move to reactive, extract mongodb ex

This commit is contained in:
Loredana Crusoveanu 2018-07-23 23:31:28 +03:00
parent ba77029082
commit fa954ebba7
44 changed files with 1207 additions and 39 deletions

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spring-5-mongodb/.gitignore vendored Normal file
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#folders#
.idea
/target
/neoDb*
/data
/src/main/webapp/WEB-INF/classes
*/META-INF/*
# Packaged files #
*.jar
*.war
*.ear

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## Spring REST Example Project
### The Course
The "REST With Spring" Classes: http://bit.ly/restwithspring
### Relevant Articles
- [Concurrent Test Execution in Spring 5](http://www.baeldung.com/spring-5-concurrent-tests)
- [Introduction to the Functional Web Framework in Spring 5](http://www.baeldung.com/spring-5-functional-web)
- [Exploring the Spring 5 MVC URL Matching Improvements](http://www.baeldung.com/spring-5-mvc-url-matching)
- [Spring 5 WebClient](http://www.baeldung.com/spring-5-webclient)
- [Spring 5 Functional Bean Registration](http://www.baeldung.com/spring-5-functional-beans)
- [The SpringJUnitConfig and SpringJUnitWebConfig Annotations in Spring 5](http://www.baeldung.com/spring-5-junit-config)
- [Spring Security 5 for Reactive Applications](http://www.baeldung.com/spring-security-5-reactive)
- [Spring 5 Testing with @EnabledIf Annotation](https://github.com/eugenp/tutorials/tree/master/spring-5)
- [Reactive WebSockets with Spring 5](http://www.baeldung.com/spring-5-reactive-websockets)
- [Spring Boot Actuator](http://www.baeldung.com/spring-boot-actuators)
- [Spring Webflux Filters](http://www.baeldung.com/spring-webflux-filters)
- [Reactive Flow with MongoDB, Kotlin, and Spring WebFlux](http://www.baeldung.com/kotlin-mongodb-spring-webflux)
- [Spring Data Reactive Repositories with MongoDB](http://www.baeldung.com/spring-data-mongodb-reactive)

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spring-5-mongodb/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.baeldung</groupId>
<artifactId>spring-5-mongodb</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>spring-5-mongodb</name>
<description>spring 5 mongodb sample project</description>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-boot-2</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../parent-boot-2</relativePath>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-validation</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-webflux</artifactId>
</dependency>
<dependency>
<groupId>org.projectreactor</groupId>
<artifactId>reactor-spring</artifactId>
<version>${reactor-spring.version}</version>
</dependency>
<!-- utils -->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
</dependency>
<!-- runtime and test scoped -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-collections4</artifactId>
<version>${commons-collections4.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-api</artifactId>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-engine</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.platform</groupId>
<artifactId>junit-platform-surefire-provider</artifactId>
<version>${junit.platform.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.platform</groupId>
<artifactId>junit-platform-runner</artifactId>
<version>${junit.platform.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-mongodb-reactive</artifactId>
</dependency>
<dependency>
<groupId>de.flapdoodle.embed</groupId>
<artifactId>de.flapdoodle.embed.mongo</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>io.reactivex.rxjava2</groupId>
<artifactId>rxjava</artifactId>
<version>${rxjava-version}</version>
</dependency>
<dependency>
<groupId>io.projectreactor</groupId>
<artifactId>reactor-test</artifactId>
<version>${project-reactor-test}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<mainClass>com.baeldung.reactive.Spring5ReactiveApplication</mainClass>
<layout>JAR</layout>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<forkCount>3</forkCount>
<reuseForks>true</reuseForks>
<parallel>methods</parallel>
<useUnlimitedThreads>true</useUnlimitedThreads>
<excludes>
<exclude>**/*IntegrationTest.java</exclude>
<exclude>**/*IntTest.java</exclude>
<exclude>**/*LiveTest.java</exclude>
</excludes>
</configuration>
</plugin>
</plugins>
</build>
<properties>
<junit.platform.version>1.0.0</junit.platform.version>
<junit.jupiter.version>5.0.2</junit.jupiter.version>
<maven-surefire-plugin.version>2.20</maven-surefire-plugin.version>
<reactor-spring.version>1.0.1.RELEASE</reactor-spring.version>
<rxjava-version>2.1.12</rxjava-version>
<commons-collections4.version>4.1</commons-collections4.version>
<project-reactor-test>3.1.6.RELEASE</project-reactor-test>
<johnzon.version>1.1.3</johnzon.version>
<jsonb-api.version>1.0</jsonb-api.version>
<geronimo-json_1.1_spec.version>1.0</geronimo-json_1.1_spec.version>
</properties>
</project>

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package com.baeldung.reactive;
import com.mongodb.reactivestreams.client.MongoClient;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;
import org.springframework.data.mongodb.core.ReactiveMongoTemplate;
@SpringBootApplication
public class Spring5ReactiveApplication{
public static void main(String[] args) {
SpringApplication.run(Spring5ReactiveApplication.class, args);
}
@Autowired
MongoClient mongoClient;
@Bean
public ReactiveMongoTemplate reactiveMongoTemplate() {
return new ReactiveMongoTemplate(mongoClient, "test");
}
}

