Github user trixpan commented on a diff in the pull request:
https://github.com/apache/nifi/pull/1462#discussion_r99038757
--- Diff:
nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/GetHTTP.java
---
@@ -467,6 +486,18 @@ public void onTrigger(final ProcessContext context,
final ProcessSessionFactory
if (accept != null) {
get.addHeader(HEADER_ACCEPT, accept);
}
+
+ // Add dynamic headers
+
+ PropertyValue customHeaderValue;
+ for (PropertyDescriptor customProperty : customHeaders) {
+ customHeaderValue =
context.getProperty(customProperty).evaluateAttributeExpressions();
+ if (StringUtils.isNotBlank(customHeaderValue.getValue())) {
--- End diff --
I was working under two assumptions:
* onScheduled is called once per scheduling;
* in theory use time related expression language even if incoming flowfiles
were to be absent
Does it make sense?
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