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nearby stations and departures for Rhein-Ruhr

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git-svn-id: https://public-transport-enabler.googlecode.com/svn/trunk@231 0924bc21-9374-b0fa-ee44-9ff1593b38f0
This commit is contained in:
andreas.schildbach 2010-10-03 15:18:25 +00:00
parent 1b8c97aa2d
commit 7cb981f289
3 changed files with 268 additions and 26 deletions
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131
src/de/schildbach/pte/AbstractEfaProvider.java
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@ -74,10 +74,7 @@ public abstract class AbstractEfaProvider implements NetworkProvider
return results;
}
private static final Pattern P_NEARBY = Pattern.compile("<itdOdvAssignedStop " //
+ "(?:stopID=\"(\\d+)\" x=\"(\\d+)\" y=\"(\\d+)\" mapName=\"WGS84\" [^>]*? nameWithPlace=\"([^\"]*)\" distance=\"(\\d+)\"" //
+ "|distance=\"(\\d+)\" [^>]*? nameWithPlace=\"([^\"]*)\" [^>]*? stopID=\"(\\d+)\" [^>]*? x=\"(\\d+)\" y=\"(\\d+)\"" //
+ ")");
private static final Pattern P_NEARBY_MESSAGES = Pattern.compile("(unsere Server zur Zeit ausgelastet)");
protected abstract String nearbyLatLonUri(int lat, int lon);
@ -87,39 +84,95 @@ public abstract class AbstractEfaProvider implements NetworkProvider
throws IOException
{
String uri = null;
if (lat != 0 || lon != 0)
uri = nearbyLatLonUri(lat, lon);
if (uri == null && stationId != null)
uri = nearbyStationUri(stationId);
if (uri == null && (lat != 0 || lon != 0))
uri = nearbyLatLonUri(lat, lon);
if (uri == null)
throw new IllegalArgumentException("at least one of stationId or lat/lon must be given");
final CharSequence page = ParserUtils.scrape(uri);
final List<Station> stations = new ArrayList<Station>();
final Matcher mNearby = P_NEARBY.matcher(page);
while (mNearby.find())
try
{
final boolean firstSyntax = mNearby.group(1) != null;
final int sId = Integer.parseInt(mNearby.group(firstSyntax ? 1 : 8));
final int sLon = Integer.parseInt(mNearby.group(firstSyntax ? 2 : 9));
final int sLat = Integer.parseInt(mNearby.group(firstSyntax ? 3 : 10));
final String sName = mNearby.group(firstSyntax ? 4 : 7).trim();
final int sDist = Integer.parseInt(mNearby.group(firstSyntax ? 5 : 6));
final CharSequence page = ParserUtils.scrape(uri);
final Station station = new Station(sId, sName, sLat, sLon, sDist, null, null);
stations.add(station);
if (P_NEARBY_MESSAGES.matcher(page).find())
return null;
final XmlPullParserFactory factory = XmlPullParserFactory.newInstance(System.getProperty(XmlPullParserFactory.PROPERTY_NAME), null);
final XmlPullParser pp = factory.newPullParser();
pp.setInput(new StringReader(page.toString()));
XmlPullUtil.jumpToStartTag(pp, null, "itdOdvName");
final String nameState = pp.getAttributeValue(null, "state");
if (nameState.equals("identified"))
{
final List<Station> stations = new ArrayList<Station>();
XmlPullUtil.jumpToStartTag(pp, null, "odvNameElem");
final String parsedOwnLocationIdStr = pp.getAttributeValue(null, "stopID");
if (parsedOwnLocationIdStr != null)
{
final int parsedOwnLocationId = Integer.parseInt(parsedOwnLocationIdStr);
final String parsedOwnMapName = pp.getAttributeValue(null, "mapName");
if (parsedOwnMapName != null)
{
if (!"WGS84".equals(parsedOwnMapName))
throw new IllegalStateException("unknown mapName: " + parsedOwnMapName);
final int parsedOwnLon = Integer.parseInt(pp.getAttributeValue(null, "x"));
final int parsedOwnLat = Integer.parseInt(pp.getAttributeValue(null, "y"));
stations.add(new Station(parsedOwnLocationId, null, parsedOwnLat, parsedOwnLon, 0, null, null));
}
}
if (XmlPullUtil.jumpToStartTag(pp, null, "itdOdvAssignedStops"))
{
while (XmlPullUtil.nextStartTagInsideTree(pp, null, "itdOdvAssignedStop"))
{
final String parsedMapName = pp.getAttributeValue(null, "mapName");
if (parsedMapName != null)
{
if (!"WGS84".equals(parsedMapName))
