":reactive:webflux-fn:hello"

reactive/webflux-fn/hello/src/main/java/example/HelloApplication.java

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+/*
+ * Copyright 2002-2017 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package example;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Bean;
+import org.springframework.web.reactive.function.server.RouterFunction;
+import org.springframework.web.reactive.function.server.ServerResponse;
+
+import static org.springframework.web.reactive.function.server.RequestPredicates.GET;
+import static org.springframework.web.reactive.function.server.RouterFunctions.route;
+
+/**
+ * Minimal WebFlux Security application.
+ *
+ * @author Rob Winch
+ * @since 5.0
+ */
+@SpringBootApplication
+public class HelloApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(HelloApplication.class, args);
+	}
+
+	@Bean
+	public RouterFunction<ServerResponse> routes(HelloController helloController) {
+		return route(GET("/"), helloController::hello);
+	}
+
+}

reactive/webflux-fn/hello/src/main/java/example/HelloController.java

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+/*
+ * Copyright 2002-2017 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package example;
+
+import java.util.Collections;
+
+import reactor.core.publisher.Mono;
+
+import org.springframework.http.MediaType;
+import org.springframework.stereotype.Component;
+import org.springframework.web.reactive.function.server.ServerRequest;
+import org.springframework.web.reactive.function.server.ServerResponse;
+
+/**
+ * Index Controller.
+ *
+ * @author Rob Winch
+ * @since 5.0
+ */
+@Component
+public class HelloController {
+
+	// @formatter:off
+	public Mono<ServerResponse> hello(ServerRequest serverRequest) {
+		return ServerResponse.ok()
+			.contentType(MediaType.APPLICATION_JSON)
+			.bodyValue(Collections.singletonMap("message", "Hello world!"));
+	}
+	// @formatter:on
+
+}