diff --git a/pom.xml b/pom.xml index aa4e497844..81ae255005 100644 --- a/pom.xml +++ b/pom.xml @@ -614,6 +614,7 @@ spring-5-data-reactive spring-5-mvc spring-5-reactive + spring-5-reactive-2 spring-5-reactive-client spring-5-reactive-oauth spring-5-reactive-security @@ -826,6 +827,7 @@ spring-5 spring-5-data-reactive spring-5-reactive + spring-5-reactive-2 spring-5-reactive-client spring-5-reactive-security spring-5-security @@ -1286,6 +1288,7 @@ spring-5-data-reactive spring-5-mvc spring-5-reactive + spring-5-reactive-2 spring-5-reactive-client spring-5-reactive-oauth spring-5-reactive-security diff --git a/spring-5-reactive-2/.gitignore b/spring-5-reactive-2/.gitignore new file mode 100644 index 0000000000..dec013dfa4 --- /dev/null +++ b/spring-5-reactive-2/.gitignore @@ -0,0 +1,12 @@ +#folders# +.idea +/target +/neoDb* +/data +/src/main/webapp/WEB-INF/classes +*/META-INF/* + +# Packaged files # +*.jar +*.war +*.ear \ No newline at end of file diff --git a/spring-5-reactive-2/README.md b/spring-5-reactive-2/README.md new file mode 100644 index 0000000000..bbb45e9f8c --- /dev/null +++ b/spring-5-reactive-2/README.md @@ -0,0 +1 @@ +## Spring 5 Reactive Project diff --git a/spring-5-reactive-2/pom.xml b/spring-5-reactive-2/pom.xml new file mode 100644 index 0000000000..668e0e5cf9 --- /dev/null +++ b/spring-5-reactive-2/pom.xml @@ -0,0 +1,50 @@ + + + 4.0.0 + com.baeldung + spring-5-reactive-2 + 0.0.1-SNAPSHOT + spring-5-reactive-2 + jar + spring 5 sample project about new features + + + com.baeldung + parent-boot-2 + 0.0.1-SNAPSHOT + ../parent-boot-2 + + + + + org.springframework.boot + spring-boot-starter-webflux + + + org.springframework.boot + spring-boot-starter-test + test + + + org.projectlombok + lombok + ${lombok.version} + provided + + + + + + + org.springframework.boot + spring-boot-maven-plugin + + com.baeldung.webclient.WebClientApplication + JAR + + + + + + diff --git a/spring-5-reactive-2/src/main/java/com/baeldung/webclient/Tweet.java b/spring-5-reactive-2/src/main/java/com/baeldung/webclient/Tweet.java new file mode 100644 index 0000000000..8d294955f3 --- /dev/null +++ b/spring-5-reactive-2/src/main/java/com/baeldung/webclient/Tweet.java @@ -0,0 +1,13 @@ +package com.baeldung.webclient; + +import lombok.AllArgsConstructor; +import lombok.Data; +import lombok.NoArgsConstructor; + +@Data +@NoArgsConstructor +@AllArgsConstructor +public class Tweet { + private String text; + private String username; +} diff --git a/spring-5-reactive-2/src/main/java/com/baeldung/webclient/TweetsSlowServiceController.java b/spring-5-reactive-2/src/main/java/com/baeldung/webclient/TweetsSlowServiceController.java new file mode 100644 index 0000000000..fecaca25ef --- /dev/null +++ b/spring-5-reactive-2/src/main/java/com/baeldung/webclient/TweetsSlowServiceController.java @@ -0,0 +1,20 @@ +package com.baeldung.webclient; + +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.RestController; + +import java.util.Arrays; +import java.util.List; + +@RestController +public class TweetsSlowServiceController { + + @GetMapping("/slow-service-tweets") + private List getAllTweets() throws Exception { + Thread.sleep(2000L); // delay + return Arrays.asList( + new Tweet("RestTemplate rules", "@user1"), + new Tweet("WebClient is better", "@user2"), + new Tweet("OK, both are useful", "@user1")); + } +} diff --git a/spring-5-reactive-2/src/main/java/com/baeldung/webclient/WebClientApplication.java b/spring-5-reactive-2/src/main/java/com/baeldung/webclient/WebClientApplication.java new file mode 100644 index 0000000000..751e3a9487 --- /dev/null +++ b/spring-5-reactive-2/src/main/java/com/baeldung/webclient/WebClientApplication.java @@ -0,0 +1,11 @@ +package com.baeldung.webclient; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class