129 | 130 | Note:- Considering this as a Sample Project, we have not much considered of web security. 131 | 132 | #### "Suggestions and project improvement ideas are welcomed!" 133 | 134 |
135 | Project Leader
136 | Roger Rodriguez 137 | -------------------------------------------------------------------------------- /WebContent/CustomerHome.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 |
98 |
100 |
101 |
133 |
134 |
135 |
136 |
138 |
140 |
199 |
200 |
201 |
--------------------------------------------------------------------------------
/WebContent/CustomerRegister.html:
--------------------------------------------------------------------------------
1 |
2 |
3 |
4 | Welcome to Online Book Store
99 |46 | 47 | 101 | 102 | 103 | 104 | 105 | 112 | 113 | 114 | 115 | 116 | 117 | -------------------------------------------------------------------------------- /WebContent/META-INF/MANIFEST.MF: -------------------------------------------------------------------------------- 1 | Manifest-Version: 1.0 2 | Class-Path: 3 | 4 | -------------------------------------------------------------------------------- /WebContent/Photo.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/wonderdev007/online_book_store/67e274fedcf4e2973f9f6c9e2d3a7f208e2e480a/WebContent/Photo.jpg -------------------------------------------------------------------------------- /WebContent/SellerHome.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 |
63 |
65 |
66 |
89 |
90 |
91 |
92 |
93 |
94 |
--------------------------------------------------------------------------------
/WebContent/WEB-INF/web.xml:
--------------------------------------------------------------------------------
1 |
2 | Welcome to Online Book Store
64 |38 |
Welcome to Online
Book Store
40 |
| Happy Learning!! Welcome to our book store! |
43 |
Welcome to Online Book Store
39 |
| Login or SignUp Below | 42 |
| Login As Admin | 45 |
| Login As Customer | 49 |
| New user ! Register Here | 52 |
150 | Welcome to Online
\r\n"
37 | + "
\r\n" 38 | + "\r\n"
39 | + "
");
43 |
44 | } else {
45 |
46 | RequestDispatcher rd = req.getRequestDispatcher("CustomerLogin.html");
47 | rd.include(req, res);
48 | pw.println("
");
49 | }
50 |
51 | } catch (Exception e) {
52 | e.printStackTrace();
53 | }
54 | }
55 |
56 | }
--------------------------------------------------------------------------------
/src/main/java/servlets/CustomerRegisterServlet.java:
--------------------------------------------------------------------------------
1 | package servlets;
2 |
3 | import java.io.IOException;
4 | import java.io.PrintWriter;
5 |
6 | import javax.servlet.RequestDispatcher;
7 | import javax.servlet.ServletException;
8 | import javax.servlet.http.HttpServlet;
9 | import javax.servlet.http.HttpServletRequest;
10 | import javax.servlet.http.HttpServletResponse;
11 |
12 | import com.bittercode.constant.BookStoreConstants;
13 | import com.bittercode.constant.ResponseCode;
14 | import com.bittercode.constant.db.UsersDBConstants;
15 | import com.bittercode.model.User;
16 | import com.bittercode.model.UserRole;
17 | import com.bittercode.service.UserService;
18 | import com.bittercode.service.impl.UserServiceImpl;
19 |
20 | public class CustomerRegisterServlet extends HttpServlet {
21 |
22 | UserService userService = new UserServiceImpl();
23 |
24 | public void service(HttpServletRequest req, HttpServletResponse res) throws IOException, ServletException {
25 | PrintWriter pw = res.getWriter();
26 | res.setContentType(BookStoreConstants.CONTENT_TYPE_TEXT_HTML);
27 |
28 | String pWord = req.getParameter(UsersDBConstants.COLUMN_PASSWORD);
29 | String fName = req.getParameter(UsersDBConstants.COLUMN_FIRSTNAME);
30 | String lName = req.getParameter(UsersDBConstants.COLUMN_LASTNAME);
31 | String addr = req.getParameter(UsersDBConstants.COLUMN_ADDRESS);
32 | String phNo = req.getParameter(UsersDBConstants.COLUMN_PHONE);
33 | String mailId = req.getParameter(UsersDBConstants.COLUMN_MAILID);
34 | User user = new User();
35 | user.setEmailId(mailId);
36 | user.setFirstName(fName);
