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BAEL-1354 Guide to microservice with meecrowave (eugenp#4612)
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‎apache-meecrowave/pom.xml‎

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.baeldung</groupId>
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<artifactId>apache-meecrowave</artifactId>
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<version>0.0.1</version>
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<name>apache-meecrowave</name>
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<description>A sample REST API application with Meecrowave</description>
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<properties>
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<maven.compiler.source>1.8</maven.compiler.source>
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<maven.compiler.target>1.8</maven.compiler.target>
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</properties>
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<dependencies>
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<!-- https://mvnrepository.com/artifact/org.apache.meecrowave/meecrowave-core -->
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<dependency>
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<groupId>org.apache.meecrowave</groupId>
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<artifactId>meecrowave-core</artifactId>
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<version>1.2.1</version>
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</dependency>
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<!-- https://mvnrepository.com/artifact/org.apache.meecrowave/meecrowave-jpa -->
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<dependency>
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<groupId>org.apache.meecrowave</groupId>
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<artifactId>meecrowave-jpa</artifactId>
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<version>1.2.1</version>
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</dependency>
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<dependency>
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<groupId>com.squareup.okhttp3</groupId>
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<artifactId>okhttp</artifactId>
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<version>3.10.0</version>
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</dependency>
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<dependency>
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<groupId>org.apache.meecrowave</groupId>
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<artifactId>meecrowave-junit</artifactId>
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<version>1.2.0</version>
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<scope>test</scope>
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</dependency>
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<!-- https://mvnrepository.com/artifact/junit/junit -->
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>4.10</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.meecrowave</groupId>
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<artifactId>meecrowave-maven-plugin</artifactId>
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<version>1.2.1</version>
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</plugin>
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</plugins>
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</build>
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</project>

‎apache-meecrowave/src/main/java/com/baeldung/meecrowave/Article.java‎

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package com.baeldung.meecrowave;
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public class Article {
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private String name;
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private String author;
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public Article() {
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}
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public Article(String name, String author) {
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this.author = author;
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this.name = name;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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public String getAuthor() {
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return author;
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}
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public void setAuthor(String author) {
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this.author = author;
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}
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}

‎apache-meecrowave/src/main/java/com/baeldung/meecrowave/ArticleEndpoints.java‎

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package com.baeldung.meecrowave;
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import javax.enterprise.context.RequestScoped;
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import javax.inject.Inject;
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import javax.ws.rs.GET;
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import javax.ws.rs.POST;
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import javax.ws.rs.Path;
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import javax.ws.rs.core.Response;
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import javax.ws.rs.core.Response.Status;
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@RequestScoped
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@Path("article")
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public class ArticleEndpoints {
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@Inject
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ArticleService articleService;
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@GET
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public Response getArticle() {
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return Response.ok()
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.entity(new Article("name", "author"))
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.build();
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}
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@POST
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public Response createArticle(Article article) {
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return Response.status(Status.CREATED)
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.entity(articleService.createArticle(article))
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.build();
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}
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}

‎apache-meecrowave/src/main/java/com/baeldung/meecrowave/ArticleService.java‎

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package com.baeldung.meecrowave;
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import javax.enterprise.context.ApplicationScoped;
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@ApplicationScoped
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public class ArticleService {
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public Article createArticle(Article article) {
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return article;
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}
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}

‎apache-meecrowave/src/main/java/com/baeldung/meecrowave/Server.java‎

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package com.baeldung.meecrowave;
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import org.apache.meecrowave.Meecrowave;
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public class Server {
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public static void main(String[] args) {
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final Meecrowave.Builder builder = new Meecrowave.Builder();
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builder.setScanningPackageIncludes("com.baeldung.meecrowave");
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builder.setJaxrsMapping("/api/*");
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builder.setJsonpPrettify(true);
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try (Meecrowave meecrowave = new Meecrowave(builder)) {
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meecrowave.bake().await();
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}
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}
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}

‎apache-meecrowave/src/test/java/com/baeldung/meecrowave/ArticleEndpointsTest.java‎

