[ http://issues.apache.org/jira/browse/NUTCH-245?page=all ]
Chris A. Mattmann updated NUTCH-245:
------------------------------------
Attachment: NUTCH-245.Mattmann.patch.txt
Here's the patch for the plugin DTD file. I got a lot of info from:
http://help.eclipse.org/help31/index.jsp?topic=/org.eclipse.platform.doc.isv/reference/misc/plugin_manifest.html
i.e., the eclipse manifest file. Turns out that by examining the plugin
manifest parser code though, a lot of some elements that eclipse uses we don't
currently use in Nutch. Additionally, I also noticed that the element
"implementation" can basically have any attribute name/value pair on it,
besides "id" and "class", so I wasn't sure how exactly to represent this in DTD
terminology other than going through all the plugin.xml files for the nutch
plugins and adding #IMPLIED attribute names for the implementation attribute
corresponding to each of the optional attributes used by different extension
point implementations. Maybe there's a more elegant way, but, for now, this
works (I ran it against all the plugin.xml files through my XML validator and
they check out).
Okay, thanks!
> DTD Schemas for plugin.xml configuration files in conf directory
> ----------------------------------------------------------------
>
> Key: NUTCH-245
> URL: http://issues.apache.org/jira/browse/NUTCH-245
> Project: Nutch
> Type: New Feature
> Components: fetcher, indexer, ndfs, searcher, web gui
> Versions: 0.7.2, 0.7.1, 0.7, 0.6, 0.8-dev
> Environment: Power PC Dual Processor 2.0 Ghz, Mac OS X 10.4, although
> improvement is independent of environment
> Reporter: Chris A. Mattmann
> Assignee: Chris A. Mattmann
> Priority: Minor
> Attachments: NUTCH-245.Mattmann.patch.txt
>
> Currently, the plugin.xml file does not have a DTD or XML Schema associated
> with it, and most people just go look at an existing plugin's plugin.xml file
> to determine what are the allowable elements, etc. There should be an
> explicit plugin DTD file that describes the plugin.xml file. I'll look at the
> code and attach a plugin.dtd file for the Nutch conf directory later today.
> This way, people can use the DTD file to automatically (using tools such as
> XMLSpy) generate plugin.xml files that can then be validated.
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