HtmlParser & TXTParser should not use language returned by CharsetDetector if
language hint has been provided
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Key: TIKA-339
URL: https://issues.apache.org/jira/browse/TIKA-339
Project: Tika
Issue Type: Bug
Affects Versions: 0.6
Reporter: Ken Krugler
Priority: Minor
Fix For: 0.6
Currently the code used to call CharsetDetector in both TXTParser and
HtmlParser is that any incoming language in the metadata map gets replaced if
the detector returns a language.
Given the low reliability of this language result, it should only be used in
cases where there is no provided language, as typically this is coming in from
either the Http response header or (for the HtmlParser) a meta tag or some
other tag attribute. In all those cases, the incoming language is more accurate
than the guess by the CharsetDetector.
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