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Restructure Cloud Events support to optionally support Cloud Events SDK

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This commit is contained in:
Oleg Zhurakousky
2020-11-30 15:54:50 +01:00
parent 70fbcec586
commit 306da4248a
17 changed files with 751 additions and 703 deletions
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16
spring-cloud-function-samples/function-sample-cloudevent/src/main/java/io/spring/cloudevent/CloudeventDemoApplication.java
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@@ -25,13 +25,13 @@ import java.util.function.Function;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.client.RestTemplateBuilder;
import org.springframework.cloud.function.cloudevent.CloudEventAttributesProvider;
import org.springframework.cloud.function.cloudevent.CloudEventHeaderEnricher;
import org.springframework.cloud.function.cloudevent.CloudEventMessageBuilder;
import org.springframework.cloud.function.cloudevent.CloudEventMessageUtils;
import org.springframework.cloud.function.web.util.HeaderUtils;
import org.springframework.context.annotation.Bean;
import org.springframework.http.RequestEntity;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageHeaders;
import org.springframework.messaging.support.MessageBuilder;
import org.springframework.util.Assert;
@@ -104,9 +104,9 @@ public class CloudeventDemoApplication {
}
@Bean
public CloudEventAttributesProvider cloudEventAttributesProvider() {
return attributes -> {
attributes.setSource("https://interface21.com/").setType("com.interface21");
public CloudEventHeaderEnricher cloudEventHeaderEnricher() {
return headers -> {
return headers.setSource("https://interface21.com/").setType("com.interface21");
};
}
@@ -129,11 +129,11 @@ public class CloudeventDemoApplication {
}
@Bean
public Consumer<Message<SpringReleaseEvent>> pojoConsumer(CloudEventAttributesProvider provider, RestTemplateBuilder builder) {
public Consumer<Message<SpringReleaseEvent>> pojoConsumer(CloudEventHeaderEnricher enricher, RestTemplateBuilder builder) {
return eventMessage -> {
Message<?> newMessage = enricher.enrich(CloudEventMessageBuilder.fromMessage(eventMessage)).build(CloudEventMessageUtils.HTTP_ATTR_PREFIX);
RequestEntity<SpringReleaseEvent> entity = RequestEntity.post(URI.create("http://foo.com"))
.headers(HeaderUtils.fromMessage(
new MessageHeaders(CloudEventMessageUtils.generateAttributes(eventMessage, provider))))
.headers(HeaderUtils.fromMessage(newMessage.getHeaders()))
.body(eventMessage.getPayload());
List<String> sourceHeader = entity.getHeaders().get("ce-source");
Assert.isTrue(sourceHeader.get(0).equals("https://interface21.com/"), "'source' must be https://interface21.com/");