Tag.java Source code

Introduction

Here is the source code for Tag.java

Source

import javax.xml.bind.JAXBContext;
import javax.xml.bind.Marshaller;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlRootElement;

@XmlRootElement
@XmlAccessorType(XmlAccessType.FIELD)
class Tag {

    private static Foo ATTRIBUTE1_DEFAULT = Foo.A;

    enum Foo {
        A, B
    };

    @XmlAttribute
    private Foo attribute1;

    public Foo getAttribute1() {
        if (null == attribute1) {
            return ATTRIBUTE1_DEFAULT;
        }
        return attribute1;
    }

    public void setAttribute1(Foo attribute1) {
        if (ATTRIBUTE1_DEFAULT == attribute1) {
            this.attribute1 = null;
        } else {
            this.attribute1 = attribute1;
        }
    }

}

public class Main {

    public static void main(String[] args) throws Exception {
        JAXBContext jc = JAXBContext.newInstance(Tag.class);
        Marshaller marshaller = jc.createMarshaller();
        marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);

        Tag tag = new Tag();
        tag.setAttribute1(Tag.Foo.A);
        System.out.println(tag.getAttribute1());
        marshaller.marshal(tag, System.out);

        tag.setAttribute1(Tag.Foo.B);
        System.out.println(tag.getAttribute1());
        marshaller.marshal(tag, System.out);
    }

}