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From "Ray Gauss II (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (TIKA-774) ExifTool Parser
Date Sun, 06 Nov 2011 19:07:52 GMT
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
             Fix For: 1.0


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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