Application: gvSIG desktop

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004-2007 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program 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 General Public License for more details.

 *

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

 * along with this program; if not, write to the Free Software

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

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package com.iver.andami;

import java.awt.BorderLayout;

import java.awt.Component;

import java.awt.Dimension;

import java.awt.EventQueue;

import java.awt.Frame;

import java.awt.KeyboardFocusManager;

import java.awt.Point;

import java.awt.Toolkit;

import java.io.BufferedOutputStream;

import java.io.BufferedReader;

import java.io.File;

import java.io.FileFilter;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.FileReader;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.io.OutputStreamWriter;

import java.io.Reader;

import java.net.Authenticator;

import java.net.MalformedURLException;

import java.net.PasswordAuthentication;

import java.net.URL;

import java.net.URLConnection;

import java.nio.channels.FileChannel;

import java.security.AllPermission;

import java.security.CodeSource;

import java.security.PermissionCollection;

import java.security.Permissions;

import java.security.Policy;

import java.util.ArrayList;

import java.util.Comparator;

import java.util.Date;

import java.util.HashMap;

import java.util.HashSet;

import java.util.Iterator;

import java.util.Locale;

import java.util.Properties;

import java.util.TreeMap;

import java.util.prefs.Preferences;

import javax.jnlp.BasicService;

import javax.jnlp.ServiceManager;

import javax.jnlp.UnavailableServiceException;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JComponent;

import javax.swing.JFrame;

import javax.swing.JOptionPane;

import javax.swing.JPopupMenu;

import javax.swing.SwingUtilities;

import javax.swing.UIManager;

import org.apache.log4j.Logger;

import org.apache.log4j.PatternLayout;

import org.apache.log4j.PropertyConfigurator;

import org.apache.log4j.RollingFileAppender;

import org.exolab.castor.xml.MarshalException;

import org.exolab.castor.xml.ValidationException;

import org.gvsig.installer.swing.api.SwingInstallerLocator;

import org.gvsig.installer.swing.api.execution.AbstractInstallPackageWizard;

import org.gvsig.installer.swing.api.wizard.InstallerWizardActionListener;

import org.gvsig.installer.swing.api.wizard.InstallerWizardPanel;

import org.gvsig.tools.library.impl.DefaultLibrariesInitializer;

import com.iver.andami.authentication.IAuthentication;

import com.iver.andami.authentication.LoginUI;

import com.iver.andami.config.generate.Andami;

import com.iver.andami.config.generate.AndamiConfig;

import com.iver.andami.config.generate.Plugin;

import com.iver.andami.iconthemes.IIconTheme;

import com.iver.andami.iconthemes.IconThemeManager;

import com.iver.andami.messages.Messages;

import com.iver.andami.messages.NotificationManager;

import com.iver.andami.plugins.ExclusiveUIExtension;

import com.iver.andami.plugins.ExtensionDecorator;

import com.iver.andami.plugins.IExtension;

import com.iver.andami.plugins.PluginClassLoader;

import com.iver.andami.plugins.config.generate.ActionTool;

import com.iver.andami.plugins.config.generate.ComboButton;

import com.iver.andami.plugins.config.generate.ComboButtonElement;

import com.iver.andami.plugins.config.generate.ComboScale;

import com.iver.andami.plugins.config.generate.Depends;

import com.iver.andami.plugins.config.generate.Extension;

import com.iver.andami.plugins.config.generate.Extensions;

import com.iver.andami.plugins.config.generate.LabelSet;

import com.iver.andami.plugins.config.generate.Menu;

import com.iver.andami.plugins.config.generate.PluginConfig;

import com.iver.andami.plugins.config.generate.PopupMenu;

import com.iver.andami.plugins.config.generate.PopupMenus;

import com.iver.andami.plugins.config.generate.SelectableTool;

import com.iver.andami.plugins.config.generate.SkinExtension;

import com.iver.andami.plugins.config.generate.SkinExtensionType;

import com.iver.andami.plugins.config.generate.ToolBar;

import com.iver.andami.plugins.status.IExtensionStatus;

import com.iver.andami.plugins.status.IUnsavedData;

import com.iver.andami.ui.AndamiEventQueue;

import com.iver.andami.ui.MDIManagerLoadException;

import com.iver.andami.ui.fonts.FontUtils;

import com.iver.andami.ui.mdiFrame.MDIFrame;

import com.iver.andami.ui.mdiFrame.NewStatusBar;

import com.iver.andami.ui.mdiManager.MDIManagerFactory;

import com.iver.andami.ui.splash.MultiSplashWindow;

import com.iver.andami.ui.theme.Theme;

import com.iver.andami.ui.wizard.UnsavedDataPanel;

import com.iver.utiles.DateTime;

import com.iver.utiles.FileUtils;

import com.iver.utiles.XMLEntity;

import com.iver.utiles.xml.XMLEncodingUtils;

import com.iver.utiles.xmlEntity.generate.XmlTag;

