@Override
public String buildRelativeHistoryToken(int level) {
List<PlaceRequest> placeHierarchyCopy = truncatePlaceHierarchy(level);
if (placeHierarchyCopy.size() == 0) {
return "";
}
return tokenFormatter.toHistoryToken(placeHierarchyCopy);
}
@Override
public void updateHistory(PlaceRequest request, boolean updateBrowserUrl) {
try {
// Make sure the request match
assert request.hasSameNameToken(getCurrentPlaceRequest())
: "Internal error, PlaceRequest passed to updateHistory doesn't match the tail of the place hierarchy.";
placeHierarchy.set(placeHierarchy.size() - 1, request);
if (updateBrowserUrl) {
String historyToken = tokenFormatter.toHistoryToken(placeHierarchy);
String browserHistoryToken = getBrowserHistoryToken();
if (browserHistoryToken == null || !browserHistoryToken.equals(historyToken)) {
setBrowserHistoryToken(historyToken, false);
}
saveHistoryToken(historyToken);
}
} catch (TokenFormatException e) {
// Do nothing.
}
}
@Override
public String buildRelativeHistoryToken(PlaceRequest request, int level) {
List<PlaceRequest> placeHierarchyCopy = truncatePlaceHierarchy(level);
placeHierarchyCopy.add(request);
return tokenFormatter.toHistoryToken(placeHierarchyCopy);
}