X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FApplication.java;h=0360f68228039aee23adef6ec228c374b188705e;hb=refs%2Ftags%2Fspring-consumer--json--adder--kafkalistener--dlt---lvm-2-tage--easy-path;hp=f26d7a20538517b68bda028890af513406d5966a;hpb=2ed4e6d438d33a6669eb20526665acdc8fb62d21;p=demos%2Fkafka%2Ftraining diff --git a/src/main/java/de/juplo/kafka/Application.java b/src/main/java/de/juplo/kafka/Application.java index f26d7a2..0360f68 100644 --- a/src/main/java/de/juplo/kafka/Application.java +++ b/src/main/java/de/juplo/kafka/Application.java @@ -1,20 +1,53 @@ package de.juplo.kafka; +import org.apache.kafka.clients.producer.ProducerConfig; +import org.apache.kafka.common.serialization.ByteArraySerializer; +import org.apache.kafka.common.serialization.StringSerializer; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.boot.autoconfigure.kafka.KafkaProperties; import org.springframework.boot.context.properties.EnableConfigurationProperties; import org.springframework.context.annotation.Bean; +import org.springframework.kafka.core.DefaultKafkaProducerFactory; import org.springframework.kafka.core.KafkaOperations; +import org.springframework.kafka.core.KafkaTemplate; +import org.springframework.kafka.core.ProducerFactory; import org.springframework.kafka.listener.DeadLetterPublishingRecoverer; import org.springframework.kafka.listener.DefaultErrorHandler; +import org.springframework.kafka.support.serializer.DelegatingByTypeSerializer; +import org.springframework.kafka.support.serializer.JsonSerializer; import org.springframework.util.backoff.FixedBackOff; +import java.util.Map; + @SpringBootApplication @EnableConfigurationProperties({ KafkaProperties.class, ApplicationProperties.class }) public class Application { + @Bean + public ProducerFactory producerFactory( + KafkaProperties properties) + { + Map map = Map.of( + ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, properties.getBootstrapServers()); + return new DefaultKafkaProducerFactory<>( + map, + new StringSerializer(), + new DelegatingByTypeSerializer( + Map.of( + byte[].class, new ByteArraySerializer(), + MessageAddNumber.class, new JsonSerializer<>(), + MessageCalculateSum.class, new JsonSerializer<>()))); + } + + @Bean + public KafkaTemplate kafkaTemplate( + ProducerFactory producerFactory) + { + return new KafkaTemplate<>(producerFactory); + } + @Bean public DeadLetterPublishingRecoverer deadLetterPublishingRecoverer( KafkaOperations kafkaTemplate)