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From James M Snell <jasn...@gmail.com>
Subject Re: Passing an Object from the servlet through to the provider?
Date Wed, 14 May 2008 05:42:39 GMT
RequestContext.setAttribute(Scope scope, String name, Object value) ... 
where Scope == Scope.REQUEST or Scope.SESSION

Does that work for what you need?

- James

Glen Daniels wrote:
> Hey Abderites:
> 
> So here's my situation.  I've got an Abdera server (i.e. AbderaServlet 
> in Tomcat) running that needs to share some information with another 
> servlet.  In particular, the non-AbderaServlet (let's call it Servlet1) 
> needs to create an Object and then in an ideal world pass that through 
> to the AbderaServlet in such a way that the Provider instance that gets 
> created has access to it.  Make sense?
> 
> The best solution for me would be to put something into the 
> ServletContext, and then somehow get access to that later - but I can't 
> seem to do that currently.
> 
> Since the initialization step doesn't really need to be done until the 
> first actual request, and I've already got a solid connection between my 
> Provider and my TargetResolver, I figured one way would be something 
> like (pseudocode):
> 
> TargetResolver.resolve(Request request) {
>   ServletRequestContext context = (ServletRequestContext)request;
>   if (thing == null) {
>     thing = context.getServletContext().getAttribute("thing");
>   }
> }
> 
> A patch that would just carry the ServletContext in addition to the 
> HttpServletRequest in each ServletRequestContext would be very easy to 
> do in Abdera, and would get me what I need.  Am happy to contribute same.
> 
> Is there a better way to do this?  I noticed the ManagedProvider stuff 
> but it looks like you can only pass Strings in there, and only in very 
> specific ways.  Perhaps some kind of more general initialization context 
> that I'm missing?  The above patch would solve my problem later but not 
> in v0.4.0.
> 
> The solution I've come up with for now is to subclass the AbderaServlet, 
> and add the ServletContext to every HttpRequest as an attribute - that 
> lets me do basically the same trick, but it seems... less than optimal.
> 
> Thoughts/comments?
> 
> Thanks,
> --Glen
> 

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