/* * Copyright 2010-2015 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 . */ package de.schildbach.pte; import static com.google.common.base.Preconditions.checkNotNull; import java.io.IOException; import java.util.ArrayList; import java.util.Calendar; import java.util.Collections; import java.util.Date; import java.util.EnumSet; import java.util.GregorianCalendar; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Set; import java.util.regex.Matcher; import java.util.regex.Pattern; import javax.annotation.Nullable; import com.google.common.base.Charsets; import com.google.common.base.Strings; import de.schildbach.pte.dto.Departure; import de.schildbach.pte.dto.Line; import de.schildbach.pte.dto.Location; import de.schildbach.pte.dto.LocationType; import de.schildbach.pte.dto.NearbyLocationsResult; import de.schildbach.pte.dto.Position; import de.schildbach.pte.dto.Product; import de.schildbach.pte.dto.QueryDeparturesResult; import de.schildbach.pte.dto.QueryDeparturesResult.Status; import de.schildbach.pte.dto.QueryTripsContext; import de.schildbach.pte.dto.QueryTripsResult; import de.schildbach.pte.dto.ResultHeader; import de.schildbach.pte.dto.StationDepartures; import de.schildbach.pte.dto.Style; import de.schildbach.pte.util.ParserUtils; import okhttp3.HttpUrl; /** * @author Andreas Schildbach */ public class InvgProvider extends AbstractHafasLegacyProvider { private static final HttpUrl API_BASE = HttpUrl.parse("https://fpa.invg.de/bin/"); // http://invg.hafas.de/bin/ private static final Product[] PRODUCTS_MAP = { null, null, null, null, null, null, null, null, null, null }; private static final long PARSER_DAY_ROLLOVER_THRESHOLD_MS = 12 * 60 * 60 * 1000; public InvgProvider() { super(NetworkId.INVG, API_BASE, "dn", PRODUCTS_MAP); setRequestUrlEncoding(Charsets.UTF_8); setStationBoardCanDoEquivs(false); setJsonNearbyLocationsEncoding(Charsets.UTF_8); setStyles(STYLES); setExtXmlEndpoint(API_BASE.newBuilder().addPathSegment("extxml.exe").build()); } @Override protected boolean hasCapability(final Capability capability) { if (capability == Capability.TRIPS) return false; else return super.hasCapability(capability); } private static final String[] PLACES = { "Ingolstadt", "München" }; @Override protected String[] splitStationName(final String name) { final Matcher m = P_SPLIT_NAME_FIRST_COMMA.matcher(name); if (m.matches()) return new String[] { m.group(1), m.group(2) }; for (final String place : PLACES) if (name.startsWith(place + " ") || name.startsWith(place + "-")) return new String[] { place, name.substring(place.length() + 1) }; return super.splitStationName(name); } @Override protected String[] splitPOI(final String poi) { final Matcher m = P_SPLIT_NAME_FIRST_COMMA.matcher(poi); if (m.matches()) return new String[] { m.group(1), m.group(2) }; return super.splitStationName(poi); } @Override protected String[] splitAddress(final String address) { final Matcher m = P_SPLIT_NAME_FIRST_COMMA.matcher(address); if (m.matches()) return new String[] { m.group(1), m.group(2) }; return super.splitStationName(address); } @Override public NearbyLocationsResult queryNearbyLocations(final EnumSet types, final Location location, final int maxDistance, final int maxStations) throws IOException { if (location.type == LocationType.STATION && location.hasId()) { final HttpUrl.Builder url = stationBoardEndpoint.newBuilder().addPathSegment(apiLanguage); url.addQueryParameter("near", "Anzeigen"); url.addQueryParameter("distance", Integer.toString(maxDistance != 0 ? maxDistance / 1000 : 50)); url.addQueryParameter("input", normalizeStationId(location.id)); return htmlNearbyStations(url.build()); } else { throw new IllegalArgumentException("cannot handle: " + location); } } private static final Pattern P_DEPARTURES_HEAD_COARSE = Pattern.compile(".*?" // + "(?:" // + "
.*?
.*?(
.*?
.*?
.*?
).*?
.*?" // + "
.*?input=(\\d+).*?" // locationId + "(?:(.*?)
