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Date: Thu, 2 Feb 2017 01:42:51 +0000 (UTC)
From: "ASF GitHub Bot (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (NIFI-819) Allow specification of headers for
 GetHTTP
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archived-at: Thu, 02 Feb 2017 01:43:00 -0000


    [ https://issues.apache.org/jira/browse/NIFI-819?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15849256#comment-15849256 ] 

ASF GitHub Bot commented on NIFI-819:
-------------------------------------

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?


> Allow specification of headers for GetHTTP
> ------------------------------------------
>
>                 Key: NIFI-819
>                 URL: https://issues.apache.org/jira/browse/NIFI-819
>             Project: Apache NiFi
>          Issue Type: Improvement
>          Components: Extensions
>    Affects Versions: 0.2.1
>            Reporter: Aldrin Piri
>            Assignee: Andre
>            Priority: Minor
>             Fix For: 1.2.0
>
>
> There is currently no way to provide additional headers for requests through GetHTTP.  Some endpoints may require a token or other information to access information.  Currently, it is possible to work around this with an InvokeHttp driven by a dummy file, but interpretation of dynamic properties added as additional headers would provide a better option.


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