Java tutorial
/******************************************************************************* * Copyright (C) 2015 Connor Lanigan (email: dev@connorlanigan.com) * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. *******************************************************************************/ package de.norvos; import java.security.Security; import org.bouncycastle.jce.provider.BouncyCastleProvider; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.whispersystems.libaxolotl.logging.AxolotlLoggerProvider; import de.norvos.account.SettingsService; import de.norvos.eventbus.eventhandlers.MessageSentHandler; import de.norvos.gui.windows.MainWindow; import de.norvos.gui.windows.RegisterWindow; import de.norvos.gui.windows.Window; import de.norvos.i18n.AvailableLanguage; import de.norvos.utils.ApplicationSingleton; import de.norvos.utils.ArgumentsHandler; import de.norvos.utils.AxolotlLoggerImpl; import javafx.application.Application; import javafx.application.Platform; import javafx.concurrent.Task; import javafx.stage.Stage; /** * The main application and entry point of the application. * * @author Connor Lanigan */ public class MainApplication extends Application { final static Logger LOGGER = LoggerFactory.getLogger(MainApplication.class); private static boolean hasToRegister() { return !SettingsService.isSetupFinished() && !ArgumentsHandler.INSTANCE.getSkipRegistration(); } /** * Sets the default values for a new user. */ private static void initializeWithDefaultSettings() { final String defaultURL = "https://textsecure-service.whispersystems.org"; SettingsService.setURL(defaultURL); LOGGER.debug("Setting server URL to [{}].", defaultURL); SettingsService.setLanguage(AvailableLanguage.getDefaultLanguage()); } /** * Initializes all libraries. */ private static void initLibraries() { Security.addProvider(new BouncyCastleProvider()); AxolotlLoggerProvider.setProvider(new AxolotlLoggerImpl()); } private static void initListeners() { new MessageSentHandler(); } public static void main(final String[] args) { ApplicationSingleton.checkAndLock(); LOGGER.info("Starting application."); ArgumentsHandler.INSTANCE.init(args); initLibraries(); initListeners(); Platform.setImplicitExit(false); Application.launch(MainApplication.class, args); } @Override public void start(final Stage primaryStage) throws Exception { final Task<Void> task = new Task<Void>() { @Override protected Void call() throws Exception { try { if (hasToRegister()) { initializeWithDefaultSettings(); final Window registerWindow = new RegisterWindow(); Platform.runLater(() -> registerWindow.start(primaryStage)); registerWindow.waitForClose(); // completely end the program if the user has not // completed // the // registration if (!SettingsService.isSetupFinished()) { LOGGER.info("Registration has been aborted."); System.exit(0); } } final Window mainWindow = new MainWindow(); Platform.runLater(() -> mainWindow.start(new Stage())); Thread.sleep(2000); } catch (final Throwable e) { LOGGER.debug(e.getMessage(), e); } return null; } }; new Thread(task).start(); } }