37 | user.setLastName(lName);
38 | user.setPassword(pWord);
39 | user.setPhone(Long.parseLong(phNo));
40 | user.setAddress(addr);
41 | try {
42 | String respCode = userService.register(UserRole.CUSTOMER, user);
43 | System.out.println(respCode);
44 | if (ResponseCode.SUCCESS.name().equalsIgnoreCase(respCode)) {
45 | RequestDispatcher rd = req.getRequestDispatcher("CustomerLogin.html");
46 | rd.include(req, res);
47 | pw.println("
");
48 | } else {
49 | RequestDispatcher rd = req.getRequestDispatcher("CustomerRegister.html");
50 | rd.include(req, res);
51 | pw.println("
");
52 | pw.println("Sorry for interruption! Try again");
53 | }
54 | } catch (Exception e) {
55 | e.printStackTrace();
56 | }
57 | }
58 | }
--------------------------------------------------------------------------------
/src/main/java/servlets/ErrorHandlerServlet.java:
--------------------------------------------------------------------------------
1 | package servlets;
2 |
3 | import java.io.IOException;
4 | import java.io.PrintWriter;
5 | import java.util.Optional;
6 |
7 | import javax.servlet.RequestDispatcher;
8 | import javax.servlet.ServletException;
9 | import javax.servlet.http.HttpServlet;
10 | import javax.servlet.http.HttpServletRequest;
11 | import javax.servlet.http.HttpServletResponse;
12 |
13 | import com.bittercode.constant.ResponseCode;
14 | import com.bittercode.model.StoreException;
15 | import com.bittercode.model.UserRole;
16 | import com.bittercode.util.StoreUtil;
17 |
18 | public class ErrorHandlerServlet extends HttpServlet {
19 |
20 | public void service(HttpServletRequest req, HttpServletResponse res) throws IOException, ServletException {
21 | PrintWriter pw = res.getWriter();
22 | res.setContentType("text/html");
23 |
24 | // Fetch the exceptions
25 | Throwable throwable = (Throwable) req.getAttribute("javax.servlet.error.exception");
26 | Integer statusCode = (Integer) req.getAttribute("javax.servlet.error.status_code");
27 | String servletName = (String) req.getAttribute("javax.servlet.error.servlet_name");
28 | String requestUri = (String) req.getAttribute("javax.servlet.error.request_uri");
29 | String errorMessage = ResponseCode.INTERNAL_SERVER_ERROR.getMessage();
30 | String errorCode = ResponseCode.INTERNAL_SERVER_ERROR.name();
31 |
32 | if (statusCode == null)
33 | statusCode = 0;
34 | Optional errorCodes = ResponseCode.getMessageByStatusCode(statusCode);
35 | if (errorCodes.isPresent()) {
36 | errorMessage = errorCodes.get().getMessage();
37 | errorCode = errorCodes.get().name();
38 | }
39 |
40 | if (throwable != null && throwable instanceof StoreException) {
41 | StoreException storeException = (StoreException) throwable;
42 | if (storeException != null) {
43 | errorMessage = storeException.getMessage();
44 | statusCode = storeException.getStatusCode();
45 | errorCode = storeException.getErrorCode();
46 | storeException.printStackTrace();
47 | }
48 | }
49 |
50 | System.out.println("======ERROR TRIGGERED========");
51 | System.out.println("Servlet Name: " + servletName);
52 | System.out.println("Request URI: " + requestUri);
53 | System.out.println("Status Code: " + statusCode);
54 | System.out.println("Error Code: " + errorCode);
55 | System.out.println("Error Message: " + errorMessage);
56 | System.out.println("=============================");
57 |
58 | if (StoreUtil.isLoggedIn(UserRole.CUSTOMER, req.getSession())) {
59 | RequestDispatcher rd = req.getRequestDispatcher("CustomerHome.html");
60 | rd.include(req, res);
61 | StoreUtil.setActiveTab(pw, "home");
62 | showErrorMessage(pw, errorCode, errorMessage);
63 |
64 | } else if (StoreUtil.isLoggedIn(UserRole.SELLER, req.getSession())) {
65 | RequestDispatcher rd = req.getRequestDispatcher("SellerHome.html");
66 | rd.include(req, res);
67 | StoreUtil.setActiveTab(pw, "home");
68 | showErrorMessage(pw, errorCode, errorMessage);
69 |
70 | } else {
71 | RequestDispatcher rd = req.getRequestDispatcher("index.html");
72 | rd.include(req, res);
73 | pw.println("");
77 | showErrorMessage(pw, errorCode, errorMessage);
78 | }
79 |
