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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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55
src/de/schildbach/pte/BahnProvider.java
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@ -73,8 +73,6 @@ public final class BahnProvider extends AbstractHafasProvider
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
.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)
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);
final CharSequence page = ParserUtils.scrape(uri);
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_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 List<Location> stations = new ArrayList<Location>();
while (m.find())
{
final int sId = Integer.parseInt(m.group(1));
@ -104,32 +117,12 @@ public final class BahnProvider extends AbstractHafasProvider
final Location station = new Location(LocationType.STATION, sId, null, sName);
stations.add(station);
}
if (maxStations == 0 || maxStations >= stations.size())
return new NearbyStationsResult(stations);
else
return new NearbyStationsResult(stations.subList(0, maxStations));
}
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())
return new NearbyStationsResult(stations);
else
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,