RemoveItemServlet.java

/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/JSP_Servlet/Servlet.java to edit this template
 */
package com.ecommerce.login;

import com.ecommerce.loginpack.model.Cart;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author oladimeji
 */
@WebServlet(name = "RemoveItemServlet", urlPatterns = {"/remove-item"})
public class RemoveItemServlet extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        try(PrintWriter out = response.getWriter()){
            String id = request.getParameter("id");
            if(id!=null){
                ArrayList<Cart> cart_list = (ArrayList<Cart>) request.getSession().getAttribute("cart-list");
                if(cart_list != null){
                    for(Cart c:cart_list){
                        if(c.getProductid()== Integer.parseInt(id)){
                            cart_list.remove(cart_list.indexOf(c));
                            break;
                        }
                        
                    }
                    response.sendRedirect("cart.jsp");
                }
            }else{
                response.sendRedirect("cart.jsp");
                
            }
        }
    }

    
    
}