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To Hans (others welcome). JSF and Tapestry

 
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We've had some discussion on these two and I'd like your take on the following observations and questions:

1) JSF and Tapestry seem to be aimed at doing the same thing
2) Tapestry will probably never support JSF
3) Given that Sun supports JSF, but Tapestry is now under Apache, which do you see being the most used in the market by 2007?
4) It is my understanding that JSF is 2-tier now. What is the schedule to allow true N-tier support?

Thanks!
 
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Originally posted by Darrin Smith:
We've had some discussion on these two and I'd like your take on the following observations and questions:

First, I should say that I haven't studied Tapstry in detail (but read a few articles and other docs on it), but I'm sure Howard will correct me if I'm wrong on any of these answers:


1) JSF and Tapestry seem to be aimed at doing the same thing


More or less. JSF isn't tied to HTML, while Tapestry is. JSF is designed to work well with RAD tools, while this hasn't been a goal for Tapestry (it may still be doable, though). But for the majority, I believe it's fair to say that both primarily are trying to make it easier to develop web application interfaces.


2) Tapestry will probably never support JSF


I wouldn't jump to that conclusion. If it turns out that it can be done without too much trouble, and a large set of interesting JSF components becomes available, I wouldn't be surprised if Tapestry starts supporting JSF components.


3) Given that Sun supports JSF, but Tapestry is now under Apache, which do you see being the most used in the market by 2007?


I'm pretty sure JSF will be used the most by 2007, but Tapestry will likely still be around. I think the balance will be similar to what you see between JSP and Velocity and similar "non-JCP blessed" technologies of the same kind.


4) It is my understanding that JSF is 2-tier now. What is the schedule to allow true N-tier support?


Maybe I misunderstand the question, but JSF is a user interface framework
which lets you bind user interface actions to business logic code. This business logic code can use as amny tiers as you want, so I say JSF is already usable as a part of an N-tiered application.
 
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