[jira] Commented: (XALANJ-1847) Transform.setParameter doesn't function as an extension mecanism

["Martin von Gagern (JIRA)" <xa...@xml.apache.org>]

    [ https://issues.apache.org/jira/browse/XALANJ-1847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12681322#action_12681322 ] 

Martin von Gagern commented on XALANJ-1847:
-------------------------------------------

I encounter similar issues. Looks like a reference type could never be used as a this argument.
I'm currently trying to write a patch, but as this seems a major operation, I'm not sure I'll succeed.

> Transform.setParameter doesn't function as an extension mecanism
> ----------------------------------------------------------------
>
>                 Key: XALANJ-1847
>                 URL: https://issues.apache.org/jira/browse/XALANJ-1847
>             Project: XalanJ2
>          Issue Type: Bug
>      Security Level: No security risk; visible to anyone(Ordinary problems in Xalan projects.  Anybody can view the issue.) 
>          Components: Xalan-extensions
>    Affects Versions: 2.6
>         Environment: Operating System: All
> Platform: All
>            Reporter: François Lemaire
>            Assignee: Xalan Developers Mailing List
>
> I don't know if that can be called a bug or if it is a proposed extension, but 
> this bothers me. I've tried to do pass an object by calling 
> myTransformer.setParameter, then in my stylesheet call a method defined in my 
> object, but I got a NoSuchMethodError telling me that my method didn't exist in 
> java.lang.String. My guess is that params are transformed into String objects 
> before being passed to the stylesheet. It's annoying, because I'd like to pass 
> an extension object to the stylesheet from my java code rather than having 
> package and class names written in the stylesheet; if I want to change the 
> implementation of the interface implemented by my object (which is an URL 
> rewriting helper), I have to change package and function names everywhere in my 
> stylesheets!

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