/// <summary>
/// Serializes the data using the specified IDataWriter
/// </summary>
/// <param name="context">ControllerContext</param>
public override void ExecuteResult(ControllerContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
HttpRequestBase request = context.HttpContext.Request;
HttpResponseBase response = context.HttpContext.Response;
IDataWriter writer = this.Provider.Find(request.Headers["Accept"], request.Headers["Content-Type"]);
if (writer == null)
{
writer = this.Provider.Find(request.RawUrl);
}
if (writer == null)
{
writer = this.Provider.DefaultDataWriter;
}
if (writer == null)
{
throw new InvalidOperationException("No available IDataWriter implementations");
}
// need this to write out custom error objects
response.TrySkipIisCustomErrors = true;
if (this.HttpStatusCode != default(HttpStatusCode))
{
response.StatusCode = (int)this.HttpStatusCode;
}
if (String.IsNullOrEmpty(writer.ContentType))
{
// use the default content type
response.ContentType = DataResult.DefaultContentType;
}
else
{
// set the response content type
response.ContentType = writer.ContentType;
}
if (writer.ContentEncoding != null)
{
// set the response content encoding
response.ContentEncoding = writer.ContentEncoding;
}
string ext = writer.FileExtension;
string filename = this.Filename;
if (!String.IsNullOrEmpty(ext) ||
!String.IsNullOrEmpty(filename))
{
if (String.IsNullOrEmpty(filename))
{
filename = request.RawUrl;
}
filename = this.ScrubFilename(filename, ext ?? String.Empty);
// this helps IE determine the Content-Type
// http://tools.ietf.org/html/rfc2183#section-2.3
ContentDisposition disposition = new ContentDisposition
{
Inline = true,
FileName = filename
};
response.AddHeader("Content-Disposition", disposition.ToString());
}
if (this.Data != null)
{
writer.Serialize(response.Output, this.Data);
}
}