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sub-project for enabler

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Andreas Schildbach 2012-02-23 14:03:41 +01:00
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src/de/schildbach/pte/SbbProvider.java
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/*
* Copyright 2010, 2011 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.List;
import de.schildbach.pte.dto.Location;
import de.schildbach.pte.dto.LocationType;
import de.schildbach.pte.dto.NearbyStationsResult;
import de.schildbach.pte.dto.QueryDeparturesResult;
import de.schildbach.pte.util.ParserUtils;
/**
* @author Andreas Schildbach
*/
public class SbbProvider extends AbstractHafasProvider
{
public static final NetworkId NETWORK_ID = NetworkId.SBB;
public static final String OLD_NETWORK_ID = "fahrplan.sbb.ch";
private static final String API_BASE = "http://fahrplan.sbb.ch/bin/";
private static final String API_URI = "http://fahrplan.sbb.ch/bin/extxml.exe"; // xmlfahrplan.sbb.ch
public SbbProvider(final String accessId)
{
super(API_URI, 10, accessId);
}
public NetworkId id()
{
return NETWORK_ID;
}
public boolean hasCapabilities(final Capability... capabilities)
{
for (final Capability capability : capabilities)
if (capability == Capability.AUTOCOMPLETE_ONE_LINE || capability == Capability.DEPARTURES || capability == Capability.CONNECTIONS)
return true;
return false;
}
@Override
protected void setProductBits(final StringBuilder productBits, final char product)
{
if (product == 'I')
{
productBits.setCharAt(0, '1'); // ICE/TGV/IRJ
productBits.setCharAt(1, '1'); // EC/IC
}
else if (product == 'R')
{
productBits.setCharAt(2, '1'); // IR
productBits.setCharAt(3, '1'); // RE/D
productBits.setCharAt(8, '1'); // ARZ/EXT
}
else if (product == 'S')
{
productBits.setCharAt(5, '1'); // S/SN/R
}
else if (product == 'U' || product == 'T')
{
productBits.setCharAt(9, '1'); // Tram/Metro
}
else if (product == 'B' || product == 'P')
{
productBits.setCharAt(6, '1'); // Bus
}
else if (product == 'F')
{
productBits.setCharAt(4, '1'); // Schiff
}
else if (product == 'C')
{
productBits.setCharAt(7, '1'); // Seilbahn
}
else
{
throw new IllegalArgumentException("cannot handle: " + product);
}
}
public NearbyStationsResult queryNearbyStations(final Location location, final int maxDistance, final int maxStations) throws IOException
{
final StringBuilder uri = new StringBuilder(API_BASE);
if (location.hasLocation())
{
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(location.lon);
uri.append("&look_y=").append(location.lat);
return jsonNearbyStations(uri.toString());
}
else if (location.type == LocationType.STATION && location.hasId())
{
uri.append("stboard.exe/dn");
uri.append("?productsFilter=").append(allProductsString());
uri.append("&boardType=dep");
uri.append("&input=").append(location.id);
uri.append("&sTI=1&start=yes&hcount=0");
uri.append("&L=vs_java3");
return xmlNearbyStations(uri.toString());
}
else
{
throw new IllegalArgumentException("cannot handle: " + location.toDebugString());
}
}
public QueryDeparturesResult queryDepartures(final int stationId, final int maxDepartures, final boolean equivs) throws IOException
{
final StringBuilder uri = new StringBuilder();
uri.append(API_BASE).append("stboard.exe/dn");
uri.append("?productsFilter=").append(allProductsString());
uri.append("&boardType=dep");
uri.append("&disableEquivs=yes"); // don't use nearby stations
uri.append("&maxJourneys=50"); // ignore maxDepartures because result contains other stations
uri.append("&start=yes");
uri.append("&L=vs_java3");
uri.append("&input=").append(stationId);
return xmlQueryDepartures(uri.toString(), stationId);
}
private static final String AUTOCOMPLETE_URI = API_BASE + "ajax-getstop.exe/dn?getstop=1&REQ0JourneyStopsS0A=255&S=%s?&js=true&";
private static final String ENCODING = "ISO-8859-1";
public List<Location> autocompleteStations(final CharSequence constraint) throws IOException
{
final String uri = String.format(AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ENCODING));
return jsonGetStops(uri);
}
@Override
protected char normalizeType(final String type)
{
final String ucType = type.toUpperCase();
if ("IN".equals(ucType)) // Italien Roma-Lecce
return 'I';
if ("E".equals(ucType))
return 'R';
if ("T".equals(ucType))
return 'R';
if ("M".equals(ucType)) // Metro Wien
return 'U';
if ("TX".equals(ucType))
return 'B';
if ("NFO".equals(ucType))
return 'B';
final char t = super.normalizeType(type);
if (t != 0)
return t;
return 0;
}
}