public void execute()

in httpcore5/src/main/java/org/apache/hc/core5/http/impl/bootstrap/HttpAsyncRequester.java [277:383]
88 lines of code
4 McCabe index (conditional complexity)

    public void execute(
            final AsyncClientExchangeHandler exchangeHandler,
            final HandlerFactory<AsyncPushConsumer> pushHandlerFactory,
            final Timeout timeout,
            final HttpContext executeContext) {
        Args.notNull(exchangeHandler, "Exchange handler");
        Args.notNull(timeout, "Timeout");
        Args.notNull(executeContext, "Context");
        try {
            exchangeHandler.produceRequest((request, entityDetails, requestContext) -> {
                final String scheme = request.getScheme();
                final URIAuthority authority = request.getAuthority();
                if (authority == null) {
                    throw new ProtocolException("Request authority not specified");
                }
                final HttpHost target = new HttpHost(scheme, authority);
                connect(target, timeout, null, new FutureCallback<AsyncClientEndpoint>() {

                    @Override
                    public void completed(final AsyncClientEndpoint endpoint) {
                        endpoint.execute(new AsyncClientExchangeHandler() {

                            @Override
                            public void releaseResources() {
                                endpoint.releaseAndDiscard();
                                exchangeHandler.releaseResources();
                            }

                            @Override
                            public void failed(final Exception cause) {
                                endpoint.releaseAndDiscard();
                                exchangeHandler.failed(cause);
                            }

                            @Override
                            public void cancel() {
                                endpoint.releaseAndDiscard();
                                exchangeHandler.cancel();
                            }

                            @Override
                            public void produceRequest(final RequestChannel channel, final HttpContext httpContext) throws HttpException, IOException {
                                channel.sendRequest(request, entityDetails, httpContext);
                            }

                            @Override
                            public int available() {
                                return exchangeHandler.available();
                            }

                            @Override
                            public void produce(final DataStreamChannel channel) throws IOException {
                                exchangeHandler.produce(channel);
                            }

                            @Override
                            public void consumeInformation(final HttpResponse response, final HttpContext httpContext) throws HttpException, IOException {
                                exchangeHandler.consumeInformation(response, httpContext);
                            }

                            @Override
                            public void consumeResponse(
                                    final HttpResponse response, final EntityDetails entityDetails, final HttpContext httpContext) throws HttpException, IOException {
                                if (entityDetails == null) {
                                    endpoint.releaseAndReuse();
                                }
                                exchangeHandler.consumeResponse(response, entityDetails, httpContext);
                            }

                            @Override
                            public void updateCapacity(final CapacityChannel capacityChannel) throws IOException {
                                exchangeHandler.updateCapacity(capacityChannel);
                            }

                            @Override
                            public void consume(final ByteBuffer src) throws IOException {
                                exchangeHandler.consume(src);
                            }

                            @Override
                            public void streamEnd(final List<? extends Header> trailers) throws HttpException, IOException {
                                endpoint.releaseAndReuse();
                                exchangeHandler.streamEnd(trailers);
                            }

                        }, pushHandlerFactory, executeContext);

                    }

                    @Override
                    public void failed(final Exception ex) {
                        exchangeHandler.failed(ex);
                    }

                    @Override
                    public void cancelled() {
                        exchangeHandler.cancel();
                    }

                });

            }, executeContext);

        } catch (final IOException | HttpException ex) {
            exchangeHandler.failed(ex);
        }
    }