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GH-856 Fix logic in determining Cloud Event prefix

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Resolves #856
This commit is contained in:
Oleg Zhurakousky
2022-04-26 08:39:26 +02:00
parent 0659593cfe
commit 684942e680
1 changed files with 9 additions and 1 deletions
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10
spring-cloud-function-context/src/main/java/org/springframework/cloud/function/cloudevent/CloudEventsFunctionInvocationHelper.java
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@@ -96,7 +96,15 @@ public class CloudEventsFunctionInvocationHelper implements FunctionInvocationHe
if (this.messageConverter != null && CLOUD_EVENT_CLASS != null && CLOUD_EVENT_CLASS.isAssignableFrom(result.getClass())) { if (this.messageConverter != null && CLOUD_EVENT_CLASS != null && CLOUD_EVENT_CLASS.isAssignableFrom(result.getClass())) {
convertedResult = this.messageConverter.toMessage(result, input.getHeaders()); convertedResult = this.messageConverter.toMessage(result, input.getHeaders());
} }
String targetPrefix = CloudEventMessageUtils.determinePrefixToUse(input.getHeaders(), true);
String targetPrefix = CloudEventMessageUtils.DEFAULT_ATTR_PREFIX;
if (input != null) {
targetPrefix = CloudEventMessageUtils.determinePrefixToUse(input.getHeaders(), true);
}
else if (result instanceof Message) {
targetPrefix = CloudEventMessageUtils.determinePrefixToUse(((Message<?>) result).getHeaders(), true);
}
Assert.hasText(targetPrefix, "Unable to determine prefix for Cloud Event atttributes, " Assert.hasText(targetPrefix, "Unable to determine prefix for Cloud Event atttributes, "
+ "which they must have according to protocol specification. Consider adding 'target-protocol' " + "which they must have according to protocol specification. Consider adding 'target-protocol' "
+ "header with values of one of the supported protocols - [kafka, amqp, http]"); + "header with values of one of the supported protocols - [kafka, amqp, http]");