/** * Convert the given {@linkplain RouterFunction router function} into a {@link WebHandler}. * This conversion uses {@linkplain HandlerStrategies#builder() default strategies}. * @param routerFunction the router function to convert * @return a web handler that handles web request using the given router function */ public static WebHandler toWebHandler(RouterFunction<?> routerFunction) { return toWebHandler(routerFunction, HandlerStrategies.withDefaults()); }
protected HandlerStrategies handlerStrategies() { return HandlerStrategies.withDefaults(); }
/** * Convert the given {@linkplain RouterFunction router function} into a {@link HttpHandler}. * This conversion uses {@linkplain HandlerStrategies#builder() default strategies}. * <p>The returned handler can be adapted to run in * <ul> * <li>Servlet 3.1+ using the * {@link org.springframework.http.server.reactive.ServletHttpHandlerAdapter},</li> * <li>Reactor using the * {@link org.springframework.http.server.reactive.ReactorHttpHandlerAdapter},</li> * <li>Undertow using the * {@link org.springframework.http.server.reactive.UndertowHttpHandlerAdapter}.</li> * </ul> * <p>Note that {@code HttpWebHandlerAdapter} also implements {@link WebHandler}, allowing * for additional filter and exception handler registration through * {@link WebHttpHandlerBuilder}. * @param routerFunction the router function to convert * @return an http handler that handles HTTP request using the given router function */ public static HttpHandler toHttpHandler(RouterFunction<?> routerFunction) { return toHttpHandler(routerFunction, HandlerStrategies.withDefaults()); }
public ModifyRequestBodyGatewayFilterFactory() { super(Config.class); this.messageReaders = HandlerStrategies.withDefaults().messageReaders(); }
public DefaultServerRequest(ServerWebExchange exchange) { this(exchange, HandlerStrategies.withDefaults().messageReaders()); }
@Before public void createContext() { HandlerStrategies strategies = HandlerStrategies.withDefaults(); context = new ServerResponse.Context() { @Override public List<HttpMessageWriter<?>> messageWriters() { return strategies.messageWriters(); } @Override public List<ViewResolver> viewResolvers() { return strategies.viewResolvers(); } }; }
@Test public void withDefaults() { HandlerStrategies strategies = HandlerStrategies.withDefaults(); assertFalse(strategies.messageReaders().isEmpty()); assertFalse(strategies.messageWriters().isEmpty()); assertTrue(strategies.viewResolvers().isEmpty()); }
@Test public void options() { MockServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest.options("http://localhost")); MockServerHttpResponse mockResponse = exchange.getResponse(); ServerRequest request = new DefaultServerRequest(exchange, HandlerStrategies.withDefaults().messageReaders()); Mono<ServerResponse> responseMono = this.handlerFunction.handle(request); Mono<Void> result = responseMono.flatMap(response -> { assertEquals(HttpStatus.OK, response.statusCode()); assertEquals(EnumSet.of(HttpMethod.GET, HttpMethod.HEAD, HttpMethod.OPTIONS), response.headers().getAllow()); return response.writeTo(exchange, context); }); StepVerifier.create(result) .expectComplete() .verify(); assertEquals(HttpStatus.OK, mockResponse.getStatusCode()); assertEquals(EnumSet.of(HttpMethod.GET, HttpMethod.HEAD, HttpMethod.OPTIONS), mockResponse.getHeaders().getAllow()); StepVerifier.create(mockResponse.getBody()).expectComplete().verify(); }
@Test public void head() throws IOException { MockServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest.head("http://localhost")); MockServerHttpResponse mockResponse = exchange.getResponse(); ServerRequest request = new DefaultServerRequest(exchange, HandlerStrategies.withDefaults().messageReaders()); Mono<ServerResponse> responseMono = this.handlerFunction.handle(request); Mono<Void> result = responseMono.flatMap(response -> { assertEquals(HttpStatus.OK, response.statusCode()); assertTrue(response instanceof EntityResponse); @SuppressWarnings("unchecked") EntityResponse<Resource> entityResponse = (EntityResponse<Resource>) response; assertEquals(this.resource.getFilename(), entityResponse.entity().getFilename()); return response.writeTo(exchange, context); }); StepVerifier.create(result).expectComplete().verify(); StepVerifier.create(mockResponse.getBody()).expectComplete().verify(); assertEquals(MediaType.TEXT_PLAIN, mockResponse.getHeaders().getContentType()); assertEquals(this.resource.contentLength(), mockResponse.getHeaders().getContentLength()); }
