Examples with HttpClient io.servicetalk.http.api.HttpClient used on opensource projects

Example 1 with HttpClient

use of io.servicetalk.http.api.HttpClient in project servicetalk by apple.

the class ClientEffectiveStrategyTest method getResponse.

private String getResponse(ClientType clientType, StreamingHttpClient client) throws Exception {
    switch(clientType) {
        case Blocking:
            BlockingHttpClient blockingClient = client.asBlockingClient();
            return blockingClient.request(blockingClient.get("/")).payloadBody().toString(StandardCharsets.US_ASCII);
        case BlockingStreaming:
            BlockingStreamingHttpClient blockingStreamingClient = client.asBlockingStreamingClient();
            Supplier<CompositeBuffer> supplier = client.executionContext().bufferAllocator()::newCompositeBuffer;
            return StreamSupport.stream(blockingStreamingClient.request(blockingStreamingClient.get("/")).payloadBody().spliterator(), false).reduce((Buffer base, Buffer buffer) -> (base instanceof CompositeBuffer ? ((CompositeBuffer) base) : supplier.get().addBuffer(base)).addBuffer(buffer)).map(buffer -> buffer.toString(StandardCharsets.US_ASCII)).orElse("");
        case AsyncStreaming:
            return client.request(client.get("/")).flatMap(resp -> resp.payloadBody().collect(() -> client.executionContext().bufferAllocator().newCompositeBuffer(), CompositeBuffer::addBuffer)).toFuture().get().toString(StandardCharsets.US_ASCII);
        case Async:
            HttpClient httpClient = client.asClient();
            return httpClient.request(httpClient.get("/")).toFuture().get().payloadBody().toString(StandardCharsets.US_ASCII);
        default:
            fail("Unexpected client type " + clientType);
            /* NOTREACHED */
            return "failed";
    }
}

Example 2 with HttpClient

use of io.servicetalk.http.api.HttpClient in project servicetalk by apple.

the class MultiAddressUrlRedirectClient method main.

public static void main(String... args) throws Exception {
    try (HttpClient client = HttpClients.forMultiAddressUrl().followRedirects(new RedirectConfigBuilder().maxRedirects(3).allowNonRelativeRedirects(true).allowedMethods(GET, POST).redirectPredicate((relative, redirectCount, prevRequest, redirectResponse) -> // allow only relative redirects
    relative || // OR non-relative redirects to a trusted server:
    redirectResponse.headers().get(LOCATION, "").toString().startsWith("https://localhost:" + SECURE_SERVER_PORT)).headersToRedirect(CUSTOM_HEADER).redirectPayloadBody(true).redirectRequestTransformer((relative, prevRequest, redirectResponse, redirectedRequest) -> {
        // prevRequest and redirectResponse: check/copy other headers, modify request method, etc.
        return redirectedRequest;
    }).build()).initializer((scheme, address, builder) -> {
        // already provides default SSL configuration and this step may be skipped.
        if ("https".equalsIgnoreCase(scheme)) {
            builder.sslConfig(new ClientSslConfigBuilder(DefaultTestCerts::loadServerCAPem).build());
        }
    }).build()) {
        final String serverThatRedirects = "http://localhost:" + NON_SECURE_SERVER_PORT;
        System.out.println("- Simple GET request:");
        client.request(client.get(serverThatRedirects + "/relative")).whenOnSuccess(resp -> {
            System.out.println(resp.toString((name, value) -> value));
            System.out.println(resp.payloadBody(textSerializerAscii()));
            System.out.println();
        }).toFuture().get();
        System.out.println("- Relative redirect for POST request with headers and payload body:");
        client.request(client.post(serverThatRedirects + "/relative").addHeader(CUSTOM_HEADER, "value").payloadBody(client.executionContext().bufferAllocator().fromAscii("some_content"))).whenOnSuccess(resp -> {
            System.out.println(resp.toString((name, value) -> value));
            System.out.println(resp.payloadBody(textSerializerAscii()));
            System.out.println();
        }).toFuture().get();
        System.out.println("- Non-relative redirect for POST request with headers and payload body:");
        client.request(client.post(serverThatRedirects + "/non-relative").addHeader(CUSTOM_HEADER, "value").payloadBody(client.executionContext().bufferAllocator().fromAscii("some_content"))).whenOnSuccess(resp -> {
            System.out.println(resp.toString((name, value) -> value));
            System.out.println(resp.payloadBody(textSerializerAscii()));
            System.out.println();
        }).toFuture().get();
    }
}

Example 3 with HttpClient

use of io.servicetalk.http.api.HttpClient in project servicetalk by apple.

the class RetryUrlClient method main.

public static void main(String[] args) throws Exception {
    try (HttpClient client = HttpClients.forMultiAddressUrl().initializer((scheme, address, builder) -> {
        builder.appendClientFilter(new RetryingHttpRequesterFilter.Builder().responseMapper(httpResponseMetaData -> SERVER_ERROR_5XX.contains(httpResponseMetaData.status()) ? // Response status is 500-599, we request a retry
        new RetryingHttpRequesterFilter.HttpResponseException("Retry 5XX", httpResponseMetaData) : // Not a 5XX response, we do not know whether retry is required
        null).retryResponses((meta, error) -> RetryingHttpRequesterFilter.BackOffPolicy.ofImmediate(2)).build());
    }).build()) {
        client.request(client.get("http://localhost:8080/sayHello")).whenOnSuccess(resp -> {
            System.out.println(resp.toString((name, value) -> value));
            System.out.println(resp.payloadBody(textSerializerUtf8()));
        }).toFuture().get();
    }
}

Example 4 with HttpClient

use of io.servicetalk.http.api.HttpClient in project servicetalk by apple.

the class PojoClient method main.

public static void main(String[] args) throws Exception {
    try (HttpClient client = HttpClients.forSingleAddress("localhost", 8080).build()) {
        client.request(client.post("/pojos").payloadBody(new CreatePojoRequest("value"), REQ_SERIALIZER)).whenOnSuccess(resp -> {
            System.out.println(resp.toString((name, value) -> value));
            System.out.println(resp.payloadBody(RESP_SERIALIZER));
        }).toFuture().get();
    }
}

Example 5 with HttpClient

use of io.servicetalk.http.api.HttpClient in project servicetalk by apple.

the class ExpectContinueTest method retryExpectationFailedAggregated.

@ParameterizedTest(name = "protocol={0} withCL={1}")
@MethodSource("arguments")
void retryExpectationFailedAggregated(HttpProtocol protocol, boolean withCL) throws Exception {
    try (HttpServerContext serverContext = startServer(protocol);
        HttpClient client = createClient(serverContext, protocol, new RetryingHttpRequesterFilter.Builder().retryExpectationFailed(true).build()).asClient()) {
        Future<HttpResponse> responseFuture = client.request(newRequest(client, withCL, true, PAYLOAD + PAYLOAD, client.executionContext().bufferAllocator())).toFuture();
        requestReceived.await();
        sendContinue.countDown();
        returnResponse.countDown();
        HttpResponse response = responseFuture.get();
        assertThat(response.status(), is(OK));
        assertThat(response.payloadBody().toString(US_ASCII), equalTo(PAYLOAD + PAYLOAD));
    }
}