code: @Override
      public File toFile() throws IOException {
          File temp = File.createTempFile("wisdom-fup", name());
          FileUtils.writeByteArrayToFile(temp, bytes());
          return temp;
      }
docs: Gets a {@link java.io.File} object for this uploaded file. This file is a <strong>temporary</strong> file.
  Depending on how is handled the file upload, the file may already exist, or not (in-memory) and then is created.
  
  @return a file object
  @throws java.io.IOException if the file object cannot be created or retrieved
  @since 0.7.1