[jira] Commented: (SLING-1059) Mime Type Detection for WebDAV should use Apache Tika

["Jukka Zitting (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SLING-1059?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12760197#action_12760197 ] 

Jukka Zitting commented on SLING-1059:
--------------------------------------

Starting with the 0.4 version Tika has become more modularized, so you can get the type detection functionality and all the related default configuration from the reasonably sized tika-core component that has no external dependencies.

The latest Tika trunk also contains all the type information (both mime.types and magic) from the Apache HTTP Server.

I looked at the MimeTypeProvider interface in Sling. The getMimeType(String) method could be implemented with the latest Tika 0.5-SNAPSHOT like this:

    public String getMimeType(String name) {
        return new Tika().detect(name);
    }

The same functionality is available also in Tika 0.4, but with ten lines of code instead of one.

For deeper integration, see the Detector interface [1] that could be used as a MimeTypeProvider replacement to add features like content-based type detection.

Note that Tika does not come with a MimeTypeProvider.getExtension(String) feature, but I couldn't find any place in Sling (apart from test cases) where that functionality is actually being used.

[1] https://svn.apache.org/repos/asf/lucene/tika/trunk/tika-core/src/main/java/org/apache/tika/detect/Detector.java


> Mime Type Detection for WebDAV should use Apache Tika
> -----------------------------------------------------
>
>                 Key: SLING-1059
>                 URL: https://issues.apache.org/jira/browse/SLING-1059
>             Project: Sling
>          Issue Type: Improvement
>            Reporter: Lars Trieloff
>            Priority: Minor
>
> Sling's WebDAV servlet currently has its own Mime Type detection mechanism. Given that Tika is a dependency of the soon to be added Jackrabbit 2.0 we can re-use Tika's Mime Type detection mechanism for greater accuracy and a better maintained list of mimetype-extension-mappings.

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