reading denote objects mapped quickness templates

i have struts + quickness structure example, chairman class, whose ability car vigilant (with the possess getter/setter methods) mapped quickness form submits an action, controlling modeldriven getmodel structure.

i put symbol form shows "view car" car ability zero car.id != 0 arrangement another symbol "choose car" car zero car.id = 0.

how i formula this. i attempted something template file:

#if($car != null)
  #ssubmit("name=view" "value=view car")
#else
  #ssubmit("name=new" "value=choose car")
#end

but i keep removing blunder zero value #if line.

i also combined boolean slight hascar() chairman try, nonetheless i can't opening i don't know why.

and quickness + struts tutorials challenging have good information.

thanks