<dependency>
<groupId>javax.xml.bind</groupId>
<artifactId>jaxb-api</artifactId>
<version>2.3.1</version>
</dependency>
import javax.xml.bind.annotation.*;
@XmlRootElement
@XmlAccessorType(XmlAccessType.FIELD)
public class Person {
@XmlAttribute
private String name;
@XmlElement
private int age;
}
import javax.xml.bind.*;
public class XmlUtils {
public static String toXml(Object obj) throws JAXBException {
JAXBContext context = JAXBContext.newInstance(obj.getClass());
Marshaller marshaller = context.createMarshaller();
marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
StringWriter writer = new StringWriter();
marshaller.marshal(obj, writer);
return writer.toString();
}
public static <T> T fromXml(String xml, Class<T> clazz) throws JAXBException {
JAXBContext context = JAXBContext.newInstance(clazz);
Unmarshaller unmarshaller = context.createUnmarshaller();
StringReader reader = new StringReader(xml);
return clazz.cast(unmarshaller.unmarshal(reader));
}
}
public class Main {
public static void main(String[] args) throws JAXBException {
Person person = new Person();
person.setAge(20);
String xml = XmlUtils.toXml(person);
System.out.println(xml);
Person newPerson = XmlUtils.fromXml(xml, Person.class);
System.out.println(newPerson.getName());
System.out.println(newPerson.getAge());
}
}
