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scan stations nearby given station (rather than just lat/lon)

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git-svn-id: https://public-transport-enabler.googlecode.com/svn/trunk@169 0924bc21-9374-b0fa-ee44-9ff1593b38f0
This commit is contained in:
andreas.schildbach 2010-09-20 12:00:20 +00:00
parent 6ba4ad8395
commit 9f5e011511
9 changed files with 208 additions and 32 deletions
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10
src/de/schildbach/pte/BahnProvider.java
View file

@ -79,14 +79,18 @@ public final class BahnProvider implements NetworkProvider
private final static Pattern P_NEARBY_STATIONS = Pattern
.compile("<a class=\"uLine\" href=\".+?!X=(\\d+)!Y=(\\d+)!id=(\\d+)!dist=(\\d+).*?\">(.+?)</a>");
public List<Station> nearbyStations(final double lat, final double lon, final int maxDistance, final int maxStations) throws IOException
public List<Station> nearbyStations(final String stationId, final double lat, final double 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 url = "http://mobile.bahn.de/bin/mobil/query.exe/dox" + "?performLocating=2&tpl=stopsnear&look_maxdist="
+ (maxDistance > 0 ? maxDistance : 5000) + "&look_stopclass=1023" + "&look_x=" + latLonToInt(lon) + "&look_y=" + latLonToInt(lat);
final CharSequence page = ParserUtils.scrape(url);
final List<Station> stations = new ArrayList<Station>();
final Matcher m = P_NEARBY_STATIONS.matcher(page);
while (m.find())
{

22
src/de/schildbach/pte/MvvProvider.java
View file

@ -91,14 +91,24 @@ public class MvvProvider implements NetworkProvider
return results;
}
private static final String NEARBY_URI = "http://efa.mvv-muenchen.de/ultralite/XML_DM_REQUEST"
private static final String NEARBY_LATLON_URI = "http://efa.mvv-muenchen.de/ultralite/XML_DM_REQUEST"
+ "?mode=direct&coordOutputFormat=WGS84&mergeDep=1&useAllStops=1&name_dm=%2.6f:%2.6f:WGS84&type_dm=coord&itOptionsActive=1&ptOptionsActive=1&useProxFootSearch=1&excludedMeans=checkbox";
private final String NEARBY_STATION_URI = "http://efa.mvv-muenchen.de/ultralite/XML_DM_REQUEST"
+ "?mode=direct&coordOutputFormat=WGS84&mergeDep=1&useAllStops=1&name_dm=%d&type_dm=stop&itOptionsActive=1&ptOptionsActive=1&useProxFootSearch=1&excludedMeans=checkbox";
private static final Pattern P_NEARBY_COARSE = Pattern.compile("<dp>(.*?)</dp>");
private static final Pattern P_NEARBY_FINE = Pattern.compile(".*?<n>(.*?)</n>.*?<r>.*?<id>(.*?)</id>.*?</r>.*?<c>(\\d+),(\\d+)</c>.*?");
private static final Pattern P_NEARBY_FINE = Pattern.compile(".*?<n>(.*?)</n>.*?<r>.*?<id>(.*?)</id>.*?</r>.*?(?:<c>(\\d+),(\\d+)</c>.*?)?");
public List<Station> nearbyStations(final double lat, final double lon, final int maxDistance, final int maxStations) throws IOException
public List<Station> nearbyStations(final String stationId, final double lat, final double lon, final int maxDistance, final int maxStations)
throws IOException
{
final String uri = String.format(NEARBY_URI, lon, lat);
String uri;
if (lat != 0 || lon != 0)
uri = String.format(NEARBY_LATLON_URI, lon, lat);
else if (stationId != null)
uri = String.format(NEARBY_STATION_URI, stationId);
else
throw new IllegalArgumentException("at least one of stationId or lat/lon must be given");
final CharSequence page = ParserUtils.scrape(uri);
final List<Station> stations = new ArrayList<Station>();
@ -111,8 +121,8 @@ public class MvvProvider implements NetworkProvider
{
final String sName = mNearbyFine.group(1).trim();
final int sId = Integer.parseInt(mNearbyFine.group(2));
final double sLon = latLonToDouble(Integer.parseInt(mNearbyFine.group(3)));
final double sLat = latLonToDouble(Integer.parseInt(mNearbyFine.group(4)));
final double sLon = mNearbyFine.group(3) != null ? latLonToDouble(Integer.parseInt(mNearbyFine.group(3))) : 0;
final double sLat = mNearbyFine.group(4) != null ? latLonToDouble(Integer.parseInt(mNearbyFine.group(4))) : 0;
final Station station = new Station(sId, sName, sLat, sLon, 0, null, null);
stations.add(station);

