Denmark departures

git-svn-id: https://public-transport-enabler.googlecode.com/svn/trunk@588 0924bc21-9374-b0fa-ee44-9ff1593b38f0

src/de/schildbach/pte/DsbProvider.java

@@ -0,0 +1,173 @@
+/*
+ * 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.NearbyStationsResult;
+import de.schildbach.pte.dto.QueryDeparturesResult;
+import de.schildbach.pte.util.ParserUtils;
+
+/**
+ * @author Andreas Schildbach
+ */
+public class DsbProvider extends AbstractHafasProvider
+{
+	public static final NetworkId NETWORK_ID = NetworkId.DSB;
+	private static final String API_BASE = "http://mobil.rejseplanen.dk/mobil-bin/";
+
+	public DsbProvider()
+	{
+		super(null, null);
+	}
+
+	public NetworkId id()
+	{
+		return NETWORK_ID;
+	}
+
+	public boolean hasCapabilities(final Capability... capabilities)
+	{
+		for (final Capability capability : capabilities)
+			if (capability == Capability.DEPARTURES)
+				return true;
+
+		return false;
+
+	}
+
+	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";
+
+	@Override
+	public List<Location> autocompleteStations(final CharSequence constraint) throws IOException
+	{
+		final String uri = String.format(AUTOCOMPLETE_URI, ParserUtils.urlEncode(constraint.toString(), ENCODING));
+
+		return ajaxGetStops(uri);
+	}
+
+	@Override
+	protected String nearbyStationUri(String stationId)
+	{
+		throw new UnsupportedOperationException();
+	}
+
+	@Override
+	public NearbyStationsResult nearbyStations(final String stationId, final int lat, final int lon, final int maxDistance, final int maxStations)
+			throws IOException
+	{
+		final StringBuilder uri = new StringBuilder(API_BASE);
+		uri.append("stboard.exe/dn");
+		uri.append("?productsFilter=11111111111");
+		uri.append("&boardType=dep");
+		uri.append("&input=").append(ParserUtils.urlEncode(stationId));
+		uri.append("&sTI=1&start=yes&hcount=0");
+		uri.append("&L=vs_java3");
+
+		// &inputTripelId=A%3d1%40O%3dCopenhagen%20Airport%40X%3d12646941%40Y%3d55629753%40U%3d86%40L%3d900000011%40B%3d1
+
+		return xmlNearbyStations(uri.toString());
+	}
+
+	private static final Pattern P_NORMALIZE_LINE_AND_TYPE = Pattern.compile("([^#]*)#(.*)");
+
+	@Override
+	protected String normalizeLine(final String line)
+	{
+		final Matcher m = P_NORMALIZE_LINE_AND_TYPE.matcher(line);
+		if (m.matches())
+		{
+			final String number = m.group(1).replaceAll("\\s+", " ");
+			final String type = m.group(2);
+
+			final char normalizedType = normalizeType(type);
+			if (normalizedType != 0)
+				return normalizedType + number;
+
+			throw new IllegalStateException("cannot normalize type " + type + " number " + number + " line " + line);
+		}
+
+		throw new IllegalStateException("cannot normalize line " + line);
+	}
+
+	@Override
+	protected char normalizeType(final String type)
+	{
+		final String ucType = type.toUpperCase();
+
+		if ("ICL".equals(ucType))
+			return 'I';
+
+		if ("ØR".equals(ucType))
+			return 'R';
+		if ("RA".equals(ucType))
+			return 'R';
+		if ("RX".equals(ucType))
+			return 'R';
+		if ("PP".equals(ucType))
+			return 'R';
+
+		if ("S-TOG".equals(ucType))
+			return 'S';
+
+		if ("MET".equals(ucType))
+			return 'U';
+
+		if ("BYBUS".equals(ucType))
+			return 'B';
+		if ("X-BUS".equals(ucType))
+			return 'B';
+		if ("HV-BUS".equals(ucType)) // Havnebus
+			return 'B';
+		if ("T-BUS".equals(ucType)) // Togbus
+			return 'B';
+
+		if ("TELEBUS".equals(ucType))
+			return 'P';
+		if ("TELETAXI".equals(ucType))
+			return 'P';
+
+		if ("FÆRGE".equals(ucType))
+			return 'F';
+
+		final char t = normalizeCommonTypes(ucType);
+		if (t != 0)
+			return t;
+
+		return 0;
+	}
+
+	public QueryDeparturesResult queryDepartures(final String 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=11111111111");
+		uri.append("&boardType=dep");
+		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(), Integer.parseInt(stationId));
+	}
+}