Hi !
I have a slight problem. I am building a paged results browser, and I
have a problem with my next action.
The root of the problem is because JSTL thinks that some values are
strings, and not numbers.
The code I am running is:
<fmt:formatNumber var="lastPageNo" value="${numberOfContacts / count}"
minFractionDigits="0" maxFractionDigits="0"/>
<c:if test="${numberOfContacts le count}">
<c:set var="lastPageNo" value="1"/>
</c:if>
<c:if test="${(numberOfContacts gt count) and ((numberOfContacts mod
count) ne 0)}">
<c:set var="lastPageNo" value="${lastPageNo + 1}"/>
</c:if>
pageNo: <c:out value="${pageNo}"/>
pageNo.class: <c:out value="${pageNo.class}"/>
lastPageNo: <c:out value="${lastPageNo}"/>
lastPageNo.class: <c:out value="${lastPageNo.class}"/>
pageNo lt lastPageNo: <c:out value="${pageNo lt lastPageNo}"/>
This code does arithmetics on the numbers in some cases, and when these
run, everything is fine. *But*, when the arithmetic operations do not
run, I get the following in my comment block:
pageNo: 2
pageNo.class: class java.lang.String
lastPageNo: 13
lastPageNo.class: class java.lang.String
pageNo lt lastPageNo: false
As you can see, JSTL considers both pageNo and lastPageNo to be strings.
I finally resolved my problem by switching to a choose, and adding an
otherwise block that adds 0 with lastPageNo, converting to a number.
All of this boils down to: is there the equivalent of a Java cast in
JSTL ? If there were, I could simply cast my pageNo and lastPageNo when
doing my tests, and everything would be fine.
Thanks for any help !
Fran�ois
Developer of Java Gui Builder
http://jgb.sourceforge.net/
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