private void handleSourcesRequest(HttpServletRequest request,
HttpServletResponse response, Map<String, Object> requestParameters,
RequestModel requestModel) throws Exception
{
response.setContentType(MIME_XML_UTF8);
final PageModel pageModel = new PageModel(webappConfig, request, requestModel,
jawrUrlGenerator, null, null);
final Persister persister = new Persister(
getPersisterFormat(pageModel.requestModel));
persister.write(pageModel, response.getWriter());