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Launch Browser in Mac, Linux, Unix

///////////////////////////////////////////////////////// //  Bare Bones Browser Launch                          // //  Version 1.5                                        // //  December 10, 2005                                  // //  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  // ///////////////////////////////////////////////////////// import java.lang.reflect.Method; import javax.swing.JOptionPane; 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());          }       }    }