I checked in a tld which works with the classes defined in the jsp
service package to implement a layout/navigation/screen arrangement. I
added a new directory to hold the tld. I also added a short
example file which contains a layout and a screen and a couple
navigations. It contains some remnants
of a WM style variable tag, which should probably be ignored. It would
be good to add some links
for a better example.
Hope this helps you get started.
John McNally
Sarbjit Singh wrote:
>
> Do you think the layout/navigation/screen module for jsp will be checked Any
> time soon ?
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of John McNally
> Sent: Wednesday, November 15, 2000 8:07 PM
> To: Turbine
> Subject: Re: Request for help: JSP templating
>
> services.TurbineTemplateService.default.screen=BaseJspScreen
>
> Get started without layouts. You need a tag library to
> use the layout/navigation/screen modules, which is
> currently somewhere on my home machine.
>
> Subclass BaseJspScreen and override the
> getLayout(RunData) method to return null. Then set
> the property above to this new screen module.
>
> Let me know if this helps you get started with JSP
> screen templates.
>
> I know this doesn't really answer your question, but I
> am not seeing a problem with your configuration. But
> I do know an important component is missing to use
> layouts with JSP.
>
> John McNally
>
> --- David Noll <[EMAIL PROTECTED]> wrote:
> > Many thanks for the advice. I spent some time
> > playing with WebMacro
> > templates per the tutorial and now the JspService
> > javadoc makes a lot
> > more sense. :-)
> >
> > There is one little issue, though, that I am stuck
> > on: when I make a
> > JSP version of the WebMacro HelloWorld example
> > (http://java.apache.org/turbine/webmacro-site.html)
> > I get a 404 error
> > where the server is looking for "/layoutsnull". This
> > error seems tied
> > to activating JspLayout as the default layout in the
> > TR.props. In the
> > past, it looks like people have solved this by using
> > the
> > TemplateSessionValidator; on that note I tried
> > several of the
> > different sessionvalidators, all with the same
> > "layoutsnull" result.
> >
> > I suspect I've done something boneheaded in my conf
> > file to cause
> > this. Is there a property beyond
> > "TurbineTemplateService.default.layout.template"
> > that needs to be set
> > in order to get a HelloWorld application running?
> >
> > If it's any help, I put the conf file at
> > http://www.pudg.org/temp/TurbineResources.properties
> >
> > Regards,
> > David
> >
> >
> > ----- Original Message -----
> > From: "John McNally" <[EMAIL PROTECTED]>
> > To: "Turbine" <[EMAIL PROTECTED]>
> > Sent: Tuesday, November 14, 2000 6:09 PM
> > Subject: Re: Request for help: JSP templating
> >
> >
> > [EMAIL PROTECTED] wrote:
> > >
> > > Hello,
> > >
> > > I've noticed JSP isn't this list's favorite topic
> > so I'll be brief:
> >
> > You are right that it isn't the most popular
> > templating system for
> > Turbine, but there is no reason you can't use it.
> > There is a basic
> > interface, so that JSP can be used similarly to
> > Velocity or WebMacro.
> > All it needs is someone who wants to use it and is
> > willing to make it
> > better.
> >
> > >
> > > I've successfully installed & configured Turbine
> > under Resin 1.2, to
> > > the point where I can build and run custom actions
> > and screens using
> > > ECS. I've browsed the javadoc and list archives,
> > but I can't quite
> > > figure out the specific steps I need to take in
> > order build a working
> > > application that works as follows:
> > >
> > > - A request comes in; Turbine handles
> > authentication, session
> > > management and business logic.
> >
> > The Turbine servlet (along with default modules)
> > contains code to help
> > with the first; of course the business logic objects
> > and
> > action/screen/... modules to assemble them for the
> > templates or process
> > them are the main parts you need to build to put
> > together an
> > application.
> >
> > >
> > > - Turbine actions/screens put various pieces of
> > data in objects that a
> > > JSP can access via <jsp:useBean> or however.
> >
> > My limited understanding of JSP has led me to just
> > dump everything in
> > the request for processing by the JSP. I do not
> > think a page designer
> > should be concerned about the scope of an object.
> > If an object is being
> > stored in the session and it is appropriate for a
> > screen that will
> > generate the response, The Java Screen should add
> > the object to the
> > request, so the JSP is not concerned about where all
> > the objects are.
> > That's just my opinion though. One example is that
> > the JSP service adds
> > the RunData object to the request, so it is always
> > available to the JSP.
> >
> > >
> > > - Turbine's navigation & layout features go
> > largely unused.
> >
> > But they can be used. I have added all the classes
> > necessary to use
> > them. The one piece I have not checked in is the
> > tld (which could
> > easily be checked in, but is probably fairly useless
> > without some
> > docs). But you can use JSP without them, correct.
> >
> > >
> > > - The flow of control is passed to a JSP, which
> > munges data from the
> > > action/screen together with HTML/XML. When a JSP
> > needs to do things
> > > that access application data (e.g. build links),
> > it directly
> > > accesses relevant Turbine singletons.
> >
> > singletons?
> >
> > >
> > > If somebody could provide a quick blow-by-blow on
> > what I need to do
> > > (what properties to set, what the screens to
> > subclass & what methods
> > > they should implement, how to specify and pass
> > control to the jsp
> > > template, etc) I would be very indebted. Also, I'd
> > be happy to write
> > > documentation once I better understand how the
> > various parts of such a
> > > framework fit together.
> > >
> > > Unfortunately, Webmacro/Velocity isn't an option
> > for this project, for
> > > purely bureaucratic reasons. Thanks in advance and
> > my apologies for
> > > bringing up such an abominable topic ;-). I've
> > been very impressed
> > > with Turbine thus far, and can't wait to get it
> > integrated into our
> > > existing system.
> >
> > The JSP service and associated modules follow very
> > closely the model
> > given by all the rest of the template related
> > services. Understand one
> > and you understand them all.
> >
> > Good luck.
> >
> > John McNally
> >
> > (BTW, for anyone who is interested. I have been
> > preparing for a move to
> > CollabNet, where I start tomorrow. No guarantees
> > when that might
> > increase my contributions to Turbine, but just
> > increasing my daily
> > exposure to Java related work over what I have had
> > the last few months
> > ought to improve things considerably.)
> >
> >
> >
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> >
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