/**

 * <p>

 * Andami's launching class. This is the class used to create the Andami's plugin environment.<br>

 * </p>

 *

 * <p>

 * <b>Syntax:</b>

 * <br>

 * java [-Xmx512M (for 512MB of RAM)] [-classpath={a colon-separated(unix) or semicolon-separated(windows) list of files containg base library of classes}]

 * [-Djava.library.path=PATH_TO_NATIVE_LIBRARIES]

 * PATH_TO_APPLICATION_HOME_DIRECTORY PATH_TO_APPLICATION_PLUGINS_DIRECTORY

 * [{list of additional custom application arguments separated by spaces}]

 * </p>

 *

 *

 * @author $author$

 * @version $Revision$

 */

public class Launcher {

        private static Logger logger = Logger.getLogger(Launcher.class.getName());

        private static Preferences prefs = Preferences.userRoot().node( "gvsig.connection" );

        private static AndamiConfig andamiConfig;

        private static MultiSplashWindow splashWindow;

        private static String appName;

        private static Locale locale;

        private static HashMap pluginsConfig = new HashMap();

        private static HashMap pluginsServices = new HashMap();

        private static MDIFrame frame;

        private static HashMap classesExtensions = new HashMap();

        private static String andamiConfigPath;

        private static String pluginsPersistencePath;

        private static final String nonWinDefaultLookAndFeel =  "com.jgoodies.looks.plastic.PlasticXPLookAndFeel";

    private static ArrayList pluginsOrdered = new ArrayList();

    private static ArrayList extensions=new ArrayList();

    private static String appHomeDir = null;

    // it seems castor uses this encoding

    private static final String CASTORENCODING = "UTF8";

        private static final class ProxyAuth extends Authenticator {

                private PasswordAuthentication auth;

                private ProxyAuth(String user, String pass) {

                        auth = new PasswordAuthentication(user, pass.toCharArray());

                }

                protected PasswordAuthentication getPasswordAuthentication() {

                        return auth;

                }

        }

        public static void main(String[] args) throws Exception {

                boolean install = false;

                for (int i = 0; i < args.length; i++) {

                        if (args[i].equalsIgnoreCase("--install")) {

                                install = true;

                        }

                }

            new DefaultLibrariesInitializer().fullInitialize();

                try {

                        if (install) {

                                doInstall(args);

                        } else {

                                doMain(args);

                        }

                } catch (Exception e) {

                        logger.error("excepci?n al arrancar", e);

                        System.exit(-1);

                }

        }

        /**

     * Launch the gvSIG package installer.

     *

     * @throws Exception

     *             if there is any error

     */

    private static void doInstall(String[] args) throws Exception {

        String installURL = null;

        if (args.length >= 4) {

            String installURLParam = args[3];

            if (installURLParam.startsWith("--installURL=")) {

                installURL =

                    installURLParam.substring("--installURL=".length());

            }

        }

        if (args.length < 3) {

            System.err.println(Messages.get("usage")

                + ": Launcher appName plugins-directory "

                + "--install [--installURL=[URL]] [language=locale]");

        }

        initializeApp(args);

        AndamiConfig config = getAndamiConfig();

        config.setLocaleLanguage(locale.getLanguage());

        config.setLocaleCountry(locale.getCountry());

        config.setLocaleVariant(locale.getVariant());

        // Configure default index download URL

        if (installURL != null) {

            try {

                SwingInstallerLocator.getSwingInstallerManager()

                    .setDefaultDownloadURL(new URL(installURL));

            } catch (MalformedURLException e) {

                logger.error(

                    "Error creating the default packages download URL pointing to"

                        + installURL, e);

            }

        }

                // Launch installer

                File appFolder = new File(System.getProperty("user.dir"));

                AbstractInstallPackageWizard installPackageWizard = SwingInstallerLocator

                                .getSwingInstallerManager().createInstallPackageWizard(

                                                appFolder,

                                                new File(Launcher.getAndamiConfig()

