/** * Copyright (c) 2019 Red Hat, Inc. * This program and the accompanying materials are made * available under the terms of the Eclipse Public License 2.0 * which is available at: * * https://www.eclipse.org/legal/epl-2.0/ * * SPDX-License-Identifier: EPL-2.0 * * Contributors: * Red Hat, Inc. - initial API and implementation */ package io.fabirc8.maven.sample.vertx; import io.vertx.core.AbstractVerticle; import io.vertx.core.Future; import io.vertx.core.json.JsonObject; import io.vertx.ext.web.Router; import io.vertx.ext.web.RoutingContext; import io.vertx.ext.web.handler.StaticHandler; import static io.vertx.core.http.HttpHeaders.CONTENT_TYPE; public class HttpApplication extends AbstractVerticle { protected static final String template = "Hello, %s!"; @Override public void start(Future<Void> future) { // Create a router object. Router router = Router.router(vertx); router.get("/api/greeting").handler(this::greeting); router.get("/*").handler(StaticHandler.create()); // Create the HTTP server and pass the "accept" method to the request handler. vertx .createHttpServer() .requestHandler(router::accept) .listen( // Retrieve the port from the configuration, default to 8080. config().getInteger("http.port", 8080), ar -> { if (ar.succeeded()) { System.out.println("Server starter on port " + ar.result().actualPort()); } future.handle(ar.mapEmpty()); }); } private void greeting(RoutingContext rc) { String name = rc.request().getParam("name"); if (name == null) { name = "World"; } JsonObject response = new JsonObject() .put("content", String.format(template, name)); rc.response() .putHeader(CONTENT_TYPE, "application/json; charset=utf-8") .end(response.encodePrettily()); } }