Authenticate a user. This methods expects from the request the following form parameters:
- {@link #USER_ID}: the ID of the user
- {@link #PASSWORD}: The user's password.
If the user is authenticated, this method will notify all the portlet by calling {@link net.sf.jportlet.portlet.Portlet#login()}
@param request
@return
true
if the user is logged in
@throws PortletServiceException if any error occurs