com.liferay.portal.action
Classes 
ChangePasswordAction
CSSCachedAction
JavaScriptCachedAction
JSONServiceAction
LayoutAction
LoginAction
LogoutAction
OpenIdRequestAction
OpenIdResponseAction
RenderPortletAction
RESTProxyAction
ReverseAjaxAction
SessionClickAction
SessionTreeJSClickAction
TCKAction
TestAction
TestRedirectAction
UpdateLayoutAction
UpdateTermsOfUseAction