/// <summary> /// Decodes the given string. /// </summary> public override ILocation Decode(string encoded) { if (encoded == null) { throw new ArgumentNullException("encoded"); } // the data in a binary decoder should be a base64 string. byte[] binaryData = null; try { binaryData = Convert.FromBase64String(encoded); } catch (FormatException ex) { // not a base64 string. throw ex; } if (CircleLocationCodec.CanDecode(binaryData)) { return(CircleLocationCodec.Decode(binaryData)); } if (ClosedLineLocationCodec.CanDecode(binaryData)) { return(ClosedLineLocationCodec.Decode(binaryData)); } if (GeoCoordinateLocationCodec.CanDecode(binaryData)) { return(GeoCoordinateLocationCodec.Decode(binaryData)); } if (GridLocationCodec.CanDecode(binaryData)) { return(GridLocationCodec.Decode(binaryData)); } if (LineLocationCodec.CanDecode(binaryData)) { return(LineLocationCodec.Decode(binaryData)); } if (PointAlongLineLocationCodec.CanDecode(binaryData)) { return(PointAlongLineLocationCodec.Decode(binaryData)); } if (PoiWithAccessPointLocationCodec.CanDecode(binaryData)) { return(PoiWithAccessPointLocationCodec.Decode(binaryData)); } if (PolygonLocationCodec.CanDecode(binaryData)) { return(PolygonLocationCodec.Decode(binaryData)); } if (RectangleLocationCodec.CanDecode(binaryData)) { return(RectangleLocationCodec.Decode(binaryData)); } throw new ArgumentException(string.Format("Cannot decode string, no codec found: {0}", encoded)); }
public void DecodeBase64Test() { double delta = 0.0001; // define a base64 string we are sure is a line location. var stringData = Convert.FromBase64String("KwRbnyNGfhJBAv/P/7WSAEw="); // decode. Assert.IsTrue(PointAlongLineLocationCodec.CanDecode(stringData)); var location = PointAlongLineLocationCodec.Decode(stringData); Assert.IsNotNull(location); Assert.IsInstanceOf <PointAlongLineLocation>(location); var pointAlongLineLocation = (location as PointAlongLineLocation); // check first reference. Assert.IsNotNull(pointAlongLineLocation.First); Assert.AreEqual(6.12829, pointAlongLineLocation.First.Coordinate.Longitude, delta); // 6.12829° Assert.AreEqual(49.60597, pointAlongLineLocation.First.Coordinate.Latitude, delta); // 49.60597° Assert.AreEqual(FunctionalRoadClass.Frc2, pointAlongLineLocation.First.FuntionalRoadClass); Assert.AreEqual(FormOfWay.MultipleCarriageWay, pointAlongLineLocation.First.FormOfWay); Assert.AreEqual(FunctionalRoadClass.Frc2, pointAlongLineLocation.First.LowestFunctionalRoadClassToNext); Assert.AreEqual(17, pointAlongLineLocation.First.Bearing.Value, 11.25); // binary encode loses accuracy for bearing. // check second reference. Assert.IsNotNull(pointAlongLineLocation.Last); Assert.AreEqual(6.12779, pointAlongLineLocation.Last.Coordinate.Longitude, delta); // 6.12779° Assert.AreEqual(49.60521, pointAlongLineLocation.Last.Coordinate.Latitude, delta); // 49.60521° Assert.AreEqual(FunctionalRoadClass.Frc2, pointAlongLineLocation.Last.FuntionalRoadClass); Assert.AreEqual(FormOfWay.MultipleCarriageWay, pointAlongLineLocation.Last.FormOfWay); Assert.AreEqual(3, pointAlongLineLocation.Last.Bearing.Value, 11.25); // binary encode loses accuracy for bearing. // check other properties. Assert.AreEqual(Orientation.NoOrientation, pointAlongLineLocation.Orientation); Assert.AreEqual(SideOfRoad.Left, pointAlongLineLocation.SideOfRoad); Assert.AreEqual(30.19, pointAlongLineLocation.PositiveOffsetPercentage, 0.5); // binary encode loses accuracy. }