Screaming Penguin - Source Does Matter

import com.mycompany.proto.gwt.client.model.AssetPojo;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.io.json.JettisonMappedXmlDriver;

public class XStreamExample {
   
   public static void main(String[] args) {
      
      // first a POJO (this one is defined in another class, 
      //    but you get the idea, it's a plain getter/setter idiom bean)
      AssetPojo ap = new AssetPojo();
      ap.setAlpha(0.22);
      ap.setBeta(0.12);
      ap.setCash(false);
      ap.setComposite(false);
      ap.setCusip("CUSIP");
      ap.setDescription("description");
      ap.setId("123E47W");
      ap.setTicker("JAVA");
      
      // create a plain jane xstream with an alias (requires xstream and xpp3 on the classpath)
      XStream xstream = new XStream();
      xstream.alias("assetpojo", AssetPojo.class);
      // turn it into XML and display it - this is how it should be my friends, this easy      
      String xml = xstream.toXML(ap);
      System.out.println("XML - \n" + xml);
      
      // turn it back into an object, from the XML
      AssetPojo backToObjectXml = (AssetPojo) xstream.fromXML(xml);
      System.out.println("\nbackToObjectXml id - " + backToObjectXml.getId());
      
      // now turn it into JSON instead of XML (requires jettison on the classpath)
      XStream xstreamJson = new XStream(new JettisonMappedXmlDriver());
      xstreamJson.alias("assetpojo", AssetPojo.class);
      String json = xstreamJson.toXML(ap);
      System.out.println("\nJSON - \n" + json);
      
      // and back to an object again, this time from the JSON
      AssetPojo backToObjectJson = (AssetPojo) xstreamJson.fromXML(json);
      System.out.println("\nbackToObjectJson id - " + backToObjectJson.getId());      
   }
}

XML - 
<assetpojo>
  <id>123E47W</id>
  <description>description</description>
  <isCash>false</isCash>
  <isComposite>false</isComposite>
  <alpha>0.22</alpha>
  <beta>0.12</beta>
  <cusip>CUSIP</cusip>
  <ticker>JAVA</ticker>
</assetpojo>

backToObjectXml id - 123E47W

JSON - 
{"assetpojo":{"id":"123E47W","description":"description","isCash":false,"isComposite":false,
   "alpha":0.22,"beta":0.12,"cusip":"CUSIP","ticker":"JAVA"}}

backToObjectJson id - 123E47W