Bremen, Bremerhaven & Oldenburg

git-svn-id: https://public-transport-enabler.googlecode.com/svn/trunk@638 0924bc21-9374-b0fa-ee44-9ff1593b38f0

src/de/schildbach/pte/VbnProvider.java

@@ -0,0 +1,142 @@
+/*
+ * 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 VbnProvider extends AbstractHafasProvider
+{
+	public static final NetworkId NETWORK_ID = NetworkId.VBN;
+	private static final String API_BASE = "http://www.fahrplaner.de/hafas/";
+
+	public VbnProvider()
+	{
+		super(API_BASE + "query.exe/dn", 11, null);
+	}
+
+	public NetworkId id()
+	{
+		return NETWORK_ID;
+	}
+
+	public boolean hasCapabilities(Capability... capabilities)
+	{
+		for (final Capability capability : capabilities)
+			if (capability == Capability.AUTOCOMPLETE_ONE_LINE || capability == Capability.DEPARTURES || capability == Capability.CONNECTIONS)
+				return true;
+
+		return false;
+	}
+
+	private static final String AUTOCOMPLETE_URI = API_BASE
+			+ "ajax-getstop.exe/dny?start=1&tpl=suggest2json&REQ0JourneyStopsS0A=255&REQ0JourneyStopsS0B=5&REQ0JourneyStopsB=12&getstop=1&noSession=yes&REQ0JourneyStopsS0G=%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);
+	}
+
+	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());
+		}
+	}
+
+	@Override
+	protected char normalizeType(final String type)
+	{
+		final String ucType = type.toUpperCase();
+
+		if ("P".equals(ucType)) // Brohltalbahn
+			return 'R';
+
+		if ("TB".equals(ucType))
+			return 'B';
+		if ("RFTAST".equals(ucType))
+			return 'B';
+		if ("ALTN".equals(ucType))
+			return 'B';
+
+		if ("BUSFÄHRE".equals(ucType)) // Blexen - Bremerhaven
+			return 'F';
+
+		if ("SEILB".equals(ucType))
+			return 'C';
+
+		final char t = super.normalizeType(type);
+		if (t != 0)
+			return t;
+
+		return 0;
+	}
+
+	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=").append(equivs ? "no" : "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);
+	}
+}