public static void setTour(HttpSession session, int tour) {
if (SessionManager.isOnTour(session) && tour == 0) {
System.out.println("*** Info, closing site tour");
session.setAttribute("onTour", false);
session.removeAttribute("tourStep");
session.removeAttribute("tourQuery");
} else if (!SessionManager.isOnTour(session) && tour > 0) {
session.setAttribute("onTour", true);
session.setAttribute("tourStep", 0);
}
if (SessionManager.isOnTour(session) && tour != (int) session.getAttribute("tourStep")) {
session.setAttribute("tourStep", tour);
}
}
public static Query getQuery(HttpSession session, String queryId, int from) {
if (from == 0 && SessionManager.isOnTour(session)) { // tour
return (Query) session.getAttribute("tourQuery");
} else if (from <= 4) { // search
@SuppressWarnings("unchecked")
List<Query> queries = (List<Query>) session.getAttribute("queries");
if (queries != null) {
for (int i = 0; i < queries.size(); i++) {
Query query = queries.get(i);
if (query.getId().equals(queryId)) return query;
}
}
} else if (from == 5) { // explore/statistics
Query statsQuery = (Query) session.getAttribute("statsQuery");
if (statsQuery != null && statsQuery.getId().equals(queryId)) return statsQuery;
else session.removeAttribute("statsQuery");
} else if (from == 6) { // explore/ngrams
Query ngramsQuery = (Query) session.getAttribute("ngramsQuery");
if (ngramsQuery != null && ngramsQuery.getId().equals(queryId)) return ngramsQuery;
else session.removeAttribute("ngramsQuery");
}
return null;
}
public static int getTourStep(HttpSession session) {
if (SessionManager.isOnTour(session) && session.getAttribute("tourStep") != null)
return (int) session.getAttribute("tourStep");
return 0;
}