Java tutorial
import java.io.StringReader; import javax.xml.bind.*; public class Main { private static final String XML = "<root><foo>Hello</foo><bar>World</bar></root>"; public static void main(String[] args) throws Exception { JAXBContext jc = JAXBContext.newInstance(Root.class); Unmarshaller unmarshaller = jc.createUnmarshaller(); Marshaller marshaller = jc.createMarshaller(); marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true); // Unmarshal #1 = Default Unmarshal System.out.println("Unmarshal #1"); Root root = (Root) unmarshaller.unmarshal(new StringReader(XML)); marshaller.marshal(root, System.out); // Unmarshal #2 - Override Default ValidationEventHandler System.out.println("Unmarshal #2"); unmarshaller.setEventHandler(new ValidationEventHandler() { @Override public boolean handleEvent(ValidationEvent event) { System.out.println(event.getMessage()); return false; } }); unmarshaller.unmarshal(new StringReader(XML)); } }