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query first page of connection results only once

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git-svn-id: https://public-transport-enabler.googlecode.com/svn/trunk@52 0924bc21-9374-b0fa-ee44-9ff1593b38f0
This commit is contained in:
andreas.schildbach 2010-08-08 12:14:04 +00:00
parent 3a9ea3f93f
commit 515dbf7b13
9 changed files with 132 additions and 118 deletions
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27
src/de/schildbach/pte/RmvProvider.java
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@ -153,6 +153,13 @@ public class RmvProvider implements NetworkProvider
return uri.toString();
}
public QueryConnectionsResult queryMoreConnections(final String uri) throws IOException
{
final CharSequence page = ParserUtils.scrape(uri);
return queryConnections(uri, page);
}
private static final Pattern P_PRE_ADDRESS = Pattern.compile("(?:Geben Sie einen (Startort|Zielort) an.*?)?Bitte wählen Sie aus der Liste",
Pattern.DOTALL);
private static final Pattern P_ADDRESSES = Pattern.compile(
@ -160,19 +167,19 @@ public class RmvProvider implements NetworkProvider
private static final Pattern P_CHECK_CONNECTIONS_ERROR = Pattern.compile(
"(?:(mehrfach vorhanden oder identisch)|(keine Verbindung gefunden werden))", Pattern.CASE_INSENSITIVE);
public CheckConnectionsQueryResult checkConnectionsQuery(final String from, final String via, final String to, final Date date, final boolean dep)
public QueryConnectionsResult queryConnections(final String from, final String via, final String to, final Date date, final boolean dep)
throws IOException
{
final String queryUri = connectionsQueryUri(from, via, to, date, dep);
final CharSequence page = ParserUtils.scrape(queryUri);
final String uri = connectionsQueryUri(from, via, to, date, dep);
final CharSequence page = ParserUtils.scrape(uri);
final Matcher mError = P_CHECK_CONNECTIONS_ERROR.matcher(page);
if (mError.find())
{
if (mError.group(1) != null)
return CheckConnectionsQueryResult.TOO_CLOSE;
return QueryConnectionsResult.TOO_CLOSE;
if (mError.group(2) != null)
return CheckConnectionsQueryResult.NO_CONNECTIONS;
return QueryConnectionsResult.NO_CONNECTIONS;
}
List<String> fromAddresses = null;
@ -206,9 +213,9 @@ public class RmvProvider implements NetworkProvider
}
if (fromAddresses != null || viaAddresses != null || toAddresses != null)
return new CheckConnectionsQueryResult(CheckConnectionsQueryResult.Status.AMBIGUOUS, queryUri, fromAddresses, viaAddresses, toAddresses);
return new QueryConnectionsResult(QueryConnectionsResult.Status.AMBIGUOUS, fromAddresses, viaAddresses, toAddresses);
else
return new CheckConnectionsQueryResult(CheckConnectionsQueryResult.Status.OK, queryUri, null, null, null);
return queryConnections(uri, page);
}
private static final Pattern P_CONNECTIONS_HEAD = Pattern.compile(".*" //
@ -222,10 +229,8 @@ public class RmvProvider implements NetworkProvider
+ "(\\d+:\\d+)-(\\d+:\\d+)</a>" //
+ "(?:&nbsp;(.+?))?", Pattern.DOTALL);
public QueryConnectionsResult queryConnections(final String uri) throws IOException
private QueryConnectionsResult queryConnections(final String uri, final CharSequence page) throws IOException
{
final CharSequence page = ParserUtils.scrape(uri);
final Matcher mHead = P_CONNECTIONS_HEAD.matcher(page);
if (mHead.matches())
{
@ -271,7 +276,7 @@ public class RmvProvider implements NetworkProvider
}
}
return new QueryConnectionsResult(from, to, currentDate, linkEarlier, linkLater, connections);
return new QueryConnectionsResult(uri, from, to, currentDate, linkEarlier, linkLater, connections);
}
else
{