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detect session expired

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git-svn-id: https://public-transport-enabler.googlecode.com/svn/trunk@342 0924bc21-9374-b0fa-ee44-9ff1593b38f0
This commit is contained in:
andreas.schildbach 2010-11-03 22:48:18 +00:00
parent 3053fececf
commit 45465a87ee
1 changed files with 15 additions and 13 deletions
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28
src/de/schildbach/pte/BahnProvider.java
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@ -37,6 +37,7 @@ import de.schildbach.pte.dto.NearbyStationsResult;
import de.schildbach.pte.dto.QueryConnectionsResult; import de.schildbach.pte.dto.QueryConnectionsResult;
import de.schildbach.pte.dto.QueryDeparturesResult; import de.schildbach.pte.dto.QueryDeparturesResult;
import de.schildbach.pte.dto.Station; import de.schildbach.pte.dto.Station;
import de.schildbach.pte.exception.SessionExpiredException;
import de.schildbach.pte.util.ParserUtils; import de.schildbach.pte.util.ParserUtils;
/** /**
@ -158,7 +159,7 @@ public final class BahnProvider extends AbstractHafasProvider
"<select name=\"(REQ0JourneyStopsS0K|REQ0JourneyStopsZ0K|REQ0JourneyStops1\\.0K)\"[^>]*>(.*?)</select>", Pattern.DOTALL); "<select name=\"(REQ0JourneyStopsS0K|REQ0JourneyStopsZ0K|REQ0JourneyStops1\\.0K)\"[^>]*>(.*?)</select>", Pattern.DOTALL);
private static final Pattern P_ADDRESSES = Pattern.compile("<option[^>]*>\\s*(.*?)\\s*</option>", Pattern.DOTALL); private static final Pattern P_ADDRESSES = Pattern.compile("<option[^>]*>\\s*(.*?)\\s*</option>", Pattern.DOTALL);
private static final Pattern P_CHECK_CONNECTIONS_ERROR = Pattern private static final Pattern P_CHECK_CONNECTIONS_ERROR = Pattern
.compile("(zu dicht beieinander|mehrfach vorhanden oder identisch)|(leider konnte zu Ihrer Anfrage keine Verbindung gefunden werden)|(derzeit nur Ausk&#252;nfte vom)"); .compile("(zu dicht beieinander|mehrfach vorhanden oder identisch)|(leider konnte zu Ihrer Anfrage keine Verbindung gefunden werden)|(derzeit nur Ausk&#252;nfte vom)|(zwischenzeitlich nicht mehr gespeichert)");
@Override @Override
public QueryConnectionsResult queryConnections(final Location from, final Location via, final Location to, final Date date, final boolean dep, public QueryConnectionsResult queryConnections(final Location from, final Location via, final Location to, final Date date, final boolean dep,
@ -167,17 +168,6 @@ public final class BahnProvider extends AbstractHafasProvider
final String uri = connectionsQueryUri(from, via, to, date, dep); final String uri = connectionsQueryUri(from, via, to, date, dep);
final CharSequence page = ParserUtils.scrape(uri); final CharSequence page = ParserUtils.scrape(uri);
final Matcher mError = P_CHECK_CONNECTIONS_ERROR.matcher(page);
if (mError.find())
{
if (mError.group(1) != null)
return QueryConnectionsResult.TOO_CLOSE;
if (mError.group(2) != null)
return QueryConnectionsResult.NO_CONNECTIONS;
if (mError.group(3) != null)
return QueryConnectionsResult.INVALID_DATE;
}
List<Location> fromAddresses = null; List<Location> fromAddresses = null;
List<Location> viaAddresses = null; List<Location> viaAddresses = null;
List<Location> toAddresses = null; List<Location> toAddresses = null;
@ -217,7 +207,6 @@ public final class BahnProvider extends AbstractHafasProvider
public QueryConnectionsResult queryMoreConnections(final String uri) throws IOException public QueryConnectionsResult queryMoreConnections(final String uri) throws IOException
{ {
final CharSequence page = ParserUtils.scrape(uri); final CharSequence page = ParserUtils.scrape(uri);
return queryConnections(uri, page); return queryConnections(uri, page);
} }
@ -237,6 +226,19 @@ public final class BahnProvider extends AbstractHafasProvider
private QueryConnectionsResult queryConnections(final String uri, final CharSequence page) throws IOException private QueryConnectionsResult queryConnections(final String uri, final CharSequence page) throws IOException
{ {
final Matcher mError = P_CHECK_CONNECTIONS_ERROR.matcher(page);
if (mError.find())
{
if (mError.group(1) != null)
return QueryConnectionsResult.TOO_CLOSE;
if (mError.group(2) != null)
return QueryConnectionsResult.NO_CONNECTIONS;
if (mError.group(3) != null)
return QueryConnectionsResult.INVALID_DATE;
if (mError.group(4) != null)
throw new SessionExpiredException();
}
final Matcher mHead = P_CONNECTIONS_HEAD.matcher(page); final Matcher mHead = P_CONNECTIONS_HEAD.matcher(page);
if (mHead.matches()) if (mHead.matches())
{ {