JAXBEncoderDecoder.java 文件源码

public static void marshallException(Marshaller marshaller, Exception elValue,
                                     MessagePartInfo part, Object source) {
    XMLStreamWriter writer = getStreamWriter(source);
    QName qn = part.getElementQName();
    try {
        writer.writeStartElement("ns1", qn.getLocalPart(), qn.getNamespaceURI());
        Class<?> cls = part.getTypeClass();
        XmlAccessorType accessorType = cls.getAnnotation(XmlAccessorType.class);
        if (accessorType == null && cls.getPackage() != null) {
            accessorType = cls.getPackage().getAnnotation(XmlAccessorType.class);
        }
        XmlAccessType accessType = accessorType != null
            ? accessorType.value() : XmlAccessType.PUBLIC_MEMBER;
        String namespace = part.getElementQName().getNamespaceURI();

        SchemaInfo sch = part.getMessageInfo().getOperation().getInterface()
            .getService().getSchema(namespace);
        if (sch != null) {
            if (!sch.isElementFormQualified()) {
                namespace = null;
            }
        } else {
            LOG.warning("Schema associated with " + namespace + " is null");
        }

        for (Field f : cls.getDeclaredFields()) {
            if (JAXBContextInitializer.isFieldAccepted(f, accessType)) {
                QName fname = new QName(namespace, f.getName());
                f.setAccessible(true);
                if (JAXBSchemaInitializer.isArray(f.getGenericType())) {
                    writeArrayObject(marshaller, writer, fname, f.get(elValue));                        
                } else {
                    writeObject(marshaller, writer, new JAXBElement(fname, String.class, 
                                                                    f.get(elValue)));
                }
            }
        }
        for (Method m : cls.getMethods()) {
            if (JAXBContextInitializer.isMethodAccepted(m, accessType)) {
                int idx = m.getName().startsWith("get") ? 3 : 2;
                String name = m.getName().substring(idx);
                name = Character.toLowerCase(name.charAt(0)) + name.substring(1);
                QName mname = new QName(namespace, name);
                if (JAXBSchemaInitializer.isArray(m.getGenericReturnType())) {
                    writeArrayObject(marshaller, writer, mname, m.invoke(elValue));
                } else {
                    writeObject(marshaller, writer, new JAXBElement(mname, String.class, 
                                                                    m.invoke(elValue)));
                }
            }
        }

        writer.writeEndElement();
        writer.flush();
    } catch (Exception e) {
        throw new Fault(new Message("MARSHAL_ERROR", LOG, e.getMessage()), e);
    }
}