public XmlBeanSerializer(BeanSerializerBase src) {
super(src);
/* Then make sure attributes are sorted before elements, keep track
* of how many there are altogether
*/
int attrCount = 0;
for (BeanPropertyWriter bpw : _props) {
if (_isAttribute(bpw)) { // Yup: let's build re-ordered list then
attrCount = _orderAttributesFirst(_props, _filteredProps);
break;
}
}
_attributeCount = attrCount;
// And then collect namespace information
_xmlNames = new QName[_props.length];
int textIndex = -1;
for (int i = 0, len = _props.length; i < len; ++i) {
BeanPropertyWriter bpw = _props[i];
XmlInfo info = (XmlInfo) bpw.getInternalSetting(KEY_XML_INFO);
String ns = null;
if (info != null) {
ns = info.getNamespace();
if (textIndex < 0 && info.isText()) {
textIndex = i;
}
}
_xmlNames[i] = new QName((ns == null) ? "" : ns, bpw.getName());
}
_textPropertyIndex = textIndex;
}
/**
* Main serialization method needs to be overridden to allow XML-specific extra handling, such as
* indication of whether to write attributes or elements.
*/
@Override
protected void serializeFields(Object bean, JsonGenerator jgen0, SerializerProvider provider)
throws IOException, JsonGenerationException {
// 19-Aug-2013, tatu: During 'convertValue()', need to skip
if (!(jgen0 instanceof ToXmlGenerator)) {
super.serializeFields(bean, jgen0, provider);
return;
}
final ToXmlGenerator xgen = (ToXmlGenerator) jgen0;
final BeanPropertyWriter[] props;
if (_filteredProps != null && provider.getActiveView() != null) {
props = _filteredProps;
} else {
props = _props;
}
final int attrCount = _attributeCount;
if (attrCount > 0) {
xgen.setNextIsAttribute(true);
}
final int textIndex = _textPropertyIndex;
final QName[] xmlNames = _xmlNames;
int i = 0;
try {
for (final int len = props.length; i < len; ++i) {
if (i == attrCount) {
xgen.setNextIsAttribute(false);
}
// also: if this is property to write as text ("unwrap"), need to:
if (i == textIndex) {
xgen.setNextIsUnwrapped(true);
}
xgen.setNextName(xmlNames[i]);
BeanPropertyWriter prop = props[i];
if (prop != null) { // can have nulls in filtered list
prop.serializeAsField(bean, xgen, provider);
}
// Reset to avoid next value being written as unwrapped,
// for example when property is suppressed
if (i == textIndex) {
xgen.setNextIsUnwrapped(false);
}
}
if (_anyGetterWriter != null) {
_anyGetterWriter.getAndSerialize(bean, xgen, provider);
}
} catch (Exception e) {
String name = (i == props.length) ? "[anySetter]" : props[i].getName();
wrapAndThrow(provider, e, bean, name);
} catch (StackOverflowError e) { // Bit tricky, can't do more calls as stack is full; so:
JsonMappingException mapE =
new JsonMappingException("Infinite recursion (StackOverflowError)");
String name = (i == props.length) ? "[anySetter]" : props[i].getName();
mapE.prependPath(new JsonMappingException.Reference(bean, name));
throw mapE;
}
}
@Override
public List<BeanPropertyWriter> changeProperties(
SerializationConfig config,
BeanDescription beanDesc,
List<BeanPropertyWriter> beanProperties) {
for (int i = 0; i < beanProperties.size(); ++i) {
final BeanPropertyWriter writer = beanProperties.get(i);
if (Optional.class.isAssignableFrom(writer.getPropertyType())) {
beanProperties.set(i, new GuavaOptionalBeanPropertyWriter(writer));
}
}
return beanProperties;
}
// need to override as we must get unwrapping instance...
@Override
public void assignSerializer(JsonSerializer<Object> ser) {
super.assignSerializer(ser);
if (_serializer != null) {
NameTransformer t = _nameTransformer;
if (_serializer.isUnwrappingSerializer()) {
t =
NameTransformer.chainedTransformer(
t, ((UnwrappingBeanSerializer) _serializer)._nameTransformer);
}
_serializer = _serializer.unwrappingSerializer(t);
}
}
protected static boolean _isAttribute(BeanPropertyWriter bpw) {
XmlInfo info = (XmlInfo) bpw.getInternalSetting(KEY_XML_INFO);
return (info != null) && info.isAttribute();
}
