update account in account manager

/*
     Update the signed-in user's account profile. Return "" if an error occurs;w
     otherwise, upon successful account update, redirect to show the Profile page.
     */

    public String updateAccount() throws Exception {

        if (statusMessage == null || statusMessage.isEmpty()) {

            // Obtain the signed-in user's username
            String user_name = (String) FacesContext.getCurrentInstance().
                    getExternalContext().getSessionMap().get("username");

            // Obtain the object reference of the signed-in user
            Responder editResponder = getResponderFacade().findByUsername(user_name);

            try {
                /*
                Set the signed-in user's properties to the values entered by
                the user in the EditAccountProfileForm in EditAccount.xhtml.
                 */
                editResponder.setResponderName(this.selected.getResponderName());
                editResponder.setEmail(this.selected.getEmail());
                editResponder.setLocationName(this.selected.getLocationId().getLocationName());
                editResponder.setUsername(this.selected.getUsername());
//                Location userLocation = getLatLongFromAddress(city, state, zipcode);
//                editResponder.setLocationId(userLocation);

                // It is optional for the user to change his/her password
                String new_Password = getNewPassword();

                if (new_Password == null || new_Password.isEmpty()) {
                    // Do nothing. The user does not want to change the password.
                } else {
                    editResponder.setPassword(new_Password);
                    // Password changed successfully!
                    // Password was first validated by invoking the validatePasswordChange method below.
                }

                // Store the changes in the CloudDriveDB database
                getResponderFacade().edit(editResponder);

            } catch (EJBException e) {
                username = "";
                statusMessage = "Something went wrong while editing user's profile! See: " + e.getMessage();
                return "";
            }
            // Account update is completed, redirect to show the Profile page.
            return "Profile.xhtml?faces-redirect=true";
        }
        return "";
    }