[jira] [Created] (TIKA-2658) Add magic numbers of Olympus ORF Files

["Selim Dincer (JIRA)" <ji...@apache.org>]

Selim Dincer created TIKA-2658:
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             Summary: Add magic numbers of Olympus ORF Files
                 Key: TIKA-2658
                 URL: https://issues.apache.org/jira/browse/TIKA-2658
             Project: Tika
          Issue Type: Improvement
          Components: detector
    Affects Versions: 1.18
            Reporter: Selim Dincer


For Olympus Raw Files (.ORF) there aren't any magic numbers specified in the tika-mimetypes.xml file. When I adjust the xml to look like following it works:
{code:java}
<mime-type type="image/x-raw-olympus">
  <_comment>Olympus raw image</_comment>
  <magic priority="50">
    <match offset="0" type="string" value="\x49\x49\x52\x4F"/>
  </magic>
  <glob pattern="*.orf"/>
</mime-type>
{code}
I tested this with files from my Olympus E-PL7, my Olympus E-M5 and some Olympus E-M1 Mark II raw files I found on the internet (the most recent camera). The content type changes from octet stream to image/x-raw-olympus as expected.



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