80 | }
81 |
82 | private void showErrorMessage(PrintWriter pw, String errorCode, String errorMessage) {
83 | pw.println("
");
32 | }
33 |
34 | } catch (Exception e) {
35 | e.printStackTrace();
36 | }
37 | }
38 |
39 | }
--------------------------------------------------------------------------------
/src/main/java/servlets/ProcessPaymentServlet.java:
--------------------------------------------------------------------------------
1 | package servlets;
2 |
3 | import java.io.IOException;
4 | import java.io.PrintWriter;
5 | import java.util.List;
6 |
7 | import javax.servlet.RequestDispatcher;
8 | import javax.servlet.ServletException;
9 | import javax.servlet.http.HttpServlet;
10 | import javax.servlet.http.HttpServletRequest;
11 | import javax.servlet.http.HttpServletResponse;
12 | import javax.servlet.http.HttpSession;
13 |
14 | import com.bittercode.constant.BookStoreConstants;
15 | import com.bittercode.model.Book;
16 | import com.bittercode.model.Cart;
17 | import com.bittercode.model.UserRole;
18 | import com.bittercode.service.BookService;
19 | import com.bittercode.service.impl.BookServiceImpl;
20 | import com.bittercode.util.StoreUtil;
21 |
22 | public class ProcessPaymentServlet extends HttpServlet {
23 |
24 | BookService bookService = new BookServiceImpl();
25 |
26 | @SuppressWarnings("unchecked")
27 | public void service(HttpServletRequest req, HttpServletResponse res) throws IOException, ServletException {
28 | PrintWriter pw = res.getWriter();
29 | res.setContentType(BookStoreConstants.CONTENT_TYPE_TEXT_HTML);
30 | if (!StoreUtil.isLoggedIn(UserRole.CUSTOMER, req.getSession())) {
31 | RequestDispatcher rd = req.getRequestDispatcher("CustomerLogin.html");
32 | rd.include(req, res);
33 | pw.println("
");
34 | return;
35 | }
36 | try {
37 |
38 | RequestDispatcher rd = req.getRequestDispatcher("CustomerHome.html");
39 | rd.include(req, res);
40 | StoreUtil.setActiveTab(pw, "cart");
41 | pw.println("
");
31 | return;
32 | }
33 | try {
34 | List books = bookService.getAllBooks();
35 | int i = 0;
36 | RequestDispatcher rd = req.getRequestDispatcher("CustomerHome.html");
37 | rd.include(req, res);
38 | StoreUtil.setActiveTab(pw, "cart");
39 | pw.println("
Cart Checkout
151 |
152 |
");
42 | } catch (Exception e) {
43 | e.printStackTrace();
44 | }
45 | }
46 |
47 | }
48 |
--------------------------------------------------------------------------------
/src/main/java/servlets/CustomerLoginServlet.java:
--------------------------------------------------------------------------------
1 | package servlets;
2 |
3 | import java.io.IOException;
4 | import java.io.PrintWriter;
5 |
6 | import javax.servlet.RequestDispatcher;
7 | import javax.servlet.ServletException;
8 | import javax.servlet.http.HttpServlet;
9 | import javax.servlet.http.HttpServletRequest;
10 | import javax.servlet.http.HttpServletResponse;
11 |
12 | import com.bittercode.constant.BookStoreConstants;
13 | import com.bittercode.constant.db.UsersDBConstants;
14 | import com.bittercode.model.User;
15 | import com.bittercode.model.UserRole;
16 | import com.bittercode.service.UserService;
17 | import com.bittercode.service.impl.UserServiceImpl;
18 |
19 | public class CustomerLoginServlet extends HttpServlet {
20 |
21 | UserService authService = new UserServiceImpl();
22 |
23 | public void doPost(HttpServletRequest req, HttpServletResponse res) throws IOException, ServletException {
24 | PrintWriter pw = res.getWriter();
25 | res.setContentType(BookStoreConstants.CONTENT_TYPE_TEXT_HTML);
26 | String uName = req.getParameter(UsersDBConstants.COLUMN_USERNAME);
27 | String pWord = req.getParameter(UsersDBConstants.COLUMN_PASSWORD);
28 | User user = authService.login(UserRole.CUSTOMER, uName, pWord, req.getSession());
29 |
30 | try {
31 |
32 | if (user != null) {
33 |
34 | RequestDispatcher rd = req.getRequestDispatcher("CustomerHome.html");
35 | rd.include(req, res);
36 | pw.println("
153 |
\r\n"
41 | + "
154 |
\r\n"
40 | + " Welcome to Online
Book Store
\r\n" 38 | + "
Welcome "+user.getFirstName()+", Happy Learning !! | \r\n"
