/**
  * create an entry in the export manifest for this file or folder
  *
  * @param repositoryFile
  * @throws ExportException
  */
 private void addToManifest(RepositoryFile repositoryFile) throws ExportException {
   if (this.withManifest) {
     // add this entity to the manifest
     RepositoryFileAcl fileAcl = unifiedRepository.getAcl(repositoryFile.getId());
     try {
       exportManifest.add(repositoryFile, fileAcl);
     } catch (ExportManifestFormatException e) {
       throw new ExportException(e.getMessage());
     }
   }
 }