Überarbeitungen von Setup/Übung aus Branch 'rest-producer' gemerged

[demos/kafka/training] / src / main / java / de / juplo / kafka / RestProducer.java

diff --git a/src/main/java/de/juplo/kafka/RestProducer.java b/src/main/java/de/juplo/kafka/RestProducer.java
index ac9a541..b5bb2d9 100644 (file)
--- a/src/main/java/de/juplo/kafka/RestProducer.java
+++ b/src/main/java/de/juplo/kafka/RestProducer.java
@@ -4,6 +4,7 @@ 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.HttpStatus;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.context.request.async.DeferredResult;
 
@@ -47,6 +48,7 @@ public class RestProducer
   @PostMapping(path = "{key}")
   public DeferredResult<ProduceResult> send(
       @PathVariable String key,
+      @RequestHeader(name = "X-id", required = false) Long correlationId,
       @RequestBody String value)
   {
     DeferredResult<ProduceResult> result = new DeferredResult<>();
@@ -96,9 +98,8 @@ public class RestProducer
 
     long now = System.currentTimeMillis();
     log.trace(
-        "{} - Queued #{} key={} latency={}ms",
+        "{} - Queued message with key={} latency={}ms",
         id,
-        value,
         record.key(),
         now - time
     );
@@ -106,6 +107,13 @@ 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
   {