Authentification

package authen;

import java.awt.Container;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;



	/* Cette classe est l'interface d'affichage de la Connexion   */

public class Authentification extends JFrame {
	
	JLabel login,mdp;
	JTextField login1;
	JPasswordField mdp1;
	static JButton valider; //j'ai changé valider à static..
	JButton annuler;
	
		
	public Authentification(){
		
		super();
		this.setTitle(" Domotique ");
		this.setSize(new Dimension(400,200));
		this.setLocationRelativeTo(null);
		this.setResizable(false);
		
		
		login = new JLabel("Login");
		login1 = new JTextField();
		
		mdp = new JLabel("Mot de Passe");
		mdp1 = new JPasswordField();
		
		valider = new JButton("Valider ");
		annuler = new JButton(" Annuler");
		
		
		Container contenu = this.getContentPane();
		contenu.setLayout(null);
		
		contenu.add(login);
		login.setBounds(20, 20, 100, 20);
		
		contenu.add(login1);
		login1.setBounds(150, 20, 150, 20);
		
		contenu.add(mdp);
		mdp.setBounds(22, 55, 100, 20);
		
		contenu.add(mdp1);
		mdp1.setBounds(150, 55, 150, 20);
		
		contenu.add(valider);
		valider.setBounds(125,100 ,77 ,20 );
		
		contenu.add(annuler);
		annuler.setBounds(225, 100, 82, 20);
		
		valider.addActionListener(new ValiderListener());	
		
		this.setVisible(true);
	
	}
		


		class ValiderListener extends JFrame implements ActionListener{
		
			/**
			 * 
			 */
			private static final long serialVersionUID = 1L;

			@Override
			public void actionPerformed(ActionEvent e) {
//ActionEvent a;
					try {
						
					} catch (Exception e2) {
						
					}
			}
		
			
		}
	
		public static void main(String[] args){
			Authentification a = new Authentification();
 a.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 TraitementAuthentification tr= new TraitementAuthentification();
		     valider.addActionListener(tr);
		     
		}
		

}	

package authen;

import java.sql.Connection;
import java.sql.DriverManager;
 
 
public class Base {
     
    public Connection conn;
     
    public void connexionBD(){
         
         
        /*  Chargement de la Base de données  */
            try{
                 //
                Class.forName("oracle.jdbc.driver.OracleDriver");
                 
            } catch (Exception e) {
                 
                System.out.println(" Erreur de chargement de la Base de données");
                e.getMessage();
                System.exit(0);
                 
            }
         
         
            /*    Connexion de la Base de données  */
            try {
                 
                String url = "jdbc:oracle:thin:system/orcl1@localhost:1521:XE";
                String user = "admin";
                String passwd ="admin";
                conn = DriverManager.getConnection(url, user, passwd);
                 
            } catch (Exception e) {
                System.out.println(" Erreur de Connexion à la Base de données ");
            }  
             
        }
     
            /*   */
            public Connection getConnect(){
                 
                return conn;
            }
     
             
            /*   Deconnexion  */
            public void Deconnexion(){
             
                try {
                    conn.close();
                     
                } catch (Exception e) {
                    System.out.println(" Déconnexion Impossible ");
                }
            }
         
             
             
             
}

package authen;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
 
import javax.swing.JOptionPane;
import javax.swing.JTextField;
 
/*  Traitement à faire   */
 
public class TraitementAuthentification implements ActionListener {
 
    public Base b = new Base();
    public Connection conn;
     
    static JTextField login1,passwd ;
     
    PreparedStatement statement = null;
     
    ResultSet resultat;
     
    public TraitementAuthentification(){
         
    }
 
 
    @Override
    public void actionPerformed(ActionEvent e) {
        String login = login1.getText(); 
        String password = passwd.getText();
         
        b.connexionBD();
        conn = b.getConnect();

            try{
                statement = (PreparedStatement) conn.createStatement();
                String sql = "SELECT password FROM authentification WHERE login ='"+login+"'";
                resultat = statement.executeQuery(sql);
                 
                if(resultat.next()){
                     
                    String motDePasse = resultat.getString(1);
         
                if(motDePasse.equals(password)){
             
                    JOptionPane.showMessageDialog(null,"Connexion réussie ! ","Success",JOptionPane.PLAIN_MESSAGE);
                }else {
                     
                    JOptionPane.showMessageDialog(null,"Mot de passe incorrect ! ","Error",1);
                }
                }else {
                     
                    JOptionPane.showMessageDialog(null,"Login incorrect ! ","Error",1);
                }
 
                    conn.close();
         
            }
  catch (SQLException e4) {
             
                System.out.println(e4.getMessage());
            }
            
        }
     
}