Okay, thanks for clarifying this. As this is my first struts project and
also first time using jsp with a framework like this, I feel a little
uncomfortable about all this new tags.
However, now sure wanting to use JSTL, i just downloaded the jstl
reference impl from struts taglib group, where readme says following :
...
CORE LIBRARY
EL: <%@ taglib prefix="c" uri="http://java.sun.com/jstl/core"; %>
RT: <%@ taglib prefix="c_rt" uri="http://java.sun.com/jstl/core_rt";
%>
Okay, now i read in
http://www.onjava.com/pub/a/onjava/2002/03/13/jsp.html?page=2
"In order to be able to support both the scripting (rtexprvalues) and
the expression language (elexprvalues) worlds, JSTL has the concept of
twin tag libraries: one that supports the expression language, and one
that supports request-time expression values. It's assumed that most
developers will use the EL-based tag libraries; however, it's still
possible for scripting page authors to use JSTL with rtexprvalues. Using
the rtexprvalues will provide the benefit of type safety and performance
via the request-time based tag libraries (their URI simply has the -rt
suffix appended)."
Question is : If i use the RT library as i want to expose it as
scripting variable, I learned that i still have to use <jsp:useBean> or
struts <bean:define> to expose a scripting variable, right ? - no
support for that in JSTL cause <c:declare> is deprecated ?!
But scoping to my original problem, i think you solution
> <c:if test="${parameterForm.structure_changeable eq 1}">
>
> </c:if>
will serve my aim quite right.
Thanks Jörg
-----Original Message-----
From: John Espey [mailto:[EMAIL PROTECTED]
Sent: Sonntag, 23. Februar 2003 18:29
To: Struts Users Mailing List
Subject: RE: seeking shortcut name of current FormBean inside every
html:from
actually, scratch what i just said about not needing the bean:define
tag,
you would need it because the html:form tag will not make the form
available
as a scripting variable. That's why I'd use the EL, since it will not
need
to create a scripting variable.
> -----Original Message-----
> From: Jörg Maurer [mailto:[EMAIL PROTECTED]
> Sent: Sunday, February 23, 2003 11:19 AM
> To: Struts Users Mailing List
> Subject: RE: seeking shortcut name of current FormBean inside every
> html:from
>
>
> Hi John, thanks for answering - you might be right on the issue I
should
> use a EL tag instead of scriplet.
>
> What i am basically interested in : When processing a jsp using a
> html:form tag, i guess html:form brings the current form bean object
> into some scope accessible to my jsp - but under what name does that
tag
> expose it?
>
> My form bean is defined in struts config as
>
> <form-bean name="ParameterForm"
>
> type="com.ucpmorgen.mobiletix.app.param.ParameterForm">
> </form-bean>
>
> Cause when used (please forgive my ignorance on your EL solution for
> now): <% if (ParameterForm.getStructure_changeable().intValue() == 1)
{
> %> so.. uuupppps ... the jsp compiler always asked for a static method
> on ParameterForm. uuupppps , because I suddenly think that naming the
> variable like the class of form bean( the name after it is exposed
> later), is an most unlucky coincident, isn't it?!?!!? -> if is, then i
> should rename the bean name in the struts config.
>
> Anyway, is the exposed from bean cast to the correct type for usage :
> - inside EL-Tag you wrote it is correctly typed
> - but for scriplet, isn't it just exposed as being of type
> java.lang.Object ?!?!
>
>
> -----Original Message-----
> From: John Espey [mailto:[EMAIL PROTECTED]
> Sent: Sonntag, 23. Februar 2003 17:21
> To: Struts Users Mailing List
> Subject: RE: seeking shortcut name of current FormBean inside every
> html:from
>
>
> maybe I'm missing something, but if you use an EL tag (like the
core:if
> or
> core:choose or logic-el:equals) you wouldn't need to do any scriptlet
or
> casting.
>
> <c:if test="${parameterForm.structure_changeable eq 1}">
>
> </c:if>
>
> as far as the constants, i'm not sure I follow.
> Hope this helps though...
> > -----Original Message-----
> > From: Jörg Maurer [mailto:[EMAIL PROTECTED]
> > Sent: Sunday, February 23, 2003 8:40 AM
> > To: Struts Users Mailing List (E-mail)
> > Subject: seeking shortcut name of current FormBean inside every
> > html:from
> >
> >
> > Hi strut-users!
> >
> > Since this post i have been using massively e.g. <bean:define
> > id="parameterForm" name="ParameterForm" type="ParameterForm"/>
> > in my jsp´s to grab the reference to the current FormBean like e.g.
> >
> > <html:form action="/parameter">
> > ...
> > <bean:define id="parameterForm" name="ParameterForm"
> > type="ParameterForm"/>
> > <% if (parameterForm.getStructure_changeable().intValue() == 1)
> > { %>
> > </html:form>
> >
> > Please mail the applicable "shortcut" name (as i have forgotten the
> full
> > name, has'nt it been sth. like "org.apache.struts....") and in which
> > class those constants are denoted. Addendum : Once i got that
> reference,
> > do i have to cast that reference to the correct form type - like :
<%
> if
> > (((ParameterForm)xxxFromBean).getStructure_changeable().intValue()
==
> 1)
> > { %>
> >
> >
> > Tanks a lot Jörg
> >
> >
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>
>
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