41 | + "
| Incorrect UserName or PassWord |
| User Registered Successfully |
| " + respCode + " |
"
84 | + "
");
94 |
95 | }
96 |
97 | }
98 |
--------------------------------------------------------------------------------
/src/main/java/servlets/LogoutServlet.java:
--------------------------------------------------------------------------------
1 | package servlets;
2 |
3 | import java.io.IOException;
4 | import java.io.PrintWriter;
5 |
6 | import javax.servlet.RequestDispatcher;
7 | import javax.servlet.ServletException;
8 | import javax.servlet.http.HttpServlet;
9 | import javax.servlet.http.HttpServletRequest;
10 | import javax.servlet.http.HttpServletResponse;
11 |
12 | import com.bittercode.constant.BookStoreConstants;
13 | import com.bittercode.service.UserService;
14 | import com.bittercode.service.impl.UserServiceImpl;
15 |
16 | public class LogoutServlet extends HttpServlet {
17 |
18 | UserService authService = new UserServiceImpl();
19 |
20 | public void doGet(HttpServletRequest req, HttpServletResponse res) throws IOException, ServletException {
21 | PrintWriter pw = res.getWriter();
22 | res.setContentType(BookStoreConstants.CONTENT_TYPE_TEXT_HTML);
23 | try {
24 |
25 | boolean logout = authService.logout(req.getSession());
26 |
27 | RequestDispatcher rd = req.getRequestDispatcher("CustomerLogin.html");
28 | rd.include(req, res);
29 | // StoreUtil.setActiveTab(pw, "logout");
30 | if (logout) {
31 | pw.println("\r\n"
85 | + "
\r\n" 89 | + "
"
93 | + "" 86 | + errorCode 87 | + "
\r\n" 88 | + "\r\n" 89 | + "
" 90 | + errorMessage 91 | + "
\r\n" 92 | + "| Successfully logged out! |
| Please Login First to Continue!! |
Your Orders
");
42 | pw.println("\r\n"
43 | + "
");
67 | } catch (Exception e) {
68 | e.printStackTrace();
69 | }
70 | }
71 |
72 | public String addBookToCard(String bCode, String bName, String bAuthor, double bPrice, int bQty) {
73 | String button = "Order Placed\r\n";
74 | return "");
44 | HttpSession session = req.getSession();
45 | List cartItems = null;
46 | if (session.getAttribute("cartItems") != null)
47 | cartItems = (List) session.getAttribute("cartItems");
48 | for (Cart cart : cartItems) {
49 | Book book = cart.getBook();
50 | double bPrice = book.getPrice();
51 | String bCode = book.getBarcode();
52 | String bName = book.getName();
53 | String bAuthor = book.getAuthor();
54 | int availableQty = book.getQuantity();
55 | int qtToBuy = cart.getQuantity();
56 | availableQty = availableQty - qtToBuy;
57 | bookService.updateBookQtyById(bCode, availableQty);
58 | pw.println(this.addBookToCard(bCode, bName, bAuthor, bPrice, availableQty));
59 | session.removeAttribute("qty_" + bCode);
60 | }
61 | session.removeAttribute("amountToPay");
62 | session.removeAttribute("cartItems");
63 | session.removeAttribute("items");
64 | session.removeAttribute("selectedBookId");
65 | pw.println("
\r\n"
66 | + " \r\n"
75 | + "
";
102 | }
103 | }
104 |
--------------------------------------------------------------------------------
/src/main/java/servlets/ReceiptServlet.java:
--------------------------------------------------------------------------------
1 | package servlets;
2 |
3 | import java.io.IOException;
4 | import java.io.PrintWriter;
5 | import java.util.List;
6 |
7 | import javax.servlet.RequestDispatcher;
8 | import javax.servlet.ServletException;
9 | import javax.servlet.http.HttpServlet;
10 | import javax.servlet.http.HttpServletRequest;
11 | import javax.servlet.http.HttpServletResponse;
12 |
13 | import com.bittercode.constant.BookStoreConstants;
14 | import com.bittercode.model.Book;
15 | import com.bittercode.model.UserRole;
16 | import com.bittercode.service.BookService;
17 | import com.bittercode.service.impl.BookServiceImpl;
18 | import com.bittercode.util.StoreUtil;
19 |
20 | public class ReceiptServlet extends HttpServlet {
21 | BookService bookService = new BookServiceImpl();
22 |
23 | //NOT_IN_USED
24 | public void service(HttpServletRequest req, HttpServletResponse res) throws IOException, ServletException {
25 | PrintWriter pw = res.getWriter();
