code: public static String toLog(XmlProperty data) {
           if (data.channels == null) {
              return data.getName() + "(" + data.getOwner() + ")";
          } else {
              return data.getName() + "(" + data.getOwner() + ")"
                      + (data.channels);
          }
      }
docs: Creates a compact string representation for the log.
  
  @param data the XmlProperty to log
  @return string representation for log