Pagination.java

package controleur;

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

/**
 *
 * @author ragotalexis
 */
public class Pagination extends HttpServlet {

    public static final String VUE = "/Recherche.jsp";
    public static final String PARAM_PAGE = "page";
    
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        
    }
    
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        HttpSession session = request.getSession();
        ServletContext context = getServletConfig().getServletContext();
        int page = (Integer) session.getAttribute("page");
        String requete = request.getParameter("page");
        
        if(requete.equals("moins")) {
            page--;
        } else if(requete.equals("plus")){
            page++;
        } else if(requete.equals("debut")){
            page=0;
        } else if(requete.equals("fin")){
            List<Livre> listLivre = (List<Livre>) session.getAttribute("lastRecherche");
            int nbParPage = (Integer) context.getAttribute("pagination");
            int reste = listLivre.size() % nbParPage;
            page = ((listLivre.size()-reste) / nbParPage)-1;
        } else {
            
        }
        session.setAttribute("page", page);
        
        
        this.getServletContext().getRequestDispatcher(this.VUE).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>

}