PI 7.1 Access to Dynamic Configuration through Java Class

My Current scenario involves IDCO -> FILE communications in PI 7.1 using XSL where the file name is dynamic.
I have attempted calling a Java Class from XSL with the use SAPXMLTOOL kit option set in the adaptor and it works but I need to be able to call the transform method
public void transform(TransformationInput arg0, TransformationOutput arg1)
from XSL so I can access the message and update the File Name via Dynamic Configuration.
Whilst I can call a static class with in the object I can not call transform with the correct arguments (arg0, arg1). I need access to arg0 (payload) to set/figure out the filename. I can calculate the filename in XSL and pass it to the Java but in a static method it is useless as it need to access the arg0 which is a object and obviously non-static context.
Is this possible ? How do I get access to Dynamic Configuration from XSL through Java in 7.1 ?
I have successfully called a static method but that is no help.
Thanks in advance.

Suraj,
Unfortunately you link isnt operational but thankyou anyway, I have managed to call as Java class as per my original post, but a static method does not allow me to get a handle to the Dynamic Configuration Variables in the message.
It seems importing the 7.0 LIBS may be an option and Im not entirely sure I have that option.
It certainly isnt possible to use the JDK5 XML implementation to even call a static method on an Java OBJ from XSL (obviously the USE SAPXMLTOOLKIT option is there for a reason).
I think and again I could be wrong but direct access via XSLT..
LINK:http://help.sap.com/saphelp_nwpi71/helpdata/EN/e2/e13fcd80fe47768df001a558ed10b6/frameset.htm
Is what Im looking for, I shall report back success or failure but the doco seems to fit the bill. Im not sure why I wanted to instatiate a sperate Java class when it can all exist in the XSLT.

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iSeries 400 Tips:
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Eitan Rosenberg
09 Mar 2005
Rating: --- (out of 5)
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throws ServletException, IOException {
     //String movie=request.getParameter("movie");
     String movie ="son";
     getStart(movie);
          response.sendRedirect(rootURL+"View.jsp");
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
     public void getStart(String url){
          new vid2jpg(url);
this is the error from the server. Im using tomkat 5
exception
javax.servlet.ServletException: Servlet execution threw an exception
root cause
java.lang.NoClassDefFoundError: javax/media/ControllerListener
     java.lang.ClassLoader.defineClass1(Native Method)
     java.lang.ClassLoader.defineClass(Unknown Source)
     java.security.SecureClassLoader.defineClass(Unknown Source)
     org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1812)
     org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:866)
     org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1319)
     org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1198)
     java.lang.ClassLoader.loadClassInternal(Unknown Source)
     ShowMovie.getStart(ShowMovie.java:31)
     ShowMovie.processRequest(ShowMovie.java:14)
     ShowMovie.doGet(ShowMovie.java:22)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.17 logs.

PI 7.1 Access to Dynamic Configuration through Java Class

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