                                                                .getPluginsDirectory()).getAbsoluteFile(),

                                                new File(appFolder, "install"));

                installPackageWizard

                                .setWizardActionListener(new InstallerWizardActionListener() {

                                        public void finish(InstallerWizardPanel installerWizard) {

                                                System.exit(0);

                                        }

                                        public void cancel(InstallerWizardPanel installerWizard) {

                                                System.exit(0);

                                        }

                                });

        // the wizard will show the Typical or Advanced mode option.

        installPackageWizard.setAskTypicalOrCustom(true);

        // default packages will be selected.

        installPackageWizard.setSelectDefaultPackages(true);

        // 1. Create the frame.

        JFrame frame = new JFrame(Messages.get("gvsig_package_installer"));

        // 2. What happens when the frame closes?

        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        Runtime.getRuntime().addShutdownHook(new Thread() {

            @Override

            public void run() {

                getTerminationProcess().saveAndamiConfig();

            }

        });

        // 3. Add the installer panel to the frame

        frame.getContentPane().add(installPackageWizard, BorderLayout.CENTER);

        // 4. Size the frame and center on the screen

        frame.pack();

        frame.setLocationRelativeTo(null);

        // 5. Show it.

        frame.setVisible(true);

    }

    private static void doMain(String[] args) throws Exception {

            try{

                    if (args.length < 1) {

                            System.err.println("Uso: Launcher appName plugins-directory [language=locale]");

                    }

                    initializeApp(args);

                    // Solucionamos el problema de permisos que se produc?a con Java Web Start con este c?digo.

                    // System.setSecurityManager(null);

                    Policy.setPolicy(new Policy() {

                            public PermissionCollection getPermissions(CodeSource codesource) {

                                    Permissions perms = new Permissions();

                                    perms.add(new AllPermission());

                                    return (perms);

                            }

                            public void

                            refresh() {}

                    });

                    initIconThemes();

//                    Registramos los iconos base

                    registerIcons();

                    validate();

                    // Obtener la personalizaci?n de la aplicaci?n.

                    Theme theme=getTheme();

                    // Mostrar la ventana de inicio

                    Frame f=new Frame();

                    splashWindow=new MultiSplashWindow(f,theme, 190);

                    // 1. Ponemos los datos del proxy

                    splashWindow.process(10,

                                    PluginServices.getText(Launcher.class, "SplashWindow.configuring_proxy"));

                    configureProxy();

                    // 2. TODO Buscar actualizaciones de los plugins

                    splashWindow.process(20,

                                    PluginServices.getText(Launcher.class, "SplashWindow.looking_for_updates"));

                    downloadExtensions(andamiConfig.getPluginsDirectory());

                    // 3. Se leen los config.xml de los plugins -----++++

                    splashWindow.process(30,

                                    PluginServices.getText(Launcher.class, "SplashWindow.reading_plugins_config.xml"));

                    loadPlugins(andamiConfig.getPluginsDirectory());

                    // 4. Se configura el classloader del plugin

                    splashWindow.process(40,

                                    PluginServices.getText(Launcher.class, "SplashWindow.setting_up_class_loaders"));

                    pluginsClassLoaders();

                    // 5. Se carga un Skin si alguno de los plugins trae informaci?n para ello

                    splashWindow.process(50,

                                    PluginServices.getText(Launcher.class, "SplashWindow.looking_for_a_skin"));

//                    skinPlugin(        "com.iver.core.mdiManager.NewSkin");

                    skinPlugin(null);

                    // 6. Se configura la cola de eventos

                    splashWindow.process(60,

                                    PluginServices.getText(Launcher.class, "setting_up_event_queue"));

                    EventQueue waitQueue = new AndamiEventQueue();

                    Toolkit.getDefaultToolkit().getSystemEventQueue().push(waitQueue);

                    // 7. Se configura la mensajer?a del plugin

                    splashWindow.process(70,

                                    PluginServices.getText(Launcher.class, "SplashWindow.starting_plugin_internationalization_system"));

                    pluginsMessages();

                    // 8. Se modifica el andami-config con los plugins nuevos

                    splashWindow.process(80,

                                    PluginServices.getText(Launcher.class, "SplashWindow.looking_for_a_skin"));

                    updateAndamiConfig();

                    frame = new MDIFrame();

