try {
OutputStream outStream = csb.getOutputStream();
XMLStreamWriter writer = XMLOutputFactory.newInstance().createXMLStreamWriter(outStream, DEFAULT_CHARSET);
writer.writeStartDocument(DEFAULT_CHARSET, XML_VERSION);
AtomFeedProducer atomFeedProvider = new AtomFeedProducer(properties);
EntityInfoAggregator eia = EntityInfoAggregator.create(entitySet, properties.getExpandSelectTree());
atomFeedProvider.append(writer, eia, data, false);
writer.flush();
csb.closeWrite();
ODataResponse response = ODataResponse.entity(csb.getInputStream()).build();