129 lines
3.7 KiB
Java
129 lines
3.7 KiB
Java
package envoy.client.ui;
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import java.awt.EventQueue;
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import java.io.IOException;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import javax.swing.JOptionPane;
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import envoy.client.Client;
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import envoy.client.Config;
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import envoy.client.LocalDB;
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import envoy.exception.EnvoyException;
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import envoy.schema.User;
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/**
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* Starts the Envoy client and prompts the user to enter their name.
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* <br>
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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>12 Oct 2019</strong><br>
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*
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* @author Leon Hofmeister
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* @author Maximilian Käfer
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* @author Kai S. K. Engelbart
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* @since Envoy v0.1-alpha
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*/
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public class Startup {
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private static final Logger logger = Logger.getLogger(Startup.class.getSimpleName());
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public static void main(String[] args) {
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logger.setLevel(Level.ALL);
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Config config = Config.getInstance();
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try {
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// Load the configuration from client.properties first
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config.load();
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// Override configuration values with command line arguments
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if (args.length > 0) config.load(args);
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// Check if all configuration values have been initialized
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if (!config.isInitialized()) throw new EnvoyException("Server or port are not defined");
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} catch (Exception e) {
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JOptionPane
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.showMessageDialog(null, "Error loading configuration values: \n" + e.toString(), "Configuration error", JOptionPane.ERROR_MESSAGE);
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System.exit(1);
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e.printStackTrace();
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}
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// Ask the user for their user name
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String userName = JOptionPane.showInputDialog("Please enter your username");
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if (userName == null || userName.isEmpty()) {
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logger.severe("User name is not set or empty. Exiting...");
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System.exit(1);
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}
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// Initialize the local database
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LocalDB localDB;
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try {
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localDB = new LocalDB(config.getLocalDB());
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} catch (IOException e3) {
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logger.log(Level.SEVERE, "Could not initialize local database", e3);
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JOptionPane.showMessageDialog(null, "Could not initialize local database!\n" + e3.toString());
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System.exit(1);
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return;
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}
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// Acquire the client user (with ID) either from the server or from the local
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// database, which triggers offline mode
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Client client = new Client(config);
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try {
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// Try entering online mode first
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client.onlineInit(userName);
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} catch (Exception e1) {
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logger.warning("Could not connect to server. Trying offline mode...");
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try {
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// Try entering offline mode
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localDB.loadUsers();
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User clientUser = localDB.getUsers().get(userName);
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if(clientUser == null)
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throw new EnvoyException("Could not enter offline mode: user name unknown");
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client.setSender(clientUser);
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} catch(Exception e2) {
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JOptionPane.showMessageDialog(null, e1.toString(), "Client error", JOptionPane.ERROR_MESSAGE);
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System.exit(1);
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return;
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}
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}
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// Set client user in local database
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localDB.setUser(client.getSender());
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// Initialize chats in local database
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try {
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localDB.initializeDBFile();
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localDB.loadChats();
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} catch (EnvoyException e) {
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e.printStackTrace();
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JOptionPane.showMessageDialog(null,
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"Error while loading local database: " + e.toString() + "\nChats will not be stored locally.",
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"Local DB error",
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JOptionPane.WARNING_MESSAGE);
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}
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logger.info("Client user ID: " + client.getSender().getID());
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// Save all users to the local database
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if(client.isOnline())
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localDB.setUsers(client.getUsers());
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EventQueue.invokeLater(() -> {
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try {
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ChatWindow chatWindow = new ChatWindow(client, localDB);
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chatWindow.setVisible(true);
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try {
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new StatusTrayIcon(chatWindow).show();
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} catch (EnvoyException e) {
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logger.warning("The StatusTrayIcon is not supported on this platform!");
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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});
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}
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} |