|(verkehren an dieser Haltestelle keine))"// + "|(Eingabe kann nicht interpretiert)|(Verbindung zum Server konnte leider nicht hergestellt werden|kann vom Server derzeit leider nicht bearbeitet werden))" // + ".*?" // , Pattern.DOTALL); private static final Pattern P_DEPARTURES_HEAD_FINE = Pattern.compile( ".*?" // + "(.*?)<.*?" // location + "\n(\\d{2}\\.\\d{2}\\.\\d{2}).*?" // date + "Abfahrt (\\d{1,2}:\\d{2}).*?" // time , Pattern.DOTALL); private static final Pattern P_DEPARTURES_COARSE = Pattern.compile("(.*?)", Pattern.DOTALL); private static final Pattern P_DEPARTURES_FINE = Pattern.compile( ".*?" // + "(\\d{1,2}:\\d{2})\n" // plannedTime + "(?:\n" // + "(?: |(pünktlich|\\d{1,2}:\\d{2}))\n\n" // predictedTime + ")?.*?" // + "]*>\\s*(.*?)\\s*\n" // + "]*>" // destinationId + "\\s*(.*?)\\s*\n" // destination + ".*?" // + "(?:\n(" + ParserUtils.P_PLATFORM + ").*?)?" // position , Pattern.DOTALL); @Override public QueryDeparturesResult queryDepartures(final String stationId, final @Nullable Date time, final int maxDepartures, final boolean equivs) throws IOException { checkNotNull(Strings.emptyToNull(stationId)); final ResultHeader header = new ResultHeader(network, SERVER_PRODUCT); final QueryDeparturesResult result = new QueryDeparturesResult(header); // scrape page final HttpUrl.Builder url = stationBoardEndpoint.newBuilder().addPathSegment(apiLanguage); appendXmlStationBoardParameters(url, time, stationId, maxDepartures, false, null); final CharSequence page = httpClient.get(url.build()); // parse page final Matcher mHeadCoarse = P_DEPARTURES_HEAD_COARSE.matcher(page); if (mHeadCoarse.matches()) { // messages if (mHeadCoarse.group(4) != null) { result.stationDepartures.add(new StationDepartures(new Location(LocationType.STATION, stationId), Collections. emptyList(), null)); return result; } else if (mHeadCoarse.group(5) != null) return new QueryDeparturesResult(header, Status.INVALID_STATION); else if (mHeadCoarse.group(6) != null) return new QueryDeparturesResult(header, Status.SERVICE_DOWN); final String locationId = mHeadCoarse.group(2); final Matcher mHeadFine = P_DEPARTURES_HEAD_FINE.matcher(mHeadCoarse.group(1)); if (mHeadFine.matches()) { final String[] placeAndName = splitStationName(ParserUtils.resolveEntities(mHeadFine.group(1))); final Calendar currentTime = new GregorianCalendar(timeZone); currentTime.clear(); ParserUtils.parseGermanDate(currentTime, mHeadFine.group(2)); ParserUtils.parseEuropeanTime(currentTime, mHeadFine.group(3)); final List departures = new ArrayList<>(8); String oldZebra = null; final Matcher mDepCoarse = P_DEPARTURES_COARSE.matcher(mHeadCoarse.group(3)); while (mDepCoarse.find()) { final String zebra = mDepCoarse.group(1); if (oldZebra != null && zebra.equals(oldZebra)) throw new IllegalArgumentException("missed row? last:" + zebra); else oldZebra = zebra; final Matcher mDepFine = P_DEPARTURES_FINE.matcher(mDepCoarse.group(2)); if (mDepFine.matches()) { final Calendar plannedTime = new GregorianCalendar(timeZone); plannedTime.setTimeInMillis(currentTime.getTimeInMillis()); ParserUtils.parseEuropeanTime(plannedTime, mDepFine.group(1)); if (plannedTime.getTimeInMillis() - currentTime.getTimeInMillis() < -PARSER_DAY_ROLLOVER_THRESHOLD_MS) plannedTime.add(Calendar.DAY_OF_MONTH, 1); final Calendar predictedTime; final String prognosis = ParserUtils.resolveEntities(mDepFine.group(2)); if (prognosis != null) { predictedTime = new GregorianCalendar(timeZone); if (prognosis.equals("pünktlich")) { predictedTime.setTimeInMillis(plannedTime.getTimeInMillis()); } else { predictedTime.setTimeInMillis(currentTime.getTimeInMillis()); ParserUtils.parseEuropeanTime(predictedTime, prognosis); } } else { predictedTime = null; } final String lineType = mDepFine.group(3); final Line line = parseLine(lineType, ParserUtils.resolveEntities(mDepFine.group(4)), false); final String destinationId = mDepFine.group(5); final String destinationName = ParserUtils.resolveEntities(mDepFine.group(6)); final Location destination; if (destinationId != null) { final String[] destinationPlaceAndName = splitStationName(destinationName); destination = new Location(LocationType.STATION, destinationId, destinationPlaceAndName[0], destinationPlaceAndName[1]); } else { destination = new Location(LocationType.ANY, null, null, destinationName); } final Position position = parsePosition(ParserUtils.resolveEntities(mDepFine.group(7))); final Departure dep = new Departure(plannedTime.getTime(), predictedTime != null ? predictedTime.getTime() : null, line, position, destination, null, null); if (!departures.contains(dep)) departures.add(dep); } else { throw new IllegalArgumentException( "cannot parse '" + mDepCoarse.group(2) + "' on " + stationId); } } result.stationDepartures.add(new StationDepartures( new Location(LocationType.STATION, locationId, placeAndName[0], placeAndName[1]), departures, null)); return result; } else { throw new IllegalArgumentException("cannot parse '" + mHeadCoarse.group(1) + "' on " + stationId); } } else { throw new IllegalArgumentException("cannot parse '" + page + "' on " + stationId); } } @Override public QueryTripsResult queryTrips(final Location from, final @Nullable Location via, final Location to, final Date date, final boolean dep, final @Nullable Set products, final @Nullable Optimize optimize, final @Nullable WalkSpeed walkSpeed, final @Nullable Accessibility accessibility, final @Nullable Set