Can I generate an HTML fragment in DataUtility?

Hello all.

I am trying to display custom HTML fragment inside the OOTB attribute panel. I already created a controller that generates the fragment.

Can I use this controller to substitute attribute value using Data Utility?

As an example I could use com.ptc.carambola.rendering.HTMLComponent to display custom HTML in the attribute:   

HTMLComponent hc = new HTMLComponent("<a href='www.google.com'> Goole Link </a>" );

But I need help figuring out how to dynamically generate that HTML.

Windchill R10.1

Any help is very much appreciated.

Vitaliy.