com.vaadinspring.presenter.UserPresenterImpl.java Source code

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Here is the source code for com.vaadinspring.presenter.UserPresenterImpl.java

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package com.vaadinspring.presenter;

import com.vaadinspring.components.HibernateUtil;
import com.vaadinspring.model.Role;
import com.vaadinspring.model.Users;
import java.io.Serializable;
import java.util.List;
import org.hibernate.Criteria;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.criterion.Restrictions;
import org.springframework.security.core.context.SecurityContextHolder;

/**
 *
 * @author m.zhaksygeldy
 */
public class UserPresenterImpl implements UserPresenter {
    public void create(List<String> createList) {
        Users user = new Users();
        user.setLogin(createList.get(0));
        user.setPassword(createList.get(1));
        user.setEmail(createList.get(2));
        user.setRole(findRole(createList.get(3)));
        Session session = HibernateUtil.getSessionFactory().openSession();
        session.beginTransaction();
        session.save(user);
        session.getTransaction().commit();
        session.close();
    }

    public Role findRole(String role_name) {
        Session session = HibernateUtil.getSessionFactory().openSession();
        session.beginTransaction();
        Criteria cr = session.createCriteria(Role.class);
        cr.add(Restrictions.eq("role_name", role_name));
        Role role = (Role) cr.uniqueResult();
        session.getTransaction().commit();
        session.close();
        return role;
    }

    public void delete(int id) {
        Session session = HibernateUtil.getSessionFactory().openSession();
        session.beginTransaction();
        Users user = (Users) session.get(Users.class, id);
        session.delete(user);
        session.getTransaction().commit();
        session.close();
    }

    public void update(List<String> updateList) {
        Users newUser = getUser(updateList.get(0));
        newUser.setPassword(updateList.get(1));
        newUser.setEmail(updateList.get(2));
        newUser.setRole(findRole(updateList.get(3)));
        Session session = HibernateUtil.getSessionFactory().openSession();
        session.beginTransaction();
        Users user = (Users) session.merge(newUser);
        session.saveOrUpdate(user);
        session.getTransaction().commit();
        session.close();
    }

    public void edit(List<String> editList) {
        Users newUser = getUser(editList.get(0));
        newUser.setPassword(editList.get(1));
        newUser.setEmail(editList.get(2));
        newUser.setImage(editList.get(4));
        Session session = HibernateUtil.getSessionFactory().openSession();
        session.beginTransaction();
        Users user = (Users) session.merge(newUser);
        session.saveOrUpdate(user);
        session.getTransaction().commit();
        session.close();
    }

    public List<Users> getUsers() {
        Session session = HibernateUtil.getSessionFactory().openSession();
        session.beginTransaction();
        Criteria cr = session.createCriteria(Users.class);
        List<Users> users = cr.list();
        session.getTransaction().commit();
        session.close();
        return users;
    }

    public Users getUser(int id) {
        Session session = HibernateUtil.getSessionFactory().openSession();
        session.beginTransaction();
        Users user = (Users) session.get(Users.class, id);
        session.getTransaction().commit();
        session.close();
        return user;
    }

    public Users getUser(String login) {
        Session session = HibernateUtil.getSessionFactory().openSession();
        session.beginTransaction();
        Criteria cr = session.createCriteria(Users.class);
        cr.add(Restrictions.eq("login", login));
        Users user = (Users) cr.uniqueResult();
        session.getTransaction().commit();
        session.close();
        return user;
    }

    public Users getCurrent() {
        Users currentUser = new Users();
        currentUser = getUser(SecurityContextHolder.getContext().getAuthentication().getPrincipal().toString());
        return currentUser;
    }

    public void logout() {
        SecurityContextHolder.clearContext();
    }

    public boolean hasRole(String role) {
        if (role.equals(SecurityContextHolder.getContext().getAuthentication().getAuthorities().iterator().next()
                .getAuthority()))
            return true;
        else
            return false;
    }

    public String getImagePath() {
        String path = this.getClass().getClassLoader().getResource("").toString();
        return path.substring(6, path.length() - 49) + "src/main/resources/images/";
    }
}