DomXmlDataFormatMapper.java 文件源码

public Object mapJavaToInternal(Object parameter) {
  ensureNotNull("Parameter", parameter);

  final Class<?> parameterClass = parameter.getClass();
  final DOMResult domResult = new DOMResult();

  try {
    Marshaller marshaller = getMarshaller(parameterClass);

    boolean isRootElement = parameterClass.getAnnotation(XmlRootElement.class) != null;
    if(isRootElement) {
      marshalRootElement(parameter, marshaller, domResult);
    }
    else {
      marshalNonRootElement(parameter, marshaller, domResult);
    }

    Node node = domResult.getNode();
    return ((Document)node).getDocumentElement();

  } catch (JAXBException e) {
    throw LOG.unableToMapInput(parameter, e);
  }
}