// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.io;
import java.util.Set;
import java.util.function.Function;
import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
import org.openstreetmap.josm.gui.preferences.server.OverpassServerPreference;
import org.openstreetmap.josm.tools.Utils;
/**
* Retrieves a set of {@link org.openstreetmap.josm.data.osm.OsmPrimitive}s from an Overpass API server.
*
* @since 9241
*/
class MultiFetchOverpassObjectReader extends MultiFetchServerObjectReader {
@Override
protected String buildRequestString(final OsmPrimitiveType type, Set<Long> idPackage) {
final Function<Long, Object> toOverpassExpression = x -> type.getAPIName() + '(' + x + ");>;";
final String query = '(' + Utils.join("", Utils.transform(idPackage, toOverpassExpression)) + ");out meta;";
return "interpreter?data=" + Utils.encodeUrl(query);
}
@Override
protected String getBaseUrl() {
return OverpassServerPreference.getOverpassServer();
}
@Override
protected boolean recursesDown() {
// see https://wiki.openstreetmap.org/wiki/Overpass_API/Overpass_QL#Recurse_down_.28.3E.29 for documentation
// accomplished using >; in the query string above
return true;
}
}