A little more info, seems the TagExtraInfo is causing some problems for me.
Here's a snippet from the class:
+++++++++
public class ValueTEI extends TagExtraInfo {
private boolean declared = false;
public VariableInfo[] getVariableInfo(TagData tagData) {
if (!declared) {
declared = true;
return new VariableInfo[] {
new
VariableInfo("value","java.lang.String",true,VariableInfo.AT_BEGIN)
};
}
else {
return new VariableInfo[] {
new
VariableInfo("value","java.lang.String",false,VariableInfo.NESTED)
};
}
}
}
++++++++++
Why is value being declared for Tomcat but differently for Resin?
And below, replace "key1" with "value" in the snippet. Typo there.
-Hakan
-----Original Message-----
From: Kilic, Hakan [mailto:[EMAIL PROTECTED]
Sent: Monday, March 22, 2004 6:55 PM
To: Tomcat Users List
Subject: Tomcat vs Resin - Tag Libraries
Hi all,
I'm working on making sure an application I've written works on Tomcat,
Resin and a few others, and I've come across a very interesting problem.
The application is working with tag libraries, and runs on Apache/Tomcat
4.1.12, and Resin 2.1.6.
My tag library is "IfSet".
In the _jspService() that Tomcat generates I get the following code snippet:
+++++
com.mycompany.tags.IfSet _jspx_th_dm_ifSet_0 = new
com.mycompany.tags.IfSet();
_jspx_th_dm_ifSet_0.setPageContext(pageContext);
_jspx_th_dm_ifSet_0.setParent(null);
_jspx_th_dm_ifSet_0.setName("myname");
java.lang.String value = null;
try {
int _jspx_eval_dm_ifSet_0 = _jspx_th_dm_ifSet_0.doStartTag();
value = (java.lang.String) pageContext.findAttribute("key1");
if (_jspx_eval_dm_ifSet_0 != javax.servlet.jsp.tagext.Tag.SKIP_BODY) {
try {
if (_jspx_eval_dm_ifSet_0 !=
javax.servlet.jsp.tagext.Tag.EVAL_BODY_INCLUDE) {
out = pageContext.pushBody();
_jspx_th_dm_ifSet_0.setBodyContent((javax.servlet.jsp.tagext.BodyContent)
out);
_jspx_th_dm_ifSet_0.doInitBody();
++++++++++++
But resin produces this code snippet:
+++++++++++
com.caucho.jsp.QBodyContent _jsp_endTagHack0 = null;
if (_jsp_tag0 == null) {
_jsp_tag0 = new com.mycompany.tags.IfSet();
_jsp_tag0.setPageContext(pageContext);
_jsp_tag0.setParent((javax.servlet.jsp.tagext.Tag) null);
_jsp_tag0.setName("myname");
}
int _jspEval1 = _jsp_tag0.doStartTag();
if (_jspEval1 != javax.servlet.jsp.tagext.Tag.SKIP_BODY) {
if (_jspEval1 ==
javax.servlet.jsp.tagext.BodyTag.EVAL_BODY_BUFFERED) {
out = pageContext.pushBody();
_jsp_endTagHack0 = (com.caucho.jsp.QBodyContent) out;
_jsp_tag0.setBodyContent(_jsp_endTagHack0);
}
value = (java.lang.String)pageContext.findAttribute("key1");
++++++++
All I'm doing in my html is calling <%pageContext.findAttribute("key1")%>,
and I'm getting an error that "value" isn't declared. For some reason Tomcat
will declare is using "java.lang.String value = null;" while Resin will not.
Also, Tomcat is initializing the tag library right away, with the statement
com.mycompany.tags.IfSet _jspx_th_dm_ifSet_0 = new
com.mycompany.tags.IfSet();
but Resin instead uses
com.mycompany.tags.IfSet _jsp_tag0 = null;
Is there some part of the spec Tomcat is implementing properly/differently?
Is it how I'm using my tag library?
Any help would be great, since this is in the servlet code generated, and
it's a bit hard to work backwards to figure out what my Tomcat is doing and
why.
Thanks!
-HK
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