BAEL-702 Intro to Vert.x Initial commit

pom.xml

@@ -203,8 +203,7 @@
         <module>apache-solrj</module>
 
         <module>rabbitmq</module>
-
+        <module>vertx</module>
-
   </modules>
 
     <build>

vertx/pom.xml

@@ -0,0 +1,111 @@
+<?xml version="1.0"?>
+<project
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
+	xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>com.baeldung</groupId>
+		<artifactId>parent-modules</artifactId>
+		<version>1.0.0-SNAPSHOT</version>
+	</parent>
+	<groupId>com.baeldung</groupId>
+	<artifactId>vertx</artifactId>
+	<version>1.0-SNAPSHOT</version>
+	<name>vertx</name>
+	<url>http://maven.apache.org</url>
+	<dependencies>
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>4.12</version>
+			<scope>test</scope>
+		</dependency>
+
+		<dependency>
+			<groupId>io.vertx</groupId>
+			<artifactId>vertx-core</artifactId>
+			<version>3.0.0</version>
+		</dependency>
+
+		<dependency>
+			<groupId>io.vertx</groupId>
+			<artifactId>vertx-web</artifactId>
+			<version>3.0.0</version>
+		</dependency>
+
+		<dependency>
+			<groupId>io.vertx</groupId>
+			<artifactId>vertx-unit</artifactId>
+			<version>3.0.0</version>
+			<scope>test</scope>
+		</dependency>
+		
+		<!-- logging -->
+
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>${org.slf4j.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+            <version>${logback.version}</version>
+        </dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<version>3.3</version>
+				<configuration>
+					<source>1.8</source>
+					<target>1.8</target>
+				</configuration>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-shade-plugin</artifactId>
+				<version>2.3</version>
+				<executions>
+					<execution>
+						<phase>package</phase>
+						<goals>
+							<goal>shade</goal>
+						</goals>
+						<configuration>
+							<transformers>
+								<transformer
+									implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+									<manifestEntries>
+										<Main-Class>io.vertx.core.Starter</Main-Class>
+										<Main-Verticle>com.baeldung.SimpleServerVerticle</Main-Verticle>
+									</manifestEntries>
+								</transformer>
+							</transformers>
+							<artifactSet />
+							<outputFile>${project.build.directory}/${project.artifactId}-${project.version}-app.jar</outputFile>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
+		</plugins>
+	</build>
+	
+	 <properties>
+
+        <!-- logging -->
+        <org.slf4j.version>1.7.21</org.slf4j.version>
+        <logback.version>1.1.7</logback.version>
+
+        <!-- testing -->
+        <testng.version>6.10</testng.version>
+
+        <!-- maven plugins -->
+        <maven-compiler-plugin.version>3.6.0</maven-compiler-plugin.version>
+        <maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
+
+    </properties>
+	
+</project>

vertx/src/main/conf/conf.json

@@ -0,0 +1,3 @@
+{
+ "http.port":8080	
+}

vertx/src/main/java/com/baeldung/HelloVerticle.java

@@ -0,0 +1,28 @@
+package com.baeldung;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import io.vertx.core.AbstractVerticle;
+import io.vertx.core.Future;
+import io.vertx.core.Vertx;
+
+public class HelloVerticle extends AbstractVerticle {
+    private static final Logger LOGGER = LoggerFactory.getLogger(HelloVerticle.class);
+
+    @Override
+    public void start(Future<Void> future) {
+        LOGGER.info("Welcome to Vertx");
+    }
+
+    @Override
+    public void stop() {
+        LOGGER.info("Shutting down application");
+    }
+
+    public static void main(String[] args) {
+        Vertx vertx = Vertx.vertx();
+        vertx.deployVerticle(new HelloVerticle());
+    }
+}
+

vertx/src/main/java/com/baeldung/SimpleServerVerticle.java

@@ -0,0 +1,26 @@
+package com.baeldung;
+
+import io.vertx.core.AbstractVerticle;
+import io.vertx.core.Future;
+
+public class SimpleServerVerticle extends AbstractVerticle {
+    
+    @Override
+    public void start(Future<Void> future) {
+        vertx.createHttpServer()
+            .requestHandler(request -> {
+                request.response()
+                    .end("Welcome to Vert.x Intro");
+            })
+            .listen(config().getInteger("http.port", 8080), result -> {
+                if (result.succeeded()) {
+                    future.complete();
+                } else {
+                    future.fail(result.cause());
+                }
+            });
+    }
+
+}
+
+

