Hi Everyone - I've been searching everywhere for a solution to this and
haven't been able to resolve it. I don't think I've properly wrapped my
head around the issue, so hoping someone could provide some guidance.
I am trying to build a modular GWT application - by that I mean that there
will be the core application, but it should support the addition of gwt
modules ("plugins") without having to rebuild. This is being accomplished
by updating parameters in the web.xml so that I can just stop the webapp,
add a .jar file to the /lib directory, define the new .jar in the web.xml
and restart the application. So far so good. The problem arises when trying
to initialize/access the classes within the plugins.
Let's imagine I had a PetStore application (classic example!). I have an
interface called *Pet* that is implemented by some classic examples (Cat,
Dog, Fish) in the core application. However, I want to be able to add a
plugin for an exotic pet (Borneo Pygmy Elephant), and have the application
(client-side) be able to load the class when a record comes up that refers
to it. I am able to do this server-side using a URLClassLoader, but can't
figure out how to use a Generator to instantiate all possible *Pet*
implementations within a module.
If I am going to implement a generator, should it be in the plugin or in
the core application? I've found a few examples, but none seem to pinpoint
exactly what I'm trying to do. Appreciate any help...
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