code: public void setUiOriginalFileName(final String uiOriginalFileName) {
          this.uiOriginalFileName = uiOriginalFileName;
          if (this.uiOriginalFileName != null && !this.uiOriginalFileName.isEmpty()) originalFileName = this.uiOriginalFileName;
      }
docs: The UI will attempt to assign an empty value if the file upload box does not have a file selected. This method is used to
  ignore any empty values, while passing through any legitimate file uploads. This means that the absence of a file in the
  upload box does not indicate that no file should be assigned to the entity.
  
  @param uiOriginalFileName The image file name uploaded through the UI