code: public static LocalDocument findLocalDocumentByParentAndUrlName(Folder parentFolder, String urlName) {
      ResourceDAO resourceDAO = new ResourceDAO();
      
      Resource resource = resourceDAO.findByUrlNameAndParentFolder(urlName, parentFolder);
      if (resource instanceof LocalDocument) {
        return (LocalDocument) resource;
      }
      
      return null;
    }
docs: Returns local document by parent folder and URL name
  
  @param parentFolder parent folder
  @param urlName URL name
  @return Document or null if not found