[jira] [Commented] (NIFI-10365) InvokeHTTP: support dynamic specification of "Request Header Attributes Pattern"

["Paul Grey (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NIFI-10365?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17580836#comment-17580836 ] 

Paul Grey commented on NIFI-10365:
----------------------------------

https://apachenifi.slack.com/archives/C0L9VCD47/p1660229343884179

> InvokeHTTP: support dynamic specification of "Request Header Attributes Pattern"
> --------------------------------------------------------------------------------
>
>                 Key: NIFI-10365
>                 URL: https://issues.apache.org/jira/browse/NIFI-10365
>             Project: Apache NiFi
>          Issue Type: Improvement
>            Reporter: Paul Grey
>            Priority: Minor
>
> The current implementation of processor `InvokeHTTP` supports specification of 
> flowfile attributes to send as HTTP headers via processor property `Request Header Attributes Pattern`.  This property is a regex, and is immutable while the processor is running.
> In some situations, it would be helpful to dynamically specify attributes to send as HTTP headers.  So some InvokeHTTP invocations would send HTTP headers A and B, while others would send headers B and C.
> One possible implementation would involve the interpretation of an incoming flowfile attribute value to serve the role currently filled by `Request Header Attributes Pattern`.



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