[SOLVED] Date is printing but failed to evaluate as not empty in JSTL

Date is printing but failed to evaluate as not empty in JSTL

I am using JSTL to iterate Spring's model values in my JSP.

I display the two dates in my JSP using JSTL.

Below is my Java code:

model.put("oldest",timesheetService.getOldestPendingTimesheet(userDetails));
model.put("pending", timesheetService.getNextOldestPendingTimesheet(userDetails));

JSP Code:

<c:choose>
    <c:when test="${not empty model.oldest}">
        <c:out value="${model.oldest}"/>
    </c:when>
    <c:when test="${not empty model.pending}">
        <c:out value="${model.pending}"/>
    </c:when>       
</c:choose>

I display the both dates in outside of the <c:choose> tag. It's printing like below:

oldest:Tue Nov 04 00:00:00 IST 2014 
Pending:Sun Nov 09 00:00:00 IST 2014

Oldest Date is printing inside the <c:when> tag, but bpending is printing only outside of the <c:choose> tag and not printing inside the <c:when> tag.

What's wrong with the above code?

Solution

That's because when you have several <c:when> in <c:choose>, the first one is interpreted as if and all the others as else if. So, your first condition is satisfied and the second when is ignored.

If you want to print both of them depending on non-exclusive conditions, better use <c:if>. It is also easier to read than <c:choose> construct, when you have few conditions.

<c:if test="${not empty model.oldest}">
    <c:out value="${model.oldest}"/>
</c:if>
<c:if test="${not empty model.pending}">
    <c:out value="${model.pending}"/>
</c:if>