                    // 9. Se configura el nombre e icono de la aplicaci?n

                    splashWindow.process(90,

                                    PluginServices.getText(Launcher.class, "SplashWindow.setting_up_applications_name_and_icons"));

                    frameIcon(theme);

                    // 10. Se prepara el MainFrame para albergar las extensiones

                    splashWindow.process(100,

                                    PluginServices.getText(Launcher.class, "SplashWindow.preparing_workbench"));

                    JPopupMenu.setDefaultLightWeightPopupEnabled(false);

                    SwingUtilities.invokeAndWait(new Runnable() {

                            public void run() {

                                    frame.init();

                            }

                    });

                    // 11. Leer el fichero de persistencia

                    //  info de los plugins

                    //  bookmarks de los plugins

                    splashWindow.process(110,

                                    PluginServices.getText(Launcher.class, "SplashWindow.loading_plugin_settings"));

                    loadPluginsPersistence();

                    // Se instalan los controles del skin

                    // 12. Se inicializan todas las extensiones de todos los plugins

                    splashWindow.process(120,

                                        PluginServices.getText(Launcher.class, "SplashWindow.initializing_extensions"));

                    SwingUtilities.invokeAndWait(new Runnable() {

                            public void run() {

                                    initializeExtensions();

                            }

                    });

                    // 13. Se inicializan la extensi?n exclusiva

                        splashWindow.process(130,

                                        PluginServices.getText(Launcher.class, "SplashWindow.setting_up_master_extension"));

                        SwingUtilities.invokeAndWait(new Runnable() {

                            public void run() {

                                    initializeExclusiveUIExtension();

                            }

                    });

                    frame.setClassesExtensions(classesExtensions);

                    // 14. Se instalan los controles de las extensiones de los plugins

                    splashWindow.process(140,

                                    PluginServices.getText(Launcher.class, "SplashWindow.installing_extensions_controls"));

                    SwingUtilities.invokeAndWait(new Runnable() {

                            public void run() {

                                    installPluginsControls();

                            }

                    });

                    // 15. Se instalan los menus de las extensiones de los plugins

                    splashWindow.process(150,

                                    PluginServices.getText(Launcher.class, "SplashWindow.installing_extensions_menus"));

                    SwingUtilities.invokeAndWait(new Runnable() {

                            public void run() {

                                    installPluginsMenus();

                            }

                    });

                    // 16. Se instalan las etiquetas de las extensiones de los plugins

                    splashWindow.process(160,

                                    PluginServices.getText(Launcher.class, "SplashWindow.installing_extensions_labels"));

                    SwingUtilities.invokeAndWait(new Runnable() {

                            public void run() {

                                    installPluginsLabels();

                            }

                    });

                    // 17. Se instalan los bookmarks de los plugins

                    // 18. Se muestra el frame principal

                    splashWindow.process(180,

                                    PluginServices.getText(Launcher.class, "creating_main_window"));

                    frame.setVisible(true);

                    // 19. Se ejecuta el postInitialize

                        splashWindow.process(190,

                                        PluginServices.getText(Launcher.class, "SplashWindow.post_initializing_extensions"));

                    SwingUtilities.invokeAndWait(new Runnable() {

                            public void run() {

                                    postInitializeExtensions();

                            }

                    });

                    // Definimos un KeyEventDispatcher global para que las extensiones

                    // puedan registrar sus "teclas r?pidas".

                    GlobalKeyEventDispatcher keyDispatcher = GlobalKeyEventDispatcher.getInstance();

                    KeyboardFocusManager.getCurrentKeyboardFocusManager().addKeyEventDispatcher(keyDispatcher);

                    SwingUtilities.invokeAndWait(new Runnable() {

                            public void run() {

                                    frame.enableControls();

                            }

                    });

                    splashWindow.close();

            }catch(Exception e){

                    logger.error("excepci?n al arrancar", e);

                    System.exit(-1);

            }

    }

        private static void initializeApp(String[] args) throws IOException,

                        ConfigurationException {

                if (!validJVM()){

                        System.exit(-1);

                }

                //  Clean temporal files

                Utilities.cleanUpTempFiles();

                appName = args[0];

                appHomeDir = System.getProperty(args[0]+".home");

                if (appHomeDir == null)

                        appHomeDir = System.getProperty("user.home");

                appHomeDir += File.separator + args[0] + File.separator;

                // If gvSIG.confDir exists, then it will override any other setting for

                // the configuration file path.