26 | res.setContentType(BookStoreConstants.CONTENT_TYPE_TEXT_HTML);
27 | if (!StoreUtil.isLoggedIn(UserRole.CUSTOMER, req.getSession())) {
28 | RequestDispatcher rd = req.getRequestDispatcher("CustomerLogin.html");
29 | rd.include(req, res);
30 | pw.println("\r\n"
76 | + " ![\"Card](\"logo.png\")
\r\n"
77 | + "
\r\n"
86 | + " \r\n"
77 | + " \r\n"
78 | + "
\r\n"
85 | + " " + bName + "
\r\n" 79 | + "\r\n"
80 | + " Author: " + bAuthor
81 | + "
\r\n"
82 | + "
\r\n"
87 | + "
\r\n"
101 | + " \r\n"
88 | + "
\r\n"
93 | + " \r\n"
89 | + " Order Id: ORD" + bCode + "TM \r\n"
90 | + "
Item Yet to be Delivered\r\n"
91 | + "
\r\n"
94 | + "
\r\n"
100 | + " \r\n" 95 | + " Amout Paid: ₹ " + bPrice 96 | + " \r\n" 97 | + "
\r\n" 98 | + button 99 | + "| Please Login First to Continue!! |
Your order status is as below
");
40 | pw.println(
41 | "\r\n" + " \r\n" + "
" + bCode + " ");
68 | pw.println("" + bName + " ");
69 | pw.println("" + bAuthor + " ");
70 | pw.println("" + bPrice + " ");
71 | pw.println("" + quantity + " ");
72 | double amount = bPrice * quantity;
73 | total = total + amount;
74 | pw.println("" + amount + "
");
29 | return;
30 | }
31 |
32 | try {
33 | String bookId = req.getParameter("bookId");
34 | RequestDispatcher rd = req.getRequestDispatcher("SellerHome.html");
35 | rd.include(req, res);
36 | StoreUtil.setActiveTab(pw, "removebook");
37 | pw.println("
");
59 | }
60 | }
61 |
62 | private static void showRemoveBookForm(PrintWriter pw) {
63 | String form = "";
75 | pw.println(form);
76 | }
77 |
78 | }
79 |
--------------------------------------------------------------------------------
/src/main/java/servlets/SellerLoginServlet.java:
--------------------------------------------------------------------------------
1 | package servlets;
2 |
3 | import java.io.IOException;
4 | import java.io.PrintWriter;
5 |
6 | import javax.servlet.RequestDispatcher;
7 | import javax.servlet.ServletException;
8 | import javax.servlet.http.HttpServlet;
9 | import javax.servlet.http.HttpServletRequest;
10 | import javax.servlet.http.HttpServletResponse;
11 |
12 | import com.bittercode.constant.BookStoreConstants;
13 | import com.bittercode.constant.db.UsersDBConstants;
14 | import com.bittercode.model.User;
15 | import com.bittercode.model.UserRole;
16 | import com.bittercode.service.UserService;
17 | import com.bittercode.service.impl.UserServiceImpl;
18 |
19 | public class SellerLoginServlet extends HttpServlet {
20 |
21 | UserService userService = new UserServiceImpl();
22 |
23 | public void doPost(HttpServletRequest req, HttpServletResponse res) throws IOException, ServletException {
24 | PrintWriter pw = res.getWriter();
25 | res.setContentType(BookStoreConstants.CONTENT_TYPE_TEXT_HTML);
26 | String uName = req.getParameter(UsersDBConstants.COLUMN_USERNAME);
27 | String pWord = req.getParameter(UsersDBConstants.COLUMN_PASSWORD);
28 | try {
29 | User user = userService.login(UserRole.SELLER, uName, pWord, req.getSession());
30 | if (user != null) {
31 | RequestDispatcher rd = req.getRequestDispatcher("SellerHome.html");
32 |
33 | rd.include(req, res);
34 | pw.println(" Welcome to Online
\r\n"
35 | + "
\r\n" 36 | + "\r\n"
37 | + "
");
41 | } else {
42 |
43 | RequestDispatcher rd = req.getRequestDispatcher("SellerLogin.html");
44 | rd.include(req, res);
45 | pw.println("
");
33 | return;
34 | }
35 | try {
36 |
37 | // Add/Remove Item from the cart if requested
38 | // store the comma separated bookIds of cart in the session
39 | // StoreUtil.updateCartItems(req);
40 |
41 | RequestDispatcher rd = req.getRequestDispatcher("SellerHome.html");
42 | rd.include(req, res);
43 | pw.println("\r\n"
81 | + " " + book.getBarcode() + " \r\n"
82 | + " " + book.getName() + " \r\n"
83 | + " " + book.getAuthor() + " \r\n"
84 | + " ₹ " + book.getPrice() + " \r\n"
85 | + " "
86 | + book.getQuantity()
87 | + " \r\n"
88 | + " "
92 | + " \r\n";
93 | }
94 |
95 | }
96 |
--------------------------------------------------------------------------------
/src/main/java/servlets/UpdateBookServlet.java:
--------------------------------------------------------------------------------
1 | package servlets;
2 |
3 | import java.io.IOException;
4 | import java.io.PrintWriter;
5 |
6 | import javax.servlet.RequestDispatcher;
7 | import javax.servlet.ServletException;
8 | import javax.servlet.http.HttpServlet;
9 | import javax.servlet.http.HttpServletRequest;
10 | import javax.servlet.http.HttpServletResponse;
11 |
12 | import com.bittercode.constant.BookStoreConstants;
13 | import com.bittercode.constant.ResponseCode;
14 | import com.bittercode.constant.db.BooksDBConstants;
15 | import com.bittercode.model.Book;
16 | import com.bittercode.model.UserRole;
17 | import com.bittercode.service.BookService;
18 | import com.bittercode.service.impl.BookServiceImpl;
19 | import com.bittercode.util.StoreUtil;
20 |
21 | public class UpdateBookServlet extends HttpServlet {
22 | BookService bookService = new BookServiceImpl();
23 |
24 | public void service(HttpServletRequest req, HttpServletResponse res) throws IOException, ServletException {
25 | PrintWriter pw = res.getWriter();
26 | res.setContentType(BookStoreConstants.CONTENT_TYPE_TEXT_HTML);
27 |
28 | if (!StoreUtil.isLoggedIn(UserRole.SELLER, req.getSession())) {
29 | RequestDispatcher rd = req.getRequestDispatcher("SellerLogin.html");
30 | rd.include(req, res);
31 | pw.println("
");
32 | return;
33 | }
34 |
35 | RequestDispatcher rd = req.getRequestDispatcher("SellerHome.html");
36 | rd.include(req, res);
37 | StoreUtil.setActiveTab(pw, "storebooks");
38 | pw.println("
| Book Code | \r\n" + "Book Name | \r\n" 43 | + "Book Author | \r\n" + "Book Price | \r\n" 44 | + "Quantity | Amount |
|---|
Please Select the Qty less than Available Books Quantity
");
63 | break;
64 | }
65 |
66 | if (getChecked.equals("pay")) {
67 | pw.println("Total Paid Amount: " + total + "
");
83 | // String fPay = req.getParameter("f_pay");
84 | } catch (Exception e) {
85 | e.printStackTrace();
86 | }
87 | }
88 | }
89 |
--------------------------------------------------------------------------------
/src/main/java/servlets/RemoveBookServlet.java:
--------------------------------------------------------------------------------
1 | package servlets;
2 |
3 | import java.io.IOException;
4 | import java.io.PrintWriter;
5 |
6 | import javax.servlet.RequestDispatcher;
7 | import javax.servlet.ServletException;
8 | import javax.servlet.http.HttpServlet;
9 | import javax.servlet.http.HttpServletRequest;
10 | import javax.servlet.http.HttpServletResponse;
11 |
12 | import com.bittercode.constant.ResponseCode;
13 | import com.bittercode.model.UserRole;
14 | import com.bittercode.service.BookService;
15 | import com.bittercode.service.impl.BookServiceImpl;
16 | import com.bittercode.util.StoreUtil;
17 |
18 | public class RemoveBookServlet extends HttpServlet {
19 |
20 | BookService bookService = new BookServiceImpl();
21 |
22 | public void service(HttpServletRequest req, HttpServletResponse res) throws IOException, ServletException {
23 | PrintWriter pw = res.getWriter();
24 | res.setContentType("text/html");
25 | if (!StoreUtil.isLoggedIn(UserRole.SELLER, req.getSession())) {
26 | RequestDispatcher rd = req.getRequestDispatcher("SellerLogin.html");
27 | rd.include(req, res);
28 | pw.println("| Please Login First to Continue!! |
");
38 | if (bookId == null || bookId.isBlank()) {
39 | // render the remove book form;
40 | showRemoveBookForm(pw);
41 | return;
42 | } // else continue
43 |
44 | String responseCode = bookService.deleteBookById(bookId.trim());
45 | if (ResponseCode.SUCCESS.name().equalsIgnoreCase(responseCode)) {
46 | pw.println("
");
47 | pw.println(
48 | "
");
49 |
50 | } else {
51 | pw.println("
");
52 | pw.println(
53 | "
");
54 | }
55 | pw.println("
");
56 | } catch (Exception e) {
57 | e.printStackTrace();
58 | pw.println("| Book Removed Successfully |
| Remove more Books |
| Book Not Available In The Store |
| Remove more Books |
| Failed to Remove Books! Try Again |
Welcome to Online
Book Store
\r\n" 36 | + "
Welcome "+user.getFirstName()+", Happy Learning !! | \r\n"
39 | + "