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logging.level.root=INFO
management.endpoints.web.exposure.include.=*
info.app.name=Spring Boot 2 actuator Application

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<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
version="3.1">
<display-name>Spring Functional Application</display-name>
<servlet>
<servlet-name>functional</servlet-name>
<servlet-class>com.baeldung.functional.RootServlet</servlet-class>
<load-on-startup>1</load-on-startup>
<async-supported>true</async-supported>
</servlet>
<servlet-mapping>
<servlet-name>functional</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>

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<artifactId>commons-lang3</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-mongodb-reactive</artifactId>
</dependency>
<dependency>
<groupId>de.flapdoodle.embed</groupId>
<artifactId>de.flapdoodle.embed.mongo</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>io.reactivex.rxjava2</groupId>
<artifactId>rxjava</artifactId>

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package com.baeldung.functional;
class Actor {
private String firstname;
private String lastname;
public Actor() {
}
public Actor(String firstname, String lastname) {
this.firstname = firstname;
this.lastname = lastname;
}
public String getFirstname() {
return firstname;
}
public String getLastname() {
return lastname;
}
}

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package com.baeldung.functional;
import org.springframework.core.io.buffer.DataBuffer;
import org.springframework.util.MultiValueMap;
import org.springframework.web.reactive.function.server.ServerRequest;
import org.springframework.web.reactive.function.server.ServerResponse;
import reactor.core.publisher.Mono;
import java.util.List;
import java.util.concurrent.atomic.AtomicLong;
import static org.springframework.web.reactive.function.BodyExtractors.toDataBuffers;
import static org.springframework.web.reactive.function.BodyExtractors.toFormData;
import static org.springframework.web.reactive.function.BodyInserters.fromObject;
import static org.springframework.web.reactive.function.server.ServerResponse.ok;
public class FormHandler {
Mono<ServerResponse> handleLogin(ServerRequest request) {
return request.body(toFormData())
.map(MultiValueMap::toSingleValueMap)
.filter(formData -> "baeldung".equals(formData.get("user")))
.filter(formData -> "you_know_what_to_do".equals(formData.get("token")))
.flatMap(formData -> ok().body(Mono.just("welcome back!"), String.class))
.switchIfEmpty(ServerResponse.badRequest()
.build());
}
Mono<ServerResponse> handleUpload(ServerRequest request) {
return request.body(toDataBuffers())
.collectList()
.flatMap(dataBuffers -> ok().body(fromObject(extractData(dataBuffers).toString())));
}
private AtomicLong extractData(List<DataBuffer> dataBuffers) {
AtomicLong atomicLong = new AtomicLong(0);
dataBuffers.forEach(d -> atomicLong.addAndGet(d.asByteBuffer()
.array().length));
return atomicLong;
}
}

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package com.baeldung.functional;
import static org.springframework.web.reactive.function.BodyInserters.fromObject;
import static org.springframework.web.reactive.function.server.RequestPredicates.GET;
import static org.springframework.web.reactive.function.server.RequestPredicates.POST;
import static org.springframework.web.reactive.function.server.RequestPredicates.path;
import static org.springframework.web.reactive.function.server.RouterFunctions.route;
import static org.springframework.web.reactive.function.server.RouterFunctions.toHttpHandler;
import static org.springframework.web.reactive.function.server.ServerResponse.ok;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Profile;
import org.springframework.core.io.ClassPathResource;
import org.springframework.http.server.reactive.HttpHandler;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.web.reactive.function.server.RouterFunction;
import org.springframework.web.reactive.function.server.RouterFunctions;
import org.springframework.web.reactive.function.server.ServerResponse;
import org.springframework.web.server.WebHandler;
import org.springframework.web.server.adapter.WebHttpHandlerBuilder;
import reactor.core.publisher.Flux;
@SpringBootApplication
@ComponentScan(basePackages = { "com.baeldung.functional" })
public class FunctionalSpringBootApplication {
private static final Actor BRAD_PITT = new Actor("Brad", "Pitt");
private static final Actor TOM_HANKS = new Actor("Tom", "Hanks");
private static final List<Actor> actors = new CopyOnWriteArrayList<>(Arrays.asList(BRAD_PITT, TOM_HANKS));
private RouterFunction<ServerResponse> routingFunction() {
FormHandler formHandler = new FormHandler();
RouterFunction<ServerResponse> restfulRouter = route(GET("/"), serverRequest -> ok().body(Flux.fromIterable(actors), Actor.class)).andRoute(POST("/"), serverRequest -> serverRequest.bodyToMono(Actor.class)
.doOnNext(actors::add)
.then(ok().build()));
return route(GET("/test"), serverRequest -> ok().body(fromObject("helloworld"))).andRoute(POST("/login"), formHandler::handleLogin)
.andRoute(POST("/upload"), formHandler::handleUpload)
.and(RouterFunctions.resources("/files/**", new ClassPathResource("files/")))
.andNest(path("/actor"), restfulRouter)
.filter((request, next) -> {
System.out.println("Before handler invocation: " + request.path());
return next.handle(request);
});
}
@Bean
public ServletRegistrationBean servletRegistrationBean() throws Exception {
HttpHandler httpHandler = WebHttpHandlerBuilder.webHandler((WebHandler) toHttpHandler(routingFunction()))
.filter(new IndexRewriteFilter())
.build();
ServletRegistrationBean registrationBean = new ServletRegistrationBean<>(new RootServlet(httpHandler), "/");
registrationBean.setLoadOnStartup(1);
registrationBean.setAsyncSupported(true);
return registrationBean;
}
@Configuration
@EnableWebSecurity
@Profile("!https")
static class SecurityConfig extends WebSecurityConfigurerAdapter {
@Override
protected void configure(final HttpSecurity http) throws Exception {
http.authorizeRequests()
.anyRequest()
.permitAll();
}
}
public static void main(String[] args) {
SpringApplication.run(FunctionalSpringBootApplication.class, args);
}
}

