Cooki3d framework allows you to build easily xml file with eventualy its associate compiled plugins.

You can test it directly in the navigator  

Java Web Cooki3d Framework online  

Know bugs:

You will have component refresh problems if you have more than one executing demo at the same time when you use the web Framework. It is a jogl limitation on the java swing display thread...

The Cooki3d event model is designed for redirect node click, collision, key  events towards user functions.

In the near future (next version 0.22), the function could be written directly in the form of scripts like Lua or Tcl.