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public class Sample extends AbstractVerticle {

	// Start method
	@Override
	public void start(Future<Void> startFuture) {
		// Create a router object allowing to route HTTP request
		final Router router = Router.router(vertx);

		// Create a new get method listening on /hello resource with a parameter
		router.route(HttpMethod.GET, "/hello/:name").handler(routingContext -> {

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final Router router = Router.router(vertx);

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router.route(HttpMethod.GET, "/hello/:name").handler(routingContext -> {
	// Retrieving request and response objects
}

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HttpServerRequest request = routingContext.request();
HttpServerResponse response = routingContext.response();

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String name = request.getParam("name");

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response.putHeader("Content-Type", "text/plain");
response.setChunked(true);
response.write("Hello " + name);
response.setStatusCode(200);

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response.end();

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vertx.createHttpServer().requestHandler(router::accept).listen(8080, result -> {
	if (result.succeeded()) {
		startFuture.complete();
	} else {
		startFuture.fail(result.cause());
	}
});

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public void start(Future<Void> startFuture) {
	final Router router = Router.router(vertx);

	// Create a BodyHandler to have the capability to retrieve the body
	router.route().handler(BodyHandler.create());

	router.route(HttpMethod.POST, "/file").handler(routingContext -> {
		HttpServerResponse response = routingContext.response();

		// Retrieve the body as a JsonObject

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JsonObject body = routingContext.getBodyAsJson();
String filename = body.getString("filename");