                // This is a Java property, which means it has to be passed to the

                // VM like this: java -DgvSIG.confDir=<path>

                String gvsig_conf_dir = System.getProperty("gvSIG.confDir");

                if ( gvsig_conf_dir != null ) {

                        gvsig_conf_dir = gvsig_conf_dir.trim();

                        if ( gvsig_conf_dir.length() > 0 ) {

                                if ( gvsig_conf_dir.endsWith(File.separator) ) {

                                        appHomeDir = gvsig_conf_dir;

                                } else {

                                        appHomeDir = gvsig_conf_dir + File.separator;

                                }

                        }

                }

                FileUtils.setAppHomeDir(appHomeDir);

                logger.debug("User settings will be stored in: " + appHomeDir );

                File parent = new File( appHomeDir );

                parent.mkdirs();

                andamiConfigPath = appHomeDir + "andami-config.xml";

                pluginsPersistencePath = appHomeDir + "plugins-persistence.xml";

                // Configurar el log4j

                Launcher.class.getClassLoader()

                .getResource(".");

                PropertyConfigurator.configure("log4j.properties");

                PatternLayout l = new PatternLayout("%p %t %C - %m%n");

                RollingFileAppender fa = new RollingFileAppender(l,

                                appHomeDir + args[0] + ".log", false);

                fa.setMaxFileSize("512KB");

                fa.setMaxBackupIndex(3);

                Logger.getRootLogger().addAppender(fa);

                // Leer el fichero de configuraci?n de andami (andami-config.xsd)

                // locale

                // Buscar actualizaci?nes al comenzar

                //  Andami

                //  Plugins

                // Directorio de las extensiones

                andamiConfigFromXML(andamiConfigPath);

                andamiConfig.setPluginsDirectory(args[1]);

                // Hacemos visibles los argumentos como una propiedad est?tica

                // de plugin services para quien lo quiera usar (por ejemplo, para

                // cargar un proyecto por l?nea de comandos)

                PluginServices.setArguments(args);

                configureLocales(args);

                //Se pone el lookAndFeel

                try {

                        String lookAndFeel = getAndamiConfig().getLookAndFeel();

                        if (lookAndFeel == null)

                                lookAndFeel = getDefaultLookAndFeel();

                        UIManager.setLookAndFeel(lookAndFeel);

                } catch (Exception e) {

                        logger.warn(Messages.getString("Launcher.look_and_feel"), e);

                }

                FontUtils.initFonts();

        }

    private static void registerIcons(){

            PluginServices.getIconTheme().registerDefault(

                            "login-gvsig",

                            LoginUI.class.getClassLoader().getResource("images/login_gvsig.png")

                    );

            PluginServices.getIconTheme().registerDefault(

                            "splash-gvsig",

                            MultiSplashWindow.class.getClassLoader().getResource("images/splash.png")

                    );

            PluginServices.getIconTheme().registerDefault(

                            "info-icon",

                            NewStatusBar.class.getClassLoader().getResource("images/info.gif")

                    );

            PluginServices.getIconTheme().registerDefault(

                            "error-icon",

                            NewStatusBar.class.getClassLoader().getResource("images/error.gif")

                    );

            PluginServices.getIconTheme().registerDefault(

                            "warning-icon",

                            NewStatusBar.class.getClassLoader().getResource("images/warning.gif")

                    );

            PluginServices.getIconTheme().registerDefault(

                            "no-icon",

                            NewStatusBar.class.getClassLoader().getResource("images/no_icon.png")

                    );

    }

    /**

     * Obtiene la personalizaci?n de los iconos, splash, fondo y el nombre de

     * la aplicaci?n.

     *

     * @return Theme

     */

    private static Theme getTheme() {

            Theme theme=new Theme();

            String name=PluginServices.getArgumentByName("andamiTheme");

                //File file=new File("theme/andami-theme.xml");

            File file;

            if (name==null){

                    file=new File("theme/andami-theme.xml");

            }else{

                    file=new File(name);

            }

            if (file.exists()) {

                        theme.readTheme(file);

                }

                return theme;

        }

        /**

     *Establece los datos que ten?amos guardados respecto de la configuraci?n

     *del proxy.

