Problème avec une ArrayList

**dutty_pi** · 19/03/2012, 14h20

Bonjour tout le monde.

Je développe mon application en java et mysql et j'ai un souci à l'exécution voici le message d'erreur :

Exception in thread "AWT-EventQueue-0" java.lang.ArrayIndexOutOfBoundsException: 0 >= 0
at java.util.Vector.elementAt(Vector.java:427)
at javax.swing.table.DefaultTableModel.setValueAt(DefaultTableModel.java:648)
at gci.fen.FenClient.ListerClient(FenClient.java:46)
at gci.fen.FenClient.<init>(FenClient.java:29)
at gci.fen.FenClient$2.run(FenClient.java:256)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

J'ai créé un package qui permet la connexion à ma base de données et de faire certaine exécution le voici:

Code :

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package gci.dao;
 
import java.sql.*;
/**
 *
 * @author PI
 */
public class Module {
    String driver="com.mysql.jdbc.Driver";
    String url="jdbc:mysql://localhost/gci";
    String usr="root";
    String pswd="%admin%";
 
    public ResultSet lister(String cad){
        try{
            Class.forName(driver);
            Connection cnx=DriverManager.getConnection(url, usr, pswd);
            PreparedStatement ps=cnx.prepareStatement(cad);
            ResultSet tbl=ps.executeQuery();
            return tbl;
        }
        catch(Exception e){
            javax.swing.JOptionPane.showMessageDialog(null, e.getMessage(), "Erreur", 2);
            return null;
        }
    }
 
    public String executer(String cad){
        try{
            Class.forName("driver");
            Connection cnx=DriverManager.getConnection(url, usr, pswd);
            PreparedStatement ps=cnx.prepareStatement(cad);
            int r=ps.executeUpdate();
            return +r+" ligne(s) affectée(s)";
        }
        catch(Exception e){
            javax.swing.JOptionPane.showMessageDialog(null, e.getMessage(), "Erreur", 2);
            return "Erreur "+e.getMessage();
        }
 
    }
}

Un autre package contenant la classe client et ses méthodes:

Code :

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/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
 
package gci.bean;
 
import java.sql.ResultSet;
import java.util.ArrayList;
import gci.dao.Module;
/**
 *
 * @author PI
 */
public class Client {
    private String numCli;
    private String nomCli;
    private String adrCli;
    private String telCli;
    private String faxCli;
 
    public String getAdrCli() {
        return adrCli;
    }
 
    public void setAdrCli(String adrCli) {
        this.adrCli = adrCli;
    }
 
    public String getFaxCli() {
        return faxCli;
    }
 
    public void setFaxCli(String faxCli) {
        this.faxCli = faxCli;
    }
 
    public String getNomCli() {
        return nomCli;
    }
 
    public void setNomCli(String nomCli) {
        this.nomCli = nomCli;
    }
 
    public String getNumCli() {
        return numCli;
    }
 
    public void setNumCli(String numCli) {
        this.numCli = numCli;
    }
 
    public String getTelCli() {
        return telCli;
    }
 
    public void setTelCli(String telCli) {
        this.telCli = telCli;
    }
 
    public String supprimerClient(){
        Module objmod=new Module();
        String cad="delete from client where numCli='"+this.getNumCli()+"'";
        return objmod.executer(cad);
    }
 
    public String ajouterClient(){
        Module objmod=new Module();
        String cad="insert into client values('"+this.getNumCli()+"','"+this.getNomCli()+"','"+this.getAdrCli()+"','"+this.getTelCli()+"','"+this.getFaxCli()+"')";
        return objmod.executer(cad);
    }
 
    public String modifierClient(){
        Module objmod=new Module();
        String cad="update client set nomCli='"+this.getNomCli()+"',adrCli='"+this.getAdrCli()+"',telCli='"+this.getTelCli()+"',faxCli='"+this.getFaxCli()+"' where numCli='"+this.getNumCli()+"'";
        return objmod.executer(cad);
    }
 
    public ArrayList <Client> listeClient(){
        ArrayList liste=new ArrayList();
        try{
            Module objmod=new Module();
            ResultSet rs=objmod.lister("select * from client");
            Client objcli;
            while(rs.next()){
                objcli=new Client();
                objcli.setNumCli(rs.getString("numCli"));
                objcli.setNomCli(rs.getString("nomCli"));
                objcli.setAdrCli(rs.getString("adrCli"));
                objcli.setTelCli(rs.getString("telCli"));
                objcli.setFaxCli(rs.getString("faxCli"));
                liste.add(objcli);
            }
        }
        catch(Exception e){
            javax.swing.JOptionPane.showMessageDialog(null, e.getMessage(), "Erreur", 2);
        }
        return liste;
    }
}

