Parse-metatags plugin
---------------------
Key: NUTCH-809
URL: https://issues.apache.org/jira/browse/NUTCH-809
Project: Nutch
Issue Type: New Feature
Components: parser
Reporter: Julien Nioche
Assignee: Julien Nioche
Attachments: NUTCH-809.patch
h2. Parse-metatags plugin
*NOTE: THIS PLUGIN DOES NOT WORK WITH THE CURRENT VERSION OF PARSE-TIKA (see
[TIKA-379]).*
To use the legacy HTML parser specify in parse-plugins.xml
{code:xml}
<mimeType name="text/html">
<plugin id="parse-html" />
</mimeType>
{code}
The parse-metatags plugin consists of a HTMLParserFilter which takes as
parameter a list of metatag names with '*' as default value. The values are
separated by ';'.
In order to extract the values of the metatags description and keywords, you
must specify in nutch-site.xml
{code:xml}
<property>
<name>metatags.names</name>
<value>description;keywords</value>
</property>
{code}
The MetatagIndexer uses the output of the parsing above to create two fields
'keywords' and 'description'. Note that keywords is multivalued.
The MetaTagsQueryFilter allows to include the fields above in the Nutch queries.
This code has been developed by DigitalPebble Ltd and offered to the community
by ANT.com
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