Woopsa.HTTPResponse.SetHeader C# (CSharp) Method

        public void SetHeader(string header, string value)
        {
            _headers[header] = value;
        }

        private void HandleRequest(WoopsaVerb verb, HTTPRequest request, HTTPResponse response)
        {
            try
            {
                // This is the first thing we do, that way even 404 errors have the right headers
                if (AllowCrossOrigin)
                {
                    // TODO: constantes symboliques
                    response.SetHeader("Access-Control-Allow-Origin", "*");
                }
                string result = null;
                ExecuteBeforeWoopsaModelAccess();
                try
                {
                    switch (verb)
                    {
                    case WoopsaVerb.Meta:
                        result = GetMetadata(request.Subroute);
                        break;

                    case WoopsaVerb.Read:
                        result = ReadValue(request.Subroute);
                        break;

                    case WoopsaVerb.Write:
                        result = WriteValue(request.Subroute, request.Body["value"]);
                        break;

                    case WoopsaVerb.Invoke:
                        result = InvokeMethod(request.Subroute, request.Body);
                        break;
                    }
                }
                finally
                {
                    ExecuteAfterWoopsaModelAccess();
                }
                response.SetHeader(HTTPHeader.ContentType, MIMETypes.Application.JSON);
                if (result != null)
                {
                    response.WriteString(result);
                }
            }
            catch (WoopsaNotFoundException e)
            {
                response.WriteError(HTTPStatusCode.NotFound, e.Message, WoopsaFormat.Serialize(e), MIMETypes.Application.JSON);
            }
            catch (WoopsaInvalidOperationException e)
            {
                response.WriteError(HTTPStatusCode.BadRequest, e.Message, WoopsaFormat.Serialize(e), MIMETypes.Application.JSON);
            }
            catch (WoopsaException e)
            {
                response.WriteError(HTTPStatusCode.InternalServerError, e.Message, WoopsaFormat.Serialize(e), MIMETypes.Application.JSON);
            }
            catch (Exception e)
            {
                response.WriteError(HTTPStatusCode.InternalServerError, e.Message, WoopsaFormat.Serialize(e), MIMETypes.Application.JSON);
            }
        }