private void loadFrom(final InputStream inputStream) throws IOException {
    final Properties properties = new Properties();
    // Solve the problem that the. Job file contains Chinese and reads garbled code.
    BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream , "UTF-8"));
    properties.load(bufferedReader);
    this.put(properties);
  }
Clones the Props p object and all of its parents.
dss-appconn/appconns/dss-eventchecker-appconn/src/main/java/com/webank/wedatasphere/dss/appconn/eventchecker/utils/Props.java