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From Hans Gilde <hgilde-comm...@earthlink.net>
Subject RE: [JELLY] Re: j:forEach bug
Date Fri, 24 Sep 2004 04:04:32 GMT

Well... this would definitely be a nice feature.

FYI, Ben, this example/explanation is perfect. The original email about a
bug and your patch would have been more concise and easily digested if it
included the info in this last email.

If the functionality worked properly in XML but didn't exactly implement
javax.servlet.jsp.jstl.core.LoopTagStatus, would that be good for you?

Hans

-----Original Message-----
From: Ben Anderson [mailto:benanderson@benanderson.us] 
Sent: Thursday, September 23, 2004 11:59 AM
To: Jakarta Commons Developers List
Subject: [JELLY] Re: j:forEach bug

I'll post my patch to jira tomorrow - I left the code at work.  The JSTL 
compliance I'm referring to is the varStatus attribute, which according 
to the jstl spec should implement 
javax.servlet.jsp.jstl.core.LoopTagStatus.  Meanwhile the jelly 
attribute assigns a variable with type of Integer which is an index.  I 
would like to do something like this, which works nicely using the 
Standard 1.1 taglibs.
<j:forEach var="element" items="${list}" varStatus="status">
    <j:if test="${status.last}">
        this is the last time through
    </j:if>
</j:forEach>
I know there are other ways to do this, but is seems to me the jstl way 
is much nicer ;-)
-Ben

Paul Libbrecht wrote:

> Ben,
>
> There has been several considerations on making j:forEach more jstl  
> compliant... you might to consider them first:
>
> http://nagoya.apache.org/jira/secure/IssueNavigator.jspa? 
> reset=true&mode=hide&summary=true&description=true&query=forEach
>
> Do note that Jelly uses Jira and not Bugzilla!
>
> To make your patch, I think there's an option of "cvs diff" that 
> allows  a unified diff...
>
> All in all, I haven't understood very well what is the goal of your  
> change!
>
> Personally, I'd more and more consider the need for forEach to be 
> JSTL  compliant as somewhat... annoying.
>
> paul
>
> Le 23 sept. 04, à 17:28, Ben Anderson a écrit :
>
>> I'm new to this list, and developer tasks in Apache projects.  I 
>> found  a bug in
>> jelly's forEach tag, which is not conformant to jstl.  I've tried to  
>> fix it and
>> am close (I think), but it's not functioning exactly as I suspected 
>> it  would.
>> Maybe someone could offer some help.  I want to check the specific  
>> process for
>> this.  Should I enter a bug in bugzilla?  I can then post my patch  
>> there?
>> Also, I've added a couple of files(tests).  Do I just append these?   
>> Somethine
>> like:
>>
>> $cvs diff  -u > site.patch
>> $echo "src/test/org/apache/commons/jelly/core/TestForEachTag.java" 
>> >>  site.patch
>> $cat src/test/org/apache/commons/jelly/core/TestForEachTag.java >>  
>> site.patch
>> $echo "src/test/org/apache/commons/jelly/core/testForEachTag.jelly"  
>> >>site.patch
>> $cat src/test/org/apache/commons/jelly/core/testForEachTag.jelly >>  
>> site.patch
>>
>> also, like I said this patch isn't complete.  What I'm doing is  
>> creating an
>> anonymous inner class and setting that in the context.  The jelly  
>> script
>> recognizes the object, but doesn't proper evaluate it's methods:
>> <!-- this evaluates correctly -->
>> <j:out value="${myClass.class}"/>
>>
>> <!-- the class contains a method getProp1()
>>      but it isn't evaluating correctly -->
>> <j:out value="${myClass.prop1}"/>
>>
>> I'm thinking this may have something to do with it being an 
>> anonymous  inner
>> class.  Eyeballing my patch would be much easier than me explaining  
>> here, so I
>> won't go into much detail.  I'm just curious as to the next step I  
>> should take.
>>
>> Thanks,
>> Ben
>>
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>
>
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