public static ProxyServer getProxyServer(AsyncHttpClientConfig config, Request request) {
ProxyServer proxyServer = request.getProxyServer();
if (proxyServer == null) {
ProxyServerSelector selector = config.getProxyServerSelector();
if (selector != null) {
proxyServer = selector.select(request.getUri());
}
}
return ProxyUtils.avoidProxy(proxyServer, request) ? null : proxyServer;
}