package org.uweschmidt.wiimote.whiteboard.util;

import java.lang.reflect.Method;

import javax.swing.JOptionPane;

/////////////////////////////////////////////////////////
//  Bare Bones Browser Launch                          //
//  Version 1.5 (December 10, 2005)                    //
//  By Dem Pilafian                                    //
//  Supports: Mac OS X, GNU/Linux, Unix, Windows XP    //
//  Example Usage:                                     //
//     String url = "http://www.centerkey.com/";       //
//     BareBonesBrowserLaunch.openURL(url);            //
//  Public Domain Software -- Free to Use as You Like  //
/////////////////////////////////////////////////////////
public class BareBonesBrowserLaunch {

	private static final String errMsg = "Error attempting to launch web browser";

	public static void openURL(String url) {
		String osName = System.getProperty("os.name");
		try {
			if (osName.startsWith("Mac OS")) {
				Class<?> fileMgr = Class.forName("com.apple.eio.FileManager");
				Method openURL = fileMgr.getDeclaredMethod("openURL", new Class[] { String.class });
				openURL.invoke(null, new Object[] { url });
			} else if (osName.startsWith("Windows"))
				Runtime.getRuntime().exec("rundll32 url.dll,FileProtocolHandler " + url);
			else { //assume Unix or Linux
				String[] browsers = { "firefox", "opera", "konqueror", "epiphany", "mozilla", "netscape" };
				String browser = null;
				for (int count = 0; count < browsers.length && browser == null; count++)
					if (Runtime.getRuntime().exec(new String[] { "which", browsers[count] }).waitFor() == 0)
						browser = browsers[count];
				if (browser == null)
					throw new Exception("Could not find web browser");
				else
					Runtime.getRuntime().exec(new String[] { browser, url });
			}
		} catch (Exception e) {
			JOptionPane.showMessageDialog(null, errMsg + ":\n" + e.getLocalizedMessage());
		}
	}

}