ENREGISTRER L'ARBORESCENCE D'UN JTREE DANS UN XML AVEC JDOM

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Enumeration;

import javax.swing.tree.DefaultMutableTreeNode;

import org.jdom.*;
import org.jdom.output.Format;
import org.jdom.output.XMLOutputter;


public class TreetoXML {
	
	public Element xmlrootelement=null;
	public Document treetoxmldoc=null;
	
	public TreetoXML (DefaultMutableTreeNode MONARBREtreerootnode) {
		
		xmlrootelement=new Element("Mon_Arbre");
		treetoxmldoc=new Document(xmlrootelement);
		this.execute(MONARBREtreerootnode, xmlrootelement);
		
	}
	
	public void execute (DefaultMutableTreeNode node, Element parelement) { 
		
		Object o = node.getUserObject();
		
		if (o instanceof Joueur) {
							
				Enumeration enumchildren = node.children();
				
				while (enumchildren.hasMoreElements()) {
					
					DefaultMutableTreeNode currentnode=(DefaultMutableTreeNode) enumchildren.nextElement();
					Object p = currentnode.getUserObject();
					
					if (p instanceof Joueur ) {
						
							
							
							Element newelement;
							
							if (currentnode.isLeaf()) {
								
								newelement = new Element("Joueur");
							}
							
							else {
								
								newelement = new Element("Category");
								
							}

							Joueur newth = null;
							newth = (Joueur) currentnode.getUserObject();

							newelement.setAttribute("Name", newth.Name);
							newelement.setAttribute("ID", newth.ID);
							
							parelement.addContent(newelement);
							
							if (currentnode.isLeaf()==false) {
								
							execute(currentnode,newelement);
							
						}
					}
				}
				
		}
	}

	public void save () {
		
		XMLOutputter sortie = new XMLOutputter(Format.getPrettyFormat());
        try {
			sortie.output(treetoxmldoc, new FileOutputStream("C:/Data/Coltman/Desktop/MonArbreEnXML.xml"));
		} catch (FileNotFoundException e1) {
			System.out.println(e1.getMessage());
		} catch (IOException e1) {
			System.out.println(e1.getMessage());
			}
		
	}
}