Sweden

git-svn-id: https://public-transport-enabler.googlecode.com/svn/trunk@633 0924bc21-9374-b0fa-ee44-9ff1593b38f0

src/de/schildbach/pte/SeProvider.java

@@ -0,0 +1,162 @@
+/*
+ * 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 java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+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 SeProvider extends AbstractHafasProvider
+{
+	public static final NetworkId NETWORK_ID = NetworkId.SE;
+	private static final String API_BASE = "http://reseplanerare.resrobot.se/bin/";
+
+	public SeProvider()
+	{
+		super(API_BASE + "query.exe/sn", 14, null, "UTF-8", null);
+	}
+
+	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)
+				return true;
+
+		return false;
+	}
+
+	@Override
+	protected char intToProduct(final int value)
+	{
+		if (value == 1) // Flyg
+			return 'I';
+		if (value == 2) // X2000
+			return 'I';
+		if (value == 4)
+			return 'R';
+		if (value == 8) // Expressbus
+			return 'B';
+		if (value == 16)
+			return 'R';
+		if (value == 32) // Tunnelbana
+			return 'U';
+		if (value == 64) // Spårvagn
+			return 'T';
+		if (value == 128)
+			return 'B';
+		if (value == 256)
+			return 'F';
+		if (value == 512) // Länstaxi
+			return 'F';
+		if (value == 1024) // Future
+			return 'R';
+
+		throw new IllegalArgumentException("cannot handle: " + value);
+	}
+
+	private static final Pattern P_SPLIT_NAME_KN = Pattern.compile("(.*?) \\((.*?) kn\\)");
+
+	@Override
+	protected String[] splitNameAndPlace(final String name)
+	{
+		final Matcher m = P_SPLIT_NAME_KN.matcher(name);
+		if (m.matches())
+			return new String[] { m.group(2), m.group(1) };
+
+		return super.splitNameAndPlace(name);
+	}
+
+	private static final String AUTOCOMPLETE_URI = API_BASE
+			+ "ajax-getstop.exe/sny?start=1&tpl=suggest2json&REQ0JourneyStopsS0A=7&getstop=1&noSession=yes&REQ0JourneyStopsB=12&REQ0JourneyStopsS0G=&S=%s";
+	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/sny");
+			uri.append("?performLocating=2&tpl=stop2json");
+			uri.append("&look_maxno=").append(maxStations != 0 ? maxStations : 150);
+			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/sn");
+			uri.append("?productsFilter=").append(allProductsString());
+			uri.append("&boardType=dep");
+			uri.append("&input=").append(location.id);
+			uri.append("&sTI=1&start=yes&hcount=0&L=vs_java3");
+
+			return xmlNearbyStations(uri.toString());
+		}
+		else
+		{
+			throw new IllegalArgumentException("cannot handle: " + location.toDebugString());
+		}
+	}
+
+	@Override
+	protected char normalizeType(final String type)
+	{
+		throw new UnsupportedOperationException();
+	}
+
+	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/sn");
+		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);
+	}
+}