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package servlet.verif;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import info.classe.DatabaseConnection;
import servlet.verif.ValidateLogin;
/**
* Servlet implementation class ValidateLogin
*/
public class ValidateLogin extends HttpServlet {
Connection conn=null;
ResultSet res=null ;
String username, password, query;
DatabaseConnection dbconn ;
/**
*
*/
private static final long serialVersionUID = 1L;
/**
*
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException, SQLException {
response.setContentType("text/html,charset=UTF-8");
PrintWriter out=response.getWriter();
try{
username=request.getParameter("username");
password=request.getParameter("pass");
query=" select * from admin where username='"+username+"' and password ='"+password+"' ";
DatabaseConnection dbconn = new DatabaseConnection();
conn=dbconn.setConnection();
res=dbconn.getResult(query, conn);
if(res.next()){
getServletContext().getRequestDispatcher("/adminScreen.jsp").forward(request, response);
}else {
getServletContext().getRequestDispatcher("/error.jsp").forward(request, response);
}
}
catch(Exception e){
getServletContext().getRequestDispatcher("/error.jsp").forward(request, response);
}
finally{
out.close();
if (res != null)
try {
res.close();
} catch (SQLException e) {
e.printStackTrace(); // ou autre traitement
}
}
}
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
try {
processRequest(request,response);
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
try {
processRequest(request,response);
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
} |
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