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package com.baeldung.functional;
import static org.springframework.web.reactive.function.BodyInserters.fromObject;
import static org.springframework.web.reactive.function.server.RequestPredicates.GET;
import static org.springframework.web.reactive.function.server.RequestPredicates.POST;
import static org.springframework.web.reactive.function.server.RequestPredicates.path;
import static org.springframework.web.reactive.function.server.RouterFunctions.route;
import static org.springframework.web.reactive.function.server.RouterFunctions.toHttpHandler;
import static org.springframework.web.reactive.function.server.ServerResponse.ok;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import org.apache.catalina.Context;
import org.apache.catalina.startup.Tomcat;
import org.springframework.boot.web.embedded.tomcat.TomcatWebServer;
import org.springframework.boot.web.server.WebServer;
import org.springframework.core.io.ClassPathResource;
import org.springframework.http.server.reactive.HttpHandler;
import org.springframework.http.server.reactive.ServletHttpHandlerAdapter;
import org.springframework.web.reactive.function.server.RouterFunction;
import org.springframework.web.reactive.function.server.RouterFunctions;
import org.springframework.web.reactive.function.server.ServerResponse;
import org.springframework.web.server.WebHandler;
import org.springframework.web.server.adapter.WebHttpHandlerBuilder;
import reactor.core.publisher.Flux;
public class FunctionalWebApplication {
private static final Actor BRAD_PITT = new Actor("Brad", "Pitt");
private static final Actor TOM_HANKS = new Actor("Tom", "Hanks");
private static final List<Actor> actors = new CopyOnWriteArrayList<>(Arrays.asList(BRAD_PITT, TOM_HANKS));
private RouterFunction<ServerResponse> routingFunction() {
FormHandler formHandler = new FormHandler();
RouterFunction<ServerResponse> restfulRouter = route(GET("/"), serverRequest -> ok().body(Flux.fromIterable(actors), Actor.class)).andRoute(POST("/"), serverRequest -> serverRequest.bodyToMono(Actor.class)
.doOnNext(actors::add)
.then(ok().build()));
return route(GET("/test"), serverRequest -> ok().body(fromObject("helloworld"))).andRoute(POST("/login"), formHandler::handleLogin)
.andRoute(POST("/upload"), formHandler::handleUpload)
.and(RouterFunctions.resources("/files/**", new ClassPathResource("files/")))
.andNest(path("/actor"), restfulRouter)
.filter((request, next) -> {
System.out.println("Before handler invocation: " + request.path());
return next.handle(request);
});
}
WebServer start() throws Exception {
WebHandler webHandler = (WebHandler) toHttpHandler(routingFunction());
HttpHandler httpHandler = WebHttpHandlerBuilder.webHandler(webHandler)
.filter(new IndexRewriteFilter())
.build();
Tomcat tomcat = new Tomcat();
tomcat.setHostname("localhost");
tomcat.setPort(9090);
Context rootContext = tomcat.addContext("", System.getProperty("java.io.tmpdir"));
ServletHttpHandlerAdapter servlet = new ServletHttpHandlerAdapter(httpHandler);
Tomcat.addServlet(rootContext, "httpHandlerServlet", servlet);
rootContext.addServletMappingDecoded("/", "httpHandlerServlet");
TomcatWebServer server = new TomcatWebServer(tomcat);
server.start();
return server;
}
public static void main(String[] args) {
try {
new FunctionalWebApplication().start();
} catch (Exception e) {
e.printStackTrace();
}
}
}

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package com.baeldung.functional;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.web.server.ServerWebExchange;
import org.springframework.web.server.WebFilter;
import org.springframework.web.server.WebFilterChain;
import reactor.core.publisher.Mono;
class IndexRewriteFilter implements WebFilter {
@Override
public Mono<Void> filter(ServerWebExchange serverWebExchange, WebFilterChain webFilterChain) {
ServerHttpRequest request = serverWebExchange.getRequest();
if (request.getURI()
.getPath()
.equals("/")) {
return webFilterChain.filter(serverWebExchange.mutate()
.request(builder -> builder.method(request.getMethod())
.path("/test"))
.build());
}
return webFilterChain.filter(serverWebExchange);
}
}

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package com.baeldung.functional;
import java.util.Random;
public class MyService {
public int getRandomNumber() {
return (new Random().nextInt(10));
}
}

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package com.baeldung.functional;
import static org.springframework.web.reactive.function.BodyExtractors.toDataBuffers;
import static org.springframework.web.reactive.function.BodyExtractors.toFormData;
import static org.springframework.web.reactive.function.BodyInserters.fromObject;
import static org.springframework.web.reactive.function.server.RequestPredicates.GET;
import static org.springframework.web.reactive.function.server.RequestPredicates.POST;
import static org.springframework.web.reactive.function.server.RequestPredicates.path;
import static org.springframework.web.reactive.function.server.RouterFunctions.route;
import static org.springframework.web.reactive.function.server.RouterFunctions.toHttpHandler;
import static org.springframework.web.reactive.function.server.ServerResponse.ok;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.atomic.AtomicLong;
import org.springframework.core.io.ClassPathResource;
import org.springframework.http.server.reactive.HttpHandler;
import org.springframework.http.server.reactive.ServletHttpHandlerAdapter;
import org.springframework.util.MultiValueMap;
import org.springframework.web.reactive.function.server.RouterFunction;
import org.springframework.web.reactive.function.server.RouterFunctions;
import org.springframework.web.reactive.function.server.ServerResponse;
import org.springframework.web.server.WebHandler;
import org.springframework.web.server.adapter.WebHttpHandlerBuilder;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
public class RootServlet extends ServletHttpHandlerAdapter {
public RootServlet() {
this(WebHttpHandlerBuilder.webHandler((WebHandler) toHttpHandler(routingFunction()))
.filter(new IndexRewriteFilter())
.build());
}
RootServlet(HttpHandler httpHandler) {
super(httpHandler);
}
private static final Actor BRAD_PITT = new Actor("Brad", "Pitt");
private static final Actor TOM_HANKS = new Actor("Tom", "Hanks");
private static final List<Actor> actors = new CopyOnWriteArrayList<>(Arrays.asList(BRAD_PITT, TOM_HANKS));
private static RouterFunction<?> routingFunction() {
return route(GET("/test"), serverRequest -> ok().body(fromObject("helloworld"))).andRoute(POST("/login"), serverRequest -> serverRequest.body(toFormData())
.map(MultiValueMap::toSingleValueMap)
.map(formData -> {
System.out.println("form data: " + formData.toString());
if ("baeldung".equals(formData.get("user")) && "you_know_what_to_do".equals(formData.get("token"))) {
return ok().body(Mono.just("welcome back!"), String.class)
.block();
}
return ServerResponse.badRequest()
.build()
.block();
}))
.andRoute(POST("/upload"), serverRequest -> serverRequest.body(toDataBuffers())
.collectList()
.map(dataBuffers -> {
AtomicLong atomicLong = new AtomicLong(0);
dataBuffers.forEach(d -> atomicLong.addAndGet(d.asByteBuffer()
.array().length));
System.out.println("data length:" + atomicLong.get());
return ok().body(fromObject(atomicLong.toString()))
.block();
}))
.and(RouterFunctions.resources("/files/**", new ClassPathResource("files/")))
.andNest(path("/actor"), route(GET("/"), serverRequest -> ok().body(Flux.fromIterable(actors), Actor.class)).andRoute(POST("/"), serverRequest -> serverRequest.bodyToMono(Actor.class)
.doOnNext(actors::add)
.then(ok().build())))
.filter((request, next) -> {
System.out.println("Before handler invocation: " + request.path());
return next.handle(request);
});
}
}

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@ -1,11 +1,9 @@
package com.baeldung.reactive;
import com.mongodb.reactivestreams.client.MongoClient;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;
import org.springframework.data.mongodb.core.ReactiveMongoTemplate;
@SpringBootApplication
public class Spring5ReactiveApplication{
@ -14,12 +12,4 @@ public class Spring5ReactiveApplication{
SpringApplication.run(Spring5ReactiveApplication.class, args);
}
@Autowired
MongoClient mongoClient;
@Bean
public ReactiveMongoTemplate reactiveMongoTemplate() {
return new ReactiveMongoTemplate(mongoClient, "test");
}
}

