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https://issues.apache.org/jira/browse/NUTCH-1838?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Markus Jelsma updated NUTCH-1838:
---------------------------------
Attachment: NUTCH-1838.patch
Updated patch contains unit test proving it works and doesn't break anything
existing.
> Host and domain based regex and automaton filtering
> ---------------------------------------------------
>
> Key: NUTCH-1838
> URL: https://issues.apache.org/jira/browse/NUTCH-1838
> Project: Nutch
> Issue Type: New Feature
> Reporter: Markus Jelsma
> Assignee: Markus Jelsma
> Attachments: NUTCH-1838.patch, NUTCH-1838.patch, NUTCH-1838.patch,
> NUTCH-1838.patch, NUTCH-1838.patch, NUTCH-1838.patch, NUTCH-1838.patch
>
>
> Both regex and automaton filter pass all URL's through all rules although
> this makes little sense if you have a lot of generated rules for many
> different hosts or domains. This patch allows the users to configure specific
> rules for a specific host or domain only, making filtering much more
> efficient.
> Each rule has an optional hostOrDomain field, the filter is applied for rules
> that have no hostOrDomain and for URL's that match the rule's host name and
> domain name.
> The following line enables hostOrDomain specific rules:
> {code}
> > www.example.org
> {code}
> The following line disables/resets it again:
> {code}
> <
> {code}
> full example:
> {code}
> -some generic filter
> +another generic filter
> > www.example.org
> -rule only applied to URL's of www.example.org
> +another rule only applied to URL's of www.example.org
> > apache.org
> -rule only applied to URL's of apache.org
> +another rule only applied to URL's of apache.org
> <
> -more generic rules
> +and another one
> {code}
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