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Posted to dev@tika.apache.org by "Nick Burch (JIRA)" <ji...@apache.org> on 2010/08/25 12:33:17 UTC
[jira] Commented: (TIKA-486) ContainerAwareDetector doesn't support
non-MSOffice files which use the same magic
[ https://issues.apache.org/jira/browse/TIKA-486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12902369#action_12902369 ]
Nick Burch commented on TIKA-486:
---------------------------------
Thanks for the patch and the files, it's true we hadn't considered non-microsoft OLE2 files
The patch might want a few little tweaks to comments and if statement ordering to make it clearer what's going on, but the basic logic looks sound. I'll apply it with some tweaks in a few days, assuming no-one beats me to it!
> ContainerAwareDetector doesn't support non-MSOffice files which use the same magic
> ----------------------------------------------------------------------------------
>
> Key: TIKA-486
> URL: https://issues.apache.org/jira/browse/TIKA-486
> Project: Tika
> Issue Type: Improvement
> Reporter: Antoni Mylka
> Attachments: test-documents.zip, tika-non-office-files-with-office-magic.patch
>
>
> There are many applications which use the MSOffice magic number. I know of Corel Presentations X3, Corel Quattro Pro 7 and X3 and Microsoft Works Word Processor. They have their own mime types.
> They aren't properly supported by POI though which means that if the ContentAwareDetector finds such a file, it will resort to the POIFSContainerDetector and return the basic application/x-tika-msoffice file type because POI won't be able to say anything more specific. This will happen even in situations when the fallback detector might come up with a better answer.
> That's why IMHO the fallback detector should be used if the POIFSContainerDetector returns x-tika-msoffice. If the fallback detector comes up with a more specific type - the more specific one should be used.
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