} else if (request.type().isCopyPasteExport()) {
this.respondToExportXMLRequest(request, new CopyPasteNodeWriter(),
exchange);
return;
} else if (request.type().isExportXML()) {
this.respondToExportXMLRequest(request, new ExportNodeWriter(),
exchange);
return;
} else if (request.type().isExportJSON()) {
this.respondToExportJSONRequest(request,
new ExportJSONNodeWriter(),