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@ -0,0 +1,34 @@
package com.baeldung.reactive;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.http.server.reactive.HttpHandler;
import org.springframework.http.server.reactive.ReactorHttpHandlerAdapter;
import org.springframework.web.reactive.config.EnableWebFlux;
import org.springframework.web.server.adapter.WebHttpHandlerBuilder;
import reactor.ipc.netty.NettyContext;
import reactor.ipc.netty.http.server.HttpServer;
@ComponentScan(basePackages = {"com.baeldung.security"})
@EnableWebFlux
public class SpringSecurity5Application {
public static void main(String[] args) {
try (AnnotationConfigApplicationContext context =
new AnnotationConfigApplicationContext(SpringSecurity5Application.class)) {
context.getBean(NettyContext.class).onClose().block();
}
}
@Bean
public NettyContext nettyContext(ApplicationContext context) {
HttpHandler handler = WebHttpHandlerBuilder.applicationContext(context)
.build();
ReactorHttpHandlerAdapter adapter = new ReactorHttpHandlerAdapter(handler);
HttpServer httpServer = HttpServer.create("localhost", 8080);
return httpServer.newHandler(adapter).block();
}
}

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package com.baeldung.reactive.actuator;
import org.springframework.boot.actuate.autoconfigure.security.reactive.EndpointRequest;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.annotation.web.reactive.EnableWebFluxSecurity;
import org.springframework.security.config.web.server.ServerHttpSecurity;
import org.springframework.security.web.server.SecurityWebFilterChain;
@Configuration
@EnableWebFluxSecurity
public class WebSecurityConfig {
@Bean
public SecurityWebFilterChain securitygWebFilterChain(
ServerHttpSecurity http) {
return http
.authorizeExchange()
.matchers(EndpointRequest.to(
FeaturesEndpoint.class
)).permitAll().and().csrf().disable().build();
}
}

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@ -4,16 +4,8 @@ import java.util.Collections;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.data.mongo.MongoDataAutoConfiguration;
import org.springframework.boot.autoconfigure.data.mongo.MongoReactiveDataAutoConfiguration;
import org.springframework.boot.autoconfigure.mongo.MongoAutoConfiguration;
import org.springframework.boot.autoconfigure.mongo.MongoReactiveAutoConfiguration;
@SpringBootApplication(exclude = { MongoAutoConfiguration.class,
MongoDataAutoConfiguration.class,
MongoReactiveDataAutoConfiguration.class,
MongoReactiveAutoConfiguration.class }
)
@SpringBootApplication
public class CorsOnAnnotatedElementsApplication {
public static void main(String[] args) {

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@ -8,8 +8,8 @@ import org.springframework.web.bind.annotation.RestController;
import reactor.core.publisher.Mono;
@RestController
@RequestMapping("/web-filter-and-more-on-annotated")
//@RestController
//@RequestMapping("/web-filter-and-more-on-annotated")
public class FurtherCorsConfigsController {
@DeleteMapping("/further-mixed-config-endpoint")

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@ -7,8 +7,8 @@ import org.springframework.web.bind.annotation.RestController;
import reactor.core.publisher.Mono;
@RestController
@RequestMapping("/web-filter-on-annotated")
//@RestController
//@RequestMapping("/web-filter-on-annotated")
public class RegularRestController {
@PutMapping("/regular-put-endpoint")

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@ -0,0 +1,37 @@
package com.baeldung.reactive.security;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import reactor.core.publisher.Mono;
import java.security.Principal;
@RestController
public class GreetController {
private GreetService greetService;
public GreetController(GreetService greetService) {
this.greetService = greetService;
}
@GetMapping("/")
public Mono<String> greet(Mono<Principal> principal) {
return principal
.map(Principal::getName)
.map(name -> String.format("Hello, %s", name));
}
@GetMapping("/admin")
public Mono<String> greetAdmin(Mono<Principal> principal) {
return principal
.map(Principal::getName)
.map(name -> String.format("Admin access: %s", name));
}
@GetMapping("/greetService")
public Mono<String> greetService() {
return greetService.greet();
}
}

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@ -0,0 +1,15 @@
package com.baeldung.reactive.security;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.stereotype.Service;
import reactor.core.publisher.Mono;
@Service
public class GreetService {
@PreAuthorize("hasRole('ADMIN')")
public Mono<String> greet() {
return Mono.just("Hello from service!");
}
}

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@ -0,0 +1,42 @@
package com.baeldung.reactive.security;
import org.springframework.context.annotation.Bean;
import org.springframework.security.config.annotation.method.configuration.EnableReactiveMethodSecurity;
import org.springframework.security.config.annotation.web.reactive.EnableWebFluxSecurity;
import org.springframework.security.config.web.server.ServerHttpSecurity;
import org.springframework.security.core.userdetails.MapReactiveUserDetailsService;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.web.server.SecurityWebFilterChain;
@EnableWebFluxSecurity
@EnableReactiveMethodSecurity
public class SecurityConfig {
@Bean
public SecurityWebFilterChain securitygWebFilterChain(ServerHttpSecurity http) {
return http.authorizeExchange()
.pathMatchers("/admin").hasAuthority("ROLE_ADMIN")
.anyExchange().permitAll()
.and().formLogin()
.and().build();
}
@Bean
public MapReactiveUserDetailsService userDetailsService() {
UserDetails user = User.withDefaultPasswordEncoder()
.username("user")
.password("password")
.roles("USER")
.build();
UserDetails admin = User.withDefaultPasswordEncoder()
.username("admin")
.password("password")
.roles("ADMIN")
.build();
return new MapReactiveUserDetailsService(user, admin);
}
}

