import java.awt.AWTException;
import java.awt.FlowLayout;
import java.awt.Image;
import java.awt.PopupMenu;
import java.awt.SystemTray;
import java.awt.TrayIcon;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.net.URL;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;

import com.apple.eawt.Application;

public class MacOSXDock {

    public MacOSXDock() {
        init();
    }

    private void init() {
        JButton butt = new JButton("Ende");
        butt.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                System.exit(0);
            }
        });
        PopupMenu menu = new PopupMenu("Application");
        menu.add("Test");
        menu.add("Test 2");
        // Dockmenu erzeugen
        new Thread() {
            public void run() {
                createDock(menu);
            }
        }.start();

        JFrame frame = new JFrame("Dock-Demo");
        frame.setLayout(new FlowLayout());
        frame.add(butt);
        frame.add(menu);
        frame.setSize(200, 80);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setLocationRelativeTo(null);
        frame.setVisible(true);
    }

    private Image loadImage(String fileName) {
        URL url = getClass().getClassLoader().getResource(fileName);
        return new ImageIcon(url).getImage();
    }

    private void createDock(PopupMenu menu) {
        // Image laden
        Image icon = loadImage("img/cent512.png");
        // Tray-Icon setzen
        SystemTray tray = SystemTray.getSystemTray();
        TrayIcon trayIcon = new TrayIcon(icon, "Tray Demo");
        try {
            tray.add(trayIcon);
        } catch (AWTException e1) {
        }

        Application app = Application.getApplication();
        // Dock-Icon setzen
        app.setDockIconImage(icon);
        // Menu zum Dock hinzufuegen
        app.setDockMenu(menu);
        // Badge (Dock-Icon-Marke) anzeigen
        int i = 1;
        while (i < 10) {
            app.setDockIconBadge(new Integer(i).toString());
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            i++;
        }
        // Badge ausblenden
        app.setDockIconBadge(null);
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(() -> new MacOSXDock());
    }
}