| Class Summary | 
| ActionBase | This is the base class for all 'Action' classes | 
| FormBase | This is the base class for all the 'Form' classes | 
| FormKey | This object is returned by the event handlers. | 
| FormKeyChangeEvent | This event is typically created by the ActionBase when processing an event for a component, that has a ContainerFormKey. | 
| HistoryNav | This is a helper class for marshalling the HistoryNavList into XML and vice versa. | 
| PortletFilter | This servlet filter is a replacement for the JAFFA PortletServlet and the portlet.security  package. | 
| StartComponentAction | This Action invokes the component passed in the request-stream
 The internal parameters that can be passed are
      component -> The name of the component to execute
      finalUrl -> The place to go after executing the component. |