public void ProcessRequest(HttpContext context, Uri serviceBaseUri) { var sparqlGenerator = new SparqlGenerator(_config.Map, _config.DefaultLanguageCode, _config.MaxPageSize); var messageWriterSettings = new ODataMessageWriterSettings(_config.BaseODataWriterSettings) { BaseUri = serviceBaseUri }; if (context.Request.AcceptTypes != null) { messageWriterSettings.SetContentType(String.Join(",", context.Request.AcceptTypes), context.Request.Headers["Accept-Charset"]); } var requestMessage = new HttpDataRequestMessage(context.Request); ODataVersion effectiveVersion = GetEffectiveODataVersion(requestMessage); messageWriterSettings.Version = effectiveVersion; var metadataUri = new Uri(serviceBaseUri, "./$metadata"); if (serviceBaseUri.Equals(context.Request.Url)) { // We need to respond with the service document var responseMessage = new HttpDataResponseMessage(context.Response); context.Response.ContentType = "application/xml"; context.Response.ContentEncoding = System.Text.Encoding.UTF8; var feedGenerator = new ODataFeedGenerator(requestMessage, responseMessage, _config.Map, serviceBaseUri.ToString(), messageWriterSettings); feedGenerator.WriteServiceDocument(); } else if (serviceBaseUri.ToString().TrimEnd('/').Equals(context.Request.Url.ToString().TrimEnd('/'))) { // Trimming of trailing slash to normalize - the serviceBaseUri should always have a trailing slash, // but we will redirect requests that do not to the proper service document url context.Response.RedirectPermanent(serviceBaseUri.ToString(), true); } else if (metadataUri.Equals(context.Request.Url)) { context.Response.ContentType = "application/xml"; context.Response.WriteFile(_config.MetadataPath); } else { var parsedQuery = QueryDescriptorQueryNode.ParseUri( context.Request.Url, serviceBaseUri, _config.Model); sparqlGenerator.ProcessQuery(parsedQuery); var responseMessage = new HttpDataResponseMessage(context.Response); var feedGenerator = new ODataFeedGenerator( requestMessage, responseMessage, _config.Map, serviceBaseUri.ToString(), messageWriterSettings); sparqlGenerator.SparqlQueryModel.Execute(_config.SparqlEndpoint, feedGenerator); context.Response.ContentType = "application/atom+xml"; } }
public void ProcessRequest(HttpContext context, Uri serviceBaseUri) { var sparqlGenerator = new SparqlGenerator(_config.Map, _config.DefaultLanguageCode, _config.MaxPageSize); var messageWriterSettings = new ODataMessageWriterSettings(_config.BaseODataWriterSettings) { BaseUri = serviceBaseUri }; if (context.Request.AcceptTypes != null) { messageWriterSettings.SetContentType(String.Join(",", context.Request.AcceptTypes), context.Request.Headers["Accept-Charset"]); } var requestMessage = new HttpDataRequestMessage(context.Request); ODataVersion effectiveVersion = GetEffectiveODataVersion(requestMessage); messageWriterSettings.Version = effectiveVersion; var metadataUri = new Uri(serviceBaseUri, "./$metadata"); if (serviceBaseUri.Equals(context.Request.Url)) { // We need to respond with the service document var responseMessage = new HttpDataResponseMessage(context.Response); context.Response.ContentType = "application/xml"; context.Response.ContentEncoding = System.Text.Encoding.UTF8; var feedGenerator = new ODataFeedGenerator(requestMessage, responseMessage, _config.Map, serviceBaseUri.ToString(), messageWriterSettings); feedGenerator.WriteServiceDocument(); } else if (serviceBaseUri.ToString().TrimEnd('/').Equals(context.Request.Url.ToString().TrimEnd('/'))) { // Trimming of trailing slash to normalize - the serviceBaseUri should always have a trailing slash, // but we will redirect requests that do not to the proper service document url context.Response.RedirectPermanent(serviceBaseUri.ToString(), true); } else if (metadataUri.Equals(context.Request.Url)) { context.Response.ContentType = "application/xml"; context.Response.WriteFile(_config.MetadataPath); } else { var parsedQuery = QueryDescriptorQueryNode.ParseUri( context.Request.Url, serviceBaseUri, _config.Model); sparqlGenerator.ProcessQuery(parsedQuery); var responseMessage = new HttpDataResponseMessage(context.Response); var feedGenerator = new ODataFeedGenerator( requestMessage, responseMessage, _config.Map, serviceBaseUri.ToString(), messageWriterSettings); sparqlGenerator.SparqlQueryModel.Execute(_config.SparqlEndpoint, feedGenerator); context.Response.ContentType = "application/atom+xml"; } }