Enregistrement d’un utilisateur

public class RegisterJDialog extends JDialog implements ActionListener, PropertyChangeListener, WindowListener{
    private static final long serialVersionUID = 1L;
    private JLabel nameLabel;
    private JLabel emailLabel;
    private JLabel passwordLabel;
    private JTextField nameField;
    private JTextField emailField;
    private JPasswordField passwordField ;
    private JButton boutonRegister;
    private ConnectionRest connectionRest;
    private PropertyChangeSupport ptChSupport = new PropertyChangeSupport(this);
                        
    public RegisterJDialog(JFrame mainFrame){
        super(mainFrame);    
        initialize();
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        if (e.getSource().equals(boutonRegister)) {
            try {    
                JSONObject jsonAuthentification = new JSONObject();
                jsonAuthentification.put("name",nameField.getText());
                jsonAuthentification.put("email",emailField.getText());
                jsonAuthentification.put("password",new String(passwordField.getPassword()));
                jsonAuthentification.put("licence","MNA-1A-5U-1");
                connectionRest = new ConnectionRest("CREATE_USER");
                connectionRest.setObj(jsonAuthentification);
                connectionRest.addPropertyChangeListener(this);
                connectionRest.start();
            } catch (JSONException e1) {
                e1.printStackTrace();
            }
        }
    }
    
    @Override
    public void propertyChange(PropertyChangeEvent evt) {
        if(evt.getSource().equals(connectionRest)){
            if(((String)evt.getNewValue()).charAt(0)=='{'){
                System.err.println("Erreur : "+evt.getNewValue());
            }else {
                ptChSupport.firePropertyChange("AuthorizationOk", null, evt.getNewValue());
                this.setVisible(false);
            }
        }
    }
    
    private void initialize() {
        try {
            UIManager.setLookAndFeel(new NimbusLookAndFeel());
            this.setSize(240, 190);
            this.setLocationRelativeTo(null);
            this.addWindowListener(this);
            this.setTitle("Enregistrement");
            
            nameLabel = new JLabel("Nom : ");
            emailLabel = new JLabel("E-mail : ");
            passwordLabel = new JLabel("Password : ");

            nameField = new JTextField();
            emailField = new JTextField();
            passwordField = new JPasswordField();

            boutonRegister = new JButton("S'enregistrer");
            getContentPane().setLayout(new GridBagLayout());
            
            GridBagConstraints gbc = new GridBagConstraints();
            gbc.insets = new Insets(4, 4, 4, 4);

            
            gbc.gridx = 0;
            gbc.gridy = 0;
            gbc.weightx = 0;
            getContentPane().add(nameLabel, gbc);
            
            gbc.gridx = 1;
            gbc.gridy = 0;
            gbc.fill = GridBagConstraints.HORIZONTAL;
            gbc.weightx = 1;
            getContentPane().add(nameField, gbc);
            
            gbc.gridx = 0;
            gbc.gridy = 1;
            gbc.weightx = 0;
            getContentPane().add(emailLabel, gbc);

            gbc.gridx = 1;
            gbc.gridy = 1;
            gbc.fill = GridBagConstraints.HORIZONTAL;
            gbc.weightx = 1;
            getContentPane().add(emailField, gbc);

            gbc.gridx = 0;
            gbc.gridy = 2;
            gbc.fill = GridBagConstraints.NONE;
            gbc.weightx = 0;
            getContentPane().add(passwordLabel, gbc);
            
            gbc.gridx = 1;
            gbc.gridy = 2;
            gbc.weightx = 1;
            gbc.fill = GridBagConstraints.HORIZONTAL;
            getContentPane().add(passwordField, gbc);

            gbc.gridx = 0;
            gbc.gridy = 3;
            gbc.weightx = 2;
            gbc.gridwidth = 2;
            getContentPane().add(boutonRegister, gbc);
            
            boutonRegister.addActionListener(this);    
        } catch (Exception exc) {
            exc.printStackTrace();
        }
    }
    
    public void windowClosing(WindowEvent e) {
        ptChSupport.firePropertyChange("Login", null,null);
        this.setVisible(false);
    }

    public void addPropertyChangeListener(PropertyChangeListener l){ptChSupport.addPropertyChangeListener(l);}
    public void removePropertyChangeListener(PropertyChangeListener l){ptChSupport.removePropertyChangeListener(l);}

    public void windowDeactivated(WindowEvent e) {}
    public void windowActivated(WindowEvent e) {}
    public void windowClosed(WindowEvent e) {}
    public void windowDeiconified(WindowEvent e) {}
    public void windowIconified(WindowEvent e) {}
    public void windowOpened(WindowEvent e) {}
}

public class RestJFrame extends JFrame implements ActionListener, PropertyChangeListener{
    ...
    private RegisterJDialog registerJDialog = null;
    ...
    public void propertyChange(PropertyChangeEvent evt) {
        if(evt.getSource().equals(loginJDialog)&&evt.getPropertyName().equals("AuthorizationOk")){
            productTableModel.setToken((String)evt.getNewValue());
            refresh();
        }else if(evt.getSource().equals(loginJDialog)&&evt.getPropertyName().equals("Register")){
            registerJDialog.setVisible(true);
        }else if(evt.getSource().equals(registerJDialog)&&evt.getPropertyName().equals("AuthorizationOk")){
            productTableModel.setToken((String)evt.getNewValue());
            refresh();
        }else if(evt.getSource().equals(registerJDialog)&&evt.getPropertyName().equals("Login")){
            loginJDialog.setVisible(true);
        }
    }
    ...
    private void initialize() {
        ...
        registerJDialog = new RegisterJDialog(this);
        registerJDialog.addPropertyChangeListener(this);
        ...
    }
    ...
}

public class LoginJDialog extends JDialog implements ActionListener, PropertyChangeListener{
    ...
    private JButton boutonRegister;
    ...
    public void actionPerformed(ActionEvent e) {
        ...
        else if (e.getSource().equals(boutonRegister)) {
            ptChSupport.firePropertyChange("Register", null, null);
            this.setVisible(false);
        }
    }
    ...
    private void initialize() {
        ...
        boutonRegister = new JButton("S'enregistrer");
        ...
        gbc.gridx = 0;
        gbc.gridy = 2;
        gbc.weightx = 2;
        gbc.gridwidth = 2;
        getContentPane().add(boutonRegister, gbc);
        ...
    }
    ...
}

public class ConnectionRest extends Thread{
    ...
    public String get(String pMethode) throws IOException, JSONException {
        ...
        if (!pMethode.equals("POST") && (jsonObj != null)&&!pMethode.equals("CREATE_USER")) {
            ...
        }
        ...
        if (pMethode.equals("CREATE_USER")) {
            pMethode = "POST";
            url = URL + "register.php";
        }
        try {
            ...
        } finally {
            ...
        }
        ...
    }
    ...
}