first of all, thanks million for the responses. If i didn't misunderstand , i
have to implement a customized filter under tapestry project. My target is
to be able to get my injected service from the Registry object out of
tapestry module at run-time, the injected service is global singleton and it
is managed by Tapestry IOC module.
At run-time, the Registry object is initialized by "public final void
init(FilterConfig filterConfig)" method and is saved as an attribute object
of ServletContext. I'm just trying to get the Registry object out of
Tapestry module with noninvasive way, it seems that in the javadoc of
Tapestry, there's no such API that enables user to access injected service
through Registry object like:
public static Registry RegistryFactory.getRegistry(String moduleName){...};
I think IOC module could use a Map like structure to manage the unique
Registry of every TapestryModule, like <ModuleName,Registry> and provide an
uniform Interface for other framework to access.
jc1001 wrote:
>
> I forgot to put:
>
> HttpSession session = req.getSession(false);
>
> ... in the code below. Anyhoo just saw "static" in your original query -
> not sure if this is what you require.
>
> Regards,
> Jim.
>
> -----Original Message-----
> From: Jim O'Callaghan [mailto:jc1000...@yahoo.co.uk]
> Sent: 29 June 2010 15:17
> To: 'Tapestry users'
> Subject: RE: Is there anyway to access injected service instance out of
> box?
>
> Can't you do it in a filter? -
>
> public void doFilter(ServletRequest request, ServletResponse response,
> FilterChain chain) throws IOException,
> ServletException {
> HttpServletRequest req = (HttpServletRequest) request;
> ServletContext context = session.getServletContext();
> Registry registry = (Registry)
> context.getAttribute(TapestryFilter.REGISTRY_CONTEXT_NAME);
> MyServiceInterface myInjectedServiceInstance =
> registry.getService(YourServiceInterface.class)
>
> Regards,
> Jim.
>
> -----Original Message-----
> From: Jimmy.Lew [mailto:jae...@aol.com]
> Sent: 29 June 2010 13:58
> To: users@tapestry.apache.org
> Subject: Re: Is there anyway to access injected service instance out of
> box?
>
>
> You mean like this:
>
> ......
> Registry reg=servletContext.getAttribute(REGISTRY_CONTEXT_NAME);
> MyserviceInterface
> myInjectedServiceInstance=reg.getService("MyserviceID",MyserviceInterface.cl
> ass);
> ......
>
> but how could i get the singleton ServletContext object outside tapestry,
> i
> couldn't find any static method to reach this?
>
>
>
> Christophe Cordenier wrote:
>>
>> Hi
>>
>> Tapestry Registry allows you to access all the services your have
>> declared,
>> it is available in the servlet context under this name :
>>
>> public static final String REGISTRY_CONTEXT_NAME =
>> "org.apache.tapestry5.application-registry";
>>
>> 2010/6/29 Jimmy.Lew <jae...@aol.com>
>>
>>>
>>> Does Tapestry IOC module provide API to allow other frameworks to
>>> access
>>> injected service instance? e.g., i want to use DWR to check a injected
>>> session manager service in a tapestry page. Appreciate somebody could
>>> give
>>> a
>>> hint.
>>> --
>>> View this message in context:
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> t-of-box--tp29020920p29020920.html
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>>>
>>
>>
>> --
>> Regards,
>> Christophe Cordenier.
>>
>> Committer on Apache Tapestry 5
>> Co-Creator of wooki @wookicentral.com
>>
>>
>
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