throw new IllegalStateException("unknown mapName: " + parsedMapName);
final int parsedLocationId = Integer.parseInt(pp.getAttributeValue(null, "stopID"));
final String parsedName = normalizeLocationName(pp.getAttributeValue(null, "nameWithPlace"));
final int parsedLon = Integer.parseInt(pp.getAttributeValue(null, "x"));
final int parsedLat = Integer.parseInt(pp.getAttributeValue(null, "y"));
final String parsedDistStr = pp.getAttributeValue(null, "distance");
final int parsedDist = parsedDistStr != null ? Integer.parseInt(parsedDistStr) : 0;
stations.add(new Station(parsedLocationId, parsedName, parsedLat, parsedLon, parsedDist, null, null));
XmlPullUtil.skipRestOfTree(pp);
}
}
}
if (maxStations == 0 || maxStations >= stations.size())
return stations;
else
return stations.subList(0, maxStations);
}
else if (nameState.equals("notidentified"))
{
return null;
}
else
{
throw new RuntimeException("unknown nameState '" + nameState + "' on " + uri);
}
}
catch (final XmlPullParserException x)
{
throw new RuntimeException(x);
}
if (maxStations == 0 || maxStations >= stations.size())
return stations;
else
return stations.subList(0, maxStations);
}
private static final Pattern P_LINE_IRE = Pattern.compile("IRE\\d+");
private static final Pattern P_LINE_RE = Pattern.compile("RE\\d+");
private static final Pattern P_LINE_RB = Pattern.compile("RB\\d+");
private static final Pattern P_LINE_VB = Pattern.compile("VB\\d+");
private static final Pattern P_LINE_R = Pattern.compile("R\\d+(/R\\d+|\\(z\\))?");
private static final Pattern P_LINE_U = Pattern.compile("U\\d+");
protected String parseLine(final String number, final String symbol, final String mot)
@ -157,6 +210,8 @@ public abstract class AbstractEfaProvider implements NetworkProvider
return 'R' + str;
if (type.equals("IRE")) // Interregio-Express
return 'R' + str;
if (P_LINE_IRE.matcher(type).matches())
return 'R' + str;
if (type.equals("RE")) // Regional-Express
return 'R' + str;
if (P_LINE_RE.matcher(type).matches())
@ -167,6 +222,8 @@ public abstract class AbstractEfaProvider implements NetworkProvider
return 'R' + str;
if (type.equals("R")) // Regionalzug
return 'R' + str;
if (P_LINE_R.matcher(type).matches())
return 'R' + str;
if (type.equals("D")) // Schnellzug
return 'R' + str;
if (type.equals("WFB")) // Westfalenbahn
@ -209,6 +266,10 @@ public abstract class AbstractEfaProvider implements NetworkProvider
return 'R' + str;
if (type.equals("VBG")) // Vogtlandbahn
return 'R' + str;
if (type.equals("VB")) // Vogtlandbahn
return 'R' + str;
if (P_LINE_VB.matcher(type).matches())
return 'R' + str;
if (type.equals("VX")) // Vogtland Express
return 'R' + str;
if (type.equals("CB")) // City-Bahn Chemnitz
@ -279,6 +340,24 @@ public abstract class AbstractEfaProvider implements NetworkProvider
return 'R' + str;
if (type.equals("PRE")) // Pressnitztalbahn
return 'R' + str;
if (type.equals("VEB")) // Vulkan-Eifel-Bahn
return 'R' + str;
if (type.equals("neg")) // Norddeutsche Eisenbahn Gesellschaft
return 'R' + str;
if (type.equals("AVG")) // Felsenland-Express
return 'R' + str;
if (type.equals("ABG")) // Anhaltische Bahngesellschaft
return 'R' + str;
if (type.equals("LGB")) // Lößnitzgrundbahn
return 'R' + str;
if (type.equals("LEO")) // Chiemgauer Lokalbahn
return 'R' + str;
if (type.equals("WTB")) // Weißeritztalbahn
return 'R' + str;
if (type.equals("P")) // Kasbachtalbahn, Wanderbahn im Regental, Rhön-Zügle
return 'R' + str;
if (type.equals("KBS")) // Kursbuchstrecke
return 'R' + str;
if (type.equals("BSB")) // Breisgau-S-Bahn
return 'S' + str;
@ -414,7 +493,7 @@ public abstract class AbstractEfaProvider implements NetworkProvider
private static final Pattern P_STATION_NAME_WHITESPACE = Pattern.compile("\\s+");
private static String normalizeLocationName(final String name)
protected static String normalizeLocationName(final String name)
{
return P_STATION_NAME_WHITESPACE.matcher(name).replaceAll(" ");
}