTER);

		JFrame frame = new JFrame() ;
		frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
		frame.setTitle(this.imgPath);
		JScrollPane scrollPane = new JScrollPane(label) ;
		scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
		scrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
		frame.add(scrollPane,BorderLayout.CENTER) ;
		frame.pack();
		frame.setVisible(true);
	}

	public void decodeImage(String img)
	{
		try
		{
			Date date = new Date();
			DateFormat df = new SimpleDateFormat("MMddyyhhmmss");

			this.imgPath = folder+"/"+df.format(date)+".jpg";
			System.out.println("decodeImage: " + this.imgPath);
			Decoder decoder = Base64.getDecoder();
			byte[] decodedBytes = decoder.decode(img);
			FileOutputStream fos;
			fos = new FileOutputStream(imgPath);
			fos.write(decodedBytes);
			fos.close();
		}
		catch (IOException e)
		{
			System.out.println("errore nella decodifica dell'immagine");
			e.printStackTrace();
		}
	}