private boolean hasValidInteger() {
   return Utils.hasValidInteger(window.getFdInterval());
 }
 private boolean hasAllSettings() {
   return !Utils.isNullOrEmpty(window.getFdUsername())
       && !Utils.isNullOrEmpty(window.getFdPassword())
       && !Utils.isNullOrEmpty(window.getFdHomepage())
       && !Utils.isNullOrEmpty(window.getFdMessage());
 }