TriRecherche.java

package controleur;

import Metier.Principale;
import Metier.Livre;
import java.io.IOException;
import java.util.ArrayList;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class TriRecherche extends HttpServlet {
    
    public static final String VUE_RECHERCHE = "/Recherche.jsp";
    public static final String CHOIX_TRI = "tri";
    
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        this.getServletContext().getRequestDispatcher(this.VUE_RECHERCHE).forward( request, response );
    }
    
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        HttpSession session = request.getSession();
        Principale controleur = Metier.MetierFactory.getPrincipale();
        //prendre la derniere recherche
        ArrayList<Livre> livres;
        livres =  (ArrayList<Livre>) session.getAttribute("lastRecherche");
        int choix = Integer.parseInt(request.getParameter(this.CHOIX_TRI));
        if(choix == 0){
            livres = controleur.tri(livres, choix, 1);
        } else if(choix == 1) {
            livres = controleur.tri(livres, choix, 1);
        } else if(choix == 2) {
            livres = controleur.tri(livres, choix, 1);
        } else {
            
        }
        session.setAttribute("lastRecherche", livres);
        this.getServletContext().getRequestDispatcher(this.VUE_RECHERCHE).forward( request, response );
    }
    
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }
    
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}