BareBonesBrowserLaunch.java

package com.compomics.util.examples;

/////////////////////////////////////////////////////////
//  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  //
/////////////////////////////////////////////////////////
import java.lang.reflect.Method;
import javax.swing.JOptionPane;

/**
 * Class that makes it possible to open a URL in the default browser.
 */
public class BareBonesBrowserLaunch {

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

    /**
     * Tries to opens the given URL in the default browser.
     *
     * @param url the URL to open
     */
    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(),
                    "Web Page Not Available", JOptionPane.ERROR_MESSAGE);

            e.printStackTrace();
        }
    }
}