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());
}
}