Added new module to demonstrate topic "Introduction to RabbitMQ". (#1197)

pom.xml

@@ -199,6 +199,9 @@
         <module>apache-velocity</module>
         <module>apache-solrj</module>
 
+        <module>rabbitmq</module>
+
+
     </modules>
 
     <build>

rabbitmq/pom.xml

@@ -0,0 +1,43 @@
+<?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>
+    <groupId>com.baeldung</groupId>
+    <artifactId>rabbitmq</artifactId>
+    <version>0.1-SNAPSHOT</version>
+
+    <name>rabbitmq</name>
+    <url>http://maven.apache.org</url>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.rabbitmq</groupId>
+            <artifactId>amqp-client</artifactId>
+            <version>3.6.6</version>
+        </dependency>
+    </dependencies>
+    <build>
+        <pluginManagement>
+            <plugins>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-compiler-plugin</artifactId>
+                    <version>${maven-compiler-plugin.version}</version>
+                    <configuration>
+                        <source>1.8</source>
+                        <target>1.8</target>
+                    </configuration>
+                </plugin>
+            </plugins>
+
+        </pluginManagement>
+    </build>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+
+        <maven-compiler-plugin.version>3.6.0</maven-compiler-plugin.version>
+    </properties>
+
+</project>

rabbitmq/src/main/java/com/baeldung/consumer/Receiver.java

@@ -0,0 +1,31 @@
+package com.baeldung.consumer;
+
+import com.rabbitmq.client.*;
+
+import java.io.IOException;
+import java.util.concurrent.TimeoutException;
+
+public class Receiver {
+
+    private static final String QUEUE_NAME = "products_queue";
+
+    public static void main (String[] args) throws IOException, TimeoutException {
+        ConnectionFactory factory = new ConnectionFactory();
+        factory.setHost("localhost");
+        Connection connection = factory.newConnection();
+        Channel channel = connection.createChannel();
+
+        channel.queueDeclare(QUEUE_NAME, false, false, false, null);
+
+        Consumer consumer = new DefaultConsumer(channel) {
+            @Override
+            public void handleDelivery(String consumerTag,
+                                       Envelope envelope, AMQP.BasicProperties properties,
+                                       byte[] body) throws IOException {
+                String message = new String(body, "UTF-8");
+                System.out.println(" [x] Received '" + message + "'");
+            }
+        };
+        channel.basicConsume(QUEUE_NAME, true, consumer);
+    }
+}

rabbitmq/src/main/java/com/baeldung/producer/Publisher.java

@@ -0,0 +1,27 @@
+package com.baeldung.producer;
+
+import com.rabbitmq.client.*;
+
+import java.io.IOException;
+import java.util.concurrent.TimeoutException;
+
+public class Publisher {
+
+    private final static String QUEUE_NAME = "products_queue";
+
+    public static void main(String[]args) throws IOException, TimeoutException {
+        ConnectionFactory factory = new ConnectionFactory();
+        factory.setHost("localhost");
+        Connection connection = factory.newConnection();
+        Channel channel = connection.createChannel();
+
+        String message = "product details";
+        channel.queueDeclare(QUEUE_NAME, false, false, false, null);
+
+        channel.basicPublish("", QUEUE_NAME, null, message.getBytes());
+        System.out.println(" [x] Sent '" + message + "'");
+
+        channel.close();
+        connection.close();
+    }
+}