private Value generatePayload()

in eureka-core/src/main/java/com/netflix/eureka/registry/ResponseCacheImpl.java [412:462]
50 lines of code
9 McCabe index (conditional complexity)

    private Value generatePayload(Key key) {
        Stopwatch tracer = null;
        try {
            String payload;
            switch (key.getEntityType()) {
                case Application:
                    boolean isRemoteRegionRequested = key.hasRegions();

                    if (ALL_APPS.equals(key.getName())) {
                        if (isRemoteRegionRequested) {
                            tracer = serializeAllAppsWithRemoteRegionTimer.start();
                            payload = getPayLoad(key, registry.getApplicationsFromMultipleRegions(key.getRegions()));
                        } else {
                            tracer = serializeAllAppsTimer.start();
                            payload = getPayLoad(key, registry.getApplications());
                        }
                    } else if (ALL_APPS_DELTA.equals(key.getName())) {
                        if (isRemoteRegionRequested) {
                            tracer = serializeDeltaAppsWithRemoteRegionTimer.start();
                            versionDeltaWithRegions.incrementAndGet();
                            versionDeltaWithRegionsLegacy.incrementAndGet();
                            payload = getPayLoad(key,
                                    registry.getApplicationDeltasFromMultipleRegions(key.getRegions()));
                        } else {
                            tracer = serializeDeltaAppsTimer.start();
                            versionDelta.incrementAndGet();
                            versionDeltaLegacy.incrementAndGet();
                            payload = getPayLoad(key, registry.getApplicationDeltas());
                        }
                    } else {
                        tracer = serializeOneApptimer.start();
                        payload = getPayLoad(key, registry.getApplication(key.getName()));
                    }
                    break;
                case VIP:
                case SVIP:
                    tracer = serializeViptimer.start();
                    payload = getPayLoad(key, getApplicationsForVip(key, registry));
                    break;
                default:
                    logger.error("Unidentified entity type: {} found in the cache key.", key.getEntityType());
                    payload = "";
                    break;
            }
            return new Value(payload);
        } finally {
            if (tracer != null) {
                tracer.stop();
            }
        }
    }