code: public long longer(Node element, String path) throws XmlException {
          String str;
  
          str = string(element, path);
          try {
              return Long.parseLong(str);
          } catch (NumberFormatException e) {
              throw new XmlException("number expected node " + path + ": " + str);
          }
      }
docs: Checkstyle rejects method name long_