RE: [Springframework-developer] How to getting at an application context

[Dion A. <di...@al...>]

Colin -

Thanks for the great info. I will take a peak and see if I can get it
working in a fairly simple way. Once you start working with DI it is too
painful to have to leave it behind elsewhere! ;)

D

-----Original Message-----
From: Colin Sampaleanu [mailto:col...@ex...] 
Sent: Tuesday, October 12, 2004 11:57 AM
To: spr...@li...
Subject: Re: [Springframework-developer] How to getting at an application
context

At that point, you're stuck with using some sort of singleton or
quasi-singleton, realistically... (which of course is what the servlet
context variant is anyways)

You can roll your own, or rely on the singleton implementations of
BeanFactoryLocator, such as SingletonBeanFactoryLocator or
ContextSingletonBeanFactoryLocator.
http://www.springframework.org/docs/api/org/springframework/beans/factory/ac
cess/SingletonBeanFactoryLocator.html
http://www.springframework.org/docs/api/org/springframework/context/access/C
ontextSingletonBeanFactoryLocator.html

Note that if you do use these, you will want to probably use a slightly
modified setup where you use a service layer appcontext, and the web-app
context is just a child of that, and still loaded normally via the context
loader listener. This loading is easily achieved with a subclass of
ContextLoader and ContextLoaderListener, like here:
http://cvs.sourceforge.net/viewcvs.py/springframework/spring/autobuilds/apps
/ejbtest/src/java/org/springframework/autobuilds/ejbtest/util/context/Contex
tLoader.java?view=markup
http://cvs.sourceforge.net/viewcvs.py/springframework/spring/autobuilds/apps
/ejbtest/src/java/org/springframework/autobuilds/ejbtest/util/context/Contex
tLoaderListener.java?view=markup

Regards,
Colin

Dion Almaer wrote:

>Hi guys -
>
>When I have code in something like a ServletContextListener I can get 
>access to the application context easily via:
>
>ApplicationContext appContext =
>WebApplicationContextUtils.getWebApplicationContext(event.getServletCon
>text(
>));
>
>However, I have a class that is initiated from third party library, 
>which is loaded from WEB-INF/lib.
>
>This third party library has nothing to do with the web, so there is no 
>way to get the ServletContext, and hence the application context.
>
>Is there anyway that I can get from this loaded class to my nice context?
>E.g. can my code look at its ClassLoader and find anything from there?
>
>Cheers,
>
>Dion
>  
>




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