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From "Ray Gauss II (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TIKA-774) ExifTool Parser
Date Mon, 16 Jan 2012 18:35:40 GMT

    [ https://issues.apache.org/jira/browse/TIKA-774?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13187062#comment-13187062

Ray Gauss II commented on TIKA-774:

I've refactored much of this and will be splitting some of it out to submit as separate, smaller
> ExifTool Parser
> ---------------
>                 Key: TIKA-774
>                 URL: https://issues.apache.org/jira/browse/TIKA-774
>             Project: Tika
>          Issue Type: New Feature
>          Components: parser
>    Affects Versions: 1.0
>         Environment: Requires be installed (http://www.sno.phy.queensu.ca/~phil/exiftool/)
>            Reporter: Ray Gauss II
>              Labels: features, newbie, patch,
>             Fix For: 1.1
>         Attachments: testJPEG_IPTC_EXT.jpg, tika-core-exiftool-parser-patch.txt, tika-parsers-exiftool-parser-patch.txt
> Adds an external parser that calls ExifTool to extract extended metadata fields from
images and other content types.
> In the core project:
> An ExifTool interface is added which contains Property objects that define the metadata
fields available.
> An additional Property constructor for internalTextBag type.
> In the parsers project:
> An ExiftoolMetadataExtractor is added which does the work of calling ExifTool on the
command line and mapping the response to tika metadata fields.  This extractor could be called
instead of or in addition to the existing ImageMetadataExtractor and JempboxExtractor under
TiffParser and/or JpegParser but those have not been changed at this time.
> An ExiftoolParser is added which calls only the ExiftoolMetadataExtractor.
> An ExiftoolTikaMapper is added which is responsible for mapping the ExifTool metadata
fields to existing tika and Drew Noakes metadata fields if enabled.
> An ElementRdfBagMetadataHandler is added for extracting multi-valued RDF Bag implementations
in XML files.
> An ExifToolParserTest is added which tests several expected XMP and IPTC metadata values
in testJPEG_IPTC_EXT.jpg.

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