Examples with DetailLevel org.onebusaway.api.actions.siri.model.DetailLevel used on opensource projects

Example 6 with DetailLevel

use of org.onebusaway.api.actions.siri.model.DetailLevel in project onebusaway-application-modules by camsys.

the class LinesRequestV2Action method index.

public DefaultHttpHeaders index() throws IOException {
    long responseTimestamp = getTime();
    processGoogleAnalytics();
    _realtimeService.setTime(responseTimestamp);
    boolean useLineRefOnly = false;
    Boolean upcomingServiceAllStops = null;
    CoordinateBounds bounds = null;
    boolean validBoundDistance = true;
    // User Parameters
    String boundingBox = _request.getParameter(BOUNDING_BOX);
    String circle = _request.getParameter(CIRCLE);
    String lineRef = _request.getParameter(LINE_REF);
    String directionId = _request.getParameter(DIRECTION_REF);
    String agencyId = _request.getParameter(OPERATOR_REF);
    String hasUpcomingScheduledService = _request.getParameter(UPCOMING_SCHEDULED_SERVICE);
    String detailLevelParam = _request.getParameter(LINES_DETAIL_LEVEL);
    String includePolylines = _request.getParameter(INCLUDE_POLYLINES);
    // get the detail level parameter or set it to default if not specified
    DetailLevel detailLevel;
    if (DetailLevel.contains(detailLevelParam)) {
        detailLevel = DetailLevel.valueOf(detailLevelParam.toUpperCase());
    } else {
        detailLevel = DetailLevel.NORMAL;
    }
    // Error Strings
    String routeIdsErrorString = "";
    String boundsErrorString = "";
    /*
     * We need to support the user providing no agency id which means 'all
     * agencies'. So, this array will hold a single agency if the user
     * provides it or all agencies if the user provides none. We'll iterate
     * over them later while querying for vehicles and routes
     */
    List<String> agencyIds = processAgencyIds(agencyId);
    List<AgencyAndId> routeIds = new ArrayList<AgencyAndId>();
    routeIdsErrorString = processRouteIds(lineRef, routeIds, agencyIds);
    // Calculate Bounds
    try {
        if (StringUtils.isNotBlank(circle)) {
            bounds = getCircleBounds(circle);
            if (bounds != null && !isValidBoundsDistance(bounds, MAX_BOUNDS_RADIUS)) {
                boundsErrorString += "Provided values exceed allowed search radius of " + MAX_BOUNDS_RADIUS + "m. ";
                validBoundDistance = false;
            }
        } else if (StringUtils.isNotBlank(boundingBox)) {
            bounds = getBoxBounds(boundingBox);
            if (bounds != null && !isValidBoundBoxDistance(bounds, MAX_BOUNDS_DISTANCE)) {
                boundsErrorString += "Provided values exceed allowed search distance of " + MAX_BOUNDS_DISTANCE + "m. ";
                validBoundDistance = false;
            }
        }
    } catch (NumberFormatException nfe) {
        boundsErrorString += ERROR_NON_NUMERIC;
    }
    // Check for case where only LineRef was provided
    if (routeIds.size() > 0) {
        useLineRefOnly = true;
    } else if (bounds == null) {
        boundsErrorString += ERROR_REQUIRED_PARAMS;
    }
    // Setup Filters
    Map<Filters, String> filters = new HashMap<Filters, String>();
    filters.put(Filters.DIRECTION_REF, directionId);
    filters.put(Filters.LINE_REF, lineRef);
    filters.put(Filters.INCLUDE_POLYLINES, includePolylines);
    filters.put(Filters.UPCOMING_SCHEDULED_SERVICE, hasUpcomingScheduledService);
    // Annotated Lines
    List<AnnotatedLineStructure> lines = new ArrayList<AnnotatedLineStructure>();
    Map<Boolean, List<AnnotatedLineStructure>> linesMap;
    // Error Handler
    Exception error = null;
    if ((bounds == null && !useLineRefOnly) || (lineRef != null && routeIds.size() == 0) || !validBoundDistance) {
        String errorString = (boundsErrorString + " " + routeIdsErrorString).trim();
        error = new Exception(errorString);
    } else {
        if (useLineRefOnly) {
            linesMap = _realtimeService.getAnnotatedLineStructures(agencyIds, routeIds, detailLevel, responseTimestamp, filters);
        } else {
            linesMap = _realtimeService.getAnnotatedLineStructures(agencyIds, bounds, detailLevel, responseTimestamp, filters);
        }
        for (Map.Entry<Boolean, List<AnnotatedLineStructure>> entry : linesMap.entrySet()) {
            upcomingServiceAllStops = entry.getKey();
            lines.addAll(entry.getValue());
        }
    }
    _response = generateSiriResponse(lines, upcomingServiceAllStops, error, responseTimestamp);
    try {
        this._servletResponse.getWriter().write(getLines());
    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}