/************************************************

    Copyright 2004,2005,2006,2007 Markus Gebhard, Jeff Chapman



    This file is part of BrowserLauncher2.



    BrowserLauncher2 is free software; you can redistribute it and/or modify

    it under the terms of the GNU Lesser General Public License as published by

    the Free Software Foundation; either version 2 of the License, or

    (at your option) any later version.



    BrowserLauncher2 is distributed in the hope that it will be useful,

    but WITHOUT ANY WARRANTY; without even the implied warranty of

    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    GNU Lesser General Public License for more details.



    You should have received a copy of the GNU Lesser General Public License

    along with BrowserLauncher2; if not, write to the Free Software

    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA



 ************************************************/

// $Id: BrowserLaunchingFactory.java,v 1.1 2007-12-11 02:35:41 eiki Exp $

package edu.stanford.ejalbert.launching;



import net.sf.wraplog.AbstractLogger;

import edu.stanford.ejalbert.exception.UnsupportedOperatingSystemException;

import edu.stanford.ejalbert.launching.macos.MacOs2_0BrowserLaunching;

import edu.stanford.ejalbert.launching.macos.MacOs2_1BrowserLaunching;

import edu.stanford.ejalbert.launching.macos.MacOs3_0BrowserLaunching;

import edu.stanford.ejalbert.launching.macos.MacOs3_1BrowserLaunching;

import edu.stanford.ejalbert.launching.macos.MacOsXBrowserLaunching;

import edu.stanford.ejalbert.launching.misc.SunOSBrowserLaunching;

import edu.stanford.ejalbert.launching.misc.UnixNetscapeBrowserLaunching;

import edu.stanford.ejalbert.launching.windows.WindowsBrowserLaunching;



/**

 * Factory for determining the OS and returning the appropriate version

 * of IBrowserLaunching. The factory uses

 * {@link System#getProperty(String) System.getProperty("os.name")} to

 * determine the OS.

 *

 * @author Markus Gebhard

 */

public class BrowserLaunchingFactory {



    /**

     * Analyzes the name of the underlying operating system

     * based on the "os.name" system property and returns

     * the IBrowserLaunching version appropriate for the

     * O/S.

     *

     * @param logger AbstractLogger

     * @return IBrowserLaunching

     * @throws UnsupportedOperatingSystemException

     */

    public static IBrowserLaunching createSystemBrowserLaunching(

            AbstractLogger logger)

            throws UnsupportedOperatingSystemException {

        String osName = System.getProperty("os.name");

        if (osName.startsWith("Mac OS")) {

            logger.info("Mac OS");

            if(osName.equals("Mac OS X")){

            	return new MacOsXBrowserLaunching(logger);

            }

            else{

            	//older macos

	            String mrjVersion = System.getProperty("mrj.version");

	            String majorMRJVersion = mrjVersion.substring(0, 3);

	            try {

	                double version = Double.valueOf(majorMRJVersion).doubleValue();

	                logger.info("version=" + Double.toString(version));

	                if (version == 2) {

	                    return new MacOs2_0BrowserLaunching();

	                }

	                else if (version >= 2.1 && version < 3) {

	                    // Assume that all 2.x versions of MRJ work the same.  MRJ 2.1 actually

	                    // works via Runtime.exec() and 2.2 supports that but has an openURL() method

	                    // as well that we currently ignore.

	                    return new MacOs2_1BrowserLaunching();

	                }

	                else if (version == 3.0) {

	                    return new MacOs3_0BrowserLaunching();

	                }

	                else if (version >= 3.1) {

	                    // Assume that all 3.1 and later versions of MRJ work the same.

	                    return new MacOs3_1BrowserLaunching();

	                }

	                else {

	                    throw new UnsupportedOperatingSystemException(

	                            "Unsupported MRJ version: " + version);

	                }

	            }

	            catch (NumberFormatException nfe) {

	                throw new UnsupportedOperatingSystemException(

	                        "Invalid MRJ version: " + mrjVersion);

	            }

            }

        }

        else if (osName.startsWith("Windows")) {

            logger.info("Windows OS");

            if (osName.indexOf("9") != -1 ||

                osName.indexOf("Windows Me") != -1) {

                return new WindowsBrowserLaunching(

                        logger,

                        WindowsBrowserLaunching.WINKEY_WIN9X);

            }

            else if(osName.indexOf("Vista") != -1) {

                return new WindowsBrowserLaunching(

                        logger,

                        WindowsBrowserLaunching.WINKEY_WINVISTA);

            }

            else if (osName.indexOf("2000") != -1 ||

                     osName.indexOf("XP") != -1) {

                return new WindowsBrowserLaunching(

                        logger,

                        WindowsBrowserLaunching.WINKEY_WIN2000);

            }

            else {

                return new WindowsBrowserLaunching(

                        logger,

                        WindowsBrowserLaunching.WINKEY_WINNT);

            }

        }

        else if (osName.startsWith("SunOS")) {

            logger.info("SunOS");

            return new SunOSBrowserLaunching(logger);

        }

        else {

            logger.info("Unix-type OS");

            return new UnixNetscapeBrowserLaunching(

                    logger,

                    UnixNetscapeBrowserLaunching.CONFIGFILE_LINUX_UNIX);

        }

    }

}