RE: [Springframework-developer] postHandle for Interceptors

[Kopylenko, D. <dko...@ac...>]

Sounds reasonable to me...

-----Original Message-----
From: Darren Davison [mailto:da...@da...] 
Sent: Friday, March 12, 2004 11:16 AM
To: spr...@li...
Subject: [Springframework-developer] postHandle for Interceptors



If a controller handles the response completely it should return a null
ModelAndView to the dispatcher to indicate as such and prevent the
dispatcher attempting to render a view.

In such a case, is it appropriate that the dispatcher still attempts to call
the postHandle() method of any Interceptors in the chain?  It seems
redundant to me - it also means every postHandle() method in every
Interceptor implementation has to explicitly check for a null MAV to avoid
throwing an NPE.

I'm unsure if there are valid use cases that would require a postHandle() to
execute if the controller has fully handled the response (ie with a
response.sendError(...)

How about amending line 381 of DispatcherServlet thus:

if (mappedHandler.getInterceptors() != null && mv != null) {



-- 
Darren Davison
Public Key: http://www.davison.uk.net/key.jsp



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