getHeader(String name) The following methods of the HttpServletRequest must be based on the
properties provided by the getProperties method of the PortletRequest
interface.
getParameter(String name) The following methods of the HttpServletRequest must be equivalent to the
methods of the PortletRequest of similar names with the provision defined
in Section PLT.16.1.1 "Query Strings in Request Dispatcher Paths".
getPathInfo() The following methods of the HttpServletRequest must return the path and
query string information used to obtain the PortletRequestDispatcher
object.
The following methods of the HttpServletRequest must be equivalent to the
methods of the PortletRequest of similar names with the provision defined
in Section PLT.16.1.1 "Query Strings in Request Dispatcher Paths".