/// <summary>
/// Given a list of requests, and a matching list of responses,
/// this function reprojects the responses to match the request coordinate system
/// </summary>
/// <param name="gs">The GeocoderSource that was used</param>
/// <param name="processedRequests">The initial list of requests</param>
/// <param name="responses">The corresponding list of responses</param>
protected void ReprojectResponses(GeocoderSource gs, IList <GeocodeRequest> processedRequests, IList <GeocodeResponse> responses)
{
// 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.
if (processedRequests.Count != responses.Count)
{
return;
}
for (int i = 0, max = processedRequests.Count; i < max; i++)
{
GeocodeRequest request = processedRequests[i];
GeocodeResponse response = responses[i];
if (response.Candidates.Count == 0)
{
continue;
}
_coordinateSystem = gs.CoordinateSystem;
if (request.CoordinateSystem != null)
{
foreach (GeocodeCandidate candidate in response.Candidates)
{
IPoint p = Reprojector.Reproject(gs.CoordinateSystem, request.CoordinateSystem,
candidate.Longitude,
candidate.Latitude);
candidate.Longitude = p.X;
candidate.Latitude = p.Y;
}
}
}
}
/// <summary>
/// Creates a response.
/// </summary>
/// <param name="candidates">All the candidates that matched the request.</param>
/// <param name="geocodeSource">The source that is creating this response.</param>
/// <param name="strictAddressMatch">A flag indicating whether all of the parts of the address
/// were used by the geocoder. True if all parts of the input address
/// were passed to the geocoder, and false otherwise.</param>
public GeocodeResponse(IEnumerable<GeocodeCandidate> candidates, GeocoderSource geocodeSource, bool strictAddressMatch)
{
GeocodeSource = geocodeSource;
Candidates = candidates != null ? new List<GeocodeCandidate>(candidates)
: new List<GeocodeCandidate>();
Candidates.Sort();
StrictAddressMatch = strictAddressMatch;
}
/// <summary>
/// Creates a response.
/// </summary>
/// <param name="candidates">All the candidates that matched the request.</param>
/// <param name="geocodeSource">The source that is creating this response.</param>
/// <param name="strictAddressMatch">A flag indicating whether all of the parts of the address
/// were used by the geocoder. True if all parts of the input address
/// were passed to the geocoder, and false otherwise.</param>
public GeocodeResponse(IEnumerable <GeocodeCandidate> candidates, GeocoderSource geocodeSource, bool strictAddressMatch)
{
GeocodeSource = geocodeSource;
Candidates = candidates != null ? new List <GeocodeCandidate>(candidates)
: new List <GeocodeCandidate>();
Candidates.Sort();
StrictAddressMatch = strictAddressMatch;
}
/// <summary>
/// Constructs the geocoder, reading the list of sources from the specified
/// section of the given config.
/// </summary>
/// <param name="config">Config object with the geocoder configuration.</param>
/// <param name="sectionName">Section of the config that the geocoding sources are in.</param>
public Geocoder(Config config, string sectionName) : base(config, sectionName)
{
IList <KeyValuePair <string, string> > sourceLines = config.GetParametersAsList(sectionName);
foreach (KeyValuePair <string, string> sourceLine in sourceLines)
{
try
{
// Key is the config section name for that geocoder source,
string sourceConfigSection = sourceLine.Key;
// value is the class name.
string typeName = sourceLine.Value;
Type geocoderSourceType = Type.GetType(typeName);
if (geocoderSourceType == null)
{
throw new ConfigurationErrorsException("GeocoderSourceClass '" + typeName +
"' was specified, but we were unable to get type info. Are you missing a DLL?");
}
Type[] constructorParamTypes = new[] { typeof(Config), typeof(string) };
ConstructorInfo constr = geocoderSourceType.GetConstructor(constructorParamTypes);
if (constr == null)
{
throw new ConfigurationErrorsException("GeocoderSourceClass '" + typeName +
"' was specified, but we were unable to get constructor info.");
}
GeocoderSource source = (GeocoderSource)constr.Invoke(new object[] { config, sourceConfigSection });
_geocoderSources.Add(source);
}
catch (Exception e)
{
throw new LoggingException("Unable to load geocoder source '" +
sourceLine.Key + "', '" + sourceLine.Value + "'.", e);
}
}
if (_geocoderSources.Count == 0)
{
throw new LoggingException("No geocoding sources specified in section " + sectionName +
", unable to construct geocoder.");
}
}
/// <summary>
/// Creates a response.
/// </summary>
/// <param name="candidates">All the candidates that matched the request.</param>
/// <param name="geocodeSource">The source that is creating this response.</param>
public GeocodeResponse(IEnumerable<GeocodeCandidate> candidates, GeocoderSource geocodeSource)
: this(candidates, geocodeSource, true)
{
}
/// <summary>
/// Creates a response.
/// </summary>
/// <param name="candidates">All the candidates that matched the request.</param>
/// <param name="geocodeSource">The source that is creating this response.</param>
public GeocodeResponse(IEnumerable <GeocodeCandidate> candidates, GeocoderSource geocodeSource)
: this(candidates, geocodeSource, true)
{
}
/// <summary>
/// Given a list of requests, and a matching list of responses,
/// this function reprojects the responses to match the request coordinate system
/// </summary>
/// <param name="gs">The GeocoderSource that was used</param>
/// <param name="processedRequests">The initial list of requests</param>
/// <param name="responses">The corresponding list of responses</param>
protected void ReprojectResponses(GeocoderSource gs, IList<GeocodeRequest> processedRequests, IList<GeocodeResponse> responses)
{
// 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.
if (processedRequests.Count != responses.Count)
return;
for (int i = 0, max = processedRequests.Count; i < max; i++)
{
GeocodeRequest request = processedRequests[i];
GeocodeResponse response = responses[i];
if (response.Candidates.Count == 0)
continue;
_coordinateSystem = gs.CoordinateSystem;
if (request.CoordinateSystem != null)
{
foreach (GeocodeCandidate candidate in response.Candidates)
{
IPoint p = Reprojector.Reproject(gs.CoordinateSystem, request.CoordinateSystem,
candidate.Longitude,
candidate.Latitude);
candidate.Longitude = p.X;
candidate.Latitude = p.Y;
}
}
}
}
