Examples with WebClient io.helidon.webclient.WebClient used on opensource projects

Example 1 with WebClient

use of io.helidon.webclient.WebClient in project helidon by oracle.

the class ClientMain method main.

/**
 * Executes WebClient examples.
 *
 * If no argument provided it will take server port from configuration server.port.
 *
 * User can override port from configuration by main method parameter with the specific port.
 *
 * @param args main method
 */
public static void main(String[] args) {
    Config config = Config.create();
    String url;
    if (args.length == 0) {
        ConfigValue<Integer> port = config.get("server.port").asInt();
        if (!port.isPresent() || port.get() == -1) {
            throw new IllegalStateException("Unknown port! Please specify port as a main method parameter " + "or directly to config server.port");
        }
        url = "http://localhost:" + port.get() + "/greet";
    } else {
        url = "http://localhost:" + Integer.parseInt(args[0]) + "/greet";
    }
    WebClient webClient = WebClient.builder().baseUri(url).config(config.get("client")).addMediaSupport(JsonpSupport.create()).build();
    performPutMethod(webClient).flatMapSingle(it -> performGetMethod(webClient)).flatMapSingle(it -> followRedirects(webClient)).flatMapSingle(it -> getResponseAsAnJsonObject(webClient)).flatMapSingle(it -> saveResponseToFile(webClient)).flatMapSingle(it -> clientMetricsExample(url, config)).await();
}

Example 2 with WebClient

use of io.helidon.webclient.WebClient in project helidon by oracle.

the class ClientMainTest method createWebClient.

private void createWebClient(int port, WebClientService... services) {
    Config config = Config.create();
    WebClient.Builder builder = WebClient.builder().baseUri("http://localhost:" + port + "/greet").config(config.get("client")).addMediaSupport(JsonpSupport.create());
    for (WebClientService service : services) {
        builder.addService(service);
    }
    webClient = builder.build();
}

Example 3 with WebClient

use of io.helidon.webclient.WebClient in project helidon by oracle.

the class MutualTlsExampleTest method testBuilderAccessSuccessful.

@Test
public void testBuilderAccessSuccessful() {
    webServer = ServerBuilderMain.startServer(-1, -1).await();
    WebClient webClient = ClientBuilderMain.createWebClient();
    assertThat(ClientBuilderMain.callUnsecured(webClient, webServer.port()), is("Hello world unsecured!"));
    assertThat(ClientBuilderMain.callSecured(webClient, webServer.port("secured")), is("Hello Helidon-client!"));
}

Example 4 with WebClient

use of io.helidon.webclient.WebClient in project helidon by oracle.

the class LoadBalancedCoordinatorTest method waitForRecovery.

private void waitForRecovery(URI lraId) {
    URI coordinatorPath = coordinatorPath(lraId);
    for (int i = 0; i < 10; i++) {
        WebClient client = WebClient.builder().baseUri(coordinatorPath).build();
        WebClientResponse response = client.get().path("recovery").submit().await(TIMEOUT_SEC, TimeUnit.SECONDS);
        String recoveringLras = response.content().as(String.class).await(TIMEOUT_SEC, TimeUnit.SECONDS);
        response.close();
        if (!recoveringLras.contains(lraId.toASCIIString())) {
            LOGGER.fine("LRA is no longer among those recovering " + lraId.toASCIIString());
            // intended LRA is not longer among those recovering
            break;
        }
        LOGGER.fine("Waiting for recovery attempt #" + i + " LRA is still waiting: " + recoveringLras);
    }
}

Example 5 with WebClient

use of io.helidon.webclient.WebClient in project helidon by oracle.

the class MainTest method runMetricsAndHealthTest.

/**
 * Run some basic metrics and health operations on the server. The server supports
 * running with any of our three JSON libraries: jsonp, jsonb, jackson.
 * So we set a system property to select the library to use before starting
 * the server
 *
 * @param edition     "mp", "se"
 * @param jsonLibrary "jsonp", "jsonb" or "jackson"
 * @param useModules true to use modulepath, false to use classpath
 * @throws Exception on test failure
 */
private void runMetricsAndHealthTest(String edition, String jsonLibrary, boolean useModules) throws Exception {
    List<String> systemPropertyArgs = new LinkedList<>();
    if (jsonLibrary != null && !jsonLibrary.isEmpty()) {
        systemPropertyArgs.add("-Dapp.json-library=" + jsonLibrary);
    }
    HelidonApplication application;
    if (useModules) {
        application = startTheApplicationModule(editionToJarPath(edition), systemPropertyArgs, editionToModuleName(edition));
    } else {
        application = startTheApplication(editionToJarPath(edition), systemPropertyArgs);
    }
    WebClient webClient = WebClient.builder().baseUri(application.getBaseUrl()).addMediaSupport(JsonpSupport.create()).build();
    // Get Prometheus style metrics
    webClient.get().accept(MediaType.WILDCARD).path("/metrics").request(String.class).thenAccept(it -> assertThat("Making sure we got Prometheus format", it, startsWith("# TYPE"))).toCompletableFuture().get();
    // Get JSON encoded metrics
    webClient.get().accept(MediaType.APPLICATION_JSON).path("/metrics").request(JsonObject.class).thenAccept(it -> assertThat("Checking request count", it.getJsonObject("vendor").getInt("requests.count"), greaterThan(0))).toCompletableFuture().get();
    // Get JSON encoded metrics/base
    webClient.get().accept(MediaType.APPLICATION_JSON).path("/metrics/base").request(JsonObject.class).thenAccept(it -> assertThat("Checking request count", it.getInt("thread.count"), greaterThan(0))).toCompletableFuture().get();
    // Get JSON encoded health check
    webClient.get().accept(MediaType.APPLICATION_JSON).path("/health").request(JsonObject.class).thenAccept(it -> {
        assertThat("Checking health status", it.getString("status"), is("UP"));
        // 'microprofile-config.properties' setting in bookstore application
        if (edition.equals("mp")) {
            assertThat("Checking built-in health checks disabled", it.getJsonArray("checks").size(), is(0));
        }
    }).toCompletableFuture().get();
    application.stop();
}