com.liferay.portal.struts
Interfaces 
InitializableActionForm
StrutsActionRegistry
Classes 
Action
ActionAdapter
ActionConstants
AJAXAction
AuthPublicPathRegistry
DynamicPortletAction
FindAction
JSONAction
LastPath
PortalRequestProcessor
PortalTilesPlugin
PortletAction
PortletActionAdapter
PortletActionServlet
PortletRequestProcessor
SessionAction
SimpleAction
StrutsActionAdapter
StrutsActionPortletURL
StrutsActionRegistryImpl
StrutsActionRegistryUtil
StrutsPortletActionAdapter
StrutsURLEncoder
StrutsUtil
TilesAttributeUtil
Exceptions 
ActionException