How do I convert an XML persistence to Java Bean?

By wsaryada in Beans 0 Comment

In the previous example you can see how to convert a bean into an XML persistence. Now we’ll do the opposite, converting the XML back to a bean. For the BeanToXML class use in this example please refer to How do I convert a bean to XML persistence? example.

package org.kodejava.example.bean;

import java.beans.XMLDecoder;
import java.io.BufferedInputStream;

public class XmlToBean {
    public static void main(String[] args) {
        XMLDecoder decoder = new XMLDecoder(new BufferedInputStream(
                XmlToBean.class.getResourceAsStream("Bean.xml")));

        // Reads the next object from the underlying input stream.
        BeanToXML bean = (BeanToXML) decoder.readObject();
        decoder.close();

        System.out.println("ID              = " + bean.getId());
        System.out.println("Item Name       = " + bean.getItemName());
        System.out.println("Item Colour     = " + bean.getItemColour());
        System.out.println("Item Quantities = " + bean.getItemQuantities());
    }
}

Here is our Bean.xml persistence file:

<?xml version="1.0" encoding="UTF-8"?> 
<java version="1.6.0_02" class="java.beans.XMLDecoder"> 
 <object class="org.kodejava.example.bean.BeanToXML"> 
  <void property="id"> 
   <long>1</long> 
  </void> 
  <void property="itemColour"> 
   <string>Dark Red</string> 
  </void> 
  <void property="itemName"> 
   <string>T-Shirt</string> 
  </void> 
  <void property="itemQuantities"> 
   <int>100</int> 
  </void> 
 </object> 
</java>

The result are:

ID              = 1
Item Name       = T-Shirt
Item Colour     = Dark Red
Item Quantities = 100
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