Et un dernier package contenant l'interface de l'application c'est à son exécution que j'ai le message d'erreur cité plus haut:

Code :

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/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
 
/*
 * FenClient.java
 *
 * Created on 5 mars 2012, 23:31:09
 */
package gci.fen;
 
import java.util.ArrayList;
import javax.swing.JOptionPane;
import javax.swing.table.DefaultTableModel;
import gci.bean.Client;
 
/**
 *
 * @author PI
 */
public class FenClient extends javax.swing.JFrame {
 
    /** Creates new form FenClient */
 
    public FenClient() {
        initComponents();
        this.setSize(700, 500);
        ListerClient();
    }
 
    private void ListerClient() {
        DefaultTableModel tableau = new DefaultTableModel();
        Client objcli = new Client();
        ArrayList <Client> liste= new ArrayList();
        liste = objcli.listeClient();
        tableau.addColumn("Numéro client");
 
        tableau.addColumn("Nom client");
        tableau.addColumn("Adresse client");
        tableau.addColumn("Téléphone client");
        tableau.addColumn("Fax client");
        tableau.setColumnCount(liste.size());
        int i=0;
        for (Client x : liste) {
            tableau.setValueAt(x.getNumCli(), i, 1);
            tableau.setValueAt(x.getNomCli(), i, 2);
            tableau.setValueAt(x.getAdrCli(), i, 3);
            tableau.setValueAt(x.getTelCli(), i, 4);
            tableau.setValueAt(x.getFaxCli(), i, 5);
            i++;
        }
        this.tabCli.setModel(tableau);
    }
 
    public void viderChamp() {
        this.numCli.setText(null);
        this.nomCli.setText(null);
        this.adrCli.setText(null);
        this.telCli.setText(null);
        this.faxCli.setText(null);
        numCli.requestFocus();
    }
 
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">
    private void initComponents() {
 
        jLabel1 = new javax.swing.JLabel();
        jPanel1 = new javax.swing.JPanel();
        numCliLabel = new javax.swing.JLabel();
        nomCliLab = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();
        valider = new javax.swing.JButton();
        jButton2 = new javax.swing.JButton();
        jButton3 = new javax.swing.JButton();
        telCliLab = new javax.swing.JLabel();
        faxCliLab = new javax.swing.JLabel();
        numCli = new javax.swing.JTextField();
        nomCli = new javax.swing.JTextField();
        adrCli = new javax.swing.JTextField();
        telCli = new javax.swing.JTextField();
        faxCli = new javax.swing.JTextField();
        jScrollPane1 = new javax.swing.JScrollPane();
        tabCli = new javax.swing.JTable();
        jPanel2 = new javax.swing.JPanel();
 
        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setCursor(new java.awt.Cursor(java.awt.Cursor.DEFAULT_CURSOR));
 
        jLabel1.setFont(new java.awt.Font("Times New Roman", 2, 18));
        jLabel1.setText("Enregistrement des clients");
 
        jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder(" Informations des clients "));
        jPanel1.setCursor(new java.awt.Cursor(java.awt.Cursor.DEFAULT_CURSOR));
 
        numCliLabel.setText("Numéro client :");
 
        nomCliLab.setText("Nom client :");
 
        jLabel4.setText("Adresse client :");
 
        valider.setText("Valider");
        valider.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                validerActionPerformed(evt);
            }
        });
 
        jButton2.setText("jButton2");
 
        jButton3.setText("jButton3");
 
        telCliLab.setText("Téléphone client :");
 
        faxCliLab.setText("Fax client :");
 
        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGap(123, 123, 123)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 26, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addComponent(valider)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jButton2)
                        .addGap(37, 37, 37)
                        .addComponent(jButton3))
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addComponent(numCliLabel)
                            .addComponent(nomCliLab)
                            .addComponent(jLabel4)
                            .addComponent(telCliLab)
                            .addComponent(faxCliLab))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addComponent(nomCli, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 191, Short.MAX_VALUE)
                            .addComponent(adrCli, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 191, Short.MAX_VALUE)
                            .addComponent(telCli, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 191, Short.MAX_VALUE)
                            .addComponent(faxCli, javax.swing.GroupLayout.DEFAULT_SIZE, 191, Short.MAX_VALUE)
                            .addComponent(numCli, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 191, Short.MAX_VALUE))))
                .addGap(188, 188, 188))
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(numCliLabel)
                    .addComponent(numCli, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(nomCliLab)
                    .addComponent(nomCli, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel4)
                    .addComponent(adrCli, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(14, 14, 14)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(telCliLab)
                    .addComponent(telCli, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(faxCli, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(faxCliLab))
                .addGap(18, 18, 18)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(valider)
                    .addComponent(jButton2)
                    .addComponent(jButton3))
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
 
