Parcourir un arbre DOM en Java

public class NodeFilterPersonne implements NodeFilter

{

	@Override

	public short acceptNode(Node n)

	{

		//TODO 4

		if (n.getNodeName().contentEquals("personne"))

		{

			return FILTER_ACCEPT;

		}

		return FILTER_SKIP;

	}

}

public class NodeFilterPersonne implements NodeFilter
{
	@Override
	public short acceptNode(Node n)
	{
		//TODO 4
		if (n.getNodeName().contentEquals("personne"))
		{
			return FILTER_ACCEPT;
		}
    
		return FILTER_SKIP;
	}
}

public static void parcoursNodeIterator()

{

		//TODO 5

		int i = 0;

		//L'interface DocumentTraversal permet de créer un objet NodeIterator

    	DocumentTraversal traversal = (DocumentTraversal) annuaire;

    	NodeIterator iterator = traversal.createNodeIterator(

    			annuaire.getDocumentElement(), (NodeFilter.SHOW_ELEMENT), null, true);

    	for (Node n = iterator.nextNode(); n != null; n = iterator.nextNode())

    	{

    		if(n.getNodeName().equals("personne"))

    		{

    			System.out.println("Personne "+(i+1));

    			showPersonne((Element)n);

    			i++;

    		}

    	}

}

public static void parcoursNodeIterator()
{
		//TODO 5
		int i = 0;
		
		//L'interface DocumentTraversal permet de créer un objet NodeIterator
    	DocumentTraversal traversal = (DocumentTraversal) annuaire;
    	NodeIterator iterator = traversal.createNodeIterator(
    			annuaire.getDocumentElement(), (NodeFilter.SHOW_ELEMENT), null, true);
      
    	for (Node n = iterator.nextNode(); n != null; n = iterator.nextNode())
    	{
    		if(n.getNodeName().equals("personne"))
    		{
    			System.out.println("Personne "+(i+1));
    			showPersonne((Element)n);
    			i++;
    		}
    	}
}

public static void parcoursTreeWalker()

{

		  //TODO 6

		  //L'interface DocumentTraversal permet de créer un objet TreeWalker

		  DocumentTraversal traversal = (DocumentTraversal) annuaire;

	    TreeWalker walker = traversal.createTreeWalker(

	        annuaire.getDocumentElement(), NodeFilter.SHOW_ALL,

	        new NodeFilterPersonne(), true);

	    Node noeud = null;

	    noeud = walker.nextNode();

	    int i = 0;

	    while (noeud != null)

	    {

	    	System.out.println("Personne "+(i+1));

	    	showPersonne((Element)noeud);

	    	noeud = walker.nextNode();

	    	i++;

	    }

}

public static void parcoursTreeWalker()
{
		  //TODO 6
		  //L'interface DocumentTraversal permet de créer un objet TreeWalker
		  DocumentTraversal traversal = (DocumentTraversal) annuaire;
	    TreeWalker walker = traversal.createTreeWalker(
	        annuaire.getDocumentElement(), NodeFilter.SHOW_ALL,
	        new NodeFilterPersonne(), true);
	    
	    Node noeud = null;
	    noeud = walker.nextNode();
	    int i = 0;
	    
	    while (noeud != null)
	    {
	    	System.out.println("Personne "+(i+1));
	    	showPersonne((Element)noeud);
	    	noeud = walker.nextNode();
	    	i++;
	    }
}