From c9ff909871328d690f4f6e7bf2e3780b2f961005 Mon Sep 17 00:00:00 2001 From: "andreas.schildbach@gmail.com" Date: Wed, 2 Feb 2011 20:14:16 +0000 Subject: [PATCH] Ingolstadt git-svn-id: https://public-transport-enabler.googlecode.com/svn/trunk@479 0924bc21-9374-b0fa-ee44-9ff1593b38f0 --- src/de/schildbach/pte/InvgProvider.java | 255 ++++++++++++++++++ .../pte/live/InvgProviderLiveTest.java | 48 ++++ 2 files changed, 303 insertions(+) create mode 100644 src/de/schildbach/pte/InvgProvider.java create mode 100644 test/de/schildbach/pte/live/InvgProviderLiveTest.java diff --git a/src/de/schildbach/pte/InvgProvider.java b/src/de/schildbach/pte/InvgProvider.java new file mode 100644 index 00000000..aa7b5188 --- /dev/null +++ b/src/de/schildbach/pte/InvgProvider.java @@ -0,0 +1,255 @@ +/* + * Copyright 2010 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 java.io.IOException; +import java.text.DateFormat; +import java.text.SimpleDateFormat; +import java.util.ArrayList; +import java.util.Calendar; +import java.util.Collections; +import java.util.Date; +import java.util.GregorianCalendar; +import java.util.List; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +import de.schildbach.pte.dto.Departure; +import de.schildbach.pte.dto.Location; +import de.schildbach.pte.dto.LocationType; +import de.schildbach.pte.dto.QueryDeparturesResult; +import de.schildbach.pte.dto.QueryDeparturesResult.Status; +import de.schildbach.pte.util.ParserUtils; + +/** + * @author Andreas Schildbach + */ +public class InvgProvider extends AbstractHafasProvider +{ + public static final NetworkId NETWORK_ID = NetworkId.INVG; + private static final String API_BASE = "http://fpa.invg.de/bin/"; + private static final String API_URI = "http://fpa.invg.de/bin/extxml.exe"; + + private static final long PARSER_DAY_ROLLOVER_THRESHOLD_MS = 12 * 60 * 60 * 1000; + + public InvgProvider() + { + super(API_URI, 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[] PLACES = { "Ingolstadt", "München" }; + + @Override + protected String[] splitNameAndPlace(final String name) + { + for (final String place : PLACES) + { + if (name.startsWith(place + " ") || name.startsWith(place + "-")) + return new String[] { place, name.substring(place.length() + 1) }; + else if (name.startsWith(place + ", ")) + return new String[] { place, name.substring(place.length() + 2) }; + } + + return super.splitNameAndPlace(name); + } + + private final String NEARBY_URI = API_BASE + "stboard.exe/dn?input=%s&distance=50&near=Anzeigen"; + + @Override + protected String nearbyStationUri(final String stationId) + { + return String.format(NEARBY_URI, ParserUtils.urlEncode(stationId)); + } + + @Override + protected char normalizeType(final String type) + { + final String ucType = type.toUpperCase(); + + if ("1".equals(ucType)) + return 'B'; + + return 0; + } + + private String departuresQueryUri(final String stationId, final int maxDepartures) + { + final DateFormat DATE_FORMAT = new SimpleDateFormat("dd.MM.yy"); + final DateFormat TIME_FORMAT = new SimpleDateFormat("HH:mm"); + final Date now = new Date(); + + final StringBuilder uri = new StringBuilder(); + uri.append(API_BASE).append("stboard.exe/dn"); + uri.append("?input=").append(stationId); + uri.append("&boardType=dep"); + uri.append("&time=").append(TIME_FORMAT.format(now)); + uri.append("&date=").append(DATE_FORMAT.format(now)); + uri.append("&productsFilter=1111111111"); + if (maxDepartures != 0) + uri.append("&maxJourneys=").append(maxDepartures); + uri.append("&disableEquivs=yes"); // don't use nearby stations + uri.append("&start=yes"); + + return uri.toString(); + } + + 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}),\n" // 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); + + public QueryDeparturesResult queryDepartures(final String stationId, final int maxDepartures) throws IOException + { + // scrape page + final String uri = departuresQueryUri(stationId, maxDepartures); + final CharSequence page = ParserUtils.scrape(uri); + + // parse page + final Matcher mHeadCoarse = P_DEPARTURES_HEAD_COARSE.matcher(page); + if (mHeadCoarse.matches()) + { + // messages + if (mHeadCoarse.group(4) != null) + return new QueryDeparturesResult(new Location(LocationType.STATION, Integer.parseInt(stationId)), + Collections. emptyList(), null); + else if (mHeadCoarse.group(5) != null) + return new QueryDeparturesResult(Status.INVALID_STATION, Integer.parseInt(stationId)); + else if (mHeadCoarse.group(6) != null) + return new QueryDeparturesResult(Status.SERVICE_DOWN, Integer.parseInt(stationId)); + + final int locationId = Integer.parseInt(mHeadCoarse.group(2)); + + final Matcher mHeadFine = P_DEPARTURES_HEAD_FINE.matcher(mHeadCoarse.group(1)); + if (mHeadFine.matches()) + { + final String location = ParserUtils.resolveEntities(mHeadFine.group(1)); + final Date currentTime = ParserUtils.joinDateTime(ParserUtils.parseDate(mHeadFine.group(2)), + ParserUtils.parseTime(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 current = new GregorianCalendar(); + current.setTime(currentTime); + final Calendar parsed = new GregorianCalendar(); + parsed.setTime(ParserUtils.parseTime(mDepFine.group(1))); + parsed.set(Calendar.YEAR, current.get(Calendar.YEAR)); + parsed.set(Calendar.MONTH, current.get(Calendar.MONTH)); + parsed.set(Calendar.DAY_OF_MONTH, current.get(Calendar.DAY_OF_MONTH)); + if (ParserUtils.timeDiff(parsed.getTime(), currentTime) < -PARSER_DAY_ROLLOVER_THRESHOLD_MS) + parsed.add(Calendar.DAY_OF_MONTH, 1); + + final Date plannedTime = parsed.getTime(); + + Date predictedTime = null; + final String prognosis = ParserUtils.resolveEntities(mDepFine.group(2)); + if (prognosis != null) + { + if (prognosis.equals("pünktlich")) + predictedTime = plannedTime; + else + predictedTime = ParserUtils.joinDateTime(currentTime, ParserUtils.parseTime(prognosis)); + } + + final String lineType = mDepFine.group(3); + + final String line = normalizeLine(lineType, ParserUtils.resolveEntities(mDepFine.group(4))); + + final int destinationId = mDepFine.group(5) != null ? Integer.parseInt(mDepFine.group(5)) : 0; + + final String destination = ParserUtils.resolveEntities(mDepFine.group(6)); + + final String position = mDepFine.group(7) != null ? "Gl. " + ParserUtils.resolveEntities(mDepFine.group(7)) : null; + + final Departure dep = new Departure(plannedTime, predictedTime, line, line != null ? lineColors(line) : null, null, position, + destinationId, destination, null); + + if (!departures.contains(dep)) + departures.add(dep); + } + else + { + throw new IllegalArgumentException("cannot parse '" + mDepCoarse.group(2) + "' on " + stationId); + } + } + + final String[] nameAndPlace = splitNameAndPlace(location); + return new QueryDeparturesResult(new Location(LocationType.STATION, locationId, nameAndPlace[0], nameAndPlace[1]), departures, null); + } + else + { + throw new IllegalArgumentException("cannot parse '" + mHeadCoarse.group(1) + "' on " + stationId); + } + } + else + { + throw new IllegalArgumentException("cannot parse '" + page + "' on " + stationId); + } + } +} diff --git a/test/de/schildbach/pte/live/InvgProviderLiveTest.java b/test/de/schildbach/pte/live/InvgProviderLiveTest.java new file mode 100644 index 00000000..72165816 --- /dev/null +++ b/test/de/schildbach/pte/live/InvgProviderLiveTest.java @@ -0,0 +1,48 @@ +/* + * Copyright 2010 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.live; + +import org.junit.Test; + +import de.schildbach.pte.InvgProvider; +import de.schildbach.pte.dto.NearbyStationsResult; +import de.schildbach.pte.dto.QueryDeparturesResult; + +/** + * @author Andreas Schildbach + */ +public class InvgProviderLiveTest +{ + private final InvgProvider provider = new InvgProvider(); + + @Test + public void nearbyStation() throws Exception + { + final NearbyStationsResult result = provider.nearbyStations("80301", 0, 0, 0, 0); + + System.out.println(result.stations.size() + " " + result.stations); + } + + @Test + public void queryDepartures() throws Exception + { + final QueryDeparturesResult result = provider.queryDepartures("80301", 0); + + System.out.println(result.departures.size() + " " + result.departures); + } +}