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From "Henning Gross (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TIKA-573) MimeType.getExtension()
Date Wed, 18 May 2011 16:03:47 GMT

    [ https://issues.apache.org/jira/browse/TIKA-573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13035463#comment-13035463
] 

Henning Gross commented on TIKA-573:
------------------------------------

Well the consumer is a portlet which allows uploads of files by clients. All we get is a CommonsMultiPartFile
-instance containing a stream which gets evaluated by our component which uses tika to get
the Mime-Type and check if this mime type is allowed. We also have the OriginalFileName-field.
Now we know that we have a file with a valid mime type and ANY extension. Next the portlet
shall check if the original file has an extension which matches the mime type. For this purpose
we need ALL extensions known to be related to the mime type.

> MimeType.getExtension()
> -----------------------
>
>                 Key: TIKA-573
>                 URL: https://issues.apache.org/jira/browse/TIKA-573
>             Project: Tika
>          Issue Type: Improvement
>          Components: mime
>            Reporter: Maxim Valyanskiy
>             Fix For: 0.9
>
>         Attachments: 0001-TIKA-573-add-MimeType.getExtension.patch, TIKA-573.patch
>
>
> This patch adds getExtension() method to MimeType and support for reading mime-types
from mime.types format.
> I added mime.types file from Fedora Linux, license says that it is public domain file:
> ===
> Red Hat disclaims any copyright on the "mailcap" and "mime-types" files and places them
in the public domain. You are 
> free to do whatever you wish with these files.
> The mailcap.4 man page is under an MIT license:
> Copyright (c) 1991 Bell Communications Research, Inc. (Bellcore)
> Permission to use, copy, modify, and distribute this material
> for any purpose and without fee is hereby granted, provided
> that the above copyright notice and this permission notice
> appear in all copies, and that the name of Bellcore not be
> used in advertising or publicity pertaining to this
> material without the specific, prior written permission
> of an authorized representative of Bellcore.  BELLCORE
> MAKES NO REPRESENTATIONS ABOUT THE ACCURACY OR SUITABILITY
> OF THIS MATERIAL FOR ANY PURPOSE.  IT IS PROVIDED "AS IS",
> WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES.
> Tom Callaway, Fedora Legal, Red Hat
> Thu Sep 17, 2009
> ===
> (we do not need man page, only mime.types file)
> getExtension() method can be used for creating friendly filename for OLE-embedded files,
streams and other cases when name is not known

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