Receive messages in Spring Cloud Stream applications

Use a Spring Cloud Stream input binder to receive messages from Pub/Sub.

Code sample

Java

Before trying this sample, follow the Java setup instructions in the Pub/Sub quickstart using client libraries. For more information, see the Pub/Sub Java API reference documentation.

To authenticate to Pub/Sub, set up Application Default Credentials. For more information, see Set up authentication for a local development environment. 

// Create an input binder to receive messages from `topic-two` using a Consumer bean.
@Bean
public Consumer<Message<String>> receiveMessageFromTopicTwo() {
  return message -> {
    LOGGER.info(
        "Message arrived via an input binder from topic-two! Payload: " + message.getPayload());
  };
}

What's next

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