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Re: Escaping EL in JSTL

by Nathan Bubna :: Rate this Message:

In the upcoming 1.7, you'll be able to do

#[[<c:if test="${ foo != null }">]]#

but for now, you have to use what we call "poor man's escaping":

#set( $D = '$' )
<c:if test="$D{ foo != null}">

Of course, it's best if you can just set the $D reference globally in
your context instead of every template. :)

On Wed, May 13, 2009 at 10:41 AM, M. Tinnemeyer <marc-web@...> wrote:

> Ups
>
> the code was:
>
> <c:if test="${ foo != null }">
> ...
> </c:if>
>
>
> On May 13, 2009, at 7:31 PM, M. Tinnemeyer wrote:
>
>> Good evening,
>>
>> I use Velocity to generate several Jsp pages. This works quite well as
>> long as I do not use EL expressions like:
>>
>> <c:forEach items="${foo != null}" var="bar">
>> ...
>> </c:forEach>
>>
>> I tried to escape the $ sign by using a backslash or but then Velocity
>> stumbles upon "!=".
>> #set( $D = '$' ) like stated in the user-guide did not improve the
>> situation.
>>
>> Does anybody have a clue on this ?
>>
>> Maybe there is a way to exclude a whole line from being parsed by Velocity
>> ?
>>
>> Kind regards
>> Marc Tinnemeyer
>>
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