public JsonResponse<ApiResult> post$upload(final UploadForm form) {
        validateApi(form, messages -> {});
        if (form.file == null) {
            throwValidationErrorApi(messages -> messages.addErrorsStorageNoUploadFile(GLOBAL));
        }
        final String fileName = form.file.getFileName();
        try {
            uploadObject(getObjectName(form.path, fileName), form.file);

    public HtmlResponse upload(final ItemForm form) {
        validate(form, messages -> {}, () -> asListHtml(form.path));
        if (form.uploadFile == null) {
            throwValidationError(messages -> messages.addErrorsStorageNoUploadFile(GLOBAL), () -> asListHtml(form.path));
        }
        verifyToken(() -> asListHtml(form.path));
        try {
            uploadObject(getObjectName(form.path, form.uploadFile.getFileName()), form.uploadFile);

     * <pre>
     * message: Upload file is required.
     * </pre>
     * @param property The property name for the message. (NotNull)
     * @return this. (NotNull)
     */
    public FessMessages addErrorsStorageNoUploadFile(String property) {
        assertPropertyNotNull(property);
        add(property, new UserMessage(ERRORS_storage_no_upload_file));
        return this;
    }

    /**