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https://issues.apache.org/jira/browse/NIFI-353?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14352473#comment-14352473
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ASF subversion and git services commented on NIFI-353:
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Commit ee28e9de729dad477cc97b46d9a5e9cd9ef84609 in incubator-nifi's branch
refs/heads/NIFI-353 from [~mcgilman]
[ https://git-wip-us.apache.org/repos/asf?p=incubator-nifi.git;h=ee28e9d ]
NIFI-353:
- Replacing dependency on tika parsers with icu4j.
> Create a Data Viewer
> --------------------
>
> Key: NIFI-353
> URL: https://issues.apache.org/jira/browse/NIFI-353
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Core UI
> Reporter: Matt Gilman
> Assignee: Matt Gilman
>
> For use in property:
> {code}nifi.content.viewer.url{code}
> The content viewer will be extensible in that the supported mime types will
> be discovered at runtime. We will be taking an approach similar to Java SPI.
> During startup all war files will be inspected looking for a
> META-INF/nifi-data-viewer file. This file will contain the mime types that it
> can render (1 per line). Duplicate viewers will be logged and either the
> first or the last will be utilized.
> Currently, the content viewer is applicable for viewing archived data through
> the provenance UI. This will likely be expanded to integrate with other parts
> of the application where applicable (viewing content in queues, etc). When
> viewing the data, the content viewer controller will get the data stream and
> detect its type (Apache Tika, known mime type, file extension, etc). Will
> likely need to add support for decompressing/unpacking. Once the underlying
> type is known and is supported, the content viewer controller will generate
> the webpage and defer to the discovered web application to generate the mark
> up for the data (via RequestDispatcher.include). This means that the
> discovered web application does not need to generate any boilerplate HTML and
> all types of content will be viewed in a similar UI.
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