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From Otis Gospodnetic <>
Subject Re: [SUBMIT] docweb demo app
Date Wed, 27 Feb 2002 02:23:43 GMT
Ah, I finally found this contribution from Erik.
It's a bit lengthy and I don't have the patience and concentration to
read and understand it now.  Maybe tomorrow :).
In the mean time - has anyone tried this?
Does anyone have any comments, suggestions, anything?
I don't want to be the only one getting -1 from people, so please speak


--- Erik Hatcher <> wrote:
> Lucene-dev,
> Attached is the recently discussed Ant <index> task code and the
> patches
> necessary to build a web application containing an index of Lucene's
> documentation (the docs in CVS and the generated Javadocs).
> Its certainly not perfect, and no doubt is in need of refactoring,
> but if I
> waited until it was completely polished it'd never see the light of
> day!
> I patched into build.xml such that I took advantage of the existing
> web
> application so as to get it developed quickly.  My actual application
> uses
> Struts for the web app, and that is of course a bit too heavy to toss
> into
> this demo, especially the first pass.
> One change to configuration.jsp is required (and since this would
> typically
> be changed in the other demo web app, perhaps it can be modified to
> this in
> CVS or cloned for this demo app, or use a filtered <copy> with a
> token in
> configuration.jsp):
>     String indexLocation =
> getServletContext().getRealPath("/WEB-INF/index");
> This is a proof-of-concept, and the build and web app will need some
> polishing.  But it works "out of the box" with the patches applied
> (see the
> docweb-patches.txt file in the .zip attached).
> To build, simply run the docweb-war target:
>     ant docweb-war
> it churns for a bit on indexing the documentation (but not long), and
> there
> will then be a bin/docweb/lucenedocweb.war file (mine was about 2MB
> in size
> because of the embedded index).
> Here are some known issues (the ones I can think off the top of my
> head):
> - It hooks into the existing demo web app pages, so searching works,
> but the
> results page is broken because its not adding the same fields the
> original
> demo expects.  Again, this is proof-of-concept that a web app demo
> can be
> delivered that is fully functional with an embedded index and does
> something
> useful with Lucene's docs.
> - The <index> task does some dependency checking, but after seeing
> the 'uid'
> features in the Lucene demo code more closely I can see that it needs
> to be
> refactored to take advantage of this kind of thing.
> - How should file content be handled?   Embedded in the index as
> "rawcontents"?  Copied to a directory inside the WAR statically?  Its
> currently being embedded, which has its share of issues, as would
> copying
> also.
> - I'm still a "newbie" to Lucene's API.  I built this thing with very
> little
> effort (thanks lucene-dev!) several months ago, and haven't really
> touched
> it since as its not the direct focus of my current work.  It has
> simply
> worked solidly since built, so I haven't had a need to dig into it
> more to
> clean it up or tweak it.  There is of course much work to be done to
> have a
> really solid <index> task, but I feel this is a good start.
> Let me know if there are any questions or problems with incorporating
> this.
> And like I mentioned before, I'm looking for expert eyes at IndexTask
> code
> to make it the best it can be.  Folks that contribute to it will earn
> acknowledgements in my upcoming Ant book for sure (if you desire,
> certainly
> wouldn't print anyone's name without permission).
> Think about Gump or some other process indexing all of Jakarta's docs
> (perhaps during release builds only?) with fields for product,
> version, etc.
> Wow!  There is already a Jakarta search engine, but I'm sure it
> doesn't hold
> a candle to Lucene's capabilities. I feel that building an index of
> static
> content during an Ant build is an important capability for Lucene to
> have -
> docs are typically static until the next release, so it makes sense
> to index
> them at build time, right?
> Comments, suggestions, criticisms, etc all are welcome.
>     Erik

> ATTACHMENT part 2 application/x-zip-compressed
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