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@ -0,0 +1,28 @@
package com.baeldung.web.reactive;
import com.fasterxml.jackson.annotation.JsonProperty;
public class Task {
private final String name;
private final int id;
public Task(@JsonProperty("name") String name, @JsonProperty("id") int id) {
this.name = name;
this.id = id;
}
public String getName() {
return this.name;
}
public int getId() {
return this.id;
}
@Override
public String toString() {
return "Task{" + "name='" + name + '\'' + ", id=" + id + '}';
}
}

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@ -0,0 +1,83 @@
package com.baeldung.web.reactive.client;
import org.reactivestreams.Publisher;
import org.reactivestreams.Subscriber;
import org.springframework.http.*;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.reactive.function.BodyInserter;
import org.springframework.web.reactive.function.BodyInserters;
import org.springframework.web.reactive.function.client.WebClient;
import reactor.core.publisher.Mono;
import java.net.URI;
import java.nio.charset.Charset;
import java.time.ZonedDateTime;
import java.util.Collections;
@RestController
public class WebClientController {
@ResponseStatus(HttpStatus.OK)
@GetMapping("/resource")
public void getResource() {
}
public void demonstrateWebClient() {
// request
WebClient.UriSpec<WebClient.RequestBodySpec> request1 = createWebClientWithServerURLAndDefaultValues().method(HttpMethod.POST);
WebClient.UriSpec<WebClient.RequestBodySpec> request2 = createWebClientWithServerURLAndDefaultValues().post();
// request body specifications
WebClient.RequestBodySpec uri1 = createWebClientWithServerURLAndDefaultValues().method(HttpMethod.POST)
.uri("/resource");
WebClient.RequestBodySpec uri2 = createWebClientWithServerURLAndDefaultValues().post()
.uri(URI.create("/resource"));
// request header specification
WebClient.RequestHeadersSpec<?> requestSpec1 = uri1.body(BodyInserters.fromPublisher(Mono.just("data"), String.class));
WebClient.RequestHeadersSpec<?> requestSpec2 = uri2.body(BodyInserters.fromObject("data"));
// inserters
BodyInserter<Publisher<String>, ReactiveHttpOutputMessage> inserter1 = BodyInserters
.fromPublisher(Subscriber::onComplete, String.class);
LinkedMultiValueMap<String, String> map = new LinkedMultiValueMap<>();
map.add("key1", "value1");
map.add("key2", "value2");
// BodyInserter<MultiValueMap<String, ?>, ClientHttpRequest> inserter2 = BodyInserters.fromMultipartData(map);
BodyInserter<String, ReactiveHttpOutputMessage> inserter3 = BodyInserters.fromObject("body");
// responses
WebClient.ResponseSpec response1 = uri1.body(inserter3)
.header(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE)
.accept(MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML)
.acceptCharset(Charset.forName("UTF-8"))
.ifNoneMatch("*")
.ifModifiedSince(ZonedDateTime.now())
.retrieve();
WebClient.ResponseSpec response2 = requestSpec2.retrieve();
}
private WebClient createWebClient() {
return WebClient.create();
}
private WebClient createWebClientWithServerURL() {
return WebClient.create("http://localhost:8081");
}
private WebClient createWebClientWithServerURLAndDefaultValues() {
return WebClient.builder()
.baseUrl("http://localhost:8081")
.defaultCookie("cookieKey", "cookieValue")
.defaultHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE)
.defaultUriVariables(Collections.singletonMap("url", "http://localhost:8080"))
.build();
}
}

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@ -1,4 +1,4 @@
package com.baeldung.reactive.websocket;
package com.baeldung.websocket;
import lombok.AllArgsConstructor;
import lombok.Data;

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@ -1,4 +1,4 @@
package com.baeldung.reactive.websocket;
package com.baeldung.websocket;
import java.net.URI;
import java.time.Duration;

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@ -1,4 +1,4 @@
package com.baeldung.reactive.websocket;
package com.baeldung.websocket;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

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@ -1,4 +1,4 @@
package com.baeldung.reactive.websocket;
package com.baeldung.websocket;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;

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@ -1,4 +1,4 @@
package com.baeldung.reactive.websocket;
package com.baeldung.websocket;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;

