/*
 * SIP Communicator, the OpenSource Java VoIP and Instant Messaging client.
 *
 * Distributable under LGPL license.
 * See terms of license at gnu.org.
 */

package net.java.sip.communicator.impl.gui.utils;

// ///////////////////////////////////////////////////////
// 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 //
// ///////////////////////////////////////////////////////
/*
 * The content of this file was based on code borrowed from 
 * http://www.centerkey.com/.
 */
import java.lang.reflect.Method;
import javax.swing.JOptionPane;

/**
 * @author Yana Stamcheva
 */
public class BrowserLauncher {

    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());
        }
    }

}
