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https://issues.apache.org/jira/browse/TIKA-95?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jukka Zitting resolved TIKA-95.
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Resolution: Duplicate
Assignee: Jukka Zitting
This got implemented as a part of TIKA-447, so resolving as a duplicate.
> Pluggable magic header detectors
> --------------------------------
>
> Key: TIKA-95
> URL: https://issues.apache.org/jira/browse/TIKA-95
> Project: Tika
> Issue Type: New Feature
> Components: mime
> Reporter: Jukka Zitting
> Assignee: Jukka Zitting
> Priority: Minor
>
> Some file formats like MS Office files or specific XML schemas don't have
> simple magic marker bytes that could be used to easily identify the type of
> the document. However, it would in many cases be possible to detect such
> formats with more complex parsing logic.
> Also, there are some external libraries (like Sanselan as mentioned in
> TIKA-92) that contain their own magic header rules. Instead of duplicating
> such rules in Tika, it would be better if Tika could just invoke the existing
> external functionality.
> To support these cases Tika should provide a mechanism to plug in custom
> magic header detector components in addition to the traditional configured
> magic patterns.
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