Examples with AsyncExecChainHandler org.apache.hc.client5.http.async.AsyncExecChainHandler used on opensource projects

Example 1 with AsyncExecChainHandler

use of org.apache.hc.client5.http.async.AsyncExecChainHandler in project mercury by yellow013.

the class AsyncClientMessageTrailers method main.

public static final void main(final String[] args) throws Exception {
    final IOReactorConfig ioReactorConfig = IOReactorConfig.custom().setSoTimeout(Timeout.ofSeconds(5)).build();
    final CloseableHttpAsyncClient client = HttpAsyncClients.custom().setIOReactorConfig(ioReactorConfig).addExecInterceptorAfter(ChainElement.PROTOCOL.name(), "custom", new AsyncExecChainHandler() {

        @Override
        public void execute(final HttpRequest request, final AsyncEntityProducer entityProducer, final AsyncExecChain.Scope scope, final AsyncExecChain chain, final AsyncExecCallback asyncExecCallback) throws HttpException, IOException {
            // Send MD5 hash in a trailer by decorating the original entity producer
            chain.proceed(request, entityProducer != null ? new DigestingEntityProducer("MD5", entityProducer) : null, scope, asyncExecCallback);
        }
    }).build();
    client.start();
    final SimpleHttpRequest request = SimpleRequestBuilder.post("http://httpbin.org/post").setBody("some stuff", ContentType.TEXT_PLAIN).build();
    System.out.println("Executing request " + request);
    final Future<SimpleHttpResponse> future = client.execute(SimpleRequestProducer.create(request), SimpleResponseConsumer.create(), new FutureCallback<SimpleHttpResponse>() {

        @Override
        public void completed(final SimpleHttpResponse response) {
            System.out.println(request + "->" + new StatusLine(response));
            System.out.println(response.getBody());
        }

        @Override
        public void failed(final Exception ex) {
            System.out.println(request + "->" + ex);
        }

        @Override
        public void cancelled() {
            System.out.println(request + " cancelled");
        }
    });
    future.get();
    System.out.println("Shutting down");
    client.close(CloseMode.GRACEFUL);
}

Example 2 with AsyncExecChainHandler

use of org.apache.hc.client5.http.async.AsyncExecChainHandler in project mercury by yellow013.

the class AsyncClientInterceptors method main.

public static void main(final String[] args) throws Exception {
    final IOReactorConfig ioReactorConfig = IOReactorConfig.custom().setSoTimeout(Timeout.ofSeconds(5)).build();
    final CloseableHttpAsyncClient client = HttpAsyncClients.custom().setIOReactorConfig(ioReactorConfig).addRequestInterceptorFirst(new HttpRequestInterceptor() {

        private final AtomicLong count = new AtomicLong(0);

        @Override
        public void process(final HttpRequest request, final EntityDetails entity, final HttpContext context) throws HttpException, IOException {
            request.setHeader("request-id", Long.toString(count.incrementAndGet()));
        }
    }).addExecInterceptorAfter(ChainElement.PROTOCOL.name(), "custom", new AsyncExecChainHandler() {

        @Override
        public void execute(final HttpRequest request, final AsyncEntityProducer requestEntityProducer, final AsyncExecChain.Scope scope, final AsyncExecChain chain, final AsyncExecCallback asyncExecCallback) throws HttpException, IOException {
            final Header idHeader = request.getFirstHeader("request-id");
            if (idHeader != null && "13".equalsIgnoreCase(idHeader.getValue())) {
                final HttpResponse response = new BasicHttpResponse(HttpStatus.SC_NOT_FOUND, "Oppsie");
                final ByteBuffer content = ByteBuffer.wrap("bad luck".getBytes(StandardCharsets.US_ASCII));
                final AsyncDataConsumer asyncDataConsumer = asyncExecCallback.handleResponse(response, new BasicEntityDetails(content.remaining(), ContentType.TEXT_PLAIN));
                asyncDataConsumer.consume(content);
                asyncDataConsumer.streamEnd(null);
            } else {
                chain.proceed(request, requestEntityProducer, scope, asyncExecCallback);
            }
        }
    }).build();
    client.start();
    final String requestUri = "http://httpbin.org/get";
    for (int i = 0; i < 20; i++) {
        final SimpleHttpRequest request = SimpleRequestBuilder.get(requestUri).build();
        System.out.println("Executing request " + request);
        final Future<SimpleHttpResponse> future = client.execute(request, new FutureCallback<SimpleHttpResponse>() {

            @Override
            public void completed(final SimpleHttpResponse response) {
                System.out.println(request + "->" + new StatusLine(response));
                System.out.println(response.getBody());
            }

            @Override
            public void failed(final Exception ex) {
                System.out.println(request + "->" + ex);
            }

            @Override
            public void cancelled() {
                System.out.println(request + " cancelled");
            }
        });
        future.get();
    }
    System.out.println("Shutting down");
    client.close(CloseMode.GRACEFUL);
}