[GitHub] nifi pull request #3020: NIFI-5625: support the variables for the properties...

[alopresto]

Github user alopresto commented on a diff in the pull request:

    https://github.com/apache/nifi/pull/3020#discussion_r219714056
  
    --- Diff: 
nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/PostHTTP.java
 ---
    @@ -726,7 +737,7 @@ public long getContentLength() {
                 contentType = StringUtils.isBlank(contentTypeValue) ? 
DEFAULT_CONTENT_TYPE : contentTypeValue;
             }
     
    -        final String attributeHeaderRegex = 
context.getProperty(ATTRIBUTES_AS_HEADERS_REGEX).getValue();
    +        final String attributeHeaderRegex = 
context.getProperty(ATTRIBUTES_AS_HEADERS_REGEX).evaluateAttributeExpressions().getValue();
    --- End diff --
    
    See comment about `attributeHeaderRegex` above. 


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