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@ -0,0 +1,141 @@
package com.baeldung.functional;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.springframework.boot.web.server.WebServer;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.http.MediaType;
import org.springframework.test.web.reactive.server.WebTestClient;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import org.springframework.web.reactive.function.BodyInserters;
import static org.springframework.web.reactive.function.BodyInserters.fromObject;
import static org.springframework.web.reactive.function.BodyInserters.fromResource;
public class FunctionalWebApplicationIntegrationTest {
private static WebTestClient client;
private static WebServer server;
@BeforeClass
public static void setup() throws Exception {
server = new FunctionalWebApplication().start();
client = WebTestClient.bindToServer()
.baseUrl("http://localhost:" + server.getPort())
.build();
}
@AfterClass
public static void destroy() {
server.stop();
}
@Test
public void givenRouter_whenGetTest_thenGotHelloWorld() throws Exception {
client.get()
.uri("/test")
.exchange()
.expectStatus()
.isOk()
.expectBody(String.class)
.isEqualTo("helloworld");
}
@Test
public void givenIndexFilter_whenRequestRoot_thenRewrittenToTest() throws Exception {
client.get()
.uri("/")
.exchange()
.expectStatus()
.isOk()
.expectBody(String.class)
.isEqualTo("helloworld");
}
@Test
public void givenLoginForm_whenPostValidToken_thenSuccess() throws Exception {
MultiValueMap<String, String> formData = new LinkedMultiValueMap<>(1);
formData.add("user", "baeldung");
formData.add("token", "you_know_what_to_do");
client.post()
.uri("/login")
.contentType(MediaType.APPLICATION_FORM_URLENCODED)
.body(BodyInserters.fromFormData(formData))
.exchange()
.expectStatus()
.isOk()
.expectBody(String.class)
.isEqualTo("welcome back!");
}
@Test
public void givenLoginForm_whenRequestWithInvalidToken_thenFail() throws Exception {
MultiValueMap<String, String> formData = new LinkedMultiValueMap<>(2);
formData.add("user", "baeldung");
formData.add("token", "try_again");
client.post()
.uri("/login")
.contentType(MediaType.APPLICATION_FORM_URLENCODED)
.body(BodyInserters.fromFormData(formData))
.exchange()
.expectStatus()
.isBadRequest();
}
@Test
public void givenUploadForm_whenRequestWithMultipartData_thenSuccess() throws Exception {
Resource resource = new ClassPathResource("/baeldung-weekly.png");
client.post()
.uri("/upload")
.contentType(MediaType.MULTIPART_FORM_DATA)
.body(fromResource(resource))
.exchange()
.expectStatus()
.isOk()
.expectBody(String.class)
.isEqualTo(String.valueOf(resource.contentLength()));
}
@Test
public void givenActors_whenAddActor_thenAdded() throws Exception {
client.get()
.uri("/actor")
.exchange()
.expectStatus()
.isOk()
.expectBodyList(Actor.class)
.hasSize(2);
client.post()
.uri("/actor")
.body(fromObject(new Actor("Clint", "Eastwood")))
.exchange()
.expectStatus()
.isOk();
client.get()
.uri("/actor")
.exchange()
.expectStatus()
.isOk()
.expectBodyList(Actor.class)
.hasSize(3);
}
@Test
public void givenResources_whenAccess_thenGot() throws Exception {
client.get()
.uri("/files/hello.txt")
.exchange()
.expectStatus()
.isOk()
.expectBody(String.class)
.isEqualTo("hello");
}
}