10
src/de/schildbach/pte/NetworkProvider.java
View file

@ -56,12 +56,14 @@ public interface NetworkProvider
List<Autocomplete> autocompleteStations(CharSequence constraint) throws IOException;
/**
* Determine stations near to given location
* Determine stations near to given location. At least one of stationId or lat/lon pair must be given.
*
* @param stationId
* id of station to look up nearby stations (optional)
* @param lat
* latitude
* latitude (optional)
* @param lon
* longitude
* longitude (optional)
* @param maxDistance
* maximum distance in meters, or {@code 0}
* @param maxStations
@ -69,7 +71,7 @@ public interface NetworkProvider
* @return nearby stations
* @throws IOException
*/
List<Station> nearbyStations(double lat, double lon, int maxDistance, int maxStations) throws IOException;
List<Station> nearbyStations(String stationId, double lat, double lon, int maxDistance, int maxStations) throws IOException;
/**
* Look up location of station.

38
src/de/schildbach/pte/OebbProvider.java
View file

@ -56,9 +56,43 @@ public class OebbProvider implements NetworkProvider
return results;
}
public List<Station> nearbyStations(final double lat, final double lon, final int maxDistance, final int maxStations) throws IOException
private final String NEARBY_URI = "http://fahrplan.oebb.at/bin/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);
public List<Station> nearbyStations(final String stationId, final double lat, final double lon, final int maxDistance, final int maxStations)
throws IOException
{
throw new UnsupportedOperationException();
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);
}
public StationLocationResult stationLocation(final String stationId) throws IOException

62
src/de/schildbach/pte/RmvProvider.java
View file

@ -81,22 +81,62 @@ public class RmvProvider implements NetworkProvider
private final static Pattern P_NEARBY_STATIONS = Pattern.compile("<a href=\"/auskunft/bin/jp/stboard.exe/dox.+?input=(\\d+).*?\">\\n"
+ "(.+?)\\s*\\((\\d+) m/[A-Z]+\\)\\n</a>", Pattern.DOTALL);
public List<Station> nearbyStations(final double lat, final double lon, final int maxDistance, final int maxStations) throws IOException
{
final String url = "http://www.rmv.de/auskunft/bin/jp/stboard.exe/dox?input=" + lat + "%20" + lon;
final CharSequence page = ParserUtils.scrape(url);
private final String NEARBY_URI = "http://www.rmv.de/auskunft/bin/jp/stboard.exe/dn?L=vs_rmv&distance=50&near&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(".*?auskunft/bin/jp/stboard\\.exe/dn\\?L=vs_rmv&input=(\\d+).*?"
+ "&REQMapRoute0\\.Location0\\.X=(-?\\d+)&REQMapRoute0\\.Location0\\.Y=(-?\\d+)" //
+ "&REQMapRoute0\\.Location0\\.Name=(.*?)\">.*?", Pattern.DOTALL);
public List<Station> nearbyStations(final String stationId, final double lat, final double lon, final int maxDistance, final int maxStations)
throws IOException
{
final List<Station> stations = new ArrayList<Station>();
final Matcher m = P_NEARBY_STATIONS.matcher(page);
while (m.find())
if (lat != 0 || lon != 0)
{
final int sId = Integer.parseInt(m.group(1));
final String sName = ParserUtils.resolveEntities(m.group(2));
final int sDist = Integer.parseInt(m.group(3));
final String url = "http://www.rmv.de/auskunft/bin/jp/stboard.exe/dox?input=" + lat + "%20" + lon;
final CharSequence page = ParserUtils.scrape(url);
final Station station = new Station(sId, sName, 0, 0, sDist, null, null);
stations.add(station);
final Matcher m = P_NEARBY_STATIONS.matcher(page);
while (m.find())
{
final int sId = Integer.parseInt(m.group(1));
final String sName = ParserUtils.resolveEntities(m.group(2));
final int sDist = Integer.parseInt(m.group(3));
final Station station = new Station(sId, sName, 0, 0, sDist, null, null);
stations.add(station);
}
}
else if (stationId != null)
{
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 double parsedLon = latLonToDouble(Integer.parseInt(mFine.group(2)));
final double parsedLat = latLonToDouble(Integer.parseInt(mFine.group(3)));
final String parsedName = ParserUtils.resolveEntities(mFine.group(4));
final Station station = new Station(parsedId, parsedName, parsedLat, parsedLon, 0, null, null);
stations.add(station);
}
else
{
throw new IllegalArgumentException("cannot parse '" + mCoarse.group(1) + "' on " + uri);
}
}
}
else
{
throw new IllegalArgumentException("at least one of stationId or lat/lon must be given");
}
if (maxStations == 0 || maxStations >= stations.size())

