xml – 使用JAXB进行部分解组

/**
 * User: r.ibragimov
 * Date: 04.06.13
 */
public class PartialJAXB1 {

    public static void main(String[] args) throws JAXBException,XMLStreamException,FileNotFoundException {

        final QName qName = new QName("http://www.domain.com","Contract");

        InputStream inputStream = new FileInputStream(new File("c:test.xml"));

        // create xml event reader for input stream
        XMLInputFactory xmlInputFactory = XMLInputFactory.newInstance();
        XMLEventReader xmlEventReader = xmlInputFactory.createXMLEventReader(inputStream);

        // initialize jaxb
        JAXBContext context = JAXBContext.newInstance(Records.class);
        Unmarshaller unmarshaller = context.createUnmarshaller();

        XMLEvent e = null;

        // loop though the xml stream
        while( (e = xmlEventReader.peek()) != null ) {

            // check the event is a Document start element
            if(e.isStartElement() && ((StartElement)e).getName().equals(qName)) {

                // unmarshall the document
                Records.Contract contract = unmarshaller.unmarshal(xmlEventReader,Records.Contract.class).getValue();
                System.out.println(contract);
            } else {
                xmlEventReader.next();
            }

        }

    }
}