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From David Sean Taylor <da...@bluesunrise.com>
Subject Re: Sertlet & J2 services
Date Sun, 13 Feb 2005 17:32:34 GMT
Christophe Lombart wrote:
> Is it possible to access to a J2 service from a servlet ?

PortletServices services = JetspeedPortletServices.getSingleton();

> I'm building a Graffito Browser portlet which display documents, 
> folders, .... in the view mode and in the edit mode gives the 
> possibility to edit documents, change the security settings, upload 
> docs, ...
> When I click on a binary document (like a PDF, Ms word doc, ...) in this 
> portlet, I want to use a servlet which send to the client browser the 
> document stream (like a classic HTTP GET).
> All Graffito components are J2 services. So, This servlet has to access 

I actually have a servlet that does this in my graffito app, although 
its not going thru Jetspeed services but Spring, it would be easy enough 
to replace the getBean with a getService call:

public void doGet(HttpServletRequest request, HttpServletResponse 
response) throws IOException, ServletException
   String uri = request.getParameter("uri");
   ContentModelService cms =(ContentModelService)

   Document doc = cms.getDocument(uri);

 > to a Graffito J2 service. Is it possible ? What d you think about this
 > kind of design ?

I think its fine, but we need to ensure that secure access is enforced.
The one thing I don't like is that by using a servlet we are not 
enforcing portal security.

If the cms.getDocument call was integrated with portal security, perhaps 
that would work.

David Sean Taylor
Bluesunrise Software
[office] +01 707 773-4646
[mobile] +01 707 529 9194

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