PortletEntity entity = getPortletEntity(request);
String prefString= request.getParameter("selectedPref");
String newValue = request.getParameter("newPrefValue");
String prefName = prefString.split("::")[1];
PreferenceComposite pref = (PreferenceComposite) entity.getPreferenceSet().get(prefName);
pref.addValue(newValue);
}
protected final void doRemovePref(ActionRequest request, ActionResponse response) throws PortletException
{
PortletEntity entity = getPortletEntity(request);