private static void CreateDefaultStreamFromVirtualDirectory(NonClosingStream nonClosingStream)
{
var imagePath = HostingEnvironment.MapPath("~/bin/ODataLogo.jpg");
using (var stream = new FileStream(imagePath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
stream.CopyTo(nonClosingStream);
}
}
private static void CreateDefaultStreamFromAssemblyResource(NonClosingStream nonClosingStream)
{
using (var stream = Assembly.GetExecutingAssembly().GetManifestResourceStream("ODataSamples.Services.TripPin.ODataLogo.jpg"))
{
stream.CopyTo(nonClosingStream);
}
}
private static Stream CreateDefaultStream()
{
var result = new NonClosingStream();
try
{
if (HostingEnvironment.IsHosted)
{
try
{
// On IIS based deployment, e.g. Azure, we read image from virtual directory
CreateDefaultStreamFromVirtualDirectory(result);
}
catch (Exception)
{
// to prevent the failure of web service, we read image from assembly resource
CreateDefaultStreamFromAssemblyResource(result);
}
}
else
{
// the code here is for unit test
// when unit test, we are unable to get file from a directory
CreateDefaultStreamFromAssemblyResource(result);
}
result.Seek(0, SeekOrigin.Begin);
}
catch (Exception ex)
{
throw new ODataServiceException(HttpStatusCode.InternalServerError, "The data source initialization of TripPin service failed.", ex);
}
return result;
}
