public static void estimateKeyDerivationTime() {
// This is run in the background after startup. If we haven't recorded it before, do a key
// derivation to see
// how long it takes. This helps us produce better progress feedback, as on Windows we don't
// currently have a
// native Scrypt impl and the Java version is ~3 times slower, plus it depends a lot on CPU
// speed.
checkGuiThread();
estimatedKeyDerivationTime = Main.instance.prefs.getExpectedKeyDerivationTime();
if (estimatedKeyDerivationTime == null) {
new Thread(
() -> {
log.info("Doing background test key derivation");
KeyCrypterScrypt scrypt = new KeyCrypterScrypt(SCRYPT_PARAMETERS);
long start = System.currentTimeMillis();
scrypt.deriveKey("test password");
long msec = System.currentTimeMillis() - start;
log.info("Background test key derivation took {}msec", msec);
Platform.runLater(
() -> {
estimatedKeyDerivationTime = Duration.ofMillis(msec);
Main.instance.prefs.setExpectedKeyDerivationTime(estimatedKeyDerivationTime);
});
})
.start();
}
}
public static void showError(String message, Throwable t) {
LOG.log(Level.SEVERE, "Сообщение: " + message, t);
StringBuilder s = new StringBuilder(message).append('\n');
s.append(t.getClass().getName()).append(": ").append(t.getLocalizedMessage());
for (StackTraceElement e : t.getStackTrace()) {
String line = e.toString();
if (line.startsWith("my")) {
s.append("\n ").append(line);
}
}
Alert alert = new Alert(Alert.AlertType.ERROR, s.toString(), ButtonType.OK);
alert.showAndWait();
}
@Override
public void start(Stage primaryStage) {
try {
TabPane page = (TabPane) FXMLLoader.load(Main.class.getResource("simple.fxml"));
Scene scene = new Scene(page);
primaryStage.setScene(scene);
primaryStage.setTitle("Hotels");
primaryStage.show();
textf = (TextField) scene.lookup("#HotelNameTextb");
Button create = (Button) scene.lookup("#CreateButton");
create.setOnAction(this::handleButtonAction);
} catch (Exception ex) {
Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
}
}
/** @author Sergey Stishenko <*****@*****.**> */
public class MainFX extends Application {
private static final Logger LOG = Logger.getLogger(MainFX.class.getName());
@Override
public void start(Stage stage) {
stage.setScene(new MainScene(stage));
stage.setTitle("Мой бюджет");
stage.show();
}
public static void showMessage(String message) {
LOG.log(Level.SEVERE, "Сообщение: {0}", message);
Alert alert = new Alert(Alert.AlertType.INFORMATION, message, ButtonType.OK);
alert.showAndWait();
}
public static void showError(String message, Throwable t) {
LOG.log(Level.SEVERE, "Сообщение: " + message, t);
StringBuilder s = new StringBuilder(message).append('\n');
s.append(t.getClass().getName()).append(": ").append(t.getLocalizedMessage());
for (StackTraceElement e : t.getStackTrace()) {
String line = e.toString();
if (line.startsWith("my")) {
s.append("\n ").append(line);
}
}
Alert alert = new Alert(Alert.AlertType.ERROR, s.toString(), ButtonType.OK);
alert.showAndWait();
}
public static void main(String[] args) {
Application.launch(MainFX.class, args);
}
}
public static void showMessage(String message) {
LOG.log(Level.SEVERE, "Сообщение: {0}", message);
Alert alert = new Alert(Alert.AlertType.INFORMATION, message, ButtonType.OK);
alert.showAndWait();
}
