/**
* Gets user email address, first and last name, puts them into a User object, puts the Object
* user into session scope, adds a Cookie called emailCookie with the email address as its value,
* stores the away into a EmailList.txt file that is store in openshift in OPENSHIFT_DATA_DIR
* folder and locally under WEB-INF.
*
* @param request provides parameters for user information
* @param response add the cookie to the response
* @return String representing URL to go to next
*/
private String registerUser(HttpServletRequest request, HttpServletResponse response) {
// get the user data
String email = request.getParameter("email");
String firstName = request.getParameter("firstName");
String lastName = request.getParameter("lastName");
// store the data in a User object
User user = new User();
user.setEmail(email);
user.setFirstName(firstName);
user.setLastName(lastName);
// write the User object to a file
// ServletContext sc = getServletContext();
// String path = sc.getRealPath("/WEB-INF/EmailList.txt");
String path = this.getActualFile();
System.out.println("Path: " + path);
UserIO.add(user, path);
// store the User object as a session attribute
HttpSession session = request.getSession();
session.setAttribute("user", user);
// add a cookie that stores the user's email to browser
Cookie c = new Cookie("emailCookie", email);
c.setMaxAge(60 * 60 * 24 * 365 * 2); // set age to 2 years
c.setPath("/"); // allow entire app to access it
response.addCookie(c);
// create and return a URL for the appropriate Download page
String productCode = (String) session.getAttribute("productCode");
String url = "/" + productCode + "_download.jsp";
return url;
}
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String url = "/index.html";
// get current action
String action = request.getParameter("action");
if (action == null) {
action = "join"; // default action
}
// perform action and set URL to appropriate page
if (action.equals("join")) {
url = "/index.jsp"; // the "join" page
} else if (action.equals("add")) {
// get parameters from the request
String firstName = request.getParameter("firstName");
String lastName = request.getParameter("lastName");
String email = request.getParameter("email");
// store data in User object
User user = new User();
user.setEmail(email);
user.setFirstName(firstName);
user.setLastName(lastName);
// validate the parameters
String message;
if (UserDB.emailExists(user.getEmail())) {
message = "This email address already exists.<br>" + "Please enter another email address.";
url = "/index.jsp";
} else {
message = "";
url = "/thanks.jsp";
UserDB.insert(user);
}
request.setAttribute("user", user);
request.setAttribute("message", message);
}
getServletContext().getRequestDispatcher(url).forward(request, response);
}