我在序列化我的类中的字段时遇到问题,该类是ArrayList的子类。添加到列表中的项目进行序列化,但字段并不:JAXB - 如何序列化集合的子类中的字段
@XmlRootElement
public static class NumberedList extends ArrayList<String>{
@XmlAttribute
private int number = 5;
@XmlList
public List<String> getNames(){
return this;
}
public NumberedList(){
add("a");
add("b");
}
}
@XmlRootElement
public static class FieldTest{
@XmlElement
NumberedList list = new NumberedList();
}
public static void main(String[] args) throws Exception{
JAXBContext context = JAXBContext.newInstance(FieldTest.class);
Marshaller marshaller = context.createMarshaller();
marshaller.marshal(new FieldTest(), System.out);
}
//从序列化NumberedList作为现场输出:没有数字领域存在
<?xml version="1.0" encoding="UTF-8" standalone="yes"?><fieldTest><list>a</list><list>b</list></fieldTest>
奇怪的是当我将列表添加到Map中时,我的类中的字段按照我的预期序列化。
<?xml version="1.0" encoding="UTF-8" standalone="yes"?><mapTest><map><entry><key>1</key><value number="5"><names>a b</names></value></entry></map></mapTest>
任何想法:
@XmlRootElement
public static class NumberedList extends ArrayList<String>{
@XmlAttribute
private int number = 5;
@XmlList
public List<String> getNames(){
return this;
}
public NumberedList(){
add("a");
add("b");
}
}
@XmlRootElement
public static class MapTest{
@XmlElement
Map<Integer, NumberedList> map = Maps.newHashMap();
public MapTest(){
map.put(1, new NumberedList());
}
}
public static void main(String[] args) throws Exception{
JAXBContext context = JAXBContext.newInstance(MapTest.class);
Marshaller marshaller = context.createMarshaller();
marshaller.marshal(new MapTest(), System.out);
}
//从一个地图序列化NumberedList输出?