Incorrect UserName or PassWord
");
46 | }
47 |
48 | } catch (Exception e) {
49 | e.printStackTrace();
50 | }
51 | }
52 | }
--------------------------------------------------------------------------------
/src/main/java/servlets/StoreBookServlet.java:
--------------------------------------------------------------------------------
1 | package servlets;
2 |
3 | import java.io.IOException;
4 | import java.io.PrintWriter;
5 | import java.util.List;
6 |
7 | import javax.servlet.RequestDispatcher;
8 | import javax.servlet.ServletException;
9 | import javax.servlet.http.HttpServlet;
10 | import javax.servlet.http.HttpServletRequest;
11 | import javax.servlet.http.HttpServletResponse;
12 |
13 | import com.bittercode.model.Book;
14 | import com.bittercode.model.UserRole;
15 | import com.bittercode.service.BookService;
16 | import com.bittercode.service.impl.BookServiceImpl;
17 | import com.bittercode.util.StoreUtil;
18 |
19 | public class StoreBookServlet extends HttpServlet {
20 |
21 | // book service for database operations and logics
22 | BookService bookService = new BookServiceImpl();
23 |
24 | public void service(HttpServletRequest req, HttpServletResponse res) throws IOException, ServletException {
25 | PrintWriter pw = res.getWriter();
26 | res.setContentType("text/html");
27 |
28 | // Check if the customer is logged in, or else return to login page
29 | if (!StoreUtil.isLoggedIn(UserRole.SELLER, req.getSession())) {
30 | RequestDispatcher rd = req.getRequestDispatcher("SellerLogin.html");
31 | rd.include(req, res);
32 | pw.println("| Please Login First to Continue!! |
");
44 | // Set the active tab as cart
45 | StoreUtil.setActiveTab(pw, "storebooks");
46 |
47 | // Read the books from the database with the respective bookIds
48 | List books = bookService.getAllBooks();
49 | pw.println("\r\n"
51 | + " \r\n"
52 | + "
");
73 |
74 | } catch (Exception e) {
75 | e.printStackTrace();
76 | }
77 | }
78 |
79 | public String getRowData(Book book) {
80 | return " Books Available In the Store
");
50 | pw.println("| BookId | \r\n" 54 | + "Name | \r\n" 55 | + "Author | \r\n" 56 | + "Price | \r\n" 57 | + "Quantity | \r\n" 58 | + "Action | \r\n" 59 | + "
|---|---|---|---|---|---|
| No Books Available in the store | \r\n" 65 | + "|||||
| Please Login First to Continue!! |
");
39 |
40 | try {
41 | if (req.getParameter("updateFormSubmitted") != null) {
42 | String bName = req.getParameter(BooksDBConstants.COLUMN_NAME);
43 | String bCode = req.getParameter(BooksDBConstants.COLUMN_BARCODE);
44 | String bAuthor = req.getParameter(BooksDBConstants.COLUMN_AUTHOR);
45 | double bPrice = Double.parseDouble(req.getParameter(BooksDBConstants.COLUMN_PRICE));
46 | int bQty = Integer.parseInt(req.getParameter(BooksDBConstants.COLUMN_QUANTITY));
47 |
48 | Book book = new Book(bCode, bName, bAuthor, bPrice, bQty);
49 | String message = bookService.updateBook(book);
50 | if (ResponseCode.SUCCESS.name().equalsIgnoreCase(message)) {
51 | pw.println(
52 | "
");
53 | } else {
54 | pw.println("
");
55 | // rd.include(req, res);
56 | }
57 |
58 | return;
59 | }
60 |
61 | String bookId = req.getParameter("bookId");
62 |
63 | if (bookId != null) {
64 | Book book = bookService.getBookById(bookId);
65 | showUpdateBookForm(pw, book);
66 | }
67 |
68 | } catch (Exception e) {
69 | e.printStackTrace();
70 | pw.println("
");
71 | }
72 | }
73 |
74 | private static void showUpdateBookForm(PrintWriter pw, Book book) {
75 | String form = "\r\n"
76 | + "
";
94 | pw.println(form);
95 | }
96 | }
97 |
--------------------------------------------------------------------------------
/src/main/java/servlets/ViewBookServlet.java:
--------------------------------------------------------------------------------
1 | package servlets;
2 |
3 | import java.io.IOException;
4 | import java.io.PrintWriter;
5 | import java.util.List;
6 |
7 | import javax.servlet.RequestDispatcher;
8 | import javax.servlet.ServletException;
9 | import javax.servlet.http.HttpServlet;
10 | import javax.servlet.http.HttpServletRequest;
11 | import javax.servlet.http.HttpServletResponse;
