ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public Integer getPasswordMinLengthAsInteger() {
                return 8;
            }

            @Override
            public boolean isPasswordRequireUppercase() {
                return false;
            }

        switch (errorKey) {
        case "errors.password_length":
            messages.addErrorsPasswordLength("password", String.valueOf(ComponentUtil.getFessConfig().getPasswordMinLengthAsInteger()));
            break;
        case "errors.password_no_uppercase":
            messages.addErrorsPasswordNoUppercase("password");
            break;
        case "errors.password_no_lowercase":

            return "errors.blank_password";
        }

        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        final Integer minLength = fessConfig.getPasswordMinLengthAsInteger();
        if (minLength != null && minLength > 0 && password.length() < minLength) {
            return "errors.password_length";
        }