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nearby stations for Hannover

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git-svn-id: https://public-transport-enabler.googlecode.com/svn/trunk@206 0924bc21-9374-b0fa-ee44-9ff1593b38f0
This commit is contained in:
andreas.schildbach 2010-09-27 00:31:57 +00:00
parent b6d65bf8fd
commit a69ec021cc
3 changed files with 225 additions and 71 deletions
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115
src/de/schildbach/pte/AbstractEfaProvider.java Normal file
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@ -0,0 +1,115 @@
/*
* Copyright 2010 the original author or authors.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package de.schildbach.pte;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* @author Andreas Schildbach
*/
public abstract class AbstractEfaProvider implements NetworkProvider
{
private static final Pattern P_AUTOCOMPLETE = Pattern.compile("" //
+ "(?:" //
+ "<itdOdvAssignedStop stopID=\"(\\d+)\" x=\"(\\d+)\" y=\"(\\d+)\" mapName=\"WGS84\" [^>]* nameWithPlace=\"([^\"]*)\"" //
+ "|" //
+ "<odvNameElem [^>]* locality=\"([^\"]*)\"" //
+ ")");
protected abstract String autocompleteUri(final CharSequence constraint);
public List<Autocomplete> autocompleteStations(final CharSequence constraint) throws IOException
{
final CharSequence page = ParserUtils.scrape(autocompleteUri(constraint));
final List<Autocomplete> results = new ArrayList<Autocomplete>();
final Matcher m = P_AUTOCOMPLETE.matcher(page);
while (m.find())
{
if (m.group(1) != null)
{
final int sId = Integer.parseInt(m.group(1));
// final double sLon = latLonToDouble(Integer.parseInt(mAutocomplete.group(2)));
// final double sLat = latLonToDouble(Integer.parseInt(mAutocomplete.group(3)));
final String sName = m.group(4).trim();
results.add(new Autocomplete(LocationType.STATION, sId, sName));
}
else if (m.group(5) != null)
{
final String sName = m.group(5).trim();
results.add(new Autocomplete(LocationType.ANY, 0, sName));
}
}
return results;
}
private static final Pattern P_NEARBY = Pattern.compile("<itdOdvAssignedStop " //
+ "(?:stopID=\"(\\d+)\" x=\"(\\d+)\" y=\"(\\d+)\" mapName=\"WGS84\" [^>]*? nameWithPlace=\"([^\"]*)\" distance=\"(\\d+)\"" //
+ "|distance=\"(\\d+)\" [^>]*? nameWithPlace=\"([^\"]*)\" [^>]*? stopID=\"(\\d+)\" [^>]*? x=\"(\\d+)\" y=\"(\\d+)\"" //
+ ")");
protected abstract String nearbyLatLonUri(double lat, double lon);
protected abstract String nearbyStationUri(String stationId);
public List<Station> nearbyStations(final String stationId, final double lat, final double lon, final int maxDistance, final int maxStations)
throws IOException
{
String uri = null;
if (lat != 0 || lon != 0)
uri = nearbyLatLonUri(lat, lon);
if (uri == null && stationId != null)
uri = nearbyStationUri(stationId);
if (uri == null)
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>();
final Matcher mNearby = P_NEARBY.matcher(page);
while (mNearby.find())
{
final boolean firstSyntax = mNearby.group(1) != null;
final int sId = Integer.parseInt(mNearby.group(firstSyntax ? 1 : 8));
final double sLon = latLonToDouble(Integer.parseInt(mNearby.group(firstSyntax ? 2 : 9)));
final double sLat = latLonToDouble(Integer.parseInt(mNearby.group(firstSyntax ? 3 : 10)));
final String sName = mNearby.group(firstSyntax ? 4 : 7).trim();
final int sDist = Integer.parseInt(mNearby.group(firstSyntax ? 5 : 6));
final Station station = new Station(sId, sName, sLat, sLon, sDist, null, null);
stations.add(station);
}
if (maxStations == 0 || maxStations >= stations.size())
return stations;
else
return stations.subList(0, maxStations);
}
private static double latLonToDouble(final int value)
{
return (double) value / 1000000;
}
}

95
src/de/schildbach/pte/GvhProvider.java Normal file
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@ -0,0 +1,95 @@
/*
* Copyright 2010 the original author or authors.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package de.schildbach.pte;
import java.io.IOException;
import java.util.Date;
/**
* @author Andreas Schildbach
*/
public class GvhProvider extends AbstractEfaProvider
{
private static final String API_BASE = "http://mobil.gvh.de/mobile2/";
private static final String AUTOCOMPLETE_URI = API_BASE
+ "XML_STOPFINDER_REQUEST?outputFormat=XML&coordOutputFormat=WGS84&name_sf=%s&type_sf=any";
private static final String ENCODING = "ISO-8859-1";
@Override
protected String autocompleteUri(final CharSequence constraint)
{
return String.format(AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ENCODING));
}
private static final String NEARBY_STATION_URI = API_BASE
+ "XSLT_DM_REQUEST?outputFormat=XML&coordOutputFormat=WGS84&name_dm=%s&type_dm=stop&itOptionsActive=1&ptOptionsActive=1&useProxFootSearch=1&mergeDep=1&useAllStops=1&mode=direct";
@Override
protected String nearbyStationUri(final String stationId)
{
return String.format(NEARBY_STATION_URI, stationId);
}
@Override
protected String nearbyLatLonUri(final double lat, final double lon)
{
return null;
}
public String departuresQueryUri(String stationId, int maxDepartures)
{
throw new UnsupportedOperationException();
}
public GetConnectionDetailsResult getConnectionDetails(String connectionUri) throws IOException
{
throw new UnsupportedOperationException();
}
public boolean hasCapabilities(Capability... capabilities)
{
throw new UnsupportedOperationException();
}
public int[] lineColors(String line)
{
throw new UnsupportedOperationException();
}
public QueryConnectionsResult queryConnections(LocationType fromType, String from, LocationType viaType, String via, LocationType toType,
String to, Date date, boolean dep, WalkSpeed walkSpeed) throws IOException
{
throw new UnsupportedOperationException();
}
public QueryDeparturesResult queryDepartures(String queryUri) throws IOException
{
throw new UnsupportedOperationException();
}
public QueryConnectionsResult queryMoreConnections(String uri) throws IOException
{
throw new UnsupportedOperationException();
}
public StationLocationResult stationLocation(String stationId) throws IOException
{
throw new UnsupportedOperationException();
}
}

