Add MQTT Sample
* Move `ftp` `log4j` dependency to the `testCompile` configuration * Regenerate POM for MQTT sample
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Gary Russell
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Artem Bilan
Artem Bilan
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29
basic/mqtt/README.md
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29
basic/mqtt/README.md
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Spring Integration - MQTT Sample
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================================
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# Overview
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This sample demonstrates basic functionality of the **Spring Integration MQTT Adapters**.
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It assumes a broker is running on localhost on port 1883.
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Once the application is started, you enter some text on the command prompt and a message containing that entered text is
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dispatched to the MQTT topic. In return that message is retrieved by Spring Integration and then logged.
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# How to Run the Sample
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If you imported the example into your IDE, you can just run class **org.springframework.integration.samples.mqtt.Application**.
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For example in [SpringSource Tool Suite](http://www.springsource.com/developer/sts) (STS) do:
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* Right-click on SampleSimple class --> Run As --> Spring Boot App
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(or run from the boot console).
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Alternatively, you can start the sample from the command line:
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* ./gradlew :mqtt:run
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Enter some data (e.g. `foo`) on the console; you will see `foo sent to MQTT, received from MQTT`
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Ctrl-C to terminate.
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123
basic/mqtt/pom.xml
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basic/mqtt/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>1.4.0.M1</version>
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</parent>
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<groupId>org.springframework.integration.samples</groupId>
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<artifactId>mqtt</artifactId>
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<version>4.3.0.BUILD-SNAPSHOT</version>
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<name>MQTT Basic Sample</name>
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<description>MQTT Basic Sample</description>
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<url>http://projects.spring.io/spring-integration</url>
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<organization>
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<name>SpringIO</name>
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<url>https://spring.io</url>
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</organization>
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<licenses>
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<license>
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<name>The Apache Software License, Version 2.0</name>
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<url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
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<distribution>repo</distribution>
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</license>
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</licenses>
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<developers>
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<developer>
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<id>garyrussell</id>
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<name>Gary Russell</name>
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<email>grussell@pivotal.io</email>
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<roles>
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<role>project lead</role>
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</roles>
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</developer>
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<developer>
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<id>markfisher</id>
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<name>Mark Fisher</name>
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<email>mfisher@pivotal.io</email>
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<roles>
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<role>project founder and lead emeritus</role>
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</roles>
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</developer>
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<developer>
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<id>ghillert</id>
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<name>Gunnar Hillert</name>
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<email>ghillert@pivotal.io</email>
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</developer>
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<developer>
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<id>abilan</id>
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<name>Artem Bilan</name>
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<email>abilan@pivotal.io</email>
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</developer>
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</developers>
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<scm>
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<connection>scm:git:scm:git:git://github.com/spring-projects/spring-integration-samples.git</connection>
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<developerConnection>scm:git:scm:git:ssh://git@github.com:spring-projects/spring-integration-samples.git</developerConnection>
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<url>https://github.com/spring-projects/spring-integration-samples</url>
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</scm>
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<dependencies>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>4.11</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.hamcrest</groupId>
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<artifactId>hamcrest-all</artifactId>
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<version>1.3</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-integration</artifactId>
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<scope>compile</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.integration</groupId>
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<artifactId>spring-integration-java-dsl</artifactId>
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<version>1.1.2.RELEASE</version>
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<scope>compile</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.integration</groupId>
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<artifactId>spring-integration-stream</artifactId>
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<version>4.3.0.M1</version>
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<scope>compile</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-test</artifactId>
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<version>4.2.3.RELEASE</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.integration</groupId>
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<artifactId>spring-integration-mqtt</artifactId>
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<version>4.3.0.M1</version>
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<scope>compile</scope>
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</dependency>
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<dependency>
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<groupId>org.mockito</groupId>
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<artifactId>mockito-core</artifactId>
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<version>1.9.5</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<repositories>
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<repository>
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<id>repo.spring.io.milestone</id>
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<name>Spring Framework Maven Milestone Repository</name>
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<url>https://repo.spring.io/libs-milestone</url>
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</repository>
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</repositories>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>
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@@ -0,0 +1,133 @@
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/*
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* Copyright 2016 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.integration.samples.mqtt;
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import org.apache.log4j.Logger;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.context.annotation.Bean;
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import org.springframework.integration.annotation.IntegrationComponentScan;
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import org.springframework.integration.dsl.IntegrationFlow;
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import org.springframework.integration.dsl.IntegrationFlows;
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import org.springframework.integration.dsl.core.Pollers;
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import org.springframework.integration.endpoint.MessageProducerSupport;
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import org.springframework.integration.handler.LoggingHandler;
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import org.springframework.integration.mqtt.core.DefaultMqttPahoClientFactory;
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import org.springframework.integration.mqtt.core.MqttPahoClientFactory;
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import org.springframework.integration.mqtt.inbound.MqttPahoMessageDrivenChannelAdapter;
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import org.springframework.integration.mqtt.outbound.MqttPahoMessageHandler;
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import org.springframework.integration.mqtt.support.DefaultPahoMessageConverter;
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import org.springframework.integration.stream.CharacterStreamReadingMessageSource;
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import org.springframework.messaging.MessageHandler;
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/**
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* Starts the Spring Context and will initialize the Spring Integration message flow.
