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extract nearby station scanning to hafas superclass

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git-svn-id: https://public-transport-enabler.googlecode.com/svn/trunk@221 0924bc21-9374-b0fa-ee44-9ff1593b38f0
This commit is contained in:
andreas.schildbach 2010-10-02 17:33:32 +00:00
parent f7a6b7497f
commit 868a7bbc05
10 changed files with 198 additions and 119 deletions
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41
src/de/schildbach/pte/OebbProvider.java
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@ -34,7 +34,7 @@ import org.json.JSONObject;
import de.schildbach.pte.QueryDeparturesResult.Status;
public class OebbProvider implements NetworkProvider
public class OebbProvider extends AbstractHafasProvider
{
public static final String NETWORK_ID = "fahrplan.oebb.at";
public static final String API_BASE = "http://fahrplan.oebb.at/bin/";
@ -121,43 +121,12 @@ public class OebbProvider implements NetworkProvider
}
}
private final String NEARBY_URI = API_BASE + "stboard.exe/dn?distance=50&near=Suchen&input=%d";
private final static Pattern P_NEARBY_COARSE = Pattern.compile("<tr class=\"zebracol-\\d\">(.*?)</tr>", Pattern.DOTALL);
private final static Pattern P_NEARBY_FINE = Pattern.compile(".*?stboard\\.exe/.*?&input=.*?%23(\\d+)&.*?>(.*?)</a>.*?", Pattern.DOTALL);
private final String NEARBY_URI = API_BASE + "stboard.exe/dn?distance=50&near=Suchen&input=%s";
public List<Station> nearbyStations(final String stationId, final int lat, final int lon, final int maxDistance, final int maxStations)
throws IOException
@Override
protected String nearbyStationUri(final String stationId)
{
if (stationId == null)
throw new IllegalArgumentException("stationId must be given");
final List<Station> stations = new ArrayList<Station>();
final String uri = String.format(NEARBY_URI, stationId);
final CharSequence page = ParserUtils.scrape(uri);
final Matcher mCoarse = P_NEARBY_COARSE.matcher(page);
while (mCoarse.find())
{
final Matcher mFine = P_NEARBY_FINE.matcher(mCoarse.group(1));
if (mFine.matches())
{
final int parsedId = Integer.parseInt(mFine.group(1));
final String parsedName = ParserUtils.resolveEntities(mFine.group(2));
final Station station = new Station(parsedId, parsedName, 0, 0, 0, null, null);
stations.add(station);
}
else
{
throw new IllegalArgumentException("cannot parse '" + mCoarse.group(1) + "' on " + uri);
}
}
if (maxStations == 0 || maxStations >= stations.size())
return stations;
else
return stations.subList(0, maxStations);
return String.format(NEARBY_URI, stationId);
}
public StationLocationResult stationLocation(final String stationId) throws IOException