protected void setDefaults() {
   super.setDefaults();
   child = new String[0];
   host = new String[0];
   mode = null;
   showType = TYPE_PROBLEMS;
   fresh = true;
 }
  public void reset(ActionMapping mapping, HttpServletRequest request) {
    setDefaults();
    super.reset(mapping, request);

    // Make sure mode is valid
    mode = request.getParameter(Constants.MODE_PARAM);
    if ((mode == null) || (mode.length() == 0)) {
      mode = Constants.MODE_MON_CUR;
    }
  }