public void FeatureCollection()
{
var reader = new GeoJsonReader();
var features = new FeatureCollection(new[] {new Feature(new Point(0, 0)) {Id = "test-id"}});
Assert.AreEqual(@"{""type"":""FeatureCollection"",""features"":[{""type"":""Feature"",""geometry"":{""type"":""Point"",""coordinates"":[0,0]},""properties"":null,""id"":""test-id""}]}",
features.ToGeoJson()
);
var features2 = (FeatureCollection)reader.Read(features.ToGeoJson());
Assert.AreEqual(features.Features.Single().Geometry, features2.Features.Single().Geometry);
}
private bool TryParseFeatureCollection(JsonObject obj, out object result)
{
result = null;
string typeString;
if (TryParseTypeString(obj, out typeString) && typeString.ToLowerInvariant() == "featurecollection")
{
var features = obj["features"] as JsonArray;
if (features != null)
{
var temp = new object[features.Count];
for (var index = 0; index < features.Count; index++)
{
var geometry = features[index];
if (!TryParseFeature((JsonObject) geometry, out temp[index]))
return false;
}
result = new FeatureCollection(temp.Cast<Feature>());
return true;
}
}
return false;
}
public string Write(FeatureCollection featureCollection)
{
return(SimpleJson.SerializeObject(WriteFeatureCollection(featureCollection)));
}
private Dictionary<string, object> WriteFeatureCollection(FeatureCollection featureCollection)
{
return new Dictionary<string, object>
{
{ "type", "FeatureCollection" },
{ "features", featureCollection.Features.Select(WriteFeature).ToArray() }
};
}
public string Write(FeatureCollection featureCollection)
{
return SimpleJson.SerializeObject(WriteFeatureCollection(featureCollection));
}
