juplo.de Git - demos/kafka/wordcount/blob - src/main/java/de/juplo/kafka/wordcount/recorder/RecorderApplication.java

   1 package de.juplo.kafka.wordcount.recorder;
   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.kafka.support.serializer.JsonSerializer;
  11 import org.springframework.util.Assert;
  12
  13 import java.util.Properties;
  14
  15
  16 @SpringBootApplication
  17 @EnableConfigurationProperties(RecorderApplicationProperties.class)
  18 public class RecorderApplication
  19 {
  20         @Bean(destroyMethod = "close")
  21         KafkaProducer<String, Recording> producer(RecorderApplicationProperties properties)
  22         {
  23                 Assert.hasText(properties.getBootstrapServer(), "juplo.wordcount.recorder.bootstrap-server must be set");
  24
  25                 Properties props = new Properties();
  26                 props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, properties.getBootstrapServer());
  27                 props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, StringSerializer.class);
  28                 props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, JsonSerializer.class);
  29                 props.put(JsonSerializer.ADD_TYPE_INFO_HEADERS, false);
  30
  31                 return new KafkaProducer<>(props);
  32         }
  33
  34         public static void main(String[] args)
  35         {
  36                 SpringApplication.run(RecorderApplication.class, args);
  37         }
  38 }