private Applications fetchRemoteRegistry()

in eureka-core/src/main/java/com/netflix/eureka/registry/RemoteRegionRegistry.java [402:438]
35 lines of code
10 McCabe index (conditional complexity)

    private Applications fetchRemoteRegistry(boolean delta) {
        logger.info("Getting instance registry info from the eureka server : {} , delta : {}", this.remoteRegionURL, delta);

        if (shouldUseExperimentalTransport()) {
            try {
                EurekaHttpResponse<Applications> httpResponse = delta ? eurekaHttpClient.getDelta() : eurekaHttpClient.getApplications();
                int httpStatus = httpResponse.getStatusCode();
                if (httpStatus >= 200 && httpStatus < 300) {
                    logger.debug("Got the data successfully : {}", httpStatus);
                    return httpResponse.getEntity();
                }
                logger.warn("Cannot get the data from {} : {}", this.remoteRegionURL, httpStatus);
            } catch (Throwable t) {
                logger.error("Can't get a response from {}", this.remoteRegionURL, t);
            }
        } else {
            ClientResponse response = null;
            try {
                String urlPath = delta ? "apps/delta" : "apps/";

                response = discoveryApacheClient.resource(this.remoteRegionURL + urlPath)
                        .accept(MediaType.APPLICATION_JSON_TYPE)
                        .get(ClientResponse.class);
                int httpStatus = response.getStatus();
                if (httpStatus >= 200 && httpStatus < 300) {
                    logger.debug("Got the data successfully : {}", httpStatus);
                    return response.getEntity(Applications.class);
                }
                logger.warn("Cannot get the data from {} : {}", this.remoteRegionURL, httpStatus);
            } catch (Throwable t) {
                logger.error("Can't get a response from {}", this.remoteRegionURL, t);
            } finally {
                closeResponse(response);
            }
        }
        return null;
    }