Template command

The template command is intended to configure libs/frameworks in an existing spring boot project very quickly and easily.

Documentation

command	argument	goal
spring template	--list	list all templates avaliable
spring template	-t ${TEMPLATE_NAME}	apply template in your project

Templates content

• jms-aws-sqs

  CREATED src/main/java/com/example/cloudawsmessaging/consumer/MessageListener.java

  public interface MessageListener {
    void queueListener(String String);
  }

  CREATED src/main/java/com/example/cloudawsmessaging/consumer/EntryPointMessage.java

   public class EntryPointMessage implements MessageListener {
  
     private static final Logger log = LogManager.getLogger(EntryPointMessage.class);
  
     @Override
     @SqsListener(value = "${cloud.aws.sqs.queue-name}", deletionPolicy = SqsMessageDeletionPolicy.ON_SUCCESS)
     public void queueListener(String String) {
  
     }
   }

  CREATED src/main/java/com/example/cloudawsmessaging/consumer/ProducerMessage.java

   @Component
   public class ProducerMessage {
  
       @Value("${cloud.aws.sqs.queue-name}")
       private String queueName;
  
       private QueueMessagingTemplate queueMessagingTemplate;
  
       @Autowired
       public ProducerMessage(AmazonSQSAsync amazonSqs) {
          this.queueMessagingTemplate = new QueueMessagingTemplate(amazonSqs);
       }
  
       public void sendMessage() {
          this.queueMessagingTemplate.convertAndSend(queueName, "YOUR_MESSAGE_OBJECT", getHeader());
       }
  
       private Map<String, Object> getHeader() {
          Map<String, Object> headers = new HashMap<>();
          headers.put(SqsMessageHeaders.SQS_GROUP_ID_HEADER, UUID.randomUUID().toString());
          headers.put(SqsMessageHeaders.SQS_DEDUPLICATION_ID_HEADER, UUID.randomUUID().toString());
          headers.put(SqsMessageHeaders.CONTENT_TYPE, "application/json");
          return headers;
       }
    }

  Add dependencies in pom.xml

   <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-aws-messaging</artifactId>
      <version>2.1.1.RELEASE</version>
   </dependency>
   <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-aws</artifactId>
      <version>2.1.1.RELEASE</version>
   </dependency>

  Add properties in application.properties

  cloud.aws.credentials.accessKey=xxxxxx
  cloud.aws.credentials.secretKey=xxxxxx
  cloud.aws.region.static=us-east-1
  cloud.aws.stack.auto=false
  cloud.aws.sqs.queue-name=my-queue.fifo
  

• openj9

  CREATED openj9-template-sample\deploy\Dockerfile

  FROM adoptopenjdk/openjdk8-openj9
  
  RUN mkdir /opt/shareclasses
  RUN mkdir /opt/app
  
  ADD ../target/*.jar /opt/app.jar
  
  EXPOSE 8080
  
  CMD ["java", "-Xmx512m", "-XX:+IdleTuningGcOnIdle", "-Xtune:virtualized", "-Xscmx512m", "-Xscmaxaot100m", "- 
                  Xshareclasses:cacheDir=/opt/shareclasses", "-jar", "/opt/app.jar"]
  
  

  Add maven plugin in pom.xml

  <plugin>
      <groupId>org.apache.maven.plugins</groupId>
      <artifactId>maven-shade-plugin</artifactId>
      <version>2.4.3</version>
      <dependencies
          <dependency>
              <groupId>org.springframework.boot</groupId>
              <artifactId>spring-boot-maven-plugin</artifactId>
              <version>2.1.5.RELEASE</version>
          </dependency>
       </dependencies>
       <executions>
          <execution>
              <phase>package</phase>
              <goals>
                  <goal>shade</goal>
              </goals>
              <configuration>
                  <transformers>
                      <transformer
                                  implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer">
                                  <resource>META-INF/spring.handlers</resource>
                      </transformer>
                      <transformer
                                  implementation="org.springframework.boot.maven.PropertiesMergingResourceTransformer">
                                  <resource>META-INF/spring.factories</resource>
                      </transformer>
                      <transformer
                                  implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer">
                                  <resource>META-INF/spring.schemas</resource>
                      </transformer>
                      <transformer
                                  implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
                      <transformer
                                  implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                                  <mainClass>com.example.cloudawsmessaging.DemoApplication</mainClass>
                      </transformer>
                  </transformers>
               </configuration>
           </execution>
      </executions>
      <configuration>
           <createDependencyReducedPom>false</createDependencyReducedPom>
      </configuration>
   </plugin>