if (config.isDefaultResponseCharset() || config.isUseAcceptCharset()) { if (httpHeaders != null && (httpHeaders.isEmpty() || httpHeaders .get(HttpHeaders.CONTENT_TYPE) == null)) {
setAttribute(ResourceRegistry.class, configuration.getResourceRegistry()); setAttribute(ProvidersRegistry.class, configuration.getProvidersRegistry()); if (configuration.isDefaultResponseCharset() || configuration.isUseAcceptCharset()) { setAttribute(MediaTypeCharsetAdjuster.class, ServerMediaTypeCharsetAdjuster.getInstance());