BAEL-1343 MVC Architecture with Servlets and JSP code (#3624)

* BAEL-1343 MVC Architecture with Servlets and JSP code * BAEL-1343 code refactoring * BAEL-1343 code refactoring * BAEL-1343 updated code formatting * BAEL-1343 code refactoring
2018-02-14 05:49:46 +05:00
parent 3d4a179ca3
commit bcc3b6ed95
7 changed files with 176 additions and 1 deletions
@@ -0,0 +1,43 @@
+package com.baeldung.controller;
+
+import java.io.IOException;
+
+import javax.servlet.RequestDispatcher;
+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 com.baeldung.service.StudentService;
+
+/**
+ * 
+ * @author haseeb
+ *
+ */
+@WebServlet(name = "StudentServlet", urlPatterns = "/student-record")
+public class StudentServlet extends HttpServlet {
+
+    protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        StudentService studentService = new StudentService();
+        String studentID = request.getParameter("id");
+        if (studentID != null) {
+            int id = Integer.parseInt(studentID);
+            request.setAttribute("studentRecord", studentService.getStudent(id));
+        }
+
+        RequestDispatcher dispatcher = request.getRequestDispatcher("/WEB-INF/jsp/student-record.jsp");
+        dispatcher.forward(request, response);
+    }
+
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        processRequest(request, response);
+    }
+
+    @Override
+    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        processRequest(request, response);
+    }
+}