/**
* Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
String username = request.getParameter("username");
String password = request.getParameter("password");
Statement stmt;
ResultSet rs;
Connection con = null;
try {
Class.forName("com.mysql.jdbc.Driver");
String connectionUrl = "jdbc:mysql://localhost/myflickr?" + "user=root&password=123456";
con = DriverManager.getConnection(connectionUrl);
if (con != null) {
System.out.println("connected to mysql");
}
} catch (SQLException e) {
System.out.println("SQL Exception: " + e.toString());
} catch (ClassNotFoundException cE) {
System.out.println("Class Not Found Exception: " + cE.toString());
}
try {
stmt = con.createStatement();
System.out.println("SELECT * FROM flickrusers WHERE name='" + username + "'");
rs = stmt.executeQuery("SELECT * FROM flickrusers WHERE name='" + username + "'");
while (rs.next()) {
if (rs.getObject(1).toString().equals(username)) {
out.println("<h1>To username pou epileksate uparxei hdh</h1>");
out.println("<a href=\"project3.html\">parakalw dokimaste kapoio allo.</a>");
stmt.close();
rs.close();
return;
}
}
stmt.close();
rs.close();
stmt = con.createStatement();
if (!stmt.execute("INSERT INTO flickrusers VALUES('" + username + "', '" + password + "')")) {
out.println("<h1>Your registration is completed " + username + "</h1>");
out.println("<a href=\"index.jsp\">go to the login menu</a>");
registerListener.Register(username);
} else {
out.println("<h1>To username pou epileksate uparxei hdh</h1>");
out.println("<a href=\"project3.html\">Register</a>");
}
} catch (SQLException e) {
throw new ServletException("Servlet Could not display records.", e);
}
}
/**
* Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
String username = request.getParameter("username");
String password = request.getParameter("password");
Statement stmt;
ResultSet rs;
if (username == null || password == null) {
out.println("<h1>Invalid Register Request</h1>");
out.println("<a href=\"register.html\">Register</a>");
return;
}
Connection con = null;
try {
Class.forName("com.mysql.jdbc.Driver");
String connectionUrl = "jdbc:mysql://localhost/project3?" + "user=root&password=marouli";
con = DriverManager.getConnection(connectionUrl);
if (con != null) {
System.out.println("Ola ok me mysql");
}
} catch (SQLException e) {
System.out.println("SQL Exception: " + e.toString());
} catch (ClassNotFoundException cE) {
System.out.println("Class Not Found Exception: " + cE.toString());
}
try {
stmt = con.createStatement();
rs = stmt.executeQuery("SELECT * FROM users WHERE username='******'");
if (rs.next()) {
out.println("<h1>Username exists</h1>");
out.println("<a href=\"register.html\">Register</a>");
stmt.close();
rs.close();
con.close();
return;
}
stmt.close();
rs.close();
stmt = con.createStatement();
if (!stmt.execute("INSERT INTO users VALUES('" + username + "', '" + password + "')")) {
out.println("<h1>You are now registered " + username + "</h1>");
out.println("<a href=\"index.jsp\">Login</a>");
int i;
for (i = 0; i < listeners.size(); i++) listeners.get(i).UserRegistered(username);
} else {
out.println("<h1>Could not add your username to the db</h1>");
out.println("<a href=\"register.html\">Register</a>");
}
stmt.close();
con.close();
} catch (SQLException e) {
throw new ServletException("Servlet Could not display records.", e);
}
}