Java com cara de WindowsXP - setLookAndFeel

import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;

import com.jgoodies.looks.plastic.PlasticXPLookAndFeel;
import com.jgoodies.looks.plastic.theme.BrownSugar;
import com.jgoodies.looks.plastic.theme.LightGray;
import com.jgoodies.looks.plastic.theme.SkyRed;

class PlafPanel extends JPanel implements ActionListener {
	
	private static final long serialVersionUID = 1L;

	public PlafPanel() {
		plastic3d = new JButton("Plastic 3D");
		plasticWindows = new JButton("Windows");
		plastic = new JButton("Plastic");
		platifXp = new JButton("Windows XP");

		add(plastic3d);
		add(plasticWindows);
		add(plastic);
		add(platifXp);

		plastic3d.addActionListener(this);
		plasticWindows.addActionListener(this);
		plastic.addActionListener(this);
		platifXp.addActionListener(this);
	}

	public void actionPerformed(ActionEvent evt) {
		Object source = evt.getSource();
		String plaf = "";
		if (source == platifXp) {
			PlasticXPLookAndFeel.setPlasticTheme(new LightGray());
			plaf = "com.jgoodies.looks.plastic.PlasticXPLookAndFeel";
		} else if (source == plastic) {
			PlasticXPLookAndFeel.setPlasticTheme(new BrownSugar());
			plaf = "com.jgoodies.looks.plastic.PlasticLookAndFeel";
		} else if (source == plasticWindows) {
			plaf = "com.sun.java.swing.plaf.windows.WindowsLookAndFeel";
		} else if (source == plastic3d) {
			PlasticXPLookAndFeel.setPlasticTheme(new SkyRed());
			plaf = "com.jgoodies.looks.plastic.Plastic3DLookAndFeel";
		}

		try {
			UIManager.setLookAndFeel(plaf);
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		} catch (InstantiationException e) {
			e.printStackTrace();
		} catch (IllegalAccessException e) {
			e.printStackTrace();
		} catch (UnsupportedLookAndFeelException e) {
			e.printStackTrace();
		}
		SwingUtilities.updateComponentTreeUI(this);

	}

	private JButton plastic3d;

	private JButton plasticWindows;

	private JButton plastic;

	private JButton platifXp;
}

class PlafFrame extends JFrame {
	private static final long serialVersionUID = 1L;

	public PlafFrame() {
		this.setTitle("Test JGoodies");
		this.setSize(400, 300);
		this.setLocationRelativeTo(null);
		addWindowListener(new WindowAdapter() {
			public void windowClosing(WindowEvent e) {
				System.exit(0);
			}
		});

		Container contentPane = getContentPane();
		contentPane.add(new PlafPanel());
	}

	public static void main(String[] args) {
		JFrame frame = new PlafFrame();
		frame.setVisible(true);
	}
}