     */

        private static void configureProxy() {

                String host = prefs.get("firewall.http.host", "");

                String port = prefs.get("firewall.http.port", "");

                System.getProperties().put("http.proxyHost", host);

                System.getProperties().put("http.proxyPort", port);

                // Ponemos el usuario y clave del proxy, si existe

                String proxyUser = prefs.get("firewall.http.user",null);

                String proxyPassword = prefs.get("firewall.http.password", null);

                if (proxyUser != null )

                {

                        System.getProperties().put("http.proxyUserName", proxyUser);

                        System.getProperties().put("http.proxyPassword", proxyPassword);

                        Authenticator.setDefault(new ProxyAuth(proxyUser,

                                                        proxyPassword));

                } else {

                        Authenticator.setDefault(new ProxyAuth("", ""));

                }

        }

        /**

         * Recupera la geometr?a (tama?o, posic?n y estado) de la ventana principal de Andami.

         * TODO Pendiente de ver como se asigna un pluginServices para el launcher.

         * @author LWS

         */

        private static void restoreMDIStatus(XMLEntity xml) {

                if (xml == null) xml = new XMLEntity();

                //  restore frame size

                Dimension sz = new Dimension(700,580);

                if (xml.contains("MDIFrameSize")) {

                        int [] wh = xml.getIntArrayProperty("MDIFrameSize");

                        sz = new Dimension(wh[0], wh[1]);

                }

                frame.setSize(sz);

                //  restore frame location

                Point pos = new Point(10,10);

                if (xml.contains("MDIFramePos")) {

                        int [] xy = xml.getIntArrayProperty("MDIFramePos");

                        pos = new Point(xy[0], xy[1]);

                }

                frame.setLocation(pos);

                //  restore frame status (Maximized, minimized, etc);

                int state = java.awt.Frame.MAXIMIZED_BOTH;

                if (xml.contains("MDIFrameState")) {

                        state = xml.getIntProperty("MDIFrameState");

                }

                frame.setExtendedState(state);

        }

        private static XMLEntity saveMDIStatus() {

                XMLEntity xml = new XMLEntity();

                // save frame size

                int [] wh = new int[2];

                wh[0] = frame.getWidth();

                wh[1] = frame.getHeight();

                xml.putProperty("MDIFrameSize", wh);

                // save frame location

                int [] xy = new int[2];

                xy[0] = frame.getX();

                xy[1] = frame.getY();

                xml.putProperty("MDIFramePos", xy);

                // save frame status

                xml.putProperty("MDIFrameState", frame.getExtendedState());

                return xml;

        }

    private static boolean validJVM() {

        char thirdCharacter = System.getProperty("java.version").charAt(2);

        if (thirdCharacter < '4'){

            return false;

            }else{

                return true;

            }

    }

        private static void loadPluginsPersistence() throws ConfigurationException {

                XMLEntity entity = persistenceFromXML();

                for (int i = 0; i < entity.getChildrenCount(); i++) {

                        XMLEntity plugin = entity.getChild(i);

                        String pName = plugin.getStringProperty(

                                        "com.iver.andami.pluginName");

                        if (pluginsServices.get(pName)!= null){

                                ((PluginServices) pluginsServices.get(pName)).setPersistentXML(plugin);

                        } else {

                                if (pName.startsWith("Andami.Launcher"))

                                        restoreMDIStatus(plugin);

                        }

                }

        }

        /**

         * Salva la persistencia de los plugins.

         * @author LWS

         */

        private static void savePluginPersistence() {

                Iterator i = pluginsConfig.keySet().iterator();

                XMLEntity entity = new XMLEntity();

                while (i.hasNext()) {

                        String pName = (String) i.next();

                        PluginServices ps = (PluginServices) pluginsServices.get(pName);

                        XMLEntity ent = ps.getPersistentXML();

                        if (ent != null) {

                                ent.putProperty("com.iver.andami.pluginName", pName);

                                entity.addChild(ent);

                        }

                }

                XMLEntity ent = saveMDIStatus();

                if (ent != null) {

                        ent.putProperty("com.iver.andami.pluginName", "Andami.Launcher");

                        entity.addChild(ent);

                }

                try {

                        persistenceToXML(entity);

                } catch (ConfigurationException e1) {

                        logger.error(Messages.getString(

                                        "Launcher.Se_produjo_un_error_guardando_la_configuracion_de_los_plugins"),

                                e1);

                }

        }

        private static void installPluginsLabels() {

                Iterator i = pluginsConfig.keySet().iterator();

                while (i.hasNext()) {

                        String name = (String) i.next();

