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   | import java.io.*;
import javax.xml.parsers.*;
import org.xml.sax.SAXException;
import org.w3c.dom.*;
import javax.swing.*;
 
class readerwriter {
    static String fichier = "";
    static String ligne = "";
    static BufferedReader fichierIn;
    static void read(String proprioRecherche)
    {
        try
        {
            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
            DocumentBuilder builder = factory.newDocumentBuilder();
            Document document = builder.parse("facture.xml");
 
            NodeList elements = document.getElementsByTagName("client");
            int max = elements.getLength();
 
            //On parcours les noeuds de 0 à max
            int i = 0;
            String currentString = "";
            String message;
            while (i<max && currentString != proprioRecherche)
            {
                Element elementClient = (Element)elements.item(i);
                currentString = elementClient.getAttribute("nom");
                i++;
            }
            if (i<max)//on a trouvé
            {
                message = "Trouvé";
            }
            else //on a depassé => pas trouvé
            {
                message = "pas toruvé";
            }
 
 
 
            JOptionPane.showMessageDialog(null, message);
 
 
 
        }
        catch (ParserConfigurationException ex)
        {
            JOptionPane.showMessageDialog(null, ex.getMessage());
        }
        catch (SAXException ex)
        {
            JOptionPane.showMessageDialog(null, ex.getMessage());
        }
        catch(IOException ex)
        {
            JOptionPane.showMessageDialog(null, ex.getMessage());
        }
        System.exit(0);
 
    }
} | 
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