package com.User;

import java.io.IOException;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.User.dao.*;
import com.User.dao.UserDAOImplementation;

import sun.misc.Perf.GetPerfAction;

import com.User.User;

@WebServlet("/UserController")
public class UserController extends HttpServlet {

    private UserDAO dao;
    private static final long serialVersionUID = 1L;
    public static final String lIST_USER = "/listUser.jsp";
    public static final String INSERT_OR_EDIT = "/user.jsp";

    public UserController() {
        dao = new UserDAOImplementation();
    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        String forward = "";
        String action = request.getParameter( "action" );

        if( action.equalsIgnoreCase( "delete" ) ) {
            forward = lIST_USER;
            String usuario= (request.getParameter("usuairo")) ;
            dao.deleteUser(usuario);
            request.setAttribute("user", dao.getAllUser() );
        }
        else if( action.equalsIgnoreCase( "edit" ) ) {
            forward = INSERT_OR_EDIT;
            String usuario = ( request.getParameter("usuario") );
            User user = dao.getUserById(usuario);
            request.setAttribute("User", user);
        }
        else if( action.equalsIgnoreCase( "insert" ) ) {
            forward = INSERT_OR_EDIT;
        }
        else {
            forward = lIST_USER;
            request.setAttribute("user", dao.getAllUser() );
        }
        RequestDispatcher view = request.getRequestDispatcher( forward );
        view.forward(request, response);
    }

    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        User user = new User();
        user.setUsuario( request.getParameter( "usuario" ) );
        user.setNombre( request.getParameter( "nombre" ) );
        user.setApellidos( request.getParameter( "apellidos" ) );
        user.setEmail( request.getParameter( "email" ) ) ;
        user.setPassword( request.getParameter( "password" ) ) ;
        user.setTipo( request.getParameter( "tipo" ) ) ;
        user.setCurso( request.getParameter( "curso" ) ) ;
        String id = request.getParameter("id");

        if( id == null || id.isEmpty() )
            dao.addUser(user);
        else {


            dao.updateUser(user);
        }
        RequestDispatcher view = request.getRequestDispatcher( lIST_USER );
        request.setAttribute("user", dao.getAllUser());
        view.forward(request, response);
    }
}

package com.User;

import java.util.List;

public class User {

    private int id;
    private String usuario;
    private String nombre;
    private String apellidos;
    private String password;
    private String email;
    private String tipo;
    private String curso;

    public int getId() {
        return id;
    }
    public void setId(int id) {
        this.id = id;
    }
    public String getUsuario() {
        return usuario;
    }
    public void setUsuario(String usuario) {
        this.usuario= usuario;
    }
    public String getNombre() {
        return nombre;
    }
    public void setNombre(String nombre) {
        this.nombre = nombre;
    }
    public String getApellidos() {
        return apellidos;
    }
    public void setApellidos(String apellidos) {
        this.apellidos = apellidos;
    }
    public String getPassword() {
        return password;
    }
    public void  setPassword(String password){
        this.password = password;
    }
   public String getEmail() {
        return email;
    }
    public void setEmail(String email) {
        this.email = email;
    }
    public String getTipo() {
        return tipo;
    }
    public void setTipo(String tipo) {
        this.tipo = tipo;
    }
    public String getCurso() {
        return curso;
    }
    public void setCurso(String curso) {
        this.curso = curso;
    }

    @Override
    public String toString() {
        return "User [id=" + id + ", usuario=" + usuario + ", nombre=" + nombre
                + ", apellidos=" + apellidos + ",  email="
                + email + ", password=" + password +", tipo="
                + tipo + ",  curso="
                + curso + "]";
    }


    public static List<User> list() {
        // TODO Auto-generated method stub
        return null;
    }
}