X-Git-Url: http://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FRestProducer.java;h=bccc166de968854dce7dd44aa52f16553be844dd;hb=6ca7376ef5307be0f838401ea996fa8912c6f10b;hp=dea49f0c1ba2982a4bc74d2305ae60163d7b3a8d;hpb=6aa275cf310f594d3f86620fb9200591ebe11c75;p=demos%2Fkafka%2Ftraining

diff --git a/src/main/java/de/juplo/kafka/RestProducer.java b/src/main/java/de/juplo/kafka/RestProducer.java
index dea49f0..bccc166 100644
--- a/src/main/java/de/juplo/kafka/RestProducer.java
+++ b/src/main/java/de/juplo/kafka/RestProducer.java
@@ -4,14 +4,14 @@ import lombok.extern.slf4j.Slf4j;
 import org.apache.kafka.clients.producer.KafkaProducer;
 import org.apache.kafka.clients.producer.ProducerRecord;
 import org.apache.kafka.common.serialization.StringSerializer;
-import org.springframework.http.MediaType;
+import org.springframework.http.HttpStatus;
+import org.springframework.kafka.support.serializer.JsonSerializer;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.context.request.async.DeferredResult;
 
 import javax.annotation.PreDestroy;
 import java.util.Properties;
 import java.util.concurrent.ExecutionException;
-import java.util.concurrent.ExecutorService;
 
 
 @Slf4j
@@ -20,7 +20,7 @@ public class RestProducer
 {
   private final String id;
   private final String topic;
-  private final KafkaProducer<String, String> producer;
+  private final KafkaProducer<String, ClientMessage> producer;
 
   private long produced = 0;
 
@@ -39,7 +39,8 @@ public class RestProducer
     props.put("linger.ms", properties.getLingerMs());
     props.put("compression.type", properties.getCompressionType());
     props.put("key.serializer", StringSerializer.class.getName());
-    props.put("value.serializer", StringSerializer.class.getName());
+    props.put("value.serializer", JsonSerializer.class.getName());
+    props.put(JsonSerializer.TYPE_MAPPINGS, "message:" + ClientMessage.class.getName());
 
     this.producer = new KafkaProducer<>(props);
   }
@@ -53,10 +54,10 @@ public class RestProducer
 
     final long time = System.currentTimeMillis();
 
-    final ProducerRecord<String, String> record = new ProducerRecord<>(
+    final ProducerRecord<String, ClientMessage> record = new ProducerRecord<>(
         topic,  // Topic
         key,    // Key
-        value   // Value
+        new ClientMessage(key, value) // Value
     );
 
     producer.send(record, (metadata, e) ->
@@ -105,6 +106,13 @@ public class RestProducer
     return result;
   }
 
+  @ExceptionHandler
+  @ResponseStatus(HttpStatus.BAD_REQUEST)
+  public ErrorResponse illegalStateException(IllegalStateException e)
+  {
+    return new ErrorResponse(e.getMessage(), HttpStatus.BAD_REQUEST.value());
+  }
+
   @PreDestroy
   public void destroy() throws ExecutionException, InterruptedException
   {