I'm pretty sure I remember someone asking this question before, but I
was unable to find it either in my archives or in nabble...
I basically want "includeParams" for a specific parameter, and I thought
I could do it just by conditionally including the parameter like so:
<a href='<s:url action="removeFavorite" namespace="">
<s:param name="mediaCode" value="%{media.code}"/>
<s:if test="%{#parameters.decorator.length > 0}">
<s:param name="decorator" value="%{#parameters.decorator}"/>
</s:if>
</s:url>'><fmt:message key="viewMedia.removeFavorite"/></a>
It doesn't work.
I guess I can always include the param and just change the value based
on a condition:
<a href='<s:url action="removeFavorite" namespace="">
<s:param name="mediaCode" value="%{media.code}"/>
<s:param name="decorator"
value="%{(#parameters.decorator.length > 0)?(#parameters.decorator):('')}"/>
</s:url>'><fmt:message key="viewMedia.removeFavorite"/></a>
but I wanted to ask if there's any sensible way to make the first
solution work? I understand that the s:if tag is conditionally allowing
the body to be added to the output, which is different from
conditionally deciding whether or not to execute the body, and I
understand that it's likely the s:url tag understands s:param children
but not s:if children...
...but I could see a desirable use-case where someone wants to nest an
s:iterator inside a s:url, too, and it would be nice if these types of
constructs could work...
-Dale
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