code: private Object parseFileParameter(final String serializedObject) {
          final File res = new File(serializedObject);
          if (!res.exists()) {
              throw new CoreRuntimeException("Impossible to load file " + serializedObject);
          }
          return res;
      }
docs: Parse a file definition by using canonical path.
  
  @param serializedObject the full file path
  
  @return the File object