code: private void parseMultipartFormData() {
          String multipartFormDataParser = getSetting(MULTIPART_FORM_DATA_PARSER_SETTING_NAME);
          if (multipartFormDataParser == null) {
              throw new MultipartRequestParseException("The setting name 'multipartFormDataParser' for multipart " +
                      "form data parsing is not specified. Please specify 'multipartFormDataParser' via Aspect so " +
                      "that Translet can parse multipart form data.");
          }
  
          MultipartFormDataParser parser = getBean(multipartFormDataParser);
          if (parser == null) {
              throw new MultipartRequestParseException("No bean named '" + multipartFormDataParser + "' is defined");
          }
          parser.parse(getRequestAdapter());
      }
docs: Parse the multipart form data.