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package com.baeldung.meecrowave;
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import static org.junit.Assert.assertEquals;
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import java.io.IOException;
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import org.apache.meecrowave.Meecrowave;
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import org.apache.meecrowave.junit.MonoMeecrowave;
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import org.apache.meecrowave.testing.ConfigurationInject;
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import org.junit.BeforeClass;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import okhttp3.OkHttpClient;
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import okhttp3.Request;
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import okhttp3.Response;
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@RunWith(MonoMeecrowave.Runner.class)
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public class ArticleEndpointsTest {
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@ConfigurationInject
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private Meecrowave.Builder config;
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private static OkHttpClient client;
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@BeforeClass
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public static void setup() {
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client = new OkHttpClient();
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}
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@Test
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public void whenRetunedArticle_thenCorrect() throws IOException {
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final String base = "http://localhost:"+config.getHttpPort();
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Request request = new Request.Builder()
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.url(base+"/article")
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.build();
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Response response = client.newCall(request).execute();
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assertEquals(200, response.code());
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}
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}

‎meecrowave/pom.xml‎

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.baeldung</groupId>
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<artifactId>apache-meecrowave</artifactId>
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<version>0.0.1</version>
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<name>apache-meecrowave</name>
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<description>A sample REST API application with Meecrowave</description>
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<properties>
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<maven.compiler.source>1.8</maven.compiler.source>
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<maven.compiler.target>1.8</maven.compiler.target>
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</properties>
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<dependencies>
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<!-- https://mvnrepository.com/artifact/org.apache.meecrowave/meecrowave-core -->
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<dependency>
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<groupId>org.apache.meecrowave</groupId>
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<artifactId>meecrowave-core</artifactId>
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<version>1.2.1</version>
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</dependency>
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<!-- https://mvnrepository.com/artifact/org.apache.meecrowave/meecrowave-jpa -->
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<dependency>
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<groupId>org.apache.meecrowave</groupId>
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<artifactId>meecrowave-jpa</artifactId>
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<version>1.2.1</version>
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</dependency>
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<dependency>
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<groupId>com.squareup.okhttp3</groupId>
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<artifactId>okhttp</artifactId>
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<version>3.10.0</version>
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</dependency>
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<dependency>
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<groupId>org.apache.meecrowave</groupId>
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<artifactId>meecrowave-junit</artifactId>
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<version>1.2.0</version>
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<scope>test</scope>
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</dependency>
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<!-- https://mvnrepository.com/artifact/junit/junit -->
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>4.10</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.meecrowave</groupId>
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<artifactId>meecrowave-maven-plugin</artifactId>
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<version>1.2.1</version>
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</plugin>
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</plugins>
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</build>
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</project>

‎meecrowave/src/main/java/com/baeldung/meecrowave/Article.java‎

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package com.baeldung.meecrowave;
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public class Article {
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private String name;
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private String author;
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public Article() {
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}
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public Article(String name, String author) {
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this.author = author;
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this.name = name;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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public String getAuthor() {
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return author;
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}
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public void setAuthor(String author) {
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this.author = author;
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}
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}

‎meecrowave/src/main/java/com/baeldung/meecrowave/ArticleEndpoints.java‎

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package com.baeldung.meecrowave;
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import javax.enterprise.context.RequestScoped;
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import javax.inject.Inject;
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import javax.ws.rs.GET;
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import javax.ws.rs.POST;
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import javax.ws.rs.Path;
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import javax.ws.rs.core.Response;
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import javax.ws.rs.core.Response.Status;
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@RequestScoped
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@Path("article")
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public class ArticleEndpoints {
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@Inject
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ArticleService articleService;
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@GET
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public Response getArticle() {
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return Response.ok()
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.entity(new Article("name", "author"))
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.build();
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}
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@POST
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public Response createArticle(Article article) {
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return Response.status(Status.CREATED)
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.entity(articleService.createArticle(article))
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.build();
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}
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}

‎meecrowave/src/main/java/com/baeldung/meecrowave/ArticleService.java‎

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package com.baeldung.meecrowave;
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import javax.enterprise.context.ApplicationScoped;
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@ApplicationScoped
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public class ArticleService {
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public Article createArticle(Article article) {
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return article;
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}
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}

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