In this tutorial how to perform session tracking using URL-Rewriting in servlets is shown.<\/p>\n
Code:<\/p>\n
index.html<\/p>\n
<html>
\n<head>
\n<title>URL Rewriting Program<\/title>
\n<meta charset=”UTF-8″>
\n<meta name=”viewport” content=”width=device-width, initial-scale=1.0″>
\n<\/head>
\n<body>
\n<form action=”page1″ method=”POST”>
\nName: <input type=”text” name=”username”>
\n<input type=”submit” value=”Go”>
\n<\/form>
\n<\/body>
\n<\/html><\/p>\n
page1.java<\/p>\n
import java.io.IOException;
\nimport java.io.PrintWriter;
\nimport javax.servlet.ServletException;
\nimport javax.servlet.http.HttpServlet;
\nimport javax.servlet.http.HttpServletRequest;
\nimport javax.servlet.http.HttpServletResponse;
\npublic class page1 extends HttpServlet {
\nprotected void doPost(HttpServletRequest request, HttpServletResponse response)
\nthrows ServletException, IOException {
\nresponse.setContentType(“text\/html;charset=UTF-8”);
\ntry (PrintWriter out = response.getWriter()) {
\nString n=request.getParameter(“username”);
\n\/* TODO output your page here. You may use following sample code. *\/
\nout.println(“<!DOCTYPE html>”);
\nout.println(“<html>”);
\nout.println(“<head>”);
\nout.println(“<title>Servlet page1<\/title>”);
\nout.println(“<\/head>”);
\nout.println(“<body>”);
\nout.println(“Welcome “+n+”<br>”);
\nout.println(“<a href=’page2?uname=”+n+”‘>Visit<\/a>”);
\nout.println(“<\/body>”);
\nout.println(“<\/html>”);
\n}
\n}
\n}<\/p>\n
page2.java<\/p>\n
import java.io.IOException;
\nimport java.io.PrintWriter;
\nimport javax.servlet.ServletException;
\nimport javax.servlet.http.HttpServlet;
\nimport javax.servlet.http.HttpServletRequest;
\nimport javax.servlet.http.HttpServletResponse;
\npublic class page2 extends HttpServlet {
\nprotected void doGet(HttpServletRequest request, HttpServletResponse response)
\nthrows ServletException, IOException {
\nresponse.setContentType(“text\/html;charset=UTF-8”);
\ntry (PrintWriter out = response.getWriter()) {
\nString n=request.getParameter(“uname”);
\n\/* TODO output your page here. You may use following sample code. *\/
\nout.println(“<!DOCTYPE html>”);
\nout.println(“<html>”);
\nout.println(“<head>”);
\nout.println(“<title>Servlet page2<\/title>”);
\nout.println(“<\/head>”);
\nout.println(“<body>”);
\nout.println(“Hello “+n);
\nout.println(“<\/body>”);
\nout.println(“<\/html>”);
\n}
\n}<\/p>\n
}<\/p>\n