class UserRegister2ValidationMidware {

    /**
     * Language service.
     */
    @Inject
    private LangPropsService langPropsService;

    /**
     * Option query service.
     */
    @Inject
    private OptionQueryService optionQueryService;

    /**
     * Max password length.
     *
     * <p>
     * MD5 32
     * </p>
     */
    private static final int MAX_PWD_LENGTH = 32;

    /**
     * Min password length.
     */
    private static final int MIN_PWD_LENGTH = 1;

    public void handle(final RequestContext context) {<FILL_FUNCTION_BODY>}

    /**
     * Checks password, length [1, 16].
     *
     * @param password the specific password
     * @return {@code true} if it is invalid, returns {@code false} otherwise
     */
    public static boolean invalidUserPassword(final String password) {
        return password.length() < MIN_PWD_LENGTH || password.length() > MAX_PWD_LENGTH;
    }

}

        final JSONObject requestJSONObject = context.requestJSON();

        // check if admin allow to register
        final JSONObject option = optionQueryService.getOption(Option.ID_C_MISC_ALLOW_REGISTER);
        if ("1".equals(option.optString(Option.OPTION_VALUE))) {
            context.renderJSON(new JSONObject().put(Keys.MSG, langPropsService.get("notAllowRegisterLabel")));
            context.abort();
            return;
        }

        final int appRole = requestJSONObject.optInt(UserExt.USER_APP_ROLE);
        final String password = requestJSONObject.optString(User.USER_PASSWORD);
        if (UserExt.USER_APP_ROLE_C_HACKER != appRole && UserExt.USER_APP_ROLE_C_PAINTER != appRole) {
            context.renderJSON(new JSONObject().put(Keys.MSG, langPropsService.get("registerFailLabel") + " - " + langPropsService.get("invalidAppRoleLabel")));
            context.abort();
            return;
        }


        if (invalidUserPassword(password)) {
            context.renderJSON(new JSONObject().put(Keys.MSG, langPropsService.get("registerFailLabel") + " - " + langPropsService.get("invalidPasswordLabel")));
            context.abort();
            return;
        }

        context.handle();
    
<no_super_class>