Oh, yes, tomcat 5.5.x is working fine for me regarding
EL. Thanks for the advice on the other mailing
lists. I'll give them a try.
dave
--- Rashmi Rubdi <[EMAIL PROTECTED]> wrote:
> I don't know about Custom Tag Libraries, but I do
> know about installing and configuring JSTL 1.1 on
> Tomcat 5.5.x
>
> Have you tried something like this with JSTL ,
> before attempting Custom Tags ?
>
> <c:set var="someVariable" value="some string
> value"/>
> ${someVariable}
>
> In the above case do you see "some string value" ,
> or do you see ${someVariable} ?
>
> If you see ${someVariable} , then EL is not
> evaluating because your project's web.xml might not
> be configured correctly to Servlet 2.4 spec.
>
> Your project's web.xml for Tomcat 5.5 should be
> like this:
>
> <?xml version="1.0" encoding="UTF-8"?>
>
> <web-app version="2.4"
> xmlns="http://java.sun.com/xml/ns/j2ee";
>
>
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
>
> xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
> http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd";>
>
> </web-app>
> For JSTL1.1 and Custom Tag libs I recommend these
> forums/ mailing lists:
>
http://forum.java.sun.com/forum.jspa?forumID=45&start=0
> http://jakarta.apache.org/taglibs/#MailingLists
>
> -Rashmi
>
> ----- Original Message ----
> From: David Diehl <[EMAIL PROTECTED]>
> To: Tomcat Users List <users@tomcat.apache.org>
> Sent: Friday, March 16, 2007 2:26:32 PM
> Subject: Re: Should EL (Expression Language)
> expressions result in the TagData.REQUEST_TIME_VALUE
> object?
>
>
> Sorry to be a pest, but no replies in 2 days. Any
> tomcat developers willing to help me? Should I just
> post this as a bug? Any advice is appreciated.
>
> thanks.
>
> dave
>
> --- David Diehl <[EMAIL PROTECTED]> wrote:
>
> > I have a custom tag with attributes defined in the
> > TLD
> > file as allowing run-time expression values,
> > meaning:
> >
> > <rtexprvalue>true</rtexprvalue>
> >
> >
> > I also have a TagExtraInfo class that I am using
> to
> > validate the values provided.
> >
> > Inside my TagExtraInfo sub-class I have code such
> as
> > this:
> >
> > Object attr = data.getAttribute("groupSize");
> >
> > if ( attr != null &&
> > !attr.equals(TagData.REQUEST_TIME_VALUE)
> > {
> >
> > and so on. When, in my JSP, I provide attribute
> > values such as "<%= 10 * 14 %>" (JSP scriplet) I
> do
> > indeed get the TagData.REQUEST_TIME_VALUE object
> > back
> > on this call.
> >
> > However, when I instead have an EL value,
> something
> > like "${groupSizeValue}", I do not received the
> > REQUEST_TIME_VALUE distinguished object back. I
> > receive a String object, containing the text
> > "${groupSizeValue}". Is this the correct
> behavior?
> > Everything I have read (books, Google searches,
> > etc.)
> > seems to point me in the thinking that this is a
> > bug.
> >
> >
> > From looking at the tomcat 5.5.20 and 5.5.23
> source
> > code, I see where the JspAttribute (nested class
> of
> > Node) is created. In the Validator class, line
> > 1117,
> > is the creation for this object passing the
> constant
> > "false" for the "expr" argument (5th argument to
> the
> > 1st ctor of this class). I believe it is line
> 1117
> > that would be getting executed since the if
> > statement
> > preceding this is:
> >
> > if (el.containsEL() && !pageInfo.isELIgnored())
> {
> >
> >
> > So, my question is, why would an EL expression
> when
> > EL
> > is not being ignored be considered not an
> > expression?
> >
> > Thanks in advance.
> >
> > dave
> >
> >
> >
> >
>
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