JAXBMessage.java 文件源码

@Override
public XMLStreamReader readPayload() throws XMLStreamException {
   try {
        if(infoset==null) {
                            if (rawContext != null) {
                    XMLStreamBufferResult sbr = new XMLStreamBufferResult();
                                    Marshaller m = rawContext.createMarshaller();
                                    m.setProperty("jaxb.fragment", Boolean.TRUE);
                                    m.marshal(jaxbObject, sbr);
                    infoset = sbr.getXMLStreamBuffer();
                            } else {
                                MutableXMLStreamBuffer buffer = new MutableXMLStreamBuffer();
                                writePayloadTo(buffer.createFromXMLStreamWriter());
                                infoset = buffer;
                            }
        }
        XMLStreamReader reader = infoset.readAsXMLStreamReader();
        if(reader.getEventType()== START_DOCUMENT)
            XMLStreamReaderUtil.nextElementContent(reader);
        return reader;
    } catch (JAXBException e) {
       // bug 6449684, spec 4.3.4
       throw new WebServiceException(e);
    }
}