                        PluginConfig pc = (PluginConfig) pluginsConfig.get(name);

                        PluginServices ps = (PluginServices) pluginsServices.get(name);

                        LabelSet[] ls = pc.getLabelSet();

                        for (int j = 0; j < ls.length; j++) {

                                PluginClassLoader loader = ps.getClassLoader();

                                try {

                                        Class clase = loader.loadClass(ls[j].getClassName());

                                        frame.setStatusBarLabels(clase, ls[j].getLabel());

                                } catch (ClassNotFoundException e) {

                                        logger.error(Messages.getString("Launcher.labelset_class"),

                                                e);

                                }

                        }

                }

        }

        private static String configureSkin(XMLEntity xml,String defaultSkin) {

                if (defaultSkin == null){

                        for (int i = 0; i < xml.getChildrenCount(); i++) {

                                if (xml.getChild(i).contains("Skin-Selected")) {

                                        String className = xml.getChild(i).getStringProperty(

                                        "Skin-Selected");

                                        return className;

                                }

                        }

                }

//                return "com.iver.core.mdiManager.NewSkin";

                return  defaultSkin;

        }

        private static void fixSkin(SkinExtension skinExtension,PluginClassLoader pluginClassLoader) throws MDIManagerLoadException{

                // now insert the skin selected.

                MDIManagerFactory.setSkinExtension(skinExtension, pluginClassLoader);

                // MDIManagerFactory.setSkinExtension(se,

                // ps.getClassLoader());

                Class skinClass;

                try {

                        skinClass = pluginClassLoader.loadClass(

                                        skinExtension.getClassName());

                        com.iver.andami.plugins.IExtension skinInstance = (com.iver.andami.plugins.IExtension) skinClass

                        .newInstance();

                        // classesExtensions.put(skinClass, skinInstance);

                        // jaume

                        ExtensionDecorator newExtensionDecorator = new ExtensionDecorator(

                                        skinInstance, ExtensionDecorator.INACTIVE);

                        classesExtensions.put(skinClass, newExtensionDecorator);

                } catch (ClassNotFoundException e) {

                        logger

                        .error(

                                        Messages

                                        .getString("Launcher.No_se_encontro_la_clase_mdi_manager"),

                                        e);

                        throw new MDIManagerLoadException(e);

                } catch (InstantiationException e) {

                        logger

                        .error(

                                        Messages

                                        .getString("Launcher.No_se_pudo_instanciar_la_clase_mdi_manager"),

                                        e);

                        throw new MDIManagerLoadException(e);

                } catch (IllegalAccessException e) {

                        logger

                        .error(

                                        Messages

                                        .getString("Launcher.No_se_pudo_acceder_a_la_clase_mdi_manager"),

                                        e);

                        throw new MDIManagerLoadException(e);

                }

        }

        /**

         * DOCUMENT ME!

         *

         * @throws MDIManagerLoadException

         */

        private static void skinPlugin(String defaultSkin) throws MDIManagerLoadException {

                XMLEntity entity =null;

                try {

                        entity = persistenceFromXML();

                } catch (ConfigurationException e1) {

                        // TODO Auto-generated catch block

                        e1.printStackTrace();

                }

                Iterator i = pluginsConfig.keySet().iterator();

                SkinExtension skinExtension = null;

                PluginClassLoader pluginClassLoader = null;

                ArrayList skinExtensions = new ArrayList();

                while (i.hasNext()) {

                        String name = (String) i.next();

                        PluginConfig pc = (PluginConfig) pluginsConfig.get(name);

                        PluginServices ps = (PluginServices) pluginsServices.get(name);

                        if (pc.getExtensions().getSkinExtension() != null) {

//                                if (MDIManagerFactory.getSkinExtension() != null) {

//                                        logger.warn(Messages.getString(

//                                                        "Launcher.Dos_skin_extension"));

//                                }

                                SkinExtension[] se = pc.getExtensions().getSkinExtension();

                                for (int numExten=0; numExten<se.length; numExten++) {

                                        skinExtensions.add(se[numExten]);

                                }

                                for (int j=0;j<se.length;j++){

                                        String configuredSkin = Launcher.configureSkin(entity,defaultSkin);

                                        if (configuredSkin!=null && configuredSkin.equals(se[j].getClassName())) {

                                                skinExtension = se[j];

                                                pluginClassLoader = ps.getClassLoader();

                                        }