I am trying to Extend some of the primefaces components renderer class to make same changes i register new renderer in the faces config
<render-kit>
        <renderer>
            <component-family>org.primefaces.component</component-family>
            <renderer-type>org.primefaces.component.CommanButton</renderer-type>
            <renderer-class>ExtendedTags.myCommandButton</renderer-class>
        </renderer>
    </render-kit>
i can see that it calls the constructor of the renderer but not the other overridden functions encodeBegin encodeEnd etc. am i missing something? Is there any special addition for primefaces components? Here is my Renderer Class
public class myCommandButton extends CommandButtonRenderer{
    public myCommandButton() {
    System.out.println("button constructor");
    }
    @Override
    public void encodeBegin(FacesContext context, UIComponent component) throws IOException {
        System.out.println("button encode begin");
        super.encodeBegin(context, component);
        ResponseWriter writer = context.getResponseWriter();
        writer.write("*");
    }
}