package com.itmill.toolkit.launcher.util;

import java.io.IOException;

/**
 * This class opens default browser for ITMillDesktopLaunch class. Default
 * browser is detected by the operating system.
 * 
 */
public class BrowserLauncher {

    /**
     * Open browser on specified URL.
     * 
     * @param url
     */
    public static void openBrowser(String url) {

        Runtime runtime = Runtime.getRuntime();
        boolean started = false;

        String os = System.getProperty("os.name", "windows").toLowerCase();

        // Linux
        if (os.indexOf("linux") >= 0) {

            // Try x-www-browser
            if (!started) {
                try {
                    runtime.exec("x-www-browser " + url);
                    started = true;
                } catch (IOException e) {
                }
            }

            // Try firefox
            if (!started) {
                try {
                    runtime.exec("firefox " + url);
                    started = true;
                } catch (IOException e) {
                }
            }

            // Try mozilla
            if (!started) {
                try {
                    runtime.exec("mozilla " + url);
                    started = true;
                } catch (IOException e) {
                }
            }

            // Try konqueror
            if (!started) {
                try {
                    runtime.exec("konqueror " + url);
                    started = true;
                } catch (IOException e) {
                }
            }
        }

        // OS X
        if (os.indexOf("mac os x") >= 0) {

            // Try open
            if (!started) {
                try {
                    runtime.exec("open " + url);
                    started = true;
                } catch (IOException e) {
                }
            }
        }

        // Try cmd /start command on windows
        if (os.indexOf("win") >= 0) {
            if (!started) {
                try {
                    runtime.exec("cmd /c start " + url);
                    started = true;
                } catch (IOException e) {
                }
            }
        }

        if (!started) {
            System.out.println("Failed to open browser. Please go to " + url);
        }
    }

}