[jboss-jira] [JBoss JIRA] Updated: (JBAS-4307) Tag file: Variables from outer tags are not available in inner tags
[ http://jira.jboss.com/jira/browse/JBAS-4307?page=all ]
Wolfgang Knauf updated JBAS-4307:
---------------------------------
Affects Version/s: JBossAS-5.0.0.Beta2
Same for JBoss 5.0 Beta2
Tag file: Variables from outer tags are not available in inner tags
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Key: JBAS-4307
URL: http://jira.jboss.com/jira/browse/JBAS-4307
Project: JBoss Application Server
Issue Type: Bug
Security Level: Public(Everyone can see)
Components: Web (Tomcat) service
Affects Versions: JBossAS-4.2.0.CR1, JBossAS-5.0.0.Beta2
Reporter: Wolfgang Knauf
Assigned To: Remy Maucherat
I created two tag files ("outer" and "inner"), in the jsp
"inner" is a nested tag of "outer".
In the outer tag file I declare a variable and write it to the jspContext. This variable
is available in the jsp, but not in "inner.tag".
outer.tag
<%@ variable name-given="test" scope="NESTED" %>
<%
jspContext.setAttribute ("test", "This is a test !",
PageContext.PAGE_SCOPE);
%>
Value before doBody: ${test} <br>
<jsp:doBody/>
Value after doBody: ${test} <br>
inner.tag:
Value in inner tag: ${test} <br>
test.jsp:
<?xml version="1.0" encoding="ISO-8859-1" ?>
<%@ page language="java" contentType="text/html;
charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
<%@ taglib prefix="test" tagdir="/WEB-INF/tags" %>
<html>
<body>
<test:outer>
Value in test.jsp: ${test} <br>
<test:inner/>
</test:outer>
</body>
</html>
The output is:
Value before doBody: This is a test !
Value in test.jsp: This is a test !
Value in inner tag:
Value after doBody: This is a test !
The inner tag does not see the attribute.
I don't know whether this is a bug or whether the spec forbids this, but I think it
should be possible for the inner tag to see the parent variables.
A usage sample would be some iterator tag which places the current item in a jspContext
variable and the inner tags must be able to access the current item (the variable name is
an attribute of the inner tag). I could place the current item in the request scope, but
this is much too global.
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