| Using plugins in web application context [message #81706] |
Sun, 21 January 2007 18:44  |
Eclipse User |
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Originally posted by: wilmot.tut.by
Hi,
I'm new to Equinox and OSGi and trying to grasp how they fit into J2EE web application model.
At the moment I'm concerned with deployment issue: is there any machinery to make classes from plugins visible to web application? I mean here some Equinox facility but not typical ways of doing this, like placing plugins into WEB-INF/lib or adding references to manifest. I guess the latter ones are not very appropriate.
Assuming that I already have web application, how do I get access to classes contained in platform/plugins?
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| Re: Using plugins in web application context [message #81753 is a reply to message #81706] |
Tue, 23 January 2007 04:49  |
| Eclipse User |
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Originally posted by: skaegi.sympatico.ca
Hi,
when you're embedding equinox in a web application the class loader
visibility "can" allow Equinox to see the classes in the web application but
not vice-versa.
If you want to setup a communication channel this means that you'll have to
do it via a shared class from the webapp.
The servletbridge handles the setting up of the communication for the
Servlet API and certainly the same approach can be imitated for a different
interface however it's a bit of work. A generic communication channel.is a
possibility and might be a good incubator project however nothing is
currently in the works.
If you're still interested I'd suggest trying the quickstarts and a few
samples here (http://www.eclipse.org/equinox/server/) and then getting
familiar with the servletbridge projects.
HTH
-Simon
"wilmot" <wilmot@tut.by> wrote in message
news:ep0cep$qra$1@utils.eclipse.org...
> Hi,
>
> I'm new to Equinox and OSGi and trying to grasp how they fit into J2EE web
application model.
> At the moment I'm concerned with deployment issue: is there any machinery
to make classes from plugins visible to web application? I mean here some
Equinox facility but not typical ways of doing this, like placing plugins
into WEB-INF/lib or adding references to manifest. I guess the latter ones
are not very appropriate.
> Assuming that I already have web application, how do I get access to
classes contained in platform/plugins?
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