code: @Override
      public void checkRepositoryStatus() throws IOException {
          for (File f : assets) {
              if (!f.exists()) {
                  throw new FileNotFoundException("Could not find " + f + " in the LooseFileRepository");
              }
          }
      }
docs: Checks the repository availability
  
  @return This will return void if all is ok but will throw an exception if
  there are any problems
  @throws FileNotFoundException