BAEL-4408

BAEL-4408 files added

javax-servlets/src/main/java/com/baeldung/servlets/MainServlet.java

@@ -0,0 +1,22 @@
+package com.baeldung.servlets;
+
+import java.io.IOException;
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+@WebServlet("/main")
+public class MainServlet extends HttpServlet {
+
+   
+	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+		
+		response.sendRedirect("main.jsp");
+	}
+
+	
+	
+
+}

javax-servlets/src/main/java/com/baeldung/servlets/UpdateServlet.java

@@ -0,0 +1,30 @@
+package com.baeldung.servlets;
+
+
+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 javax.servlet.http.HttpSession;
+
+@WebServlet("/update")
+public class UpdateServlet extends HttpServlet {
+
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+
+        HttpSession session = request.getSession(false);
+
+        session.setAttribute("userName", request.getParameter("userName"));
+        session.setAttribute("age", request.getParameter("age"));
+
+        request.setAttribute("sessionData", session);
+        RequestDispatcher requestDispather = request.getRequestDispatcher("update.jsp");
+
+        requestDispather.forward(request, response);
+    }
+
+}

javax-servlets/src/main/java/com/baeldung/servlets/UserLoginServlet.java

@@ -0,0 +1,30 @@
+package com.baeldung.servlets;
+
+
+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 javax.servlet.http.HttpSession;
+
+@WebServlet("/u_login")
+public class UserLoginServlet extends HttpServlet {
+
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        HttpSession session = request.getSession();
+
+        session.setAttribute("userId", request.getParameter("userId"));
+
+        request.setAttribute("id", session.getAttribute("userId"));
+
+        RequestDispatcher requestDispather = request.getRequestDispatcher("userlogin.jsp");
+
+        requestDispather.forward(request, response);
+
+    }
+
+}