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https://issues.apache.org/jira/browse/NIFI-446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14551582#comment-14551582
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Mark Payne commented on NIFI-446:
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[~bbende] The PropertyDescriptor supports both a "name" and a "displayName" for
exactly this purpose. The "name" of the PropertyDescriptor should not be
changed. It is in essence the identifier of the PropertyDescriptor. You can
just add a displayName by calling that method: .displayName("Header")
> MergeContent should provide "Strategy" property for specifying how Header,
> Footer, and Demarcator properties should be interpreted
> ----------------------------------------------------------------------------------------------------------------------------------
>
> Key: NIFI-446
> URL: https://issues.apache.org/jira/browse/NIFI-446
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Extensions
> Reporter: Mark Payne
> Assignee: Bryan Bende
> Priority: Minor
>
> The Header, Footer, and Demarcator currently must be specified as filenames.
> We should add a strategy to allow user to configure the values as filenames
> or just text to insert.
> We would have a property named "Delimiter Strategy" (or something better)
> that provides 2 allowable value: "Text" and "Filename".
> If filename, it should behave as it does now. If text, instead of
> interpreting the header, footer, and demarcator as filenames, the
> user-defined text should be used. This means we should change the "Display
> Name" of these properties from "Header File", "Footer File", and "Demarcator
> File" to simply "Header", "Footer", and "Demarcator", respectively.
> Also will need to implement customValidate, since the validation of these
> properties depends on the strategy.
> Also need to allow for the Expression Language to be used, if not filename.
> If filename, should not allow Expression Language.
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