How to set the body URL of a tile in Struts action class?

<definition name="cnmp.body.index" extends="cnmp.mainLayout" >
  <put name="title"  value="CNM Portal" />
  <put name="bodytitle"  value="Home" />
  <put name="body"   value="/00-CNM_Landing.jsp" />
</definition>

public class TileForwardAction extends Action
{
public ActionForward execute(ActionMapping mapping, ActionForm arg1,
        HttpServletRequest arg2, HttpServletResponse arg3) throws Exception
{
    return mapping.findForward("theTile");
}
}

<action-mappings>

  <action 	path = "/index"
  			type = "com.bellsouth.snt.cnmp.ui.action.TileForwardAction"
			scope = "request"
        	input =	"cnmp.body.index"
        	parameter= "theTile"
    >
      <forward name="theTile" path="cnmp.body.index"/>
  </action>

<% String destAttr=(String)request.getAttribute("dest"); %>

<jsp:include page="<%=destAttr%>" flush="true" />

request.setAttribute("dest", "landingB.jsp");

<definition
  name="cnmp.body.index"
  extends="cnmp.mainLayout"
  controllerClass="org.yourpackage.YourControllerClass">
  <put name="title"  value="CNM Portal" />
  <put name="bodytitle"  value="Home" />
  <put name="body"   value="/00-CNM_Landing.jsp" />
</definition>

public class YourControllerClasss implements Controller
    public void perform(ComponentContext context,
      HttpServletRequest request,
      HttpServletResponse response,
      ServletContext servletContext)
      throws ServletException, IOException {

      //some logic to determine what the 'body' should be

      if (service.isUp()){
        request.setAttribute("nameOfJSPToImport", "/jsps/import-me.jsp");
      }else{
        request.setAttribute("nameOfJSPToImport", "/jsps/import-me-instead.jsp");
      }

    }
}

<c:import url="${nameOfJSPToImport}" />