dbsdemo.RegistrationWindowController.java Source code

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Here is the source code for dbsdemo.RegistrationWindowController.java

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package dbsdemo;

import dbsdemo.misc.CustomAlert;
import dbsdemo.entities.User;
import dbsdemo.misc.PropLoader;
import dbsdemo.sql.custom.UserDao;
import java.io.IOException;
import java.net.URL;
import java.nio.charset.Charset;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Properties;
import java.util.ResourceBundle;
import java.util.logging.Level;
import java.util.logging.Logger;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.FXMLLoader;
import javafx.fxml.Initializable;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.Alert;
import javafx.scene.control.Button;
import javafx.scene.control.ComboBox;
import javafx.scene.control.PasswordField;
import javafx.scene.control.TextField;
import javafx.scene.input.KeyEvent;
import javafx.scene.text.Font;
import javafx.stage.Stage;
import org.apache.commons.codec.binary.Hex;
import org.hibernate.exception.ConstraintViolationException;
import org.postgresql.util.PSQLException;

/**
 * FXML Controller class
 *
 * @author Baxos
 */
public class RegistrationWindowController implements Initializable {
    @FXML
    private Font x1;
    @FXML
    private ComboBox<Integer> userLevelComboBox;
    @FXML
    private Button registerButton;
    @FXML
    private PasswordField passwdTextField;
    @FXML
    private PasswordField passwdAgainTextField;
    @FXML
    private TextField userNameTextField;
    @FXML
    private TextField nameTextField;
    @FXML
    private TextField surnameTextField;

    private Stage actStage;
    private boolean triggerMainWindow = true;

    private void checkForFilledFields() {

        if (!this.nameTextField.getText().isEmpty() && !this.surnameTextField.getText().isEmpty()
                && !this.userNameTextField.getText().isEmpty() && !this.passwdTextField.getText().isEmpty()
                && !this.passwdAgainTextField.getText().isEmpty()) {
            this.registerButton.setDisable(false);
        } else {
            this.registerButton.setDisable(true);
        }
    }

    private boolean verifyInput() {

        if (this.surnameTextField.getText().length() > 2 && this.nameTextField.getText().length() > 2
                && this.passwdTextField.getText().length() > 2 && this.passwdAgainTextField.getText().length() > 2
                && this.userNameTextField.getText().length() > 2) {

            if (this.passwdTextField.getText().equals(this.passwdAgainTextField.getText())) {
                return true;
            } else {
                new CustomAlert(Alert.AlertType.WARNING, "Warning", "Registration unsuccessful",
                        "Password fields not matching.").showAndWait();
            }
        } else {
            new CustomAlert(Alert.AlertType.WARNING, "Warning", "Registration unsuccessful",
                    "Please fill in all the displayed fields. Each input must be at least 3 characters long.")
                            .showAndWait();
        }
        return false;
    }

    @Override
    public void initialize(URL url, ResourceBundle rb) {
        // TODO
    }

    public void userLevelAvailable(boolean value) {
        this.userLevelComboBox.setDisable(!value);
    }

    @FXML
    private void registerNewUser(ActionEvent event) {

        // Chceck fields for required lengh
        if (!verifyInput()) {
            return;
        }
        // Perform DB connection and transaction

        MessageDigest md = null;
        try {
            md = MessageDigest.getInstance("SHA-1");
            md.update(passwdTextField.getText().getBytes(Charset.forName("UTF-8")));

            User user = new User(userNameTextField.getText(), new String(Hex.encodeHex(md.digest())),
                    nameTextField.getText(), surnameTextField.getText(),
                    userLevelComboBox.getValue() == null ? 0 : userLevelComboBox.getValue());

            new UserDao().insert(user);
            // Trigger the main application window if needed
            if (this.triggerMainWindow) {
                goToMainWindowScene(user);
            }
            this.actStage.close();
        } catch (NoSuchAlgorithmException ex) {
            Logger.getLogger(RegistrationWindowController.class.getName()).log(Level.SEVERE, null, ex);
        } catch (ConstraintViolationException ex) {
            // Username already taken
            new CustomAlert(Alert.AlertType.WARNING, "Error", "Registration unsuccessful",
                    "Username is already taken. Please choose a different username and try again.").showAndWait();
            Logger.getLogger(RegistrationWindowController.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    @FXML
    private void keyInputDetected(KeyEvent event) {

        checkForFilledFields();
    }

    public void goToMainWindowScene(User user) {
        // Load properties file - TODO catch exception
        Properties prop = PropLoader.load("etc/config.properties");
        // Continue to main window screen
        try {
            FXMLLoader loader = new FXMLLoader(getClass().getResource(prop.getProperty("MainWindowPath")));
            Parent root = (Parent) loader.load();

            MainWindowController mainWindowController = loader.getController();
            mainWindowController.setActiveUser(user);

            //Scene scene = new Scene(root);
            Stage mainWindowStage = new Stage();
            mainWindowStage.setTitle("Fuel database");
            mainWindowStage.setMinHeight(mainWindowStage.getHeight());
            mainWindowStage.setMinWidth(mainWindowStage.getWidth());
            mainWindowStage.setScene(new Scene(root));

            mainWindowStage.show();
        } catch (IOException ex) {
            Logger.getLogger(LoginWindowController.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    public void setActStage(Stage stage) {
        this.actStage = stage;
    }

    public void setTriggerMainWindow(boolean triggerMainWindow) {
        this.triggerMainWindow = triggerMainWindow;
    }
}