Re: [Springframework-developer] Java Server Faces & Spring

[Rob B. <rob...@ve...>]

I sent this out earlier, but it bounced so I don't know if anyone saw it.
So I am sending it out again.  If you already got a copy of this message you
can just ignore it.

Check out:
http://jakarta.apache.org/struts/proposals/struts-faces.html

Specifically read the section "How does this affect Struts?"

As you see JSF can sit on top of Struts.  Obviously struts has an advantage
as the JSF spec lead, Craig, is also the Struts lead.  But I think it would
be VERY useful if there was a JSF implementation that sat on top of Spring.

I haven't yet finished Rod's book, or had the time / opportunity to use
spring yet. So I may not know what I am talking about, but the major feature
of Spring MVC web framework is how it will automatically convert web input
strings to the appropriate Java data types for the bean.  This is a HUGE
feature over Struts as far as I am concerned.  So it would be nice if there
were a JSF layer built on top of Spring that allowed JSF to be used, but
also provided the advantage of the automatic type conversion that spring
has.  (I don't think the JSF will offer type conversion as a feature, but I
haven't read the full spec so I am not sure yet.)

Thoughts?

Later
Rob

----- Original Message -----
From: "jürgen höller [werk3AT]" <jue...@we...>
To: "Rob Butler" <rob...@ve...>;
<spr...@li...>
Sent: Wednesday, August 27, 2003 7:10 AM
Subject: RE: [Springframework-developer] Java Server Faces & Spring


Rob,

Good question. Of course, JSF has to make it into standard J2EE first ;-)

I wonder how Struts will "support" JSF, when JSF is effectively a full web
application framework with its own action dispatching and view component
mechanisms, targeted at tool support. Could it be that such a Struts/JSF
"integration" is more a marketing term than anything else, to avoid making
people worry about exisiting investments in Struts?

From my point of view, JSF is a full web tier technology, an alternative to
Spring's own web MVC, Struts, WebWork, Tapestry, etc. There should be a
simple way to access a Spring root application context from any such web
tier. The WebApplicationContextUtils.getWebApplicationContext helper method
just needs a reference to the current ServletContext. People are already
doing that for all mentioned web frameworks. Should be straightforward for
JSF too.

This is the nice thing about Spring: We provide such a wealth of support for
all layers that other frameworks just compete with certain parts of Spring.
It makes sense to combine Spring and other web frameworks to be able to
leverage merits of the latter but also Spring's middle tier services.
Spring's web MVC is just an option (of course, a good one IMO), not a
necessity.

Juergen


-----Original Message-----
From: Rob Butler [mailto:rob...@ve...]
Sent: Wednesday, August 27, 2003 1:20 AM
To: spr...@li...
Subject: [Springframework-developer] Java Server Faces & Spring


Hello all,

I was just wondering what impact (if any) Java Server Faces will have on
Spring?  Will a JSF "adapter" be developed for spring?  Since JSF will be
part of the J2EE standard managers will start to expect everyone to use /
know JSF, or the existing / entrenched Struts framework.  Spring may have an
uphill battle if it doesn't support JSF, when it appears Struts will.

Thoughts / opinions.
Later
Rob



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