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<%@ page language="java" contentType="text/html; charset=ISO-8859-1" |
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pageEncoding="ISO-8859-1"%> |
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<%! |
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private Cookie getCookie(String name, Cookie[] cookies) |
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{ |
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for(Cookie cookie: cookies) |
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{ |
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if(cookie.getName().equals(name)) |
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return cookie; |
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} |
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return null; |
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} |
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%> |
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<!DOCTYPE html> |
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<html lang="en"> |
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<head> |
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<meta charset="utf-8"> |
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<meta http-equiv="X-UA-Compatible" content="IE=edge"> |
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<meta name="viewport" content="width=device-width, initial-scale=1"> |
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<title>Session and Cookies</title> |
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<!-- Bootstrap --> |
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<link href="css/bootstrap.min.css" rel="stylesheet"> |
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<!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries --> |
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<!-- WARNING: Respond.js doesn't work if you view the page via file:// --> |
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<!--[if lt IE 9]> |
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<script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script> |
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<script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script> |
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<![endif]--> |
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</head> |
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<body> |
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<div class="container"> |
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<h1>Session and cookies! </h1> |
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<% |
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Cookie c = getCookie("login", request.getCookies()); |
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if(request.getMethod().equals("POST")) |
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{ |
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String username = request.getParameter("username"); |
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String password = request.getParameter("password"); |
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String radio = request.getParameter("cookiesession"); |
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if(username != null && password != null && radio != null) |
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{ |
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if(username.equals("Federico") && password.equals("password")) |
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{ |
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if(radio.equals("session")) |
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session.setAttribute("logged", username); |
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else |
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{ |
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c = new Cookie("logged", username); |
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response.addCookie(c); |
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} |
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} |
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else |
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{ |
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%> |
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<p class="bg-danger" style="padding:15px;">Username o password errate.</p> |
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<% |
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} |
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} |
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} |
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if(request.getMethod().equals("GET")) |
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{ |
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if(request.getParameter("logout") != null && request.getParameter("logout").equals("y")) |
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{ |
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for(Cookie cookie : request.getCookies()) |
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{ |
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cookie.setMaxAge(0); |
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response.addCookie(cookie); |
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} |
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c = null; |
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session.invalidate(); |
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} |
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} |
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if(request.getSession().getAttribute("logged") != null || c != null) |
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{ |
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String username = request.getSession().getAttribute("logged") != null ? (String) request.getSession().getAttribute("logged") : c.getValue(); |
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out.println("<p class=\"bg-primary\"><h2>Welcome," + username + "</h2></p>"); |
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out.println("<button type=\"submit\" class=\"btn btn-default\" onclick=\"javascript:window.location.assign('?logout=y\')\">Logout</button>"); |
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} |
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else |
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{ |
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%> |
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<div class="row"> |
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<div class="col-md-6"> |
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<form method="post" action=""> |
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<div class="form-group"> |
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<label for="username">Username</label> |
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<input name="username" type="text" class="form-control" id="username" placeholder="Enter username"> |
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</div> |
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<div class="form-group"> |
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<label for="password">Password</label> |
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<input name="password" type="password" class="form-control" id="password" placeholder="Enter Password"> |
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</div> |
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<div class="radio"> |
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<label> |
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<input type="radio" name="cookiesession" id="cookie" value="cookie" checked> |
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Use cookies |
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</label> |
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</div> |
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<div class="radio"> |
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<label> |
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<input type="radio" name="cookiesession" id="session" value="session"> |
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Use sessions |
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</label> |
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</div> |
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<button type="submit" class="btn btn-default">Login</button> |
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</form> |
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</div> |
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</div> |
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<% |
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} |
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%> |
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</div> |
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<!-- jQuery (necessary for Bootstrap's JavaScript plugins) --> |
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<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script> |
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<!-- Include all compiled plugins (below), or include individual files as needed --> |
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<script src="js/bootstrap.min.js"></script> |
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</body> |
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</html> |
