Examples with WebServer io.helidon.webserver.WebServer used on opensource projects

Example 11 with WebServer

use of io.helidon.webserver.WebServer in project helidon by oracle.

the class SignatureExampleUtil method startServer.

/**
 * Start a web server.
 *
 * @param routing routing to configre
 * @return started web server instance
 */
public static WebServer startServer(Routing routing, int port) {
    WebServer server = WebServer.builder(routing).port(port).build();
    long t = System.nanoTime();
    CountDownLatch cdl = new CountDownLatch(1);
    server.start().thenAccept(webServer -> {
        long time = System.nanoTime() - t;
        System.out.printf("Server started in %d ms ms%n", TimeUnit.MILLISECONDS.convert(time, TimeUnit.NANOSECONDS));
        System.out.printf("Started server on localhost:%d%n", webServer.port());
        System.out.println();
        cdl.countDown();
    }).exceptionally(throwable -> {
        throw new RuntimeException("Failed to start server", throwable);
    });
    try {
        cdl.await(START_TIMEOUT_SECONDS, TimeUnit.SECONDS);
    } catch (InterruptedException e) {
        throw new RuntimeException("Failed to start server within defined timeout: " + START_TIMEOUT_SECONDS + " seconds");
    }
    return server;
}

Example 12 with WebServer

use of io.helidon.webserver.WebServer in project helidon by oracle.

the class ServerMain method startServer.

/**
 * Start the server.
 *
 * @return the created {@link WebServer} instance
 */
static Single<WebServer> startServer() {
    // By default this will pick up application.yaml from the classpath
    Config config = Config.create();
    WebServer server = WebServer.builder(createRouting(config)).config(config.get("server")).addMediaSupport(JsonpSupport.create()).build();
    // Server threads are not daemon. No need to block. Just react.
    return server.start().peek(ws -> {
        serverPort = ws.port();
        System.out.println("WEB server is up! http://localhost:" + ws.port() + "/greet");
        ws.whenShutdown().thenRun(() -> System.out.println("WEB server is DOWN. Good bye!"));
    }).onError(t -> {
        System.err.println("Startup failed: " + t.getMessage());
        t.printStackTrace(System.err);
    });
}

Example 13 with WebServer

use of io.helidon.webserver.WebServer in project helidon by oracle.

the class Main method parametersAndHeaders.

/**
 * {@link io.helidon.webserver.ServerRequest ServerRequest} provides access to three types of "parameters":
 * <ul>
 *     <li>Headers</li>
 *     <li>Query parameters</li>
 *     <li>Path parameters - <i>Evaluated from provided {@code path pattern}</i></li>
 * </ul>
 * <p>
 * {@link java.util.Optional Optional} API is heavily used to represent parameters optionality.
 * <p>
 * WebServer {@link Parameters Parameters} API is used to represent fact, that <i>headers</i> and
 * <i>query parameters</i> can contain multiple values.
 */
public void parametersAndHeaders() {
    Routing routing = Routing.builder().get("/context/{id}", (req, res) -> {
        StringBuilder sb = new StringBuilder();
        // Request headers
        req.headers().first("foo").ifPresent(v -> sb.append("foo: ").append(v).append("\n"));
        // Request parameters
        req.queryParams().first("bar").ifPresent(v -> sb.append("bar: ").append(v).append("\n"));
        // Path parameters
        sb.append("id: ").append(req.path().param("id"));
        // Response headers
        res.headers().contentType(MediaType.TEXT_PLAIN);
        // Response entity (payload)
        res.send(sb.toString());
    }).build();
    startServer(routing);
}

Example 14 with WebServer

use of io.helidon.webserver.WebServer in project helidon by oracle.

the class VaultsExampleMain method main.

/**
 * Start the server.
 *
 * @param args ignored
 */
public static void main(String[] args) {
    LogConfig.configureRuntime();
    // as I cannot share my configuration of OCI, let's combine the configuration
    // from my home directory with the one compiled into the jar
    // when running this example, you can either update the application.yaml in resources directory
    // or use the same approach
    Config config = buildConfig();
    System.out.println("This example requires a valid OCI Vault, Secret and keys configured. It also requires " + "a Hashicorp Vault running with preconfigured data. Please see README.md");
    Security security = Security.create(config.get("security"));
    WebServer server = WebServer.builder().config(config.get("server")).routing(Routing.builder().register("/secrets", new SecretsService(security)).register("/encryption", new EncryptionService(security)).register("/digests", new DigestService(security))).build().start().await(10, TimeUnit.SECONDS);
    System.out.println("Server started on port: " + server.port());
    String baseAddress = "http://localhost:" + server.port() + "/";
    System.out.println("Secrets endpoints:");
    System.out.println();
    System.out.println("OCI secret:");
    System.out.println("\t" + baseAddress + "secrets/password");
    System.out.println("Config secret:");
    System.out.println("\t" + baseAddress + "secrets/token");
    System.out.println("HCP Vault secret:");
    System.out.println("\t" + baseAddress + "secrets/username");
    System.out.println();
    System.out.println("Encryption endpoints:");
    System.out.println("OCI encrypted:");
    System.out.println("\t" + baseAddress + "encryption/encrypt/crypto-1/text");
    System.out.println("\t" + baseAddress + "encryption/decrypt/crypto-1/cipherText");
    System.out.println("Config encrypted:");
    System.out.println("\t" + baseAddress + "encryption/encrypt/crypto-2/text");
    System.out.println("\t" + baseAddress + "encryption/decrypt/crypto-2/cipherText");
    System.out.println("HCP Vault encrypted:");
    System.out.println("\t" + baseAddress + "encryption/encrypt/crypto-3/text");
    System.out.println("\t" + baseAddress + "encryption/decrypt/crypto-3/cipherText");
    System.out.println();
    System.out.println("Signature/HMAC endpoints:");
    System.out.println("OCI Signature:");
    System.out.println("\t" + baseAddress + "digests/digest/sig-1/text");
    System.out.println("\t" + baseAddress + "digests/verify/sig-1/text/signature");
    System.out.println("HCP Vault Signature:");
    System.out.println("\t" + baseAddress + "digests/digest/sig-2/text");
    System.out.println("\t" + baseAddress + "digests/digest/sig-2/text/signature");
    System.out.println("HCP Vault HMAC:");
    System.out.println("\t" + baseAddress + "digests/digest/hmac-1/text");
    System.out.println("\t" + baseAddress + "digests/digest/hmac-2/text/hmac");
}

Example 15 with WebServer

use of io.helidon.webserver.WebServer in project helidon by oracle.

the class ConfigTest method runWithConfig.

private JsonObject runWithConfig(String configKey, int expectedStatus) throws InterruptedException, ExecutionException, TimeoutException {
    HealthSupport healthSupport = HealthSupport.builder().addLiveness(HealthChecks.healthChecks(testConfig.get(configKey + ".helidon.health"))).build();
    WebServer webServer = null;
    try {
        webServer = startServer(healthSupport);
        WebClientResponse response = webClientBuilder(webServer).build().get().accept(MediaType.APPLICATION_JSON).path("health/live").submit().await();
        assertThat("Normal health URL HTTP response", response.status().code(), is(expectedStatus));
        return response.content().as(JsonObject.class).await();
    } finally {
        if (webServer != null) {
            shutdownServer(webServer);
        }
    }
}