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From "Markus Jelsma (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (NUTCH-1838) Host and domain based regex and automaton filtering
Date Fri, 08 Jan 2016 12:12:39 GMT

    [ https://issues.apache.org/jira/browse/NUTCH-1838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15089121#comment-15089121
] 

Markus Jelsma commented on NUTCH-1838:
--------------------------------------

Committed to trunk in revision 1723710.


> 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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