12 | import javax.servlet.http.HttpSession;
13 |
14 | import com.bittercode.model.Book;
15 | import com.bittercode.model.UserRole;
16 | import com.bittercode.service.BookService;
17 | import com.bittercode.service.impl.BookServiceImpl;
18 | import com.bittercode.util.StoreUtil;
19 |
20 | public class ViewBookServlet extends HttpServlet {
21 |
22 | // book service for database operations and logics
23 | BookService bookService = new BookServiceImpl();
24 |
25 | public void service(HttpServletRequest req, HttpServletResponse res) throws IOException, ServletException {
26 | PrintWriter pw = res.getWriter();
27 | res.setContentType("text/html");
28 |
29 | // Check if the customer is logged in, or else return to login page
30 | if (!StoreUtil.isLoggedIn(UserRole.CUSTOMER, req.getSession())) {
31 | RequestDispatcher rd = req.getRequestDispatcher("CustomerLogin.html");
32 | rd.include(req, res);
33 | pw.println("
");
34 | return;
35 | }
36 | try {
37 |
38 | // Read All available books from the database
39 | List books = bookService.getAllBooks();
40 |
41 | // Default Page to load data into
42 | RequestDispatcher rd = req.getRequestDispatcher("CustomerHome.html");
43 | rd.include(req, res);
44 |
45 | // Set Available Books tab as active
46 | StoreUtil.setActiveTab(pw, "books");
47 |
48 | // Show the heading for the page
49 | pw.println("
| Book Detail Updated Successfully! |
| Failed to Update Book!! |
| Failed to Load Book data!! |
| \r\n" 78 | + " \r\n" 91 | + " | \r\n" 92 | + "
| Please Login First to Continue!! |
Available Books"
50 | + ""
52 | + "
");
53 | pw.println("\r\n"
54 | + "
");
55 |
56 | // Add or Remove items from the cart, if requested
57 | StoreUtil.updateCartItems(req);
58 |
59 | HttpSession session = req.getSession();
60 | for (Book book : books) {
61 |
62 | // Add each book to display as a card
63 | pw.println(this.addBookToCard(session, book));
64 |
65 | }
66 |
67 | // Checkout Button
68 | pw.println("
"
69 | + ""
71 | + "
");
72 |
73 | } catch (Exception e) {
74 | e.printStackTrace();
75 | }
76 | }
77 |
78 | public String addBookToCard(HttpSession session, Book book) {
79 | String bCode = book.getBarcode();
80 | int bQty = book.getQuantity();
81 |
82 | // Quantity of the current book added to the cart
83 | int cartItemQty = 0;
84 | if (session.getAttribute("qty_" + bCode) != null) {
85 | // Quantity of each book in the cart will be added in the session prefixed with
86 | // 'qty_' following with bookId
87 | cartItemQty = (int) session.getAttribute("qty_" + bCode);
88 | }
89 |
90 | // Button To Add/Remove item from the cart
91 | String button = "";
92 | if (bQty > 0) {
93 | // If no items in the cart, show add to cart button
94 | // If items is added to the cart, then show +, - button to add/remove more items
95 | button = ""
100 | : "")
105 | + "";
106 | } else {
107 | // If available Quantity is zero, show out of stock button
108 | button = "Out Of Stock
\r\n"; 109 | } 110 | 111 | // Bootstrap card to show the book data 112 | return "\r\n"
113 | + "
";
143 | }
144 | }
145 |
--------------------------------------------------------------------------------
/src/main/resources/application.properties:
--------------------------------------------------------------------------------
1 | db.driver=com.mysql.cj.jdbc.Driver
2 | db.host=jdbc:mysql://localhost
3 | db.port=3306
4 | db.name=onlinebookstore
5 | db.username=root
6 | db.password=root
--------------------------------------------------------------------------------
\r\n"
114 | + " \r\n"
115 | + "
\r\n"
125 | + " \r\n"
115 | + " \r\n"
116 | + "
\r\n"
124 | + " " + book.getName() + "
\r\n" 117 | + "\r\n"
118 | + " Author: "
119 | + book.getAuthor()
120 | + "
\r\n"
121 | + "
\r\n"
126 | + "
\r\n"
142 | + " \r\n"
127 | + "
\r\n"
133 | + " \r\n"
128 | + " Id: " + bCode + "\r\n"
129 | + (bQty < 20 ? "
Only " + bQty + " items left\r\n"
130 | : "
Trending\r\n")
131 | + "
\r\n"
134 | + "
\r\n"
141 | + " \r\n" 135 | + " Price: ₹ " 136 | + book.getPrice() 137 | + " \r\n" 138 | + "
\r\n" 139 | + button 140 | + "