Rename directory, new concerete client example

micronaut/hello-world-server/src/main/java/com/baeldung/micronaut/server/controller/AsyncGreetController.java

@@ -1,20 +0,0 @@
-package com.baeldung.micronaut.server.controller;
-
-import com.baeldung.micronaut.server.service.GreetingService;
-import io.micronaut.http.annotation.Controller;
-import io.micronaut.http.annotation.Get;
-import reactor.core.publisher.Mono;
-
-import javax.inject.Inject;
-
-@Controller("/async/greet")
-public class AsyncGreetController {
-
-    @Inject
-    private GreetingService greetingService;
-
-    @Get("/{name}")
-    public Mono<String> greet(String name) {
-        return Mono.just(greetingService.getGreeting() + name);
-    }
-}

micronaut/hello-world/pom.xml

@@ -1,17 +1,17 @@
 <?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>hello.world.server</groupId>
-  <artifactId>hello-world-server</artifactId>
+  <groupId>com.baeldung.micronaut</groupId>
+  <artifactId>hello-world</artifactId>
   <version>0.1</version>
   <properties>
-    <exec.mainClass>com.baeldung.micronaut.server.ServerApplication</exec.mainClass>
+    <exec.mainClass>com.baeldung.micronaut.helloworld.server.ServerApplication</exec.mainClass>
     <micronaut.version>1.0.0.M2</micronaut.version>
     <jdk.version>9</jdk.version>
   </properties>
   <repositories>
         <repository>
           <id>jcenter.bintray.com</id>
-          <url>https://jcenter.bintray.com</url>
+          <url>http://jcenter.bintray.com</url>
         </repository>
     </repositories>
   <dependencyManagement>

micronaut/hello-world/src/main/java/com/baeldung/micronaut/helloworld/client/ConcreteGreetingClient.java

@@ -0,0 +1,28 @@
+package com.baeldung.micronaut.helloworld.client;
+
+import io.micronaut.http.HttpRequest;
+import io.micronaut.http.client.Client;
+import io.micronaut.http.client.RxHttpClient;
+import io.reactivex.Single;
+
+import javax.inject.Singleton;
+
+@Singleton
+public class ConcreteGreetingClient
+{
+   private RxHttpClient httpClient;
+
+   public ConcreteGreetingClient(@Client("/") RxHttpClient httpClient) {
+      this.httpClient = httpClient;
+   }
+
+   public String greet(String name) {
+      HttpRequest<String> req = HttpRequest.GET("/greet/" + name);
+      return httpClient.retrieve(req).blockingFirst();
+   }
+
+   public Single<String> greetAsync(String name) {
+      HttpRequest<String> req = HttpRequest.GET("/async/greet/" + name);
+      return httpClient.retrieve(req).first("An error as occurred");
+   }
+}

micronaut/hello-world/src/main/java/com/baeldung/micronaut/helloworld/client/GreetingClient.java

@@ -1,10 +1,14 @@
-package com.baeldung.micronaut.client;
+package com.baeldung.micronaut.helloworld.client;
 
 import io.micronaut.http.annotation.Get;
 import io.micronaut.http.client.Client;
+import io.micronaut.http.client.RxHttpClient;
+
+import javax.inject.Inject;
 
 @Client("/greet")
 public interface GreetingClient {
+
     @Get("/{name}")
     String greet(String name);
 }

micronaut/hello-world/src/main/java/com/baeldung/micronaut/helloworld/server/ServerApplication.java

@@ -1,4 +1,4 @@
-package com.baeldung.micronaut.server;
+package com.baeldung.micronaut.helloworld.server;
 
 import io.micronaut.runtime.Micronaut;
 

micronaut/hello-world/src/main/java/com/baeldung/micronaut/helloworld/server/controller/AsyncGreetController.java

@@ -0,0 +1,20 @@
+package com.baeldung.micronaut.helloworld.server.controller;
+
+import com.baeldung.micronaut.helloworld.server.service.GreetingService;
+import io.micronaut.http.annotation.Controller;
+import io.micronaut.http.annotation.Get;
+import io.reactivex.Single;
+
+import javax.inject.Inject;
+
+@Controller("/async/greet")
+public class AsyncGreetController {
+
+    @Inject
+    private GreetingService greetingService;
+
+    @Get("/{name}")
+    public Single<String> greet(String name) {
+        return Single.just(greetingService.getGreeting() + name);
+    }
+}

micronaut/hello-world/src/main/java/com/baeldung/micronaut/helloworld/server/controller/GreetController.java

