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autocomplete for all efa based providers

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git-svn-id: https://public-transport-enabler.googlecode.com/svn/trunk@245 0924bc21-9374-b0fa-ee44-9ff1593b38f0
This commit is contained in:
andreas.schildbach 2010-10-06 11:36:18 +00:00
parent b11faf1cd7
commit b4bf75d875
10 changed files with 250 additions and 41 deletions
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91
src/de/schildbach/pte/AbstractEfaProvider.java
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@ -26,7 +26,6 @@ import java.util.GregorianCalendar;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.xmlpull.v1.XmlPullParser;
@ -47,40 +46,76 @@ import de.schildbach.pte.util.XmlPullUtil;
*/
public abstract class AbstractEfaProvider implements NetworkProvider
{
private static final Pattern P_AUTOCOMPLETE = Pattern.compile("" //
+ "(?:" //
+ "<itdOdvAssignedStop stopID=\"(\\d+)\" x=\"(\\d+)\" y=\"(\\d+)\" mapName=\"WGS84\" [^>]* nameWithPlace=\"([^\"]*)\"" //
+ "|" //
+ "<odvNameElem [^>]* locality=\"([^\"]*)\"" //
+ ")");
protected abstract String autocompleteUri(final CharSequence constraint);
public List<Autocomplete> autocompleteStations(final CharSequence constraint) throws IOException
{
final CharSequence page = ParserUtils.scrape(autocompleteUri(constraint));
final String uri = autocompleteUri(constraint);
final List<Autocomplete> results = new ArrayList<Autocomplete>();
final Matcher m = P_AUTOCOMPLETE.matcher(page);
while (m.find())
try
{
if (m.group(1) != null)
{
final int sId = Integer.parseInt(m.group(1));
// final double sLon = latLonToDouble(Integer.parseInt(mAutocomplete.group(2)));
// final double sLat = latLonToDouble(Integer.parseInt(mAutocomplete.group(3)));
final String sName = m.group(4).trim();
results.add(new Autocomplete(LocationType.STATION, sId, sName));
}
else if (m.group(5) != null)
{
final String sName = m.group(5).trim();
results.add(new Autocomplete(LocationType.ANY, 0, sName));
}
}
final CharSequence page = ParserUtils.scrape(uri);
final List<Autocomplete> results = new ArrayList<Autocomplete>();
return results;
final XmlPullParserFactory factory = XmlPullParserFactory.newInstance(System.getProperty(XmlPullParserFactory.PROPERTY_NAME), null);
final XmlPullParser pp = factory.newPullParser();
pp.setInput(new StringReader(page.toString()));
// parse odv name elements
XmlPullUtil.jumpToStartTag(pp, null, "itdOdv");
final String usage = pp.getAttributeValue(null, "usage");
if (!"origin".equals(usage))
throw new IllegalStateException();
XmlPullUtil.nextStartTagInsideTree(pp, null, "itdOdvName");
final String nameState = pp.getAttributeValue(null, "state");
if ("list".equals(nameState))
{
while (XmlPullUtil.nextStartTagInsideTree(pp, null, "odvNameElem"))
{
final String type = pp.getAttributeValue(null, "anyType");
int id = Integer.parseInt(pp.getAttributeValue(null, "id"));
if (id < 0)
id = 0;
final String name = normalizeLocationName(pp.nextText());
results.add(new Autocomplete(type(type), id, name));
}
}
// parse assigned stops
if (XmlPullUtil.jumpToStartTag(pp, null, "itdOdvAssignedStops"))
{
while (XmlPullUtil.nextStartTagInsideTree(pp, null, "itdOdvAssignedStop"))
{
final int id = Integer.parseInt(pp.getAttributeValue(null, "stopID"));
final String name = normalizeLocationName(pp.getAttributeValue(null, "nameWithPlace"));
final Autocomplete autocomplete = new Autocomplete(LocationType.STATION, id, name);
if (!results.contains(autocomplete))
results.add(autocomplete);
XmlPullUtil.skipRestOfTree(pp);
}
}
return results;
}
catch (final XmlPullParserException x)
{
throw new RuntimeException(x);
}
}
private static LocationType type(final String type)
{
if (type.equals("stop"))
return LocationType.STATION;
if (type.equals("poi"))
return LocationType.POI;
if (type.equals("street"))
return LocationType.ADDRESS;
if (type.equals("loc"))
return LocationType.ANY;
throw new IllegalArgumentException("unknown type: " + type);
}
private static final Pattern P_NEARBY_MESSAGES = Pattern.compile("(unsere Server zur Zeit ausgelastet)");