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nearby stations by coordinate for Germany

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git-svn-id: https://public-transport-enabler.googlecode.com/svn/trunk@616 0924bc21-9374-b0fa-ee44-9ff1593b38f0
This commit is contained in:
andreas.schildbach@gmail.com 2011-05-07 13:42:24 +00:00
parent 7dfdd26481
commit 91bf6a0199
1 changed files with 24 additions and 31 deletions
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47
src/de/schildbach/pte/BahnProvider.java
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@ -73,8 +73,6 @@ public final class BahnProvider extends AbstractHafasProvider
return jsonGetStops(uri); return jsonGetStops(uri);
} }
private final static Pattern P_NEARBY_STATIONS_BY_COORDINATE = Pattern
.compile("<a class=\"uLine\" href=\".+?!X=(\\d+)!Y=(\\d+)!id=(\\d+)!dist=(\\d+).*?\">(.+?)</a>");
private final static Pattern P_NEARBY_STATIONS_BY_STATION = Pattern private final static Pattern P_NEARBY_STATIONS_BY_STATION = Pattern
.compile("<a href=\"http://mobile\\.bahn\\.de/bin/mobil/bhftafel.exe/dn[^\"]*?evaId=(\\d*)&[^\"]*?\">([^<]*)</a>"); .compile("<a href=\"http://mobile\\.bahn\\.de/bin/mobil/bhftafel.exe/dn[^\"]*?evaId=(\\d*)&[^\"]*?\">([^<]*)</a>");
@ -88,14 +86,29 @@ public final class BahnProvider extends AbstractHafasProvider
public NearbyStationsResult nearbyStations(final String stationId, final int lat, final int lon, final int maxDistance, final int maxStations) public NearbyStationsResult nearbyStations(final String stationId, final int lat, final int lon, final int maxDistance, final int maxStations)
throws IOException throws IOException
{ {
final List<Location> stations = new ArrayList<Location>(); final StringBuilder uri = new StringBuilder(API_BASE);
if (lat == 0 && lon == 0) if (lat != 0 || lon != 0)
{ {
final String uri = API_BASE + "bhftafel.exe/dn?near=Anzeigen&distance=50&input=" + ParserUtils.urlEncode(stationId); uri.append("query.exe/dny");
final CharSequence page = ParserUtils.scrape(uri); 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_x=").append(lon);
uri.append("&look_y=").append(lat);
return jsonNearbyStations(uri.toString());
}
else
{
uri.append("bhftafel.exe/dn?near=Anzeigen&distance=50&input=").append(ParserUtils.urlEncode(stationId));
final CharSequence page = ParserUtils.scrape(uri.toString());
final Matcher m = P_NEARBY_STATIONS_BY_STATION.matcher(page); final Matcher m = P_NEARBY_STATIONS_BY_STATION.matcher(page);
final List<Location> stations = new ArrayList<Location>();
while (m.find()) while (m.find())
{ {
final int sId = Integer.parseInt(m.group(1)); final int sId = Integer.parseInt(m.group(1));
@ -104,33 +117,13 @@ public final class BahnProvider extends AbstractHafasProvider
final Location station = new Location(LocationType.STATION, sId, null, sName); final Location station = new Location(LocationType.STATION, sId, null, sName);
stations.add(station); stations.add(station);
} }
}
else
{
final String uri = API_BASE + "query.exe/dox" + "?performLocating=2&tpl=stopsnear&look_maxdist=" + (maxDistance > 0 ? maxDistance : 5000)
+ "&look_stopclass=" + allProductsInt() + "&look_x=" + lon + "&look_y=" + lat;
System.out.println(uri);
final CharSequence page = ParserUtils.scrape(uri);
final Matcher m = P_NEARBY_STATIONS_BY_COORDINATE.matcher(page);
while (m.find())
{
final int sId = Integer.parseInt(m.group(3));
final int sLon = Integer.parseInt(m.group(1));
final int sLat = Integer.parseInt(m.group(2));
final String sName = ParserUtils.resolveEntities(m.group(5).trim());
final Location station = new Location(LocationType.STATION, sId, sLat, sLon, null, sName);
stations.add(station);
}
}
if (maxStations == 0 || maxStations >= stations.size()) if (maxStations == 0 || maxStations >= stations.size())
return new NearbyStationsResult(stations); return new NearbyStationsResult(stations);
else else
return new NearbyStationsResult(stations.subList(0, maxStations)); return new NearbyStationsResult(stations.subList(0, maxStations));
} }
}
private String connectionsQueryUri(final Location from, final Location via, final Location to, final Date date, final boolean dep, private String connectionsQueryUri(final Location from, final Location via, final Location to, final Date date, final boolean dep,
final String products) final String products)