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Posted to user@velocity.apache.org by Jeff Duska <Je...@noaa.gov> on 2002/08/30 19:50:58 UTC
Velocity & JSF
I like hear what people think of the new JSF spec now that it has been
released @ http://java.sun.com/j2ee/javaserverfaces/download.html
I've skimed it over. It seems layered ontop of JSTL, so I'm wondering
what fellow Velocity developer think. I'm still reading it over, but I
figure I get the group talking about the pro and cons. Over on
JavaLobby, it is being bashed pretty hard.
Later,
Jeff
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Re: Velocity & JSF
Posted by Attila Szegedi <sz...@freemail.hu>.
----- Original Message -----
From: "Charles N. Harvey III" <ch...@alloy.com>
To: "Velocity Users List" <ve...@jakarta.apache.org>
Sent: 2002. szeptember 3. 15:49
Subject: RE: Velocity & JSF
> Since Macromedia bought Allaire they now own JRun and have started to
> integrate
> all of their products. So Cold Fusion now has tags that interact with
> servlets.
> And since Macromedia produces Flash, there are some tags that interact
with
> JRun and with Cold Fusion. How these tags work is beyond me. And having
> that
> same functionality outside of the Macromedia environment is probably a
> no-go.
If "same functionality" refers to generating Flash content (SWF files), then
there are several open-source solutions in Java for it, i.e. JGenerator at
http://www.flashgap.com/ It works either as a servlet (on-the-fly creation
and streaming of Flash content), or as an offline application. They claim to
actually be faster than the Macromedia Generator (the equivalent proprietary
product). Disclaimer: I'm in no way associated with them, so this is not a
self-promo [only offtopic] :-).
Attila.
> But if you really want to start using JRun....
>
> Charlie
>
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RE: Velocity & JSF
Posted by "Charles N. Harvey III" <ch...@alloy.com>.
Since Macromedia bought Allaire they now own JRun and have started to
integrate
all of their products. So Cold Fusion now has tags that interact with
servlets.
And since Macromedia produces Flash, there are some tags that interact with
JRun and with Cold Fusion. How these tags work is beyond me. And having
that
same functionality outside of the Macromedia environment is probably a
no-go.
But if you really want to start using JRun....
Charlie
-----Original Message-----
From: Jeff Duska [mailto:Jeff.Duska@noaa.gov]
Sent: Friday, August 30, 2002 3:11 PM
To: Velocity Users List
Subject: Re: Velocity & JSF
>
>
>Next I may look into Flash MX, as that may be a cleaner way to solve the
><form> problems than in HTML. Has anyone used Velocity with Flash?
>
>
>
I'm looking into doing this at NCDC. It solves the whole browser issue
for me, since I have to support all the way back to Netscape 4.xx. My
problem is that FlashMX and ActionScript seem weak as a programming
enviorment. I'm not sure, I still have a lot to learn. It is really
shame that we can't do something like this with client side Java...
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Re: Velocity & JSF
Posted by Jeff Duska <Je...@noaa.gov>.
>
>
>Next I may look into Flash MX, as that may be a cleaner way to solve the
><form> problems than in HTML. Has anyone used Velocity with Flash?
>
>
>
I'm looking into doing this at NCDC. It solves the whole browser issue
for me, since I have to support all the way back to Netscape 4.xx. My
problem is that FlashMX and ActionScript seem weak as a programming
enviorment. I'm not sure, I still have a lot to learn. It is really
shame that we can't do something like this with client side Java...
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RE: Velocity & JSF
Posted by Nick Temple <nt...@alivecity.com>.
I've looked it over briefly. I like the idea of being able to easily put
validation and persistance into the template -- arguably that should go in
the logic, but I usually put at least client-side validation in the HTML.
I don't like JSP in general, and it's reliance on taglibs (at least in the
examples) is a -1. Specifically, as a designer, I can't "see" what the
generated code will look like when rendered (or even get a rough idea). ...
of course that's a known downsid of JSP in general. Using Velocity wouldn't
help matters - you still would have to "generate" your text fields from
code: $faces.output_text(....), for example.
Early on, I experimented with "rewriting" JSP files by modifying Tomcat to
actually parse various HTML tags (like <input> fields), search for extended
attributes, and then generate both serverside and clientside validation and
persistance based on the values of the fields. Similar to the way
ColdFusion does it, except that I added a persistance layer. I still think
this is the "best" way to go: language angonostic, easy to deal with,
"embrace and extend" HTML, and completely ignored if the subsystem doesn't
understand it. And outside the (current) scope of Velocity.
Immediately I found that <tag class="header"> wouldn't work because JSP
insists on calling setClass() method for the tag...
Anyway, JSF does seem to help solve some real-world problems, It's just that
it doesn't fit my "style". I'll stick with Velocity and keep struggling
with persistance.
Next I may look into Flash MX, as that may be a cleaner way to solve the
<form> problems than in HTML. Has anyone used Velocity with Flash?
Nick
-----Original Message-----
From: Jeff Duska [mailto:Jeff.Duska@noaa.gov]
Sent: Friday, August 30, 2002 12:51 PM
To: velocity-user@jakarta.apache.org
Subject: Velocity & JSF
I like hear what people think of the new JSF spec now that it has been
released @ http://java.sun.com/j2ee/javaserverfaces/download.html
I've skimed it over. It seems layered ontop of JSTL, so I'm wondering
what fellow Velocity developer think. I'm still reading it over, but I
figure I get the group talking about the pro and cons. Over on
JavaLobby, it is being bashed pretty hard.
Later,
Jeff
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