// serialization/APerson.java
// (c)2017 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
// Use the XOM library to write and read XML
// nu.xom.Node comes from http://www.xom.nu
import nu.xom.*;
import java.io.*;
import java.util.*;

public class APerson {
 private String first, last;
 public APerson(String first, String last) {
 this.first = first;
 this.last = last;
 }
 // Produce an XML Element from this APerson object:
 public Element getXML() {
 Element person = new Element("person");
 Element firstName = new Element("first");
 firstName.appendChild(first);
 Element lastName = new Element("last");
 lastName.appendChild(last);
 person.appendChild(firstName);
 person.appendChild(lastName);
 return person;
 }
 // Constructor restores a APerson from XML:
 public APerson(Element person) {
 first = person
 .getFirstChildElement("first").getValue();
 last = person
 .getFirstChildElement("last").getValue();
 }
 @Override
 public String toString() {
 return first + " " + last;
 }
 // Make it human-readable:
 public static void
 format(OutputStream os, Document doc)
 throws Exception {
 Serializer serializer =
 new Serializer(os,"ISO-8859-1");
 serializer.setIndent(4);
 serializer.setMaxLength(60);
 serializer.write(doc);
 serializer.flush();
 }
 public static void
 main(String[] args) throws Exception {
 List<APerson> people = Arrays.asList(
 new APerson("Dr. Bunsen", "Honeydew"),
 new APerson("Gonzo", "The Great"),
 new APerson("Phillip J.", "Fry"));
 System.out.println(people);
 Element root = new Element("people");
 for(APerson p : people)
 root.appendChild(p.getXML());
 Document doc = new Document(root);
 format(System.out, doc);
 format(new BufferedOutputStream(
 new FileOutputStream("People.xml")), doc);
 }
}
/* Output:
[Dr. Bunsen Honeydew, Gonzo The Great, Phillip J. Fry]
<?xml version="1.0" encoding="ISO-8859-1"?>
<people>
 <person>
 <first>Dr. Bunsen</first>
 <last>Honeydew</last>
 </person>
 <person>
 <first>Gonzo</first>
 <last>The Great</last>
 </person>
 <person>
 <first>Phillip J.</first>
 <last>Fry</last>
 </person>
</people>
*/