code: public boolean handleActionPath(String requestPath, ActionFoundPathHandler handler) throws Exception {
          assertArgumentNotNull("requestPath", requestPath);
          assertArgumentNotNull("handler", handler);
          final MappingPathResource pathResource = customizeActionMapping(requestPath);
          return mappingActionPath(pathResource, handler);
      }
docs: Handle the action path from the specified request path.
  @param requestPath The request path to be analyzed. (NotNull)
  @param handler The handler of the action path when the action is found. (NotNull)
  @return Is it actually handled? (false if not found)
  @throws Exception When the handler throws or internal process throws.