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@ -0,0 +1,96 @@
package com.baeldung.reactive;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeAll;
import org.springframework.http.server.reactive.HttpHandler;
import org.springframework.http.server.reactive.ReactorHttpHandlerAdapter;
import org.springframework.web.reactive.function.server.RouterFunction;
import org.springframework.web.reactive.function.server.RouterFunctions;
import org.springframework.web.reactive.function.server.ServerResponse;
import com.baeldung.web.reactive.Task;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import reactor.ipc.netty.NettyContext;
import reactor.ipc.netty.http.server.HttpServer;
import java.time.Duration;
import static org.springframework.web.reactive.function.server.RequestPredicates.GET;
import static org.springframework.web.reactive.function.server.RequestPredicates.POST;
public class Spring5ReactiveServerClientIntegrationTest {
private static NettyContext nettyContext;
@BeforeAll
public static void setUp() throws Exception {
HttpServer server = HttpServer.create("localhost", 8080);
RouterFunction<?> route = RouterFunctions.route(POST("/task/process"), request -> ServerResponse.ok()
.body(request.bodyToFlux(Task.class)
.map(ll -> new Task("TaskName", 1)), Task.class))
.and(RouterFunctions.route(GET("/task"), request -> ServerResponse.ok()
.body(Mono.just("server is alive"), String.class)));
HttpHandler httpHandler = RouterFunctions.toHttpHandler(route);
ReactorHttpHandlerAdapter adapter = new ReactorHttpHandlerAdapter(httpHandler);
nettyContext = server.newHandler(adapter)
.block();
}
@AfterAll
public static void shutDown() {
nettyContext.dispose();
}
// @Test
// public void givenCheckTask_whenServerHandle_thenServerResponseALiveString() throws Exception {
// WebClient client = WebClient.create("http://localhost:8080");
// Mono<String> result = client
// .get()
// .uri("/task")
// .exchange()
// .then(response -> response.bodyToMono(String.class));
//
// assertThat(result.block()).isInstanceOf(String.class);
// }
// @Test
// public void givenThreeTasks_whenServerHandleTheTasks_thenServerResponseATask() throws Exception {
// URI uri = URI.create("http://localhost:8080/task/process");
// ExchangeFunction exchange = ExchangeFunctions.create(new ReactorClientHttpConnector());
// ClientRequest request = ClientRequest
// .method(HttpMethod.POST, uri)
// .body(BodyInserters.fromPublisher(getLatLngs(), Task.class))
// .build();
//
// Flux<Task> taskResponse = exchange
// .exchange(request)
// .flatMap(response -> response.bodyToFlux(Task.class));
//
// assertThat(taskResponse.blockFirst()).isInstanceOf(Task.class);
// }
// @Test
// public void givenCheckTask_whenServerHandle_thenOragicServerResponseALiveString() throws Exception {
// URI uri = URI.create("http://localhost:8080/task");
// ExchangeFunction exchange = ExchangeFunctions.create(new ReactorClientHttpConnector());
// ClientRequest request = ClientRequest
// .method(HttpMethod.GET, uri)
// .body(BodyInserters.fromPublisher(getLatLngs(), Task.class))
// .build();
//
// Flux<String> taskResponse = exchange
// .exchange(request)
// .flatMap(response -> response.bodyToFlux(String.class));
//
// assertThat(taskResponse.blockFirst()).isInstanceOf(String.class);
// }
private static Flux<Task> getLatLngs() {
return Flux.range(0, 3)
.zipWith(Flux.interval(Duration.ofSeconds(1)))
.map(x -> new Task("taskname", 1))
.doOnNext(ll -> System.out.println("Produced: {}" + ll));
}
}

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@ -15,13 +15,15 @@ import org.springframework.boot.test.mock.mockito.MockBean;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.test.web.reactive.server.WebTestClient;
import com.baeldung.reactive.Spring5ReactiveApplication;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
@RunWith(SpringRunner.class)
@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, classes=Spring5ReactiveApplication.class)
@FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class EmployeeControllerUnitTest {
public class EmployeeControllerIntegrationTest {
@Autowired
private WebTestClient testClient;

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@ -0,0 +1,40 @@
package com.baeldung.security;
import com.baeldung.reactive.SpringSecurity5Application;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.security.test.context.support.WithMockUser;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.test.web.reactive.server.WebTestClient;
@RunWith(SpringRunner.class)
@ContextConfiguration(classes = SpringSecurity5Application.class)
public class SecurityIntegrationTest {
@Autowired
ApplicationContext context;
private WebTestClient rest;
@Before
public void setup() {
this.rest = WebTestClient.bindToApplicationContext(this.context).configureClient().build();
}
@Test
public void whenNoCredentials_thenRedirectToLogin() {
this.rest.get().uri("/").exchange().expectStatus().is3xxRedirection();
}
@Test
@Ignore
@WithMockUser
public void whenHasCredentials_thenSeesGreeting() {
this.rest.get().uri("/").exchange().expectStatus().isOk().expectBody(String.class).isEqualTo("Hello, user");
}
}

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@ -0,0 +1,60 @@
package com.baeldung.web.client;
import com.baeldung.reactive.Spring5ReactiveApplication;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.boot.web.server.LocalServerPort;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.test.web.reactive.server.WebTestClient;
import org.springframework.web.reactive.function.server.RequestPredicates;
import org.springframework.web.reactive.function.server.RouterFunction;
import org.springframework.web.reactive.function.server.RouterFunctions;
import org.springframework.web.reactive.function.server.ServerResponse;
import org.springframework.web.server.WebHandler;
import reactor.core.publisher.Mono;
@RunWith(SpringRunner.class)
@SpringBootTest(classes = Spring5ReactiveApplication.class, webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
public class WebTestClientIntegrationTest {
@LocalServerPort
private int port;
private final RouterFunction ROUTER_FUNCTION = RouterFunctions.route(RequestPredicates.GET("/resource"), request -> ServerResponse.ok()
.build());
private final WebHandler WEB_HANDLER = exchange -> Mono.empty();
@Test
public void testWebTestClientWithServerWebHandler() {
WebTestClient.bindToWebHandler(WEB_HANDLER)
.build();
}
@Test
public void testWebTestClientWithRouterFunction() {
WebTestClient.bindToRouterFunction(ROUTER_FUNCTION)
.build()
.get()
.uri("/resource")
.exchange()
.expectStatus()
.isOk()
.expectBody()
.isEmpty();
}
@Test
public void testWebTestClientWithServerURL() {
WebTestClient.bindToServer()
.baseUrl("http://localhost:" + port)
.build()
.get()
.uri("/resource")
.exchange()
.expectStatus()
.is3xxRedirection()
.expectBody();
}
}