/// <summary>
/// Geocodes the given input and returns a response.
/// </summary>
/// <param name="request">The request to geocode.</param>
/// <returns>The response to the request, will not be null even if there are no
/// matches.</returns>
protected override GeocodeResponse InternalGeocode(GeocodeRequest request)
{
GeocodeResponse gRes = null;
foreach (GeocoderSource gs in _geocoderSources)
{
gRes = gs.Geocode(request);
if (gRes.Candidates.Count > 0)
{
// If a specific coordinate system was requested,
// reproject from the goeocoder coordinate system to the
// requested coordinate system. We also need to identify
// what CS we are returning in as well.
_coordinateSystem = gs.CoordinateSystem;
if (request.CoordinateSystem != null)
{
foreach (GeocodeCandidate candidate in gRes.Candidates)
{
IPoint p = Reprojector.Reproject(gs.CoordinateSystem, request.CoordinateSystem,
candidate.Longitude,
candidate.Latitude);
candidate.Longitude = p.X;
candidate.Latitude = p.Y;
}
}
break;
}
}
if (gRes == null)
{
throw new LoggingException(
"Internal state error, should never have a null object at this point. Num sources: " +
_geocoderSources.Count);
}
return(gRes);
}
/// <summary>
/// Takes a geocoding response, and runs it through all of the ResponseProcessors.
/// </summary>
/// <param name="geocodeResponse"></param>
private void ProcessResponse(GeocodeResponse geocodeResponse)
{
foreach (IResponseProcessor rp in _processors[typeof(IResponseProcessor)])
{
rp.ProcessResponse(geocodeResponse);
}
}
