Gerard Bouchar created TIKA-2652:
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Summary: HtmlParser generates incorrect meta tags
Key: TIKA-2652
URL: https://issues.apache.org/jira/browse/TIKA-2652
Project: Tika
Issue Type: Bug
Reporter: Gerard Bouchar
Whatever the input HTML meta are, tika's HTML meta can only have a "name" and a
"content" attribute. This gives invalid HTML meta tags in the output.
For instance, the following valid HTML file
{code:html}
<!DOCTYPE html>
<html lang="en">
<head>
<title>Title</title>
<meta http-equiv="refresh" content="0; url=http://example.com";>
</head>
<body></body>
</html>
{code}
is transformed into a SAX stream corresponding to the following HTML :
{code:html}
<html xmlns="http://www.w3.org/1999/xhtml";>
<head>
<meta name="dc:title" content="Title"/>
<meta name="Content-Encoding" content="ISO-8859-1"/>
<meta name="refresh" content="0; url=http://example.com"/>
<meta name="Content-Type" content="text/html; charset=ISO-8859-1"/>
<title>Title</title>
</head>
<body/></html>
{code}
The information that the original file had an "http-equiv" meta tag is lost,
and replaced by a generic "meta name=" tag.
This is annoying when working with classes expecting valid meta redirection,
such as Nutch's
[HTMLMetaProcessot|https://github.com/apache/nutch/blob/master/src/plugin/parse-html/src/java/org/apache/nutch/parse/html/HTMLMetaProcessor.java],
for instance.
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