code: public void init() {
          for (Resource resource : resources) {
              if (resource.exists()) {
                  try (InputStream in = resource.getInputStream()) {
                      readPropertyFile(in);
                  } catch (IOException ex) {
                      log.debug("Unable to load queries from " + resource.getDescription(), ex);
                  }
              } else {
                  log.info("Query file at {} not found. Ignoring it...", resource.getDescription());
              }
          }
      }
docs: Checks and starts the reading of the given Resources.