vertx/src/main/java/com/baeldung/model/Article.java

@@ -0,0 +1,59 @@
+package com.baeldung.model;
+
+public class Article {
+    private String id;
+    private String content;
+    private String author;
+    private String datePublished;
+    private int wordCount;
+
+    public Article(String id, String content, String author, String datePublished, int wordCount) {
+        super();
+        this.id = id;
+        this.content = content;
+        this.author = author;
+        this.datePublished = datePublished;
+        this.wordCount = wordCount;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getContent() {
+        return content;
+    }
+
+    public void setContent(String content) {
+        this.content = content;
+    }
+
+    public String getAuthor() {
+        return author;
+    }
+
+    public void setAuthor(String author) {
+        this.author = author;
+    }
+
+    public String getDatePublished() {
+        return datePublished;
+    }
+
+    public void setDatePublished(String datePublished) {
+        this.datePublished = datePublished;
+    }
+
+    public int getWordCount() {
+        return wordCount;
+    }
+
+    public void setWordCount(int wordCount) {
+        this.wordCount = wordCount;
+    }
+
+}

vertx/src/main/java/com/baledung/rest/RestServiceVerticle.java

@@ -0,0 +1,41 @@
+package com.baledung.rest;
+
+import com.baeldung.model.Article;
+
+import io.vertx.core.AbstractVerticle;
+import io.vertx.core.Future;
+import io.vertx.core.json.Json;
+import io.vertx.ext.web.Router;
+import io.vertx.ext.web.RoutingContext;
+
+public class RestServiceVerticle extends AbstractVerticle {
+    @Override
+    public void start(Future<Void> future) {
+
+        Router router = Router.router(vertx);
+        router.get("/api/baeldung/articles/article/:id")
+            .handler(this::getArticles);
+
+        vertx.createHttpServer()
+            .requestHandler(router::accept)
+            .listen(config().getInteger("http.port", 8080), result -> {
+                if (result.succeeded()) {
+                    future.complete();
+                } else {
+                    future.fail(result.cause());
+                }
+            });
+    }
+
+    private void getArticles(RoutingContext routingContext) {
+        String articleId = routingContext.request()
+            .getParam("id");
+        Article article = new Article(articleId, "This is an intro to vertx", "baeldung", "01-02-2017", 1578);
+
+        routingContext.response()
+            .putHeader("content-type", "application/json")
+            .setStatusCode(200)
+            .end(Json.encodePrettily(article));
+    }
+
+}

vertx/src/resources/logback.xml

@@ -0,0 +1,14 @@
+<configuration>
+
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>web - %date [%thread] %-5level %logger{36} - %message%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+
+</configuration>

vertx/src/test/java/com/baeldung/RestServiceVerticleTest.java

@@ -0,0 +1,46 @@
+package com.baeldung;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import com.baledung.rest.RestServiceVerticle;
+
+import io.vertx.core.Vertx;
+import io.vertx.ext.unit.Async;
+import io.vertx.ext.unit.TestContext;
+import io.vertx.ext.unit.junit.VertxUnitRunner;
+
+@RunWith(VertxUnitRunner.class)
+public class RestServiceVerticleTest {
+
+    private Vertx vertx;
+
+    @Before
+    public void setup(TestContext testContext) {
+        vertx = Vertx.vertx();
+
+        vertx.deployVerticle(RestServiceVerticle.class.getName(), testContext.asyncAssertSuccess());
+    }
+
+    @After
+    public void tearDown(TestContext testContext) {
+        vertx.close(testContext.asyncAssertSuccess());
+    }
+
+    @Test
+    public void givenId_whenReceivedArticle_thenSuccess(TestContext testContext) {
+        final Async async = testContext.async();
+
+        vertx.createHttpClient()
+            .getNow(8080, "localhost", "/api/baeldung/articles/article/12345", response -> {
+                response.handler(responseBody -> {
+                    testContext.assertTrue(responseBody.toString()
+                        .contains("\"id\" : \"12345\""));
+                    async.complete();
+                });
+            });
+    }
+
+}

vertx/src/test/java/com/baeldung/SimpleServerVerticleTest.java

@@ -0,0 +1,47 @@
+package com.baeldung;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import io.vertx.core.DeploymentOptions;
+import io.vertx.core.Vertx;
+import io.vertx.core.json.JsonObject;
+import io.vertx.ext.unit.Async;
+import io.vertx.ext.unit.TestContext;
+import io.vertx.ext.unit.junit.VertxUnitRunner;
+
+@RunWith(VertxUnitRunner.class)
+public class SimpleServerVerticleTest {
+    private Vertx vertx;
+
+    @Before
+    public void setup(TestContext testContext) {
+        vertx = Vertx.vertx();
+
+        vertx.deployVerticle(SimpleServerVerticle.class.getName(), 
+          testContext.asyncAssertSuccess());
+    }
+
+    @After
+    public void tearDown(TestContext testContext) {
+        vertx.close(testContext.asyncAssertSuccess());
+    }
+
+    @Test
+    public void whenReceivedResponse_thenSuccess(TestContext testContext) {
+        final Async async = testContext.async();
+
+        vertx.createHttpClient()
+            .getNow(8080, "localhost", "/", response -> {
+                response.handler(responseBody -> {
+                    testContext.assertTrue(responseBody.toString()
+                        .contains("Welcome"));
+                    async.complete();
+                });
+            });
+    }
+
+}
+