@Test public void get() throws IOException { MockServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest.get("http://localhost")); MockServerHttpResponse mockResponse = exchange.getResponse(); ServerRequest request = new DefaultServerRequest(exchange, HandlerStrategies.withDefaults().messageReaders()); Mono<ServerResponse> responseMono = this.handlerFunction.handle(request); Mono<Void> result = responseMono.flatMap(response -> { assertEquals(HttpStatus.OK, response.statusCode()); assertTrue(response instanceof EntityResponse); @SuppressWarnings("unchecked") EntityResponse<Resource> entityResponse = (EntityResponse<Resource>) response; assertEquals(this.resource, entityResponse.entity()); return response.writeTo(exchange, context); }); StepVerifier.create(result) .expectComplete() .verify(); byte[] expectedBytes = Files.readAllBytes(this.resource.getFile().toPath()); StepVerifier.create(mockResponse.getBody()) .consumeNextWith(dataBuffer -> { byte[] resultBytes = new byte[dataBuffer.readableByteCount()]; dataBuffer.read(resultBytes); assertArrayEquals(expectedBytes, resultBytes); }) .expectComplete() .verify(); assertEquals(MediaType.TEXT_PLAIN, mockResponse.getHeaders().getContentType()); assertEquals(this.resource.contentLength(), mockResponse.getHeaders().getContentLength()); }
@Test public void from() { MockServerHttpRequest request = MockServerHttpRequest.post("http://example.com") .header("foo", "bar") .build(); MockServerWebExchange exchange = MockServerWebExchange.from(request); ServerRequest other = ServerRequest.create(exchange, HandlerStrategies.withDefaults().messageReaders()); Flux<DataBuffer> body = Flux.just("baz") .map(s -> s.getBytes(StandardCharsets.UTF_8)) .map(dataBufferFactory::wrap); ServerRequest result = ServerRequest.from(other) .method(HttpMethod.HEAD) .headers(httpHeaders -> httpHeaders.set("foo", "baar")) .cookies(cookies -> cookies.set("baz", ResponseCookie.from("baz", "quux").build())) .body(body) .build(); assertEquals(HttpMethod.HEAD, result.method()); assertEquals(1, result.headers().asHttpHeaders().size()); assertEquals("baar", result.headers().asHttpHeaders().getFirst("foo")); assertEquals(1, result.cookies().size()); assertEquals("quux", result.cookies().getFirst("baz").getValue()); StepVerifier.create(result.bodyToFlux(String.class)) .expectNext("baz") .verifyComplete(); }
/** * Convert the given {@code RouterFunction} into a {@code HandlerMapping}. * This conversion uses {@linkplain HandlerStrategies#builder() default strategies}. * <p>The returned {@code HandlerMapping} can be run in a * {@link org.springframework.web.reactive.DispatcherHandler}. * @param routerFunction the router function to convert * @return an handler mapping that maps HTTP request to a handler using the given router function * @see HandlerFunctionAdapter * @see ServerResponseResultHandler */ public static HandlerMapping toHandlerMapping(RouterFunction<?> routerFunction) { return toHandlerMapping(routerFunction, HandlerStrategies.withDefaults()); }
/** * Convert the given {@linkplain RouterFunction router function} into a {@link HttpHandler}. * This conversion uses {@linkplain HandlerStrategies#builder() default strategies}. * <p>The returned handler can be adapted to run in * <ul> * <li>Servlet 3.1+ using the * {@link org.springframework.http.server.reactive.ServletHttpHandlerAdapter},</li> * <li>Reactor using the * {@link org.springframework.http.server.reactive.ReactorHttpHandlerAdapter},</li> * <li>RxNetty using the * {@link org.springframework.http.server.reactive.RxNettyHttpHandlerAdapter}, or </li> * <li>Undertow using the * {@link org.springframework.http.server.reactive.UndertowHttpHandlerAdapter}.</li> * </ul> * <p>Note that {@code HttpWebHandlerAdapter} also implements {@link WebHandler}, allowing * for additional filter and exception handler registration through * {@link WebHttpHandlerBuilder}. * @param routerFunction the router function to convert * @return an http handler that handles HTTP request using the given router function */ public static HttpWebHandlerAdapter toHttpHandler(RouterFunction<?> routerFunction) { return toHttpHandler(routerFunction, HandlerStrategies.withDefaults()); }
public static void main(String[] args) { SpringApplication application = new SpringApplication(GraalDemoApplication.class) { @Override protected void load(ApplicationContext context, Object[] sources) { // Disable the annotation bean definition reader because of https://github.com/oracle/graal/issues/630 } }; application.setWebApplicationType(WebApplicationType.REACTIVE); application.setApplicationContextClass(ReactiveWebServerApplicationContext.class); // Only functional registration is supported by now because of https://github.com/oracle/graal/issues/630 application.addInitializers((GenericApplicationContext context) -> { context.registerBean(AutowiredAnnotationBeanPostProcessor.class); context.registerBean(HttpHandler.class, () -> { HandlerStrategies strategies = HandlerStrategies.withDefaults(); RouterFunction<ServerResponse> router = RouterFunctions.route( RequestPredicates.GET("/"), serverRequest -> ServerResponse.ok().syncBody("Hello Graal")); return RouterFunctions.toHttpHandler(router, strategies); }); context.registerBean(ReactiveWebServerFactory.class, () -> new NettyReactiveWebServerFactory()); }); application.run(args); } }