/// <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.
var stringData = Convert.FromBase64String("QwRbICNGeQFAAH0=");
// decode.
Assert.IsTrue(RectangleLocationCodec.CanDecode(stringData));
var location = RectangleLocationCodec.Decode(stringData);
Assert.IsNotNull(location);
Assert.IsInstanceOf <RectangleLocation>(location);
var rectangleLocation = (location as RectangleLocation);
// check coordinate.
Assert.IsNotNull(rectangleLocation);
Assert.IsNotNull(rectangleLocation.LowerLeft);
Assert.AreEqual(6.12555, rectangleLocation.LowerLeft.Longitude, delta); // 6.12555°
Assert.AreEqual(49.60586, rectangleLocation.LowerLeft.Latitude, delta); // 49.60586°
Assert.IsNotNull(rectangleLocation.UpperRight);
Assert.AreEqual(6.12875, rectangleLocation.UpperRight.Longitude, delta); // 6.12875°
Assert.AreEqual(49.60711, rectangleLocation.UpperRight.Latitude, delta); // 49.60711°
}