132 lines
4.2 KiB
Java
132 lines
4.2 KiB
Java
package envoy.client.ui;
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import java.io.File;
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import java.io.IOException;
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import java.util.Properties;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import javafx.application.Application;
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import javafx.scene.control.Alert;
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import javafx.scene.control.Alert.AlertType;
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import javafx.stage.Stage;
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import envoy.client.data.*;
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import envoy.client.net.Client;
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import envoy.client.ui.SceneContext.SceneInfo;
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import envoy.client.ui.controller.LoginScene;
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import envoy.data.Message;
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import envoy.event.MessageStatusChange;
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import envoy.exception.EnvoyException;
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import envoy.util.EnvoyLog;
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/**
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* Handles application startup and shutdown.
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* <p>
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* Project: <strong>envoy-client</strong><br>
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* File: <strong>Startup.java</strong><br>
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* Created: <strong>26.03.2020</strong><br>
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*
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* @author Kai S. K. Engelbart
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* @author Maximilian Käfer
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* @since Envoy Client v0.1-beta
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*/
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public final class Startup extends Application {
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/**
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* The version of this client. Used to verify compatibility with the server.
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*
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* @since Envoy Client v0.1-beta
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*/
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public static final String VERSION = "0.1-beta";
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private LocalDB localDB;
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private Client client;
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private Cache<Message> messageCache;
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private Cache<MessageStatusChange> messageStatusCache;
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private static final ClientConfig config = ClientConfig.getInstance();
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private static final Logger logger = EnvoyLog.getLogger(Startup.class);
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/**
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* Loads the configuration, initializes the client and the local database and
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* delegates the rest of the startup process to {@link LoginScene}.
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*
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* @since Envoy Client v0.1-beta
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*/
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@Override
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public void start(Stage stage) throws Exception {
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try {
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// Load the configuration from client.properties first
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final Properties properties = new Properties();
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properties.load(Startup.class.getClassLoader().getResourceAsStream("client.properties"));
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config.load(properties);
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// Override configuration values with command line arguments
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final String[] args = getParameters().getRaw().toArray(new String[0]);
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if (args.length > 0) config.load(args);
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// Check if all mandatory configuration values have been initialized
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if (!config.isInitialized()) throw new EnvoyException("Configuration is not fully initialized");
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} catch (final Exception e) {
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new Alert(AlertType.ERROR, "Error loading configuration values:\n" + e);
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logger.log(Level.SEVERE, "Error loading configuration values: ", e);
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e.printStackTrace();
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System.exit(1);
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}
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// Setup logger for the envoy package
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EnvoyLog.initialize(config);
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EnvoyLog.attach("envoy");
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EnvoyLog.setFileLevelBarrier(config.getFileLevelBarrier());
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EnvoyLog.setConsoleLevelBarrier(config.getConsoleLevelBarrier());
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logger.log(Level.INFO, "Envoy starting...");
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// Initialize the local database
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if (config.isIgnoreLocalDB()) {
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localDB = new TransientLocalDB();
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new Alert(AlertType.WARNING, "Ignoring local database.\nMessages will not be saved!").showAndWait();
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} else try {
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localDB = new PersistentLocalDB(new File(config.getHomeDirectory(), config.getLocalDB().getPath()));
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} catch (final IOException e3) {
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logger.log(Level.SEVERE, "Could not initialize local database: ", e3);
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new Alert(AlertType.ERROR, "Could not initialize local database!\n" + e3).showAndWait();
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System.exit(1);
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return;
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}
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// Initialize client and unread message cache
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client = new Client();
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messageCache = new Cache<>();
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messageStatusCache = new Cache<>();
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stage.setTitle("Envoy");
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stage.getIcons().add(IconUtil.loadIcon("envoy_logo"));
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final var sceneContext = new SceneContext(stage);
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sceneContext.load(SceneInfo.LOGIN_SCENE);
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sceneContext.<LoginScene>getController().initializeData(client, localDB, messageCache, messageStatusCache, sceneContext);
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}
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/**
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* Closes the client connection and saves the local database and settings.
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*
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* @since Envoy Client v0.1-beta
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*/
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@Override
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public void stop() {
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try {
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logger.log(Level.INFO, "Closing connection...");
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client.close();
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logger.log(Level.INFO, "Saving local database and settings...");
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localDB.save();
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Settings.getInstance().save();
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logger.log(Level.INFO, "Envoy was terminated by its user");
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} catch (final Exception e) {
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logger.log(Level.SEVERE, "Unable to save local files: ", e);
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}
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}
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}
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