86
src/de/schildbach/pte/LinzProvider.java
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@ -31,7 +31,7 @@ import java.util.regex.Pattern;
/**
* @author Andreas Schildbach
*/
public class LinzProvider implements NetworkProvider
public class LinzProvider extends AbstractEfaProvider
{
public static final String NETWORK_ID = "www.linzag.at";
public static final String API_BASE = "http://www.linzag.at/linz/";
@ -48,90 +48,34 @@ public class LinzProvider implements NetworkProvider
private static final String AUTOCOMPLETE_URI = API_BASE + "XML_STOPFINDER_REQUEST"
+ "?outputFormat=XML&coordOutputFormat=WGS84&name_sf=%s&type_sf=%s";
private static final String AUTOCOMPLETE_TYPE = "any"; // any, stop, street, poi
private static final Pattern P_AUTOCOMPLETE = Pattern.compile("" //
+ "(?:" //
+ "<itdOdvAssignedStop stopID=\"(\\d+)\" x=\"(\\d+)\" y=\"(\\d+)\" mapName=\"WGS84\" [^>]* nameWithPlace=\"([^\"]*)\"" //
+ "|" //
+ "<odvNameElem [^>]* locality=\"([^\"]*)\"" //
+ ")");
private static final String ENCODING = "ISO-8859-1";
public List<Autocomplete> autocompleteStations(final CharSequence constraint) throws IOException
@Override
protected String autocompleteUri(final CharSequence constraint)
{
final String uri = String.format(AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ENCODING), AUTOCOMPLETE_TYPE);
final CharSequence page = ParserUtils.scrape(uri);
final List<Autocomplete> results = new ArrayList<Autocomplete>();
final Matcher m = P_AUTOCOMPLETE.matcher(page);
while (m.find())
{
if (m.group(1) != null)
{
final int sId = Integer.parseInt(m.group(1));
// final double sLon = latLonToDouble(Integer.parseInt(mAutocomplete.group(2)));
// final double sLat = latLonToDouble(Integer.parseInt(mAutocomplete.group(3)));
final String sName = m.group(4).trim();
results.add(new Autocomplete(LocationType.STATION, sId, sName));
}
else if (m.group(5) != null)
{
final String sName = m.group(5).trim();
results.add(new Autocomplete(LocationType.ANY, 0, sName));
}
}
return results;
return String.format(AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ENCODING), AUTOCOMPLETE_TYPE);
}
private static final String NEARBY_LATLON_URI = API_BASE
+ "XSLT_DM_REQUEST"
+ "?outputFormat=XML&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";
@Override
protected String nearbyLatLonUri(final double lat, final double lon)
{
return String.format(NEARBY_LATLON_URI, lon, lat);
}
private static final String NEARBY_STATION_URI = API_BASE
+ "XSLT_DM_REQUEST"
+ "?outputFormat=XML&mode=direct&coordOutputFormat=WGS84&mergeDep=1&useAllStops=1&name_dm=%s&type_dm=stop&itOptionsActive=1&ptOptionsActive=1&useProxFootSearch=1&excludedMeans=checkbox";
private static final Pattern P_NEARBY = Pattern
.compile("<itdOdvAssignedStop stopID=\"(\\d+)\" x=\"(\\d+)\" y=\"(\\d+)\" mapName=\"WGS84\" [^>]* nameWithPlace=\"([^\"]*)\" distance=\"(\\d+)\"");
public List<Station> nearbyStations(final String stationId, final double lat, final double lon, final int maxDistance, final int maxStations)
throws IOException
@Override
protected String nearbyStationUri(final String stationId)
{
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>();
final Matcher mNearby = P_NEARBY.matcher(page);
while (mNearby.find())
{
final int sId = Integer.parseInt(mNearby.group(1));
final double sLon = latLonToDouble(Integer.parseInt(mNearby.group(2)));
final double sLat = latLonToDouble(Integer.parseInt(mNearby.group(3)));
final String sName = mNearby.group(4).trim();
final int sDist = Integer.parseInt(mNearby.group(5));
final Station station = new Station(sId, sName, sLat, sLon, sDist, null, null);
stations.add(station);
}
if (maxStations == 0 || maxStations >= stations.size())
return stations;
else
return stations.subList(0, maxStations);
return String.format(NEARBY_STATION_URI, stationId);
}
private static double latLonToDouble(int value)
{
return (double) value / 1000000;
}
public StationLocationResult stationLocation(final String stationId) throws IOException
{
throw new UnsupportedOperationException();