package jaxb;

import java.io.File;
import java.time.LocalDate;
import java.time.Month;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;

/*
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 * and open the template in the editor.
 */
/**
 *
 * @author LiShixi
 */
public class TestJAXB {

    public static void main(String[] args) {

        TestJAXB testJAXB = new TestJAXB();
        testJAXB.toXml();
        testJAXB.readXml();

    }

    public void toXml() {

        DemoBeanListWrapper lw = new DemoBeanListWrapper();
        for (int i = 0; i < 37; i++) {
            DemoBean dd = new DemoBean();
            dd.setAge(1);
            dd.setName("test" + i);
            dd.setBirthday(LocalDate.of(1990, Month.MAY, 6));
            lw.getList().add(dd);
        }

        try {
            JAXBContext context = JAXBContext.newInstance(DemoBeanListWrapper.class);
            Marshaller cm = context.createMarshaller();
            File xmlfile = new File("lsx.xml");
            cm.marshal(lw, xmlfile);

        } catch (JAXBException ex) {
            Logger.getLogger(TestJAXB.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    public void readXml() {
        try {
            JAXBContext ctx = JAXBContext.newInstance(DemoBeanListWrapper.class);
            Unmarshaller cu = ctx.createUnmarshaller();
           DemoBeanListWrapper dl = (DemoBeanListWrapper)cu.unmarshal(new File("lsx.xml"));
            int size = dl.getList().size();
            
            System.out.println("size = " + size);
           

        } catch (JAXBException ex) {
            Logger.getLogger(TestJAXB.class.getName()).log(Level.SEVERE, null, ex);
        }

    }
}