cd ~/Desktop
curl -L -O http://prdownloads.sourceforge.net/cocoadialog/CocoaDialog-2.1.1.dmg
hdiutil mount CocoaDialog-2.1.1.dmg
sudo mkdir -p /usr/local/bin
sudo ditto -rsrc /Volumes/CocoaDialog/CocoaDialog.app /usr/local/bin/CocoaDialog.app
sudo chown -R root:wheel /usr/local/bin/CocoaDialog.app
sudo chmod -R 0755 /usr/local/bin/CocoaDialog.app
hdiutil unmount /Volumes/CocoaDialog


alias cocoadialog=/usr/local/bin/CocoaDialog.app/Contents/MacOS/CocoaDialog

# cf. http://cocoadialog.sourceforge.net/examples/bubble.sh.txt
cocoadialog bubble --no-timeout --x-placement center --y-placement center --background-top "FF0000" --background-bottom "FF0066"  \
                   --icon-file /usr/local/bin/CocoaDialog.app/Contents/Resources/info.icns --title "News" --text '<message>'

package looksAndFeels;

import javax.swing.*;
import javax.swing.UIManager.*;
import java.awt.event.*;

public class ThemeChanger extends JFrame {

	ThemeChanger __instance;
	
	public ThemeChanger() {
		super("Swing Theme Changer");
		__instance = this;
		this.setSize(400, 200);
		
		JMenuBar appMenu = new JMenuBar();
		appMenu.add(makeLaFMenu());
		this.setJMenuBar(appMenu);
		
		this.setVisible(true);
	}
	
	private JMenu makeLaFMenu() {
		JMenuItem tempItem;
		JMenu lafMenu = new JMenu("Supported Themes");
		LookAndFeelInfo[] supportedLAFs = UIManager.getInstalledLookAndFeels();
		for (int ii = 0; ii < supportedLAFs.length; ii++) {
			LookAndFeelInfo currentLAF = supportedLAFs[ii];
			tempItem = new JMenuItem(currentLAF.getName());
			tempItem.setActionCommand(currentLAF.getClassName());
			tempItem.addActionListener(new myListener());
			lafMenu.add(tempItem);
		}
		
		return lafMenu;
	}
	
	class myListener implements ActionListener {

		public void actionPerformed(ActionEvent event) {
			try {
				UIManager.setLookAndFeel(event.getActionCommand());
			} catch (Exception e) {
				; // No exceptions will happen (barring some unforeseen catastrophe),
				  // because we only grabbed the supported LaF's.
			}
			SwingUtilities.updateComponentTreeUI(__instance);
		}
		
	}
	
	public static void main(String[] args) {
		new ThemeChanger();
	}

}