How to convert a Java Object to Xml using JAXB API and Annotations through a Java program?.

Program to demonstrate conversion of a Java Object to Xml using JAXB API and Annotations through a Java program

Steps to convert Object to Xml :

1. Creating a POJO class :

package com.hubberspot.examples;

import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;

@XmlRootElement
public class Customer {
 
 private Integer id;
 private String firstName; 
 private String lastName;
 private String email;
 
 public Customer(){
  
 }

 public Integer getId() {
  return id;
 }
 @XmlAttribute
 public void setId(Integer id) {
  this.id = id;
 }

 @XmlElement
 public String getFirstName() {
  return firstName;
 }

 public void setFirstName(String firstName) {
  this.firstName = firstName;
 }

 @XmlElement
 public String getLastName() {
  return lastName;
 }

 public void setLastName(String lastName) {
  this.lastName = lastName;
 }

 @XmlElement
 public String getEmail() {
  return email;
 }

 public void setEmail(String email) {
  this.email = email;
 } 
}

2. Create a conversion class :

package com.hubberspot.examples;

import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
 
public class JAXBObjectToXml {
  public static void main(String[] args) throws IOException {

     Customer customer = new Customer();
     customer.setId(1);
     customer.setFirstName("Jonty");
     customer.setLastName("Magicman");
     customer.setEmail("jontymagicman@hubberspot.com");
 
     try {
       JAXBContext context = JAXBContext.newInstance(Customer.class);
 
       Marshaller marshaller = context.createMarshaller();
       marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
       marshaller.marshal(customer, 
        new BufferedWriter(new FileWriter("Customer.xml")));
     } catch (JAXBException e) {
         e.printStackTrace();
       }
    }
}

3. Output of the program - XML file created as "Customer.xml"