Re: Servlet

Xue-Feng Yang <[email protected]>
Newsgroups gmane.comp.java.enhydra.barracuda.general
Message-ID <[email protected]>
Thanks, Jake. I will run debug to see a small hello
world.



 --- Jacob Kjome <[email protected]> wrote: > 
> Yep, you guessed it.  The event model is totally
> separated from the 
> component model.  The component model is the only
> thing that has a 
> dependency on the w3c dom.
> 
> You actually load things up yourself via the event
> handlers.  You'd 
> probably want to do something like using a request
> handler to evaluate 
> parameters being sent in and then forward control to
> the appropriate render 
> event handler which would manipulate the DOM and
> then write the DOM to the 
> ServletResponse stream such as....
> 
> 
> OutputOptions oo =
>
DefaultDOMWriter.getDefaultOutputOptions(theDocument);
> //add doctype - need to do here because XMLC can't
> yet add the one embedded 
> in the html to the DOM
> oo.setOmitDocType(false);
> oo.setPublicId("-//W3C//DTD HTML 4.01//EN");
>
oo.setSystemId("http://www.w3.org/TR/html401/strict.dtd");
> //now render the DOM
> new DefaultDOMWriter().write(theDocument,
> context.getResponse(), oo);
> 
> 
> 
> You can load an XMLC template up by doing...
> 
> Document theDocument= 
>
DefaultDOMLoader.getGlobalInstance().getDOM(MypageHTML.class);
> 
> or to get a localize DOM template,
> 
> Document theDocument= 
>
DefaultDOMLoader.getGlobalInstance().getDOM(MypageHTML.class,
> theLocal);
> 
> or using straight XMLC...
> 
> Document theDocument= new XMLCStdFactory(null,
> null).create(MypageHTML.class);
> 
> 
> I suggest that you read the component model
> tutorial:
>
http://barracudamvc.org/Barracuda/docs/comp/tutorial.html
> 
> You might also be interested in Diez' contrib
> project which uses the "Pages 
> model".  Barracuda is written in a way that make
> many things possible.  The 
> pages model provides a mini framework which
> standardizes how the loading an 
> rendering of DOM objects is done.  This may be the
> approach you are looking 
> for.  You can run Diez' pages model by doing...
> 
> ant contrib -Dsubproject=dbroggisch
> -Dsubtarget=catalina-install
> 
> You can see the project source by looking under:
> src/org/enhydra/barracuda/contrib/dbroggisch
> 
> Specifically look at the "page" package within the
> package above
> 
> To look at the example actually using the "page"
> package, look under...
> src/org/enhydra/barracuda/contrib/dbroggisch/webapp
> 
> 
> Everything under there is the build for the examples
> in the contrib 
> project.  You can also find a fully separated build
> by downloading it from 
> here:
> ftp://ftp.visi.com/users/hoju/pub
> 
> If you haven't read the docs, you really should read
> those.  It would clear 
> up a lot of questions.
> 
> later,
> 
> Jake
> 
> At 02:18 PM 4/4/2003 -0500, you wrote:
> >My guess is all page data are stored in w3c doc and
> >event listeners will update the doc once a request
> >fired.
> >
> >I am not sure if I can or need to extend
> >ApplicationGateway, EventXXX, and DispatchXXX just
> >like you mentioned for those DefaultEventGateway's.
> I
> >think you may use Java reflect for some of those
> >related classes. I don't know how much w3c doc
> >specifications you use in those classes/interfaces.
> It
> >looks event model is independent of w3c doc from
> class
> >diagrams. Can you confirm this? If the answer is
> yes,
> >then which method will fire those events for
> returning
> >those response strings from those doc?
> >
> >Xue-Feng
>  

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