        tabCli.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {
                {null, null, null, null, null}
            },
            new String [] {
                "Numéro client", "Nom client", "Adresse client", "Téléphone client", "Fax client"
            }
        ));
        jScrollPane1.setViewportView(tabCli);
        tabCli.getColumnModel().getColumn(0).setHeaderValue("Numéro client");
        tabCli.getColumnModel().getColumn(1).setHeaderValue("Nom client");
        tabCli.getColumnModel().getColumn(2).setHeaderValue("Adresse client");
        tabCli.getColumnModel().getColumn(3).setHeaderValue("Téléphone client");
        tabCli.getColumnModel().getColumn(4).setHeaderValue("Fax client");
 
        jPanel2.setBorder(javax.swing.BorderFactory.createEtchedBorder());
 
        javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
        jPanel2.setLayout(jPanel2Layout);
        jPanel2Layout.setHorizontalGroup(
            jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 623, Short.MAX_VALUE)
        );
        jPanel2Layout.setVerticalGroup(
            jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 18, Short.MAX_VALUE)
        );
 
        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 607, Short.MAX_VALUE)
                    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                        .addComponent(jPanel1, javax.swing.GroupLayout.Alignment.CENTER, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addComponent(jLabel1, javax.swing.GroupLayout.Alignment.CENTER)))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(68, 68, 68)
                .addComponent(jLabel1)
                .addGap(63, 63, 63)
                .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(18, 18, 18)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 119, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
        );
 
        pack();
    }// </editor-fold>
 
    private void validerActionPerformed(java.awt.event.ActionEvent evt) {                                        
        // TODO add your handling code here:
        Client objcli = new Client();
        objcli.setNumCli(this.numCli.getText());
        objcli.setNomCli(this.nomCli.getText());
        objcli.setAdrCli(this.adrCli.getText());
        objcli.setTelCli(this.telCli.getText());
        objcli.setFaxCli(this.faxCli.getText());
        JOptionPane.showMessageDialog(null, objcli.ajouterClient(), "Enregistrement", 1);
        ListerClient();
    }                                       
 
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
 
            public void run() {
                new FenClient().setVisible(true);
            }
        });
    }
    // Variables declaration - do not modify
    private javax.swing.JTextField adrCli;
    private javax.swing.JTextField faxCli;
    private javax.swing.JLabel faxCliLab;
    private javax.swing.JButton jButton2;
    private javax.swing.JButton jButton3;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JPanel jPanel2;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTextField nomCli;
    private javax.swing.JLabel nomCliLab;
    private javax.swing.JTextField numCli;
    private javax.swing.JLabel numCliLabel;
    private javax.swing.JTable tabCli;
    private javax.swing.JTextField telCli;
    private javax.swing.JLabel telCliLab;
    private javax.swing.JButton valider;
    // End of variables declaration
}

Selon moi j'ai mal constitué ma ArrayList mais je ne sais pas exactement. Que me suggérez-vous?

Merci d'avance

**Népomucène** · 21/03/2012, 22h34

comme il est indiqué dans le message d'erreur, le problème vient de FenClient à la ligne 46

tu essayes de placer des valeurs dans ton tableau :

Code :

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tableau.setValueAt(x.getNumCli(), i, 1);

et il n'est pas d'accord car ton tableau ne comporte aucune ligne pour recevoir les données !

La doc java stipule pour le constructeur "DefaultTableModel()" :

Constructs a default DefaultTableModel which is a table of zero columns and zero rows

donc pas de place pour les données.

essaye d'initialiser avec : DefaultTableModel(int rowCount, int columnCount)

cela pourrait être :

Code :

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        Client objcli = new Client();
        ArrayList <Client> liste= new ArrayList();
        liste = objcli.listeClient();
 
        // initialisation ici du tableau avec la taille de la liste
        // on laisse les colonnes à zéro car elles sont ajoutées après
        DefaultTableModel tableau = new DefaultTableModel(liste.size(), 0);
        tableau.addColumn("Numéro client"); 
        tableau.addColumn("Nom client");
        tableau.addColumn("Adresse client");
        tableau.addColumn("Téléphone client");
        tableau.addColumn("Fax client");
        // tableau.setColumnCount(liste.size()); // ???
        int i=0;
        for (Client x : liste) {
            tableau.setValueAt(x.getNumCli(), i, 1);
            tableau.setValueAt(x.getNomCli(), i, 2);
            tableau.setValueAt(x.getAdrCli(), i, 3);
            tableau.setValueAt(x.getTelCli(), i, 4);
            tableau.setValueAt(x.getFaxCli(), i, 5);
            i++;
        }
        this.tabCli.setModel(tableau);

**dutty_pi** · 22/03/2012, 07h37

Merci Népomucène tu m'as été d'une immense aide et je t'envoie ça:

Problème avec une ArrayList

JDBC Java

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