Amazon MSK examples using SDK for Java 2.x
The following code examples show you how to perform actions and implement common scenarios by using the AWS SDK for Java 2.x with Amazon MSK.
Each example includes a link to the complete source code, where you can find instructions on how to set up and run the code in context.
Topics
Serverless examples
The following code example shows how to implement a Lambda function that receives an event triggered by receiving records from an Amazon MSK cluster. The function retrieves the MSK payload and logs the record contents.
- SDK for Java 2.x
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Note
There's more on GitHub. Find the complete example and learn how to set up and run in the Serverless examples
repository. Consuming an Amazon MSK event with Lambda using Java.
import com.amazonaws.services.lambda.runtime.Context; import com.amazonaws.services.lambda.runtime.RequestHandler; import com.amazonaws.services.lambda.runtime.events.KafkaEvent; import com.amazonaws.services.lambda.runtime.events.KafkaEvent.KafkaEventRecord; import java.util.Base64; import java.util.Map; public class Example implements RequestHandler<KafkaEvent, Void> { @Override public Void handleRequest(KafkaEvent event, Context context) { for (Map.Entry<String, java.util.List<KafkaEventRecord>> entry : event.getRecords().entrySet()) { String key = entry.getKey(); System.out.println("Key: " + key); for (KafkaEventRecord record : entry.getValue()) { System.out.println("Record: " + record); byte[] value = Base64.getDecoder().decode(record.getValue()); String message = new String(value); System.out.println("Message: " + message); } } return null; } }
