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https://issues.apache.org/jira/browse/TIKA-1573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14356864#comment-14356864
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Pavel Micka commented on TIKA-1573:
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Hi, because my restriction is all "binary mimetypes" (remove all text/*). This
would make maintanance of my program harder, as I would need to check the
definitions the list each time I increase the tika version. Also the file is
embedded in tika.jar and the filename is hardcoded to MimeTypes.java...
> Not possible to restrict default mime types
> -------------------------------------------
>
> Key: TIKA-1573
> URL: https://issues.apache.org/jira/browse/TIKA-1573
> Project: Tika
> Issue Type: Improvement
> Reporter: Pavel Micka
> Priority: Minor
> Labels: performance
>
> I am facing the following problem. I am using MagicNumber detector, but the
> detection is slow for my purposes, so I have decided to limit the number of
> detected types. However this is not easily possible as:
> * Mimetypes does not have any remove method.
> * getDefaultMimeTypes method by default load the full set
> * MimeTypes constructor does not accept parameters (mimes with magics)
> * method add is package friendly (so one must construct the wrapper in the
> same package, which is awkward)
> * MimeTypes class is final, so it does not allow to subclass it a improve
> the implementation in object oriented way
> My workaround was to force the expected implementation (public add) with
> reflection:
> Method addMethod =
> decrMimeTypes.getClass().getDeclaredMethod("add", MimeType.class);
> addMethod.setAccessible(true);
> addMethod.invoke(myMimeTypes,
> defaultMimeTypes.getRegisteredMimeType(m.toString()));
> I can imagine that the current implementation is done this way to be
> immutable, but this can also achieved with parametrized constructor (point 3)
> with no effect on immutability of the class. Or with explicit flag (set by
> method call) that would disallow any further object modifications.
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