Re: Commands vs. Controllers

actually--giving this more thought...

the command is the wrapper around the whole maverick work unit--it wraps the
entire controller -> view -> transform chain. when you specify a command you
are specifying the entire work unit.

a controller is more akin to a view than a command in that the controller is
just one step in the processing of the command.

in fact, it is completely valid to have a command with no controller:

<command name="foo">
    <view path="makeFO.jsp">
        <transform type="fop"/>
    </view>
</command>

--jim

----- Original Message ----- 
From: "jim moore" <[email protected]>
To: <[email protected]>
Sent: Monday, June 23, 2003 12:49 PM
Subject: Re: [Mav-user] Commands vs. Controllers


> > 1. Browser requests an URL (eg. http://localhost/test.m)
> > 2. In maveric terminology it appears that test.m is actually
> >    mapped to a "test" command.
> > 3. Maverick dispatches the request to appropriate Controller
> >    that takes care of command execution. Controller also takes
> >    care of the flow (eg. returns a view or executes another
> >    command).
> >
> > Any controller can serve multiple commands. So commands are just
> > placeholders for specific URLs.
>
>
> this is a good way to look at it--you could easily have a general purpose
> controller that could you would reuse in different situations--something
as
> simple as:
>
> <command name="report">
>     <controller class="foo.ReportCreator"/>
>     <view path="report.jsp"/>
> </command>
>
> <command name="pdfReport">
>     <controller class="foo.ReportCreator"/>
>     <view path="pdf/report.jsp">
>         <transform type="fop"/>
>     </view>
> </command>
>
> <command name="excelReport">
>     <controller class="foo.ReportCreator"/>
>     <view path="excel/report.jsp"/>
> </command>
>
> obviously this could also be done as:
>
> <command name="report">
>     <controller class="foo.ReportCreator"/>
>     <view name="standard" path="report.jsp"/>
>     <view name="pdf" path="pdf/report.jsp">
>         <transform type="fop"/>
>     </view>
>     <view name="excel" path="excel/report.jsp"/>
> </command>
>
> but the point is it is your choice as to how you want to organize your
apps.
>
> --jim
>
>
>
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