DataBaseCredentialHandler.java Source code

Introduction

Here is the source code for DataBaseCredentialHandler.java

Source

import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.AnnotationConfiguration;

/*
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/**
 *
 * @author Kamil
 */
public class DataBaseCredentialHandler extends Thread implements ICredentialHandler {
    private static SessionFactory factory;

    public DataBaseCredentialHandler() {

        try {
            factory = new AnnotationConfiguration().configure().addAnnotatedClass(User.class)
                    .addAnnotatedClass(Liczniki.class).buildSessionFactory();

        } catch (Throwable ex) {
            System.err.println("Failed to create sessionFactory object." + ex);

            throw new ExceptionInInitializerError(ex);
        }
    }

    @Override
    public HashMap Odczyt() {
        HashMap<String, User> passmap = new HashMap<String, User>();
        Session session = factory.openSession();
        Transaction tx = null;
        try {
            tx = session.beginTransaction();
            List<User> list = session.createQuery("FROM User").list();

            for (User i : list)
                passmap.put(i.getCredentials().getLogin(), i);

            tx.commit();
        } catch (HibernateException e) {
            if (tx != null)
                tx.rollback();
            e.printStackTrace();
        } finally {
            session.close();
        }
        return passmap;
    }

    @Override
    public Long zapisNowegoUzytkownika(Credentials Cr1) throws IOException {
        Session session = factory.openSession();
        Transaction tx = null;
        Long employeeID = null;

        try {
            tx = session.beginTransaction();

            User user = new User(Cr1);
            employeeID = (Long) session.save(user);
            tx.commit();
        } catch (HibernateException e) {
            if (tx != null)
                tx.rollback();
            e.printStackTrace();
        } finally {
            session.close();
        }
        return employeeID;
    }

    @Override
    public void zapiszWynik(Long EmployeeID, Map mapa) {
        Session session = factory.openSession();
        Transaction tx = null;
        try {

            tx = session.beginTransaction();
            // session.delete(user.getMapaWynikow());
            User user = session.get(User.class, EmployeeID);

            user.setMapaWynikow(mapa);
            session.merge(user);
            tx.commit();

        } catch (HibernateException e) {
            if (tx != null)
                tx.rollback();
            e.printStackTrace();
        } finally {
            session.close();
        }

    }

}