public RSResponse Convert(RSResponse original)
{
JsonText = original.StringValue;
PopulateXmlFromJson();
var newResponse = new RSResponse()
{
Type = RSResponse.RSResponseType.Converted,
Text = XmlText,
Satisfied = true,
ContentType = new System.Net.Mime.ContentType("text/xml")
};
return newResponse;
}
/// <summary>
/// Based on request URI, method, and headers; form an appropriate response and carry out necessary actions on the server
/// </summary>
private RSResponse GenerateResponse()
{
var handler = new RouteHandler(_request.HttpMethod);
//ReServer (RS) response object
// Class used to build the raw output
// which will be fed into the HttpResponse OutputStream
RSResponse rsResponse = new RSResponse();
// Check authentication details and return early if not valid
if (!rsRequest.IsAuthorised)
{
return new StatusCodeResponse(HttpStatusCode.Unauthorized);
}
// Check first whether it is a dir
if (Directory.Exists(rsRequest.LocalPath))
{
Output.Write("Directory");
// localPath is a directory:
// Check it ends with a slash
if (rsRequest.PathEndsInSlash)
{
Output.Write("Getting default file");
// Folder root requested:
// Search configured list of default pages
// and perform correct action
rsResponse = handler.HandleDefaultFileRoute(rsRequest.LocalPath, rsRequest.AcceptTypes);
}
else
{
// Re-target the request to the directory itself
// to give correct behaviour when child files are requested
Output.Write(" Lacks terminating slash; redirecting...");
_response.Redirect(_request.Url.AbsoluteUri + '/');
rsResponse = new RedirectionResponse();
}
}
else
{
//Return the requested file
// or perform actions on it as a resource (depending on HttpMethod)
rsResponse = handler.HandleFileRoute(rsRequest, _request.InputStream);
}
//If request was good and statuscode has not been assigned, assign 200
if (rsResponse.Satisfied)
{
if ((int)rsResponse.StatusCode == 0)
{
rsResponse.StatusCode = HttpStatusCode.OK;
}
}
else
{
//If not found, return error or debug info
//TODO change to 404 response?
rsResponse = new TextResponse(rsRequest.Website.Local, _request, HttpStatusCode.NotFound);
}
//Convert the response to a client-preferred Content-Type
// if it actually has content (i.e. not a redirect or error message)
if (rsResponse.HasContent)
{
rsResponse = TryConvertToAcceptableContentType(rsResponse);
_response.ContentType = rsResponse.ContentType.ToString();
}
/*
Copy details to the real HTTP Response object
*/
// Response code (if set)
if (rsResponse.StatusCode != 0)
{
_response.StatusCode = (int)rsResponse.StatusCode;
}
// Additional headers added by the RSResponse
if (rsResponse.AdditionalHeaders != null)
{
foreach (var h in rsResponse.AdditionalHeaders)
{
_response.AppendHeader(h.Key, h.Value);
}
}
return rsResponse;
}
/// <summary>
/// Convert the response to a client-preferred Content-Type
/// </summary>
/// <param name="rsResponse">The response to convert</param>
/// <returns>A new RSResponse with type RSResponseType.Converted
/// and Text containing the converted data</returns>
private RSResponse TryConvertToAcceptableContentType(RSResponse rsResponse)
{
//Process the accept types in descending client preference
foreach (var clientSpecifiedContentTypeOption in rsRequest.AcceptTypes)
{
//If the response is in that type already, or can be
// converted to it, use the type. Otherwise, try next.
string fromType = rsResponse.ContentType.MediaType;
string toType = clientSpecifiedContentTypeOption.MediaType;
if (fromType == toType)
{
Output.Write(String.Format(" Matched {0} (Quality: {1})",
toType.ToString(),
clientSpecifiedContentTypeOption.Quality.ToString()));
_response.ContentType = rsResponse.ContentType.ToString();
break;
}
else
{
//Try to convert
bool canConvert = ConversionGrid.CanConvert(fromType, toType);
if (canConvert)
{
string converterTypeName = ConversionGrid.ConverterFullTypeName(fromType, toType);
Type converterType = Type.GetType(converterTypeName);
if (converterType == null)
{
//Converter not found/implemented
// Try next Accept preference
continue;
}
try
{
//Create a converter which is a JsonToXmlConverter (or whatever)
// and call its convert method.
IConverter converter = (IConverter)Activator.CreateInstance(converterType);
rsResponse = converter.Convert(rsResponse);
Output.Write(" Converted by " + converterType);
}
catch (Exception ex)
{
Output.Write(" Conversion by " + converterType + " failed: " + ex.Message);
}
//Finished; don't check any more Acceptable types
break;
}
}
}
return rsResponse;
}
/// <summary>
/// Based on request URI, method, and headers; form an appropriate response and carry out necessary actions on the server
/// </summary>
public void HandleRequest()
{
Output.Write(Name + " handling '" + _request.Url.AbsoluteUri + "'");
rsRequest = new RSRequest(_request.Url);
//ReServer (RS) response object
// Class used to build the raw output
// which will be fed into the HttpResponse OutputStream
RSResponse rsResponse = new RSResponse();
// Check first whether it is a dir
if (Directory.Exists(rsRequest.LocalPath))
{
Output.Write("Directory");
// localPath is a directory:
// Check it ends with a slash
if (rsRequest.PathEndsInSlash())
{
Output.Write("Getting default file");
// Folder root requested:
// Search configured list of default pages
rsResponse = new DefaultFileResponse(rsRequest.LocalPath, rsRequest.AcceptTypes);
}
else
{
// Re-target the request to the directory itself
// to give correct behaviour when child files are requested
Output.Write(" Lacks terminating slash; redirecting...");
_response.Redirect(_request.Url.AbsoluteUri + '/');
rsResponse = new RedirectionResponse();
}
}
else
{
//Return the requested file
rsResponse = new FileResponse(rsRequest.LocalPath, rsRequest.AcceptTypes);
}
//If not found, return error or debug info
if (!rsResponse.Satisfied)
{
//This is kind of temporary
rsResponse = new TextResponse(rsRequest.Website.Local, _request, HttpStatusCode.NotFound);
}
//Convert the response to a client-preferred Content-Type
// UNLESS this is a redirect scenario
if (rsResponse.Type != RSResponse.RSResponseType.Redirect)
{
rsResponse = TryConvertToAcceptableContentType(rsResponse);
}
//Set headers
// Logical headers like content type
_response.ContentType = rsResponse.ContentType.ToString();
// Additional headers added by the RSResponse
foreach (var h in rsResponse.AdditionalHeaders)
{
_response.Headers.Add(h);
}
// Feed the bytes using outputstream and close
_response.ContentLength64 = rsResponse.Bytes.Length;
Stream output = _response.OutputStream;
output.Write(rsResponse.Bytes, 0, rsResponse.Bytes.Length);
output.Close();
}
