X-Git-Url: http://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FApplicationConfiguration.java;h=b5f6187c82f70f0c5dfecb40845fa60fc6846ffe;hb=66ff7d205e66616de8aaca94503dbbcd7d281f6d;hp=175574783b5673e72e10ecf587c30f782858e84e;hpb=0c9a0c1cf9a0065012743efcd940d8721bc33c20;p=demos%2Fkafka%2Ftraining

diff --git a/src/main/java/de/juplo/kafka/ApplicationConfiguration.java b/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
index 1755747..b5f6187 100644
--- a/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
+++ b/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
@@ -1,13 +1,25 @@
 package de.juplo.kafka;
 
+import org.apache.kafka.common.serialization.ByteArraySerializer;
+import org.apache.kafka.common.serialization.StringSerializer;
 import org.springframework.boot.autoconfigure.kafka.KafkaProperties;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
+import java.util.Map;
 import java.util.Optional;
 
 import org.springframework.kafka.config.KafkaListenerEndpointRegistry;
+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;
 
 
 @Configuration
@@ -46,16 +58,9 @@ public class ApplicationConfiguration
         kafkaProperties.getClientId());
   }
 
-  @Bean
-  public ApplicationErrorHandler applicationErrorHandler()
-  {
-    return new ApplicationErrorHandler();
-  }
-
   @Bean
   public EndlessConsumer endlessConsumer(
       RecordHandler recordHandler,
-      ApplicationErrorHandler errorHandler,
       KafkaProperties kafkaProperties,
       KafkaListenerEndpointRegistry endpointRegistry)
   {
@@ -63,7 +68,43 @@ public class ApplicationConfiguration
         new EndlessConsumer(
             kafkaProperties.getClientId(),
             endpointRegistry,
-            errorHandler,
             recordHandler);
   }
+
+  @Bean
+  public ProducerFactory<String, Object> producerFactory(
+      KafkaProperties properties)
+  {
+    return new DefaultKafkaProducerFactory<>(
+        properties.getProducer().buildProperties(),
+        new StringSerializer(),
+        new DelegatingByTypeSerializer(
+            Map.of(
+                byte[].class, new ByteArraySerializer(),
+                MessageAddNumber.class, new JsonSerializer<>(),
+                MessageCalculateSum.class, new JsonSerializer<>())));
+  }
+
+  @Bean
+  public KafkaTemplate<String, Object> kafkaTemplate(
+      ProducerFactory<String, Object> producerFactory)
+  {
+    return new KafkaTemplate<>(producerFactory);
+  }
+
+  @Bean
+  public DeadLetterPublishingRecoverer deadLetterPublishingRecoverer(
+      KafkaOperations<?, ?> kafkaTemplate)
+  {
+    return new DeadLetterPublishingRecoverer(kafkaTemplate);
+  }
+
+  @Bean
+  public DefaultErrorHandler errorHandler(
+      DeadLetterPublishingRecoverer recoverer)
+  {
+    return new DefaultErrorHandler(
+        recoverer,
+        new FixedBackOff(0l, 0l));
+  }
 }