WebClientApplication { + public static void main(String[] args) { + SpringApplication.run(WebClientApplication.class, args); + } +} diff --git a/spring-5-reactive-2/src/main/java/com/baeldung/webclient/WebController.java b/spring-5-reactive-2/src/main/java/com/baeldung/webclient/WebController.java new file mode 100644 index 0000000000..73f5724819 --- /dev/null +++ b/spring-5-reactive-2/src/main/java/com/baeldung/webclient/WebController.java @@ -0,0 +1,60 @@ +package com.baeldung.webclient; + +import lombok.Setter; +import lombok.extern.slf4j.Slf4j; +import org.springframework.core.ParameterizedTypeReference; +import org.springframework.http.HttpMethod; +import org.springframework.http.MediaType; +import org.springframework.http.ResponseEntity; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.RestController; +import org.springframework.web.client.RestTemplate; +import org.springframework.web.reactive.function.client.WebClient; +import reactor.core.publisher.Flux; + +import java.util.List; + +@Slf4j +@RestController +public class WebController { + + private static final int DEFAULT_PORT = 8080; + + @Setter + private int serverPort = DEFAULT_PORT; + + @GetMapping("/tweets-blocking") + public List getTweetsBlocking() { + log.info("Starting BLOCKING Controller!"); + final String uri = getSlowServiceUri(); + + RestTemplate restTemplate = new RestTemplate(); + ResponseEntity> response = restTemplate.exchange( + uri, HttpMethod.GET, null, + new ParameterizedTypeReference>(){}); + + List result = response.getBody(); + result.forEach(tweet -> log.info(tweet.toString())); + log.info("Exiting BLOCKING Controller!"); + return result; + } + + @GetMapping(value = "/tweets-non-blocking", produces = MediaType.TEXT_EVENT_STREAM_VALUE) + public Flux getTweetsNonBlocking() { + log.info("Starting NON-BLOCKING Controller!"); + Flux tweetFlux = WebClient.create() + .get() + .uri(getSlowServiceUri()) + .retrieve() + .bodyToFlux(Tweet.class); + + tweetFlux.subscribe(tweet -> log.info(tweet.toString())); + log.info("Exiting NON-BLOCKING Controller!"); + return tweetFlux; + } + + private String getSlowServiceUri() { + return "http://localhost:" + serverPort + "/slow-service-tweets"; + } + +} diff --git a/spring-5-reactive-2/src/test/java/com/baeldung/webclient/WebControllerIntegrationTest.java b/spring-5-reactive-2/src/test/java/com/baeldung/webclient/WebControllerIntegrationTest.java new file mode 100644 index 0000000000..09c3a5fb84 --- /dev/null +++ b/spring-5-reactive-2/src/test/java/com/baeldung/webclient/WebControllerIntegrationTest.java @@ -0,0 +1,51 @@ +package com.baeldung.webclient; + +import org.junit.Before; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.beans.factory.annotation.Autowired; +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; + +@RunWith(SpringRunner.class) +@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, classes = WebClientApplication.class) +public class WebControllerIntegrationTest { + + @LocalServerPort + int randomServerPort; + + @Autowired + private WebTestClient testClient; + + @Autowired + private WebController webController; + + @Before + public void setup() { + webController.setServerPort(randomServerPort); + } + + @Test + public void whenEndpointWithBlockingClientIsCalled_thenThreeTweetsAreReceived() { + testClient.get() + .uri("/tweets-blocking") + .exchange() + .expectStatus() + .isOk() + .expectBodyList(Tweet.class) + .hasSize(3); + } + + @Test + public void whenEndpointWithNonBlockingClientIsCalled_thenThreeTweetsAreReceived() { + testClient.get() + .uri("/tweets-non-blocking") + .exchange() + .expectStatus() + .isOk() + .expectBodyList(Tweet.class) + .hasSize(3); + } +} \ No newline at end of file