juplo.de Git - demos/kafka/wordcount/blob - src/main/java/de/juplo/kafka/wordcount/users/UsersApplication.java

   1 package de.juplo.kafka.wordcount.users;
   2
   3 import org.apache.kafka.clients.producer.KafkaProducer;
   4 import org.apache.kafka.clients.producer.ProducerConfig;
   5 import org.apache.kafka.common.serialization.StringSerializer;
   6 import org.springframework.boot.SpringApplication;
   7 import org.springframework.boot.autoconfigure.SpringBootApplication;
   8 import org.springframework.boot.context.properties.EnableConfigurationProperties;
   9 import org.springframework.context.annotation.Bean;
  10 import org.springframework.util.Assert;
  11
  12 import java.util.Properties;
  13
  14
  15 @SpringBootApplication
  16 @EnableConfigurationProperties(UsersApplicationProperties.class)
  17 public class UsersApplication
  18 {
  19         @Bean(destroyMethod = "close")
  20         KafkaProducer<String, String> producer(UsersApplicationProperties properties)
  21         {
  22                 Assert.hasText(properties.getBootstrapServer(), "juplo.wordcount.recorder.bootstrap-server must be set");
  23
  24                 Properties props = new Properties();
  25                 props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, properties.getBootstrapServer());
  26                 props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, StringSerializer.class);
  27                 props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, StringSerializer.class);
  28
  29                 return new KafkaProducer<>(props);
  30         }
  31
  32         public static void main(String[] args)
  33         {
  34                 SpringApplication.run(UsersApplication.class, args);
  35         }
  36 }