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();
}
}
