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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (NIFI-1156) HTML Parsing Processors Bundle
Date Sun, 03 Jan 2016 21:22:39 GMT

    [ https://issues.apache.org/jira/browse/NIFI-1156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15080532#comment-15080532
] 

ASF GitHub Bot commented on NIFI-1156:
--------------------------------------

Github user joewitt commented on the pull request:

    https://github.com/apache/nifi/pull/124#issuecomment-168541446
  
    added more comments on the NIFI-1156 ticket.


> HTML Parsing Processors Bundle
> ------------------------------
>
>                 Key: NIFI-1156
>                 URL: https://issues.apache.org/jira/browse/NIFI-1156
>             Project: Apache NiFi
>          Issue Type: New Feature
>          Components: Core Framework
>            Reporter: Jeremy Dyer
>            Priority: Minor
>
> NiFi provides the ability to ingest HTML but lacks the convenience to easily interact
with that HTML once it has entered the flow. There should be a HTML Processing Bundle that
provides mechanisms for manipulating and interacting with HTML data once it has entered the
flow. Jsoup http://jsoup.org/ seems like a logical tool to use since it is mature and has
a MIT license which would allow it to be incorporated into NiFi.
> “GetHTMLElement” should use the CSS selector-syntax (http://www.w3schools.com/cssref/css_selectors.asp)
built into Jsoup to extract 0-N HTML elements from the original HTML input. This processor
should support a delimited string of selectors allowing the user to build compound HTML element
output. Each HTML element (or compound element result) extracted will create a new Flowfile
where the element will be in either the Flowfile content or an attribute depending on the
user configuration.
> “ModifyHTMLElement” should provide the ability to modify the original input HTML
and overwrite any existing element values. The HTML element that will be modified can be selected
by using the CSS selector-syntax
> “PutHTMLElement” should provide the ability to put a new HTML element anywhere in
the original input HTML using CSS selector-syntax to indicate the position that the new HTML
element should be placed.
> There seems to be a potential for adding more processors but this seems like a good start.
Since there is a dependency on Jsoup and a potential for more processors to come I think it
makes sense to add this logic as its own nar bundle but I could be wrong.



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