Re: [TCLUG-DEVEL:289] JSP, Bean and Servlet

[Perry Hoekstra <dutchman@uswest.net>]

Bob Tanner wrote:
> 
> Read an interesting article in JavaPro about Presentation, Model and
> Controller design pattern (think this is it, left the mag at home).
> 
> Anyways, it talks about using JSP as the presenation, a Java Bean as Model and
> Servlet's as the controller.
> 
> JSP's get their info from the Bean for display on the web.
> 
> Servlet's manipulate the info on the Bean.
> 
> The Bean just sits there and holds the data. :-)
> 
> I understand the JSP can POST/GET to the servlet, that communication channel is
> clear.
> 
> I also understand how JSP can retrieve data from the Bean. The Bean is
> instantiated inside the JSP, so that is simple.
> 
> What I don't understand is how does the Servlet communicate with the Bean?

Having not seen the article, I would assume the following: the JSP would
talk to the Bean through custom tags.  Each tag is supported by a Java
class that implements the Tag interface.

-- 
Perry Hoekstra
E-Commerce Architect
Talent Software Service
dutchman@mn.uswest.net