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scan for nearby stations by station

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git-svn-id: https://public-transport-enabler.googlecode.com/svn/trunk@455 0924bc21-9374-b0fa-ee44-9ff1593b38f0
This commit is contained in:
andreas.schildbach@gmail.com 2011-01-15 15:20:31 +00:00
parent 4c23d61d8a
commit aa889974b2
1 changed files with 35 additions and 18 deletions
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53
src/de/schildbach/pte/BahnProvider.java
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@ -67,8 +67,10 @@ public final class BahnProvider extends AbstractHafasProvider
return true;
}
private final static Pattern P_NEARBY_STATIONS = Pattern
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>");
@Override
protected String nearbyStationUri(final String stationId)
@ -80,27 +82,42 @@ 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
{
if (lat == 0 && lon == 0)
throw new IllegalArgumentException("lat/lon must be given");
final List<Station> stations = new ArrayList<Station>();
final String uri = API_BASE + "query.exe/dox" + "?performLocating=2&tpl=stopsnear&look_maxdist=" + (maxDistance > 0 ? maxDistance : 5000)
+ "&look_stopclass=1023" + "&look_x=" + lon + "&look_y=" + lat;
final CharSequence page = ParserUtils.scrape(uri);
final Matcher m = P_NEARBY_STATIONS.matcher(page);
while (m.find())
if (lat == 0 && lon == 0)
{
final int sId = Integer.parseInt(m.group(3));
final String uri = API_BASE + "bhftafel.exe/dn?near=Anzeigen&distance=50&input=" + ParserUtils.urlEncode(stationId);
final CharSequence page = ParserUtils.scrape(uri);
final int sLon = Integer.parseInt(m.group(1));
final int sLat = Integer.parseInt(m.group(2));
final int sDist = Integer.parseInt(m.group(4));
final String sName = ParserUtils.resolveEntities(m.group(5).trim());
final Matcher m = P_NEARBY_STATIONS_BY_STATION.matcher(page);
while (m.find())
{
final int sId = Integer.parseInt(m.group(1));
final String sName = ParserUtils.resolveEntities(m.group(2).trim());
final Station station = new Station(sId, null, sName, null, sLat, sLon, sDist, null, null);
stations.add(station);
final Station station = new Station(sId, null, sName, null, 0, 0, 0, null, null);
stations.add(station);
}
}
else
{
final String uri = API_BASE + "query.exe/dox" + "?performLocating=2&tpl=stopsnear&look_maxdist=" + (maxDistance > 0 ? maxDistance : 5000)
+ "&look_stopclass=1023" + "&look_x=" + lon + "&look_y=" + lat;
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 int sDist = Integer.parseInt(m.group(4));
final String sName = ParserUtils.resolveEntities(m.group(5).trim());
final Station station = new Station(sId, null, sName, null, sLat, sLon, sDist, null, null);
stations.add(station);
}
}
if (maxStations == 0 || maxStations >= stations.size())
@ -509,7 +526,7 @@ public final class BahnProvider extends AbstractHafasProvider
private static final Pattern P_NORMALIZE_LINE_NUMBER = Pattern.compile("\\d{2,5}");
private static final Pattern P_NORMALIZE_LINE = Pattern.compile("([A-Za-zÄÖÜäöüßáàâéèêíìîóòôúùû]+)[\\s-]*(.*)");
private static final Pattern P_NORMALIZE_LINE_RUSSIA = Pattern.compile("(?:D\\s*)?(\\d{1,3}[A-Z]{2})");
private static final Pattern P_NORMALIZE_LINE_RUSSIA = Pattern.compile("(?:D\\s*)?(\\d{1,3}(?:[A-Z]{2}|Y))");
private static final Pattern P_NORMALIZE_LINE_SBAHN = Pattern.compile("S\\w*\\d+");
private static String normalizeLine(final String line)