46
src/de/schildbach/pte/SbbProvider.java
View file

@ -78,9 +78,51 @@ public class SbbProvider implements NetworkProvider
return results;
}
public List<Station> nearbyStations(final double lat, final double lon, final int maxDistance, final int maxStations) throws IOException
private final static String NEARBY_URI = "http://fahrplan.sbb.ch/bin/bhftafel.exe/dn?input=%d&distance=50&near=Anzeigen";
private final static Pattern P_NEARBY_COARSE = Pattern.compile("<tr class=\"zebra-row-\\d\">(.*?)</tr>", Pattern.DOTALL);
private final static Pattern P_NEARBY_FINE = Pattern.compile(".*?&REQMapRoute0\\.Location0\\.X=(-?\\d+)&REQMapRoute0\\.Location0\\.Y=(-?\\d+)"
+ "&REQMapRoute0\\.Location0\\.Name=(.*?)&sturl=.*?dn\\?input=(\\d+).*?", Pattern.DOTALL);
public List<Station> nearbyStations(final String stationId, final double lat, final double lon, final int maxDistance, final int maxStations)
throws IOException
{
throw new UnsupportedOperationException();
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 double parsedLon = latLonToDouble(Integer.parseInt(mFine.group(1)));
final double parsedLat = latLonToDouble(Integer.parseInt(mFine.group(2)));
final String parsedName = ParserUtils.resolveEntities(mFine.group(3));
final int parsedId = Integer.parseInt(mFine.group(4));
final Station station = new Station(parsedId, parsedName, parsedLat, parsedLon, 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);
}
private static double latLonToDouble(int value)
{
return (double) value / 1000000;
}
public StationLocationResult stationLocation(final String stationId) throws IOException

46
src/de/schildbach/pte/SncbProvider.java
View file

@ -27,9 +27,51 @@ public class SncbProvider implements NetworkProvider
throw new UnsupportedOperationException();
}
public List<Station> nearbyStations(final double lat, final double lon, final int maxDistance, final int maxStations) throws IOException
private final String NEARBY_URI = "http://hari.b-rail.be/HAFAS/bin/stboard.exe/en?input=%d&distance=50&near=Anzeigen";
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(".*?&REQMapRoute0\\.Location0\\.X=(-?\\d+)&REQMapRoute0\\.Location0\\.Y=(-?\\d+)"
+ "&REQMapRoute0\\.Location0\\.Name=(.*?)\">.*?en\\?input=(\\d+).*?", Pattern.DOTALL);
public List<Station> nearbyStations(final String stationId, final double lat, final double lon, final int maxDistance, final int maxStations)
throws IOException
{
throw new UnsupportedOperationException();
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 double parsedLon = latLonToDouble(Integer.parseInt(mFine.group(1)));
final double parsedLat = latLonToDouble(Integer.parseInt(mFine.group(2)));
final String parsedName = ParserUtils.resolveEntities(mFine.group(3));
final int parsedId = Integer.parseInt(mFine.group(4));
final Station station = new Station(parsedId, parsedName, parsedLat, parsedLon, 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);
}
private static double latLonToDouble(int value)
{
return (double) value / 1000000;
}
public StationLocationResult stationLocation(final String stationId) throws IOException

3
src/de/schildbach/pte/TflProvider.java
View file

@ -45,7 +45,8 @@ public class TflProvider implements NetworkProvider
throw new UnsupportedOperationException();
}
public List<Station> nearbyStations(final double lat, final double lon, final int maxDistance, final int maxStations) throws IOException
public List<Station> nearbyStations(final String stationId, final double lat, final double lon, final int maxDistance, final int maxStations)
throws IOException
{
throw new UnsupportedOperationException();
}

3
src/de/schildbach/pte/VbbProvider.java
View file

@ -96,7 +96,8 @@ public final class VbbProvider implements NetworkProvider
return results;
}
public List<Station> nearbyStations(final double lat, final double lon, final int maxDistance, final int maxStations) throws IOException
public List<Station> nearbyStations(final String stationId, final double lat, final double lon, final int maxDistance, final int maxStations)
throws IOException
{
throw new UnsupportedOperationException();
}