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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def ParseFileObject(self, parser_mediator, file_object):
 """Parses various Docker configuration and log files in JSON format. This methods checks whether the file_object points to a docker JSON config or log file, and calls the corresponding _Parse* function to generate Events. Args: parser_mediator (ParserMediator):
 mediates interactions between parsers and other components, such as storage and dfvfs. file_object (dfvfs.FileIO):
 a file-like object. Raises: UnableToParseFile: when the file cannot be parsed. ValueError: if the JSON file cannot be decoded. """

    # Trivial JSON format check: first character must be an open brace.
    if file_object.read(1) != b'{':
      raise errors.UnableToParseFile(
          'is not a valid JSON file, missing opening brace.')

    file_object.seek(0, os.SEEK_SET)

    file_entry = parser_mediator.GetFileEntry()

    file_system = file_entry.GetFileSystem()

    json_file_path = parser_mediator.GetDisplayName()
    split_path = file_system.SplitPath(json_file_path)
    try:
      if 'containers' in split_path:
        if 'config.json' in split_path:
          self._ParseContainerConfigJSON(parser_mediator, file_object)
        if json_file_path.endswith('-json.log'):
          self._ParseContainerLogJSON(parser_mediator, file_object)
      elif 'graph' in split_path:
        if 'json' in split_path:
          self._ParseLayerConfigJSON(parser_mediator, file_object)
    except ValueError as exception:
      if exception == 'No JSON object could be decoded':
        raise errors.UnableToParseFile(exception)
      else:
        raise