package myapp.spring.dao;

import java.util.List;

import myapp.spring.domain.User;

public interface UserDao
{
	public User getUser(long userId);

	public void saveUser(User user);

	public List<User> getAllUsers();

	public boolean checkUser(String login, String password);
}

---------------

package myapp.spring.dao;

import java.util.List;

import myapp.spring.domain.User;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.query.Query;


public class UserDaoImpl implements UserDao {
	protected final Logger log = LoggerFactory.getLogger(getClass());

	SessionFactory sessionFactory;

	public void setSessionFactory(SessionFactory sessionFactory) {
		this.sessionFactory = sessionFactory;
	}

	public User getUser(long userId) {
		try (Session session = sessionFactory.openSession()) {
			return (User) session.get(User.class.getName(), userId);
		}
	}

	public List<User> getAllUsers() {
		try (Session session = sessionFactory.openSession()) {
			Query<User> query = session.createQuery("FROM " + User.class.getName());
			return query.getResultList();
		}
	}

	public void saveUser(User user) {
		try (Session session = sessionFactory.openSession()) {
			session.beginTransaction();
			session.saveOrUpdate(user);
			session.getTransaction().commit();
		}
	}

	public boolean checkUser(String login, String password) {
		if (login.equalsIgnoreCase(login) && password.equalsIgnoreCase(password))
			return true;
		return false;
	}
}
------------
package myapp.spring.controllers;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;

import javax.servlet.http.HttpSession;

import myapp.spring.dao.UserDao;
import myapp.spring.domain.User;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.propertyeditors.CustomDateEditor;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.ui.ModelMap;
import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
import org.springframework.validation.beanvalidation.LocalValidatorFactoryBean;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.InitBinder;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;

@Controller
public class UserController
{

	@Autowired
	UserDao userDao;

	@Autowired
	LocalValidatorFactoryBean validator;

	@RequestMapping(value = "admin/clients/add", method = RequestMethod.GET)
	public String addClient(Model model, @RequestParam(value = "id", defaultValue = "-1") Long clientId, HttpSession session)
	{
		User user = (clientId > 0) ? userDao.getUser(clientId) : new User();
		model.addAttribute("register", user);
		return "registerForm";
	}

	@RequestMapping(value = "admin/clients/add", method = RequestMethod.POST)
	public String processAddClient(Model model, @ModelAttribute("register") User user, BindingResult result)
	{

		if (result.hasErrors())
		{
			return "registerForm";
		}

		List<FieldError> errors = result.getFieldErrors();
		for (FieldError objectError : errors)
		{
			System.out.println(objectError.getRejectedValue());
		}
		userDao.saveUser(user);
		return "successRegister";
	}


	@RequestMapping(value = "/admin/clients", method = RequestMethod.GET)
	protected String allClients(ModelMap model) throws Exception {
		model.addAttribute("users", userDao.getAllUsers());
		return "registerList";
	}

	@InitBinder
	public void initBinder(WebDataBinder binder)
	{
		SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
		dateFormat.setLenient(false);
		binder.registerCustomEditor(Date.class, new CustomDateEditor(dateFormat, false));
	}
}


-----
package myapp.spring.domain;

import java.io.Serializable;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;


@Entity
@Table(name = "USERS")
public class User implements Serializable {
	private static final long serialVersionUID = 1L;



	@Id
	@GeneratedValue(strategy=GenerationType.IDENTITY)
	@Column(name = "client_id")
	private long clientId;

	@Column(name = "email")
	private String email;

	@Column(name = "numberPhone")
	private String numberPhone;

	@Column(name = "name")
	private String name;

	@Column(name = "surname")
	private String surname;

	@Column(name = "street")
	private String street;

	@Column(name = "zipcode")
	private String zipcode;

	@Column(name = "locality")
	private String locality;

	@Column(name = "numberOfHouse")
	private String numberOfHouse;

	@Column(name = "numberOfPlace")
	private String numberOfPlace;

	@Column(name = "nation")
	private String nation;

	@Column(name = "PESEL")
	private String PESEL;

	@Column(name = "numberOfID")
	private String numberOfID;

	public User() {
	}

	public long getClientId() {
		return clientId;
	}

	public void setClientId(long clientId) {
		this.clientId = clientId;
	}

	public String getEmail() {
		return email;
	}

	public void setEmail(String email) {
		this.email = email;
	}

	public String getNumberPhone() {
		return numberPhone;
	}

	public void setNumberPhone(String numberPhone) {
		this.numberPhone = numberPhone;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public String getSurname() {
		return surname;
	}

	public void setSurname(String surname) {
		this.surname = surname;
	}

	public String getStreet() {
		return street;
	}

	public void setStreet(String street) {
		this.street = street;
	}

	public String getZipcode() {
		return zipcode;
	}

	public void setZipcode(String zipcode) {
		this.zipcode = zipcode;
	}

	public String getLocality() {
		return locality;
	}

	public void setLocality(String locality) {
		this.locality = locality;
	}

	public String getNumberOfHouse() {
		return numberOfHouse;
	}

	public void setNumberOfHouse(String numberOfHouse) {
		this.numberOfHouse = numberOfHouse;
	}

	public String getNumberOfPlace() {
		return numberOfPlace;
	}

	public void setNumberOfPlace(String numberOfPlace) {
		this.numberOfPlace = numberOfPlace;
	}

	public String getNation() {
		return nation;
	}

	public void setNation(String nation) {
		this.nation = nation;
	}

	public String getPESEL() {
		return PESEL;
	}

	public void setPESEL(String pESEL) {
		PESEL = pESEL;
	}

	public String getNumberOfID() {
		return numberOfID;
	}

	public void setNumberOfID(String numberOfID) {
		this.numberOfID = numberOfID;
	}
}