RE: [OT] JSF & JSTL EL [WAS: RE: DynaBeans, Struts, OR mapping tools and code generators]

[Andrew Hill]

Thanks Craig :-)

-Original Message-
From: Craig R. McClanahan [mailto:[EMAIL PROTECTED]]
Sent: Saturday, 25 January 2003 14:47
To: Struts Users Mailing List; [EMAIL PROTECTED]
Subject: Re: [OT] JSF & JSTL EL [WAS: RE: DynaBeans, Struts, OR mapping
tools and code generators]




On Thu, 23 Jan 2003, Andrew Hill wrote:

> Date: Thu, 23 Jan 2003 14:10:28 +0800
> From: Andrew Hill <[EMAIL PROTECTED]>
> Reply-To: Struts Users Mailing List <[EMAIL PROTECTED]>,
>  [EMAIL PROTECTED]
> To: Struts Users Mailing List <[EMAIL PROTECTED]>
> Subject: [OT] JSF & JSTL EL  [WAS: RE: DynaBeans, Struts,
>  OR mapping tools and code generators]
>
> o...
> I do wish you'd stop talking about JSF. It sounds so cool that I feel like
a
> kid on Christmas eve who cant wait for Santa to come down the chimney and
> fill the stocking with presents...
> ;-)
>

Patience, Andrew ... patience ... all good things come to those who wait
... :-)

> Where could one get a copy of the source for the JSTL expression language
> evaluator stuff? Is there something in struts EL I can rip?
>

The struts-el library uses the EL evaluator from the "standard" tag
library in the Jakarta Taglibs project, which is basis for the JSTL
reference implementation.  You could integrate that into your own tags (or
other application components) in the same way that struts-el does.

Craig


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RE: [OT] JSF & JSTL EL [WAS: RE: DynaBeans, Struts, OR mapping tools and code generators]

[Jerome Jacobsen]

JSTL-EL source code is under Jakarta Taglibs.
See class org.apache.taglibs.standard.lang.support.ExpressionEvaluator.


> -Original Message-
> From: Andrew Hill [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, January 23, 2003 1:10 AM
> To: Struts Users Mailing List
> Subject: [OT] JSF & JSTL EL [WAS: RE: DynaBeans, Struts, OR mapping
> tools and code generators]
>
>
> o...
> I do wish you'd stop talking about JSF. It sounds so cool that I
> feel like a
> kid on Christmas eve who cant wait for Santa to come down the chimney and
> fill the stocking with presents...
> ;-)
>
> Where could one get a copy of the source for the JSTL expression language
> evaluator stuff? Is there something in struts EL I can rip?
>
> -Original Message-
> From: Craig R. McClanahan [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, 23 January 2003 13:59
> To: Struts Users Mailing List
> Subject: Re: DynaBeans, Struts, OR mapping tools and code generators
>
>
>
>
> On Wed, 22 Jan 2003, Tony Baity wrote:
>
> >
> > I am looking forward to see what the SUN Faces product will do and how
> > Struts and JSTL relates to or is incorporated into that but I do not
> > know easy it will be to map database fields to a "face".
> >
>
> If you've seen the early access version of JavaServer Faces that is
> currently available, you know that the linkage between UI components and
> model tier JavaBeans is expressed via a "model reference expression" that
> is associated with each component.  In the next EA release, you'll see
> that the syntax used for model reference expressions has been enhanced to
> be exactly like a variable reference in the expression language (EL) used
> by the JSP Standard Tag Library (JSTL)  -- indeed, the reference
> implementation of JavaServer Faces uses the exact same expression
> evaluator code.  So, anything you can address through a JSTL expression
> today can be the source or destination of model tier data for a JavaServer
> Faces component.
>
> > -Tony
>
> Craig
>
>
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[OT] JSF & JSTL EL [WAS: RE: DynaBeans, Struts, OR mapping tools and code generators]

[Andrew Hill]

o...
I do wish you'd stop talking about JSF. It sounds so cool that I feel like a
kid on Christmas eve who cant wait for Santa to come down the chimney and
fill the stocking with presents...
;-)

Where could one get a copy of the source for the JSTL expression language
evaluator stuff? Is there something in struts EL I can rip?

-Original Message-
From: Craig R. McClanahan [mailto:[EMAIL PROTECTED]]
Sent: Thursday, 23 January 2003 13:59
To: Struts Users Mailing List
Subject: Re: DynaBeans, Struts, OR mapping tools and code generators




On Wed, 22 Jan 2003, Tony Baity wrote:

>
> I am looking forward to see what the SUN Faces product will do and how
> Struts and JSTL relates to or is incorporated into that but I do not
> know easy it will be to map database fields to a "face".
>

If you've seen the early access version of JavaServer Faces that is
currently available, you know that the linkage between UI components and
model tier JavaBeans is expressed via a "model reference expression" that
is associated with each component.  In the next EA release, you'll see
that the syntax used for model reference expressions has been enhanced to
be exactly like a variable reference in the expression language (EL) used
by the JSP Standard Tag Library (JSTL)  -- indeed, the reference
implementation of JavaServer Faces uses the exact same expression
evaluator code.  So, anything you can address through a JSTL expression
today can be the source or destination of model tier data for a JavaServer
Faces component.

> -Tony

Craig


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Re: DynaBeans, Struts, OR mapping tools and code generators

[Craig R. McClanahan]

On Wed, 22 Jan 2003, Tony Baity wrote:

>
> I am looking forward to see what the SUN Faces product will do and how
> Struts and JSTL relates to or is incorporated into that but I do not
> know easy it will be to map database fields to a "face".
>

If you've seen the early access version of JavaServer Faces that is
currently available, you know that the linkage between UI components and
model tier JavaBeans is expressed via a "model reference expression" that
is associated with each component.  In the next EA release, you'll see
that the syntax used for model reference expressions has been enhanced to
be exactly like a variable reference in the expression language (EL) used
by the JSP Standard Tag Library (JSTL)  -- indeed, the reference
implementation of JavaServer Faces uses the exact same expression
evaluator code.  So, anything you can address through a JSTL expression
today can be the source or destination of model tier data for a JavaServer
Faces component.

> -Tony

Craig


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DynaBeans, Struts, OR mapping tools and code generators

[Tony Baity]

Has anyone seen any effort afoot to make a drag-N-drop between a GUI like the one in 
MiddleGen and an ActionForm so that you can build your pages using point and click and 
have all the code generation for the action classes, DTOs/VOs, EJBs/DAOs done behind 
the scenes xdoclet style. I know the propriatary nature of some databases and app 
servers makes this a little difficult but it looks like a lot of pieces for this are 
starting to fall in place. Especially with the new commons-beanutils with features 
such as  RowSetDynaClass (as recently mentioned by Craig)

I don't mind coding all this stuff by hand... Not!... and don't mind trying out 
various popular OR mapping tools and code generators (free ones that is). But it seems 
like someone might be looking at assembling into a single tool many of the loosely 
coupled projects not only at Apache but also sourceforge.

I am looking forward to see what the SUN Faces product will do and how Struts and JSTL 
relates to or is incorporated into that but I do not know easy it will be to map 
database fields to a "face".

But for my next scheduled development with Stuts 1.1 and the new commons code, this 
looks like still a lot of hand coding or hand configuring of code generators... 

I suppose I'll need to ask each of the current tool's user lists to see if they are 
planning to support some of the new features and integration with Struts. 

:) But I wanted poll the great Struts masses first :)

-Tony

 

 



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