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*
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* @author Gary Russell
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*
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*/
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@SpringBootApplication
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@IntegrationComponentScan
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public class Application {
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private static final Logger LOGGER = Logger.getLogger(Application.class);
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/**
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* Load the Spring Integration Application Context
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*
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* @param args - command line arguments
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*/
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public static void main(final String... args) {
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LOGGER.info("\n========================================================="
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+ "\n "
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+ "\n Welcome to Spring Integration! "
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+ "\n "
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+ "\n For more information please visit: "
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+ "\n https://spring.io/projects/spring-integration "
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+ "\n "
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+ "\n=========================================================" );
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LOGGER.info("\n========================================================="
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+ "\n "
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+ "\n This is the MQTT Sample - "
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+ "\n "
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+ "\n Please enter some text and press return. The entered "
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+ "\n Message will be sent to the configured MQTT topic, "
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+ "\n then again immediately retrieved from the Message "
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+ "\n Broker and ultimately printed to the command line. "
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+ "\n "
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+ "\n=========================================================" );
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SpringApplication.run(Application.class, args);
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}
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@Bean
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public MqttPahoClientFactory mqttClientFactory() {
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DefaultMqttPahoClientFactory factory = new DefaultMqttPahoClientFactory();
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factory.setServerURIs("tcp://localhost:1883");
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factory.setUserName("guest");
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factory.setPassword("guest");
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return factory;
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}
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// publisher
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@Bean
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public IntegrationFlow mqttOutFlow() {
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return IntegrationFlows.from(CharacterStreamReadingMessageSource.stdin(),
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e -> e.poller(Pollers.fixedDelay(1000)))
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.transform(p -> p + " sent to MQTT")
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.handle(mqttOutbound())
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.get();
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}
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@Bean
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public MessageHandler mqttOutbound() {
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MqttPahoMessageHandler messageHandler = new MqttPahoMessageHandler("siSamplePublisher", mqttClientFactory());
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messageHandler.setAsync(true);
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messageHandler.setDefaultTopic("siSampleTopic");
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return messageHandler;
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}
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// consumer
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@Bean
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public IntegrationFlow mqttInFlow() {
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return IntegrationFlows.from(mqttInbound())
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.transform(p -> p + ", received from MQTT")
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.handle(logger())
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.get();
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}
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private LoggingHandler logger() {
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LoggingHandler loggingHandler = new LoggingHandler("INFO");
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loggingHandler.setLoggerName("siSample");
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return loggingHandler;
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}
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@Bean
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public MessageProducerSupport mqttInbound() {
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MqttPahoMessageDrivenChannelAdapter adapter = new MqttPahoMessageDrivenChannelAdapter("siSampleConsumer",
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mqttClientFactory(), "siSampleTopic");
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adapter.setCompletionTimeout(5000);
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adapter.setConverter(new DefaultPahoMessageConverter());
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adapter.setQos(1);
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return adapter;
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}
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}
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24
basic/mqtt/src/main/resources/logback.xml
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24
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<configuration>
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<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
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<!-- encoders are assigned the type ch.qos.logback.classic.encoder.PatternLayoutEncoder
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by default -->
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<encoder>
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<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
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</pattern>
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</encoder>
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</appender>
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<root level="debug">
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<appender-ref ref="STDOUT" />
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</root>
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<logger name="org.springframework" level="WARN" />
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<logger name="org.springframework.integration" level="ERROR" />
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<logger name="org.springframework.integration.samples" level="INFO" />
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<logger name="siSample" level="INFO" />
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</configuration>
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