Return RDFa meta tags via Metadata
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Key: TIKA-728
URL: https://issues.apache.org/jira/browse/TIKA-728
Project: Tika
Issue Type: Improvement
Reporter: Ken Krugler
Assignee: Ken Krugler
Priority: Minor
Open Graph <meta> tags currently get stripped out, and also aren't put into the
metadata map.
The reason why is that Open Graph uses RDFa:
http://stackoverflow.com/questions/2704942/html-validation-error-for-property-attribute/2705090#2705090
Since <meta property="xxx" content="yyy" /> isn't valid for XHTML 1.0, these
tags can't be emitted.
We could take a tag like:
<meta property="og:url" content="http://www.imdb.com/title/tt0117500/"; />
and put it into the metadata map as "og:url" =>
"http://www.imdb.com/title/tt0117500/";
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