config-prettyfaces/src/main/java/com/ocpsoft/pretty/PrettyContext.java
public static boolean isInstantiated(final ServletRequest request)
   {
      Assert.notNull(request, "HttpServletRequest argument was null");
      PrettyContext prettyContext = (PrettyContext) request.getAttribute(CONTEXT_REQUEST_KEY);
      if (prettyContext instanceof PrettyContext)
      {
         return true;
      }
      else
      {
         return false;
      }
   }
public static boolean isInstantiated(final ServletRequest request)
   {
      Assert.notNull(request, "HttpServletRequest argument was null");
      PrettyContext prettyContext = (PrettyContext) request.getAttribute(CONTEXT_REQUEST_KEY);
      if (prettyContext instanceof PrettyContext)
      {
         return true;
      }
      else
      {
         return false;
      }
   }
Return true if there is an instantiated {@link PrettyContext} contained in
the current given request object.