public NearbyStationsResult queryNearbyStations(
final Location location, final int maxDistance, final int maxStations) throws IOException {
if (location.hasLocation()) {
final StringBuilder uri = new StringBuilder(queryEndpoint);
uri.append(jsonNearbyStationsParameters(location, maxDistance, maxStations));
return jsonNearbyStations(uri.toString());
} else if (location.type == LocationType.STATION && location.hasId()) {
final StringBuilder uri = new StringBuilder(stationBoardEndpoint);
uri.append(xmlNearbyStationsParameters(location.id));
return xmlNearbyStations(uri.toString());
} else {
throw new IllegalArgumentException("cannot handle: " + location.toDebugString());
}
}
public NearbyStationsResult queryNearbyStations(
final Location location, final int maxDistance, final int maxStations) throws IOException {
final StringBuilder uri = new StringBuilder(API_BASE);
if (location.hasLocation()) {
uri.append("query.exe/dny");
uri.append("?performLocating=2&tpl=stop2json");
uri.append("&look_maxno=").append(maxStations != 0 ? maxStations : 200);
uri.append("&look_maxdist=").append(maxDistance != 0 ? maxDistance : 5000);
uri.append("&look_stopclass=").append(allProductsInt());
uri.append("&look_nv=get_stopweight|yes");
uri.append("&look_x=").append(location.lon);
uri.append("&look_y=").append(location.lat);
return jsonNearbyStations(uri.toString());
} else if (location.type == LocationType.STATION && location.hasId()) {
uri.append("bhftafel.exe/dn");
uri.append("?near=Anzeigen");
uri.append("&distance=").append(maxDistance != 0 ? maxDistance / 1000 : 50);
uri.append("&input=").append(location.id);
final CharSequence page = ParserUtils.scrape(uri.toString());
final Matcher m = P_NEARBY_STATIONS_BY_STATION.matcher(page);
final List<Location> stations = new ArrayList<Location>();
while (m.find()) {
final int sId = Integer.parseInt(m.group(1));
final String sName = ParserUtils.resolveEntities(m.group(2).trim());
final Location station = new Location(LocationType.STATION, sId, null, sName);
stations.add(station);
}
if (maxStations == 0 || maxStations >= stations.size())
return new NearbyStationsResult(null, stations);
else return new NearbyStationsResult(null, stations.subList(0, maxStations));
} else {
throw new IllegalArgumentException("cannot handle: " + location.toDebugString());
}
}
public NearbyStationsResult queryNearbyStations(
final Location location, final int maxDistance, final int maxStations) throws IOException {
if (location.hasLocation()) {
final StringBuilder uri = new StringBuilder(queryEndpoint);
uri.append(jsonNearbyStationsParameters(location, maxDistance, maxStations));
return jsonNearbyStations(uri.toString());
} else if (location.type == LocationType.STATION && location.hasId()) {
final StringBuilder uri = new StringBuilder(stationBoardEndpoint);
uri.append("?near=Anzeigen");
uri.append("&distance=").append(maxDistance != 0 ? maxDistance / 1000 : 50);
uri.append("&input=").append(location.id);
final CharSequence page = ParserUtils.scrape(uri.toString());
final Matcher mError = P_NEARBY_ERRORS.matcher(page);
if (mError.find()) {
if (mError.group(1) != null)
return new NearbyStationsResult(null, NearbyStationsResult.Status.INVALID_STATION);
}
final List<Location> stations = new ArrayList<Location>();
final Matcher mOwn = P_NEARBY_OWN.matcher(page);
if (mOwn.find()) {
final int parsedId = Integer.parseInt(mOwn.group(1));
final int parsedLon = (int) (Float.parseFloat(mOwn.group(2)) * 1E6);
final int parsedLat = (int) (Float.parseFloat(mOwn.group(3)) * 1E6);
final String[] parsedPlaceAndName =
splitPlaceAndName(ParserUtils.urlDecode(mOwn.group(4), ISO_8859_1));
stations.add(
new Location(
LocationType.STATION,
parsedId,
parsedLat,
parsedLon,
parsedPlaceAndName[0],
parsedPlaceAndName[1]));
}
final Matcher mPage = P_NEARBY_PAGE.matcher(page);
if (mPage.find()) {
final Matcher mCoarse = P_NEARBY_COARSE.matcher(mPage.group(1));
while (mCoarse.find()) {
final Matcher mFineLocation = P_NEARBY_FINE_LOCATION.matcher(mCoarse.group(1));
if (mFineLocation.find()) {
final int parsedId = Integer.parseInt(mFineLocation.group(1));
final String[] parsedPlaceAndName =
splitPlaceAndName(ParserUtils.resolveEntities(mFineLocation.group(2)));
final Location station =
new Location(
LocationType.STATION, parsedId, parsedPlaceAndName[0], parsedPlaceAndName[1]);
if (!stations.contains(station)) stations.add(station);
} else {
throw new IllegalArgumentException("cannot parse '" + mCoarse.group(1) + "' on " + uri);
}
}
if (maxStations == 0 || maxStations >= stations.size())
return new NearbyStationsResult(null, stations);
else return new NearbyStationsResult(null, stations.subList(0, maxStations));
} else {
throw new IllegalArgumentException("cannot parse '" + page + "' on " + uri);
}
} else {
throw new IllegalArgumentException("cannot handle: " + location.toDebugString());
}
}
private String connectionsQueryUri(
final Location from,
final Location via,
final Location to,
final Date date,
final boolean dep,
final String products) {
final Calendar c = new GregorianCalendar(timeZone());
c.setTime(date);
final StringBuilder uri = new StringBuilder();
uri.append(API_BASE).append("query.exe/dox");
uri.append("?REQ0HafasOptimize1=0:1");
uri.append("&REQ0JourneyStopsS0ID=").append(ParserUtils.urlEncode(locationId(from)));
uri.append("&REQ0JourneyStopsZ0ID=").append(ParserUtils.urlEncode(locationId(to)));
if (via != null) {
// workaround, for there does not seem to be a REQ0JourneyStops1.0ID parameter
uri.append("&REQ0JourneyStops1.0A=").append(locationType(via));
if (via.type == LocationType.STATION && via.hasId() && isValidStationId(via.id)) {
uri.append("&REQ0JourneyStops1.0L=").append(via.id);
} else if (via.hasLocation()) {
uri.append("&REQ0JourneyStops1.0X=").append(via.lon);
uri.append("&REQ0JourneyStops1.0Y=").append(via.lat);
if (via.name == null)
uri.append("&REQ0JourneyStops1.0O=")
.append(
ParserUtils.urlEncode(
String.format(Locale.ENGLISH, "%.6f, %.6f", via.lat / 1E6, via.lon / 1E6)));
} else if (via.name != null) {
uri.append("&REQ0JourneyStops1.0G=").append(ParserUtils.urlEncode(via.name));
if (via.type != LocationType.ANY) uri.append('!');
}
}
uri.append("&REQ0HafasSearchForw=").append(dep ? "1" : "0");
uri.append("&REQ0JourneyDate=")
.append(
String.format(
"%02d.%02d.%02d",
c.get(Calendar.DAY_OF_MONTH),
c.get(Calendar.MONTH) + 1,
c.get(Calendar.YEAR) - 2000));
uri.append("&REQ0JourneyTime=")
.append(String.format("%02d:%02d", c.get(Calendar.HOUR_OF_DAY), c.get(Calendar.MINUTE)));
uri.append("&REQ0Tariff_Class=2");
uri.append("&REQ0Tariff_TravellerAge.1=35");
uri.append("&REQ0Tariff_TravellerReductionClass.1=0");
uri.append("&existOptimizePrice=1");
uri.append("&existProductNahverkehr=yes");
uri.append("&start=Suchen");
if (products != null) {
for (final char p : products.toCharArray()) {
if (p == 'I') {
uri.append(
"&REQ0JourneyProduct_prod_section_0_0=1&REQ0JourneyProduct_prod_section_0_1=1");
if (via != null)
uri.append(
"&REQ0JourneyProduct_prod_section_1_0=1&REQ0JourneyProduct_prod_section_1_1=1");
}
if (p == 'R') {
uri.append(
"&REQ0JourneyProduct_prod_section_0_2=1&REQ0JourneyProduct_prod_section_0_3=1");
if (via != null)
uri.append(
"&REQ0JourneyProduct_prod_section_1_2=1&REQ0JourneyProduct_prod_section_1_3=1");
}
if (p == 'S') {
uri.append("&REQ0JourneyProduct_prod_section_0_4=1");
if (via != null) uri.append("&REQ0JourneyProduct_prod_section_1_4=1");
}
if (p == 'U') {
uri.append("&REQ0JourneyProduct_prod_section_0_7=1");
if (via != null) uri.append("&REQ0JourneyProduct_prod_section_1_7=1");
}
if (p == 'T') {
uri.append("&REQ0JourneyProduct_prod_section_0_8=1");
if (via != null) uri.append("&REQ0JourneyProduct_prod_section_1_8=1");
}
if (p == 'B') {
uri.append("&REQ0JourneyProduct_prod_section_0_5=1");
if (via != null) uri.append("&REQ0JourneyProduct_prod_section_1_5=1");
}
if (p == 'P') {
uri.append("&REQ0JourneyProduct_prod_section_0_9=1");
if (via != null) uri.append("&REQ0JourneyProduct_prod_section_1_9=1");
}
if (p == 'F') {
uri.append("&REQ0JourneyProduct_prod_section_0_6=1");
if (via != null) uri.append("&REQ0JourneyProduct_prod_section_1_6=1");
}
// FIXME if (p == 'C')
}
}
return uri.toString();
}