code: public static Long safeJsonToLong(Object obj) {
          Long longValue = null;
  
          try {
              String str = safeJsonToString(obj);
              longValue = str != null ? Long.parseLong(str) : null;
          } catch (NumberFormatException e) {
              LOGGER.warn("Safe JSON conversion to Long failed", e);
          }
  
          return longValue;
      }
docs: Safely converts an object into an long
  
  @param obj The object to convert.
  @return a Long representing the long value of the Object (null if the object cannot be converted to Long)