public void Request(IServiceRequestContext context) { if (context == null || context.ServiceRequest == null) { return; } if (_mapServer == null) { return; } MiscParameterDescriptor parameters = new MiscParameterDescriptor(); if (!parameters.ParseParameters(context.ServiceRequest.Request.Split('&'))) { _mapServer.Log("Invalid Parameters", loggingMethod.error, context.ServiceRequest.Request); return; } using (IServiceMap map = context.ServiceMap) // _mapServer[context]; { if (map == null) { _mapServer.Log("Invalid Map", loggingMethod.error, context.ServiceRequest.Request); return; } QueryFilter filter = parameters.BBOX != null ? new SpatialFilter() : new QueryFilter(); filter.SubFields = "*"; if (parameters.BBOX != null) { ((SpatialFilter)filter).Geometry = parameters.BBOX; } ISpatialReference sRef = SpatialReference.FromID("epsg:4326"); filter.FeatureSpatialReference = sRef; if (filter is SpatialFilter) { ((SpatialFilter)filter).FilterSpatialReference = sRef; } // Get Layers List <ILayer> queryLayers = new List <ILayer>(); foreach (string l in parameters.LAYERS) { if (l == String.Empty || l[0] != 'c') { continue; } MapServerHelper.Layers layers = MapServerHelper.FindMapLayers(map, _useTOC, l.Substring(1, l.Length - 1)); if (layers == null) { continue; } foreach (ILayer layer in layers) { queryLayers.Add(layer); } } StringBuilder sb = new StringBuilder(); foreach (ILayer layer in queryLayers) { if (layer is IFeatureLayer && ((IFeatureLayer)layer).FeatureClass != null) { using (IFeatureCursor cursor = ((IFeatureLayer)layer).FeatureClass.Search(filter) as IFeatureCursor) { Stream stream = gView.Framework.OGC.KML.KML.ToKml(cursor, 1000); stream.Position = 0; byte[] bytes = new byte[(int)stream.Length]; stream.Read(bytes, 0, bytes.Length); sb.Append(Encoding.UTF8.GetString(bytes)); } } } context.ServiceRequest.Response = sb.ToString(); } }
public void Request(IServiceRequestContext context) { if (context == null || context.ServiceRequest == null) { return; } if (_mapServer == null) { return; } MiscParameterDescriptor parameters = new MiscParameterDescriptor(); if (!parameters.ParseParameters(context.ServiceRequest.Request.Split('&'))) { _mapServer.Log("Invalid Parameters", loggingMethod.error, context.ServiceRequest.Request); return; } using (IServiceMap map = context.ServiceMap) // _mapServer[context]; { if (map == null) { _mapServer.Log("Invalid Map", loggingMethod.error, context.ServiceRequest.Request); return; } QueryFilter filter = parameters.BBOX != null ? new SpatialFilter() : new QueryFilter(); filter.SubFields = "*"; if (parameters.BBOX != null) { ((SpatialFilter)filter).Geometry = parameters.BBOX; } if (!String.IsNullOrEmpty(parameters.SRS)) { ISpatialReference sRef = SpatialReference.FromID(parameters.SRS); filter.FeatureSpatialReference = sRef; if (filter is SpatialFilter) { ((SpatialFilter)filter).FilterSpatialReference = sRef; } } // Get Layers List <ILayer> queryLayers = new List <ILayer>(); foreach (string l in parameters.LAYERS) { if (l == String.Empty || l[0] != 'c') { continue; } MapServerHelper.Layers layers = MapServerHelper.FindMapLayers(map, _useTOC, l.Substring(1, l.Length - 1)); if (layers == null) { continue; } foreach (ILayer layer in layers) { queryLayers.Add(layer); } } StringBuilder sb = new StringBuilder(); sb.Append("{'type':'FeatureCollection','features':["); foreach (ILayer layer in queryLayers) { if (layer is IFeatureLayer && ((IFeatureLayer)layer).FeatureClass != null) { using (IFeatureCursor cursor = ((IFeatureLayer)layer).FeatureClass.Search(filter) as IFeatureCursor) { string json = gView.Framework.OGC.GeoJson.GeoJson.ToGeoJsonFeatures(cursor, parameters.MaxFeatures); sb.Append(json); } } } sb.Append("]}"); context.ServiceRequest.Response = sb.ToString(); } }