@@ -1,6 +1,6 @@
-package com.baeldung.micronaut.server.controller;
+package com.baeldung.micronaut.helloworld.server.controller;
 
-import com.baeldung.micronaut.server.service.GreetingService;
+import com.baeldung.micronaut.helloworld.server.service.GreetingService;
 import io.micronaut.http.MediaType;
 import io.micronaut.http.annotation.Body;
 import io.micronaut.http.annotation.Controller;

micronaut/hello-world/src/main/java/com/baeldung/micronaut/helloworld/server/service/EnglishGreetingService.java

@@ -1,4 +1,4 @@
-package com.baeldung.micronaut.server.service;
+package com.baeldung.micronaut.helloworld.server.service;
 
 import io.micronaut.context.annotation.Primary;
 

micronaut/hello-world/src/main/java/com/baeldung/micronaut/helloworld/server/service/GreetingService.java

@@ -1,4 +1,4 @@
-package com.baeldung.micronaut.server.service;
+package com.baeldung.micronaut.helloworld.server.service;
 
 public interface GreetingService {
 

micronaut/hello-world/src/main/java/com/baeldung/micronaut/helloworld/server/service/SpanishGreetingService.java

@@ -1,4 +1,4 @@
-package com.baeldung.micronaut.server.service;
+package com.baeldung.micronaut.helloworld.server.service;
 
 import javax.inject.Singleton;
 

micronaut/hello-world/src/main/resources/application.yml

@@ -2,4 +2,4 @@ micronaut:
     application:
         name: hello-world-server
     server:
-        port: 8080
+        port: 9080

micronaut/hello-world/src/test/java/com/baeldung/micronaut/helloworld/client/ConcreteGreetingClientTest.java

@@ -0,0 +1,38 @@
+package com.baeldung.micronaut.helloworld.client;
+
+import io.micronaut.context.ApplicationContext;
+import io.micronaut.runtime.server.EmbeddedServer;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import static junit.framework.TestCase.assertEquals;
+
+public class ConcreteGreetingClientTest
+{
+   private EmbeddedServer server;
+   private ConcreteGreetingClient client;
+
+   @Before
+   public void setup()
+   {
+      server = ApplicationContext.run(EmbeddedServer.class);
+      client = server.getApplicationContext().getBean(ConcreteGreetingClient.class);
+   }
+
+   @After
+   public void cleanup()
+   {
+      server.stop();
+   }
+
+   @Test
+   public void testGreeting() {
+      assertEquals(client.greet("Mike"), "Hello Mike");
+   }
+
+   @Test
+   public void testGreetingAsync() {
+      assertEquals(client.greetAsync("Mike").blockingGet(), "Hello Mike");
+   }
+}

micronaut/hello-world/src/test/java/com/baeldung/micronaut/helloworld/client/GreetingClientTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.micronaut.client;
+package com.baeldung.micronaut.helloworld.client;
 
 import io.micronaut.context.ApplicationContext;
 import io.micronaut.runtime.server.EmbeddedServer;
@@ -15,19 +15,18 @@ public class GreetingClientTest {
     @Before
     public void setup()
     {
-        this.server = ApplicationContext.run(EmbeddedServer.class);
-        this.client = server.getApplicationContext().getBean(GreetingClient.class);
-    }
-
-    @Test
-    public void shouldReturnName() {
-        String response = client.greet("Mike");
-        assertEquals(response, "Hello Mike");
+        server = ApplicationContext.run(EmbeddedServer.class);
+        client = server.getApplicationContext().getBean(GreetingClient.class);
     }
 
     @After
     public void cleanup()
     {
-        this.server.stop();
+        server.stop();
+    }
+
+    @Test
+    public void testGreeting() {
+        assertEquals(client.greet("Mike"), "Hello Mike");
     }
 }