D-Net

package eu.dnetlib.utils.hibernate;

import org.apache.log4j.Logger;

import org.hibernate.Session;

import org.hibernate.SessionFactory;

import org.hibernate.cfg.AnnotationConfiguration;

import org.hibernate.cfg.Configuration;

public class HibernateUtil {

	private String host;

	private String catalog;

	private String username;

	private String password;

	private SessionFactory sessionFactory;

	private Logger logger = Logger.getLogger(this.getClass());

	public HibernateUtil() {

	}

	public HibernateUtil(String host, String catalog, String username,

			String password) {

		super();

		this.host = host;

		this.catalog = catalog;

		this.username = username;

		this.password = password;

	}

	public void setHost(String host) {

		this.host = host;

	}

	public void setCatalog(String catalog) {

		this.catalog = catalog;

	}

	public void setUsername(String username) {

		this.username = username;

	}

	public void setPassword(String password) {

		this.password = password;

	}

	public Session getSession() {

		if ((sessionFactory == null) || sessionFactory.isClosed())

			this.configure();

		return sessionFactory.getCurrentSession();

	}

	private void configure() {

		Configuration configuration = new AnnotationConfiguration().configure();

		String url = "jdbc:mysql://" + host + "/" + catalog

				+ "?characterEncoding=UTF-8";

		configuration.setProperty("hibernate.connection.url", url);

		configuration.setProperty("hibernate.connection.username", username);

		configuration.setProperty("hibernate.connection.password", password);

		if (logger.isDebugEnabled())

			logger.debug("Connecting to url " + url + ", username: " + username

					+ ", password: " + password);

		this.sessionFactory = configuration.buildSessionFactory();

	}

	public SessionFactory getSessionFactory() {

		if ((sessionFactory == null) || sessionFactