Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.netcracker.financeapp.controller.bank_card; import com.netcracker.financeapp.mapping.BankCard; import com.netcracker.financeapp.service.BankCardService; import java.io.IOException; import java.util.ArrayList; import java.util.logging.Level; import java.util.logging.Logger; import javax.servlet.ServletConfig; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.context.support.SpringBeanAutowiringSupport; @WebServlet(name = "bankCardServlet", urlPatterns = { "/bankCardServlet" }) public class BankCardServlet extends HttpServlet { @Autowired BankCardService bankCardService; @Override public void init(ServletConfig config) { try { super.init(config); SpringBeanAutowiringSupport.processInjectionBasedOnServletContext(this, config.getServletContext()); } catch (ServletException ex) { Logger.getLogger(BankCardServlet.class.getName()).log(Level.SEVERE, null, ex); } } @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { ArrayList<String> bankCardNumbers = bankCardService.getBankCardNumbers(); request.setAttribute("cardList", bankCardNumbers); String currentCard = request.getParameter("cardListVal"); if (currentCard != null && currentCard != "Select Card") { BankCard currCard = bankCardService.getBankCardByNumber(currentCard); request.setAttribute("cardNumber", currCard.getCardNumber()); request.setAttribute("currentAmount", currCard.getAmount()); request.setAttribute("ownerName", currCard.getOwnerName()); request.setAttribute("ownerSurname", currCard.getOwnerSurname()); request.setAttribute("expireMonth", currCard.getExpireMonth()); request.setAttribute("expireYear", currCard.getExpireYear()); request.setAttribute("cvv", currCard.getCvv()); } request.setAttribute("clearCard", "Select Card"); request.getRequestDispatcher("bankCard/bankCardPage.jsp").forward(request, response); } @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { } }