Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.io.StringReader;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import javax.xml.bind.annotation.XmlRootElement;

public class Main {
    public static void main(String args[]) throws Exception {
        Order o = new Order();
        o.setCustId(123);
        o.setDescription("New order");
        o.setOrderDate(new Date());

        List<Item> items = new ArrayList<Item>();

        Item i = new Item();
        i.setName("PC");
        i.setQty(10);
        items.add(i);

        i = new Item();
        i.setName("Box");
        i.setQty(4);

        items.add(i);

        o.setItems(items);
        // Write it
        JAXBContext ctx = JAXBContext.newInstance(Order.class);

        Marshaller m = ctx.createMarshaller();
        m.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);

        StringWriter sw = new StringWriter();
        m.marshal(o, sw);
        sw.close();
        System.out.println(sw.toString());

        // Read it back
        JAXBContext readCtx = JAXBContext.newInstance(Order.class);
        Unmarshaller um = readCtx.createUnmarshaller();

        Order newOrder = (Order) um.unmarshal(new StringReader(sw.toString()));
        System.out.println(newOrder);
    }

    @XmlRootElement
    public static class Order {

        int custId;
        Date orderDate;
        String description;
        List<Item> items;

        public void setCustId(int custId) {
            this.custId = custId;
        }

        public void setOrderDate(Date orderDate) {
            this.orderDate = orderDate;
        }

        public void setDescription(String description) {
            this.description = description;
        }

        public void setItems(List<Item> items) {
            this.items = items;
        }

        public int getCustId() {
            return custId;
        }

        public Date getOrderDate() {
            return orderDate;
        }

        public String getDescription() {
            return description;
        }

        public List<Item> getItems() {
            return items;
        }

        public String toString() {
            return "Order: " + custId + " - " + orderDate + " - " + description + " - " + items;
        }
    }

    public static class Item {

        String name;
        private int qty;

        public String getName() {
            return name;
        }

        public void setName(String name) {
            this.name = name;
        }

        public int getQty() {
            return qty;
        }

        public void setQty(int qty) {
            this.qty = qty;
        }

        public String toString() {
            return "Item:" + name + " - " + qty;
        }
    }
}