RE: Custom Tag lib passing c:out tags

[Jennie Moeller <Je...@bbc.co.uk>]

FYI I found a solution if anyone else has this issue:

In the custom tag lib where you set your Parameter you need to include
this code:

try {
            parameter = (String)
ExpressionUtil.evalNotNull("encodechars", "parameter", value,
String.class, this, pageContext);
        } catch (Exception ex) {
            parameter = null;
        }

Then in the tag you can just do the following:

<mytag:encodechars parameter="${rForm.shortTitle}"/>

-----Original Message-----
From: Jennie Moeller [mailto:Jennie.Moeller@bbc.co.uk] 
Sent: 01 October 2007 10:39
To: Struts Users Mailing List
Subject: Custom Tag lib passing c:out tags

I have a custom tag lib i call passing a parameter of a c:out tag.
 
We don't have jsp expression lang supported so i have to use the c:out
tag to pass the variable into the custom tag but it doesnt' like it.
 
here is my tag:
 
<tag>
        <name>encodechars</name>
        <tagclass>com.web.taglib.EncodeCharsTag</tagclass>
        <bodycontent>empty</bodycontent>
        <info>
            Encodes numeric entities to html entities
        </info>
        <attribute>
            <name>parameter</name>
            <required>true</required>
            <rtexprvalue>true</rtexprvalue>
        </attribute>
    </tag>
 
 
This is how i call it;
 
<mytag:encodechars parameter="<c:out value='${rForm.shortTitle}'/>"/>
 
But it passes "<c:out value='${rForm.shortTitle}'/>" as a string rather
than the actual value of it.
 
Any ideas?
jennie


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