Christian,
Task names were passed as parameters, the inner-classes did belong to the
domain servlet, however, rather than using a big case statement, we stored
an instance of each task class in a hashtable in the servlet's init method
and then just retrieved the task object from the hashtable as needed.
Jeff
At 08:24 AM 9/19/00 -0600, you wrote:
>Thanks Jeff!
>
>A couple of followup questions, if I may...
>
>1. So task names were passed as parameters, right?
>2. The inner classes actually belong to the domain servlet, yes?
>3. Are you using reflection to instantiate/invoke the inner classes, or just
>a big case stmt?
>
>Thanks for the explanation,
>Christian
>
>
> > -----Original Message-----
> > From: A mailing list for discussion about Sun Microsystem's Java Servlet
> > API Technology. [mailto:[EMAIL PROTECTED]]On Behalf Of Jeff
> > Hanson
> > Sent: Monday, September 18, 2000 4:59 PM
> > To: [EMAIL PROTECTED]
> > Subject: Re: Q: Inner classes and servlets
> >
> >
> > Christian,
> >
> > Specifically, the domain servlet gets the desired task name from the query
> > parameters and then instantiates a member inner-class that correlates to
> > the task. The inner-classes were scoped as private and since
> > inner-classes
> > can only exist in the context of the instance of the class they are named
> > in, domain tasks are kept private to the domain that they belong to. This
> > provided secure encapsulation and allowed for safe inheritance by users
> > wishing to extend the domain servlet for site customization.
> >
> > Jeff
> >
> > At 03:43 PM 9/18/00 -0600, you wrote:
> > >Hi Jeff,
> > >
> > >Interesting...this is exactly the train of thought I'm exploring
> > right now.
> > >Can you share any more details? I'm working on building a presentation
> > >framework, and would like to use inner classes as "event listeners".
> > >
> > >I'd love to hear details if you can share them. You can email offline if
> > >that's easier ([EMAIL PROTECTED])
> > >
> > >Thanks!
> > >Christian
> > >
> > > > -----Original Message-----
> > > > From: A mailing list for discussion about Sun Microsystem's
> > Java Servlet
> > > > API Technology. [mailto:[EMAIL PROTECTED]]On
> > Behalf Of Jeff
> > > > Hanson
> > > > Sent: Monday, September 18, 2000 1:57 PM
> > > > To: [EMAIL PROTECTED]
> > > > Subject: Re: Q: Inner classes and servlets
> > > >
> > > >
> > > > I worked on a team that used inner-classes to encapsulate
> > particular tasks
> > > > associated with query parameters passed from the client. We were
> > > > designing
> > > > generic model-view-controller domain frameworks for the Web
> > application
> > > > environment and this mechanism made it very easy for users
> > and maintainers
> > > > of the frameworks to understand and modify the code to meet
> > their specific
> > > > needs. Specifically, each domain-framework controller consisted of a
> > > > servlet or set of servlets with the tasks for the domain
> > implemented as
> > > > inner-classes. Adding new tasks was as simple as adding a new
> > inner-class
> > > > and associating it with a new query parameter.
> > > >
> > > > -----Original Message-----
> > > > From: A mailing list for discussion about Sun Microsystem's
> > Java Servlet
> > > > API Technology. [mailto:[EMAIL PROTECTED]]On Behalf Of
> > > > Christian Cryder
> > > > Sent: Monday, September 18, 2000 9:00 AM
> > > > To: [EMAIL PROTECTED]
> > > > Subject: Q: Inner classes and servlets
> > > >
> > > >
> > > > Hi folks,
> > > >
> > > > I'm wondering if/how people are using inner classes within
> > > > Servlets? If you
> > > > are, could you let me know some details?
> > > >
> > > > Thanks,
> > > > Christian
> > > > ------------------------------------------------
> > > > Christian Cryder
> > > > Software Engineer, Rocks
> > > > Lutris Technologies, Inc.
> > > > [EMAIL PROTECTED]
> > > > ------------------------------------------------
> > > > "What a great time to be a Geek"
> > > > ------------------------------------------------
> > > > http://www.lutris.com ~ http://xmlc.enhydra.org
> > > >
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