return false;
            }
            return !doubleValidator.isValid(obj.toString(), null);
        }).collect(Collectors.toList()));
    }

    default Map<String, Object> convertToEditableDoc(final Map<String, Object> source) {

        final Set<String> arrayFieldSet = getIndexAdminArrayFieldSet();
        final Set<String> dateFieldSet = getIndexAdminDateFieldSet();

        saveToken();
        form.initialize();
        form.crudMode = CrudMode.CREATE;
        getDoc(form).ifPresent(entity -> {
            form.doc = fessConfig.convertToEditableDoc(entity);
        });
        currentForm = form;
        return asEditHtml();
    }

    /**
     * Displays the form for editing an existing document.
     *