AppHarbor.TransformTester.Controllers.TransformController.Create C# (CSharp) Method

        public ActionResult Create(string webConfigXml, string transformXml)
        {
            try
            {
                using (var document = new XmlTransformableDocument())
                {
                    document.PreserveWhitespace = true;
                    document.LoadXml(webConfigXml);

                    using (var transform = new XmlTransformation(transformXml, false, null))
                    {
                        if (transform.Apply(document))
                        {
                            var stringBuilder = new StringBuilder();
                            var xmlWriterSettings = new XmlWriterSettings();
                            xmlWriterSettings.Indent = true;
                            xmlWriterSettings.IndentChars = "    ";
                            using (var xmlTextWriter = XmlTextWriter.Create(stringBuilder, xmlWriterSettings))
                            {
                                document.WriteTo(xmlTextWriter);
                            }
                            return Content(stringBuilder.ToString(), "text/xml");
                        }
                        else
                        {
                            return ErrorXml("Transformation failed for unkown reason");
                        }
                    }
                }
            }
            catch (XmlTransformationException xmlTransformationException)
            {
                return ErrorXml(xmlTransformationException.Message);
            }
            catch (XmlException xmlException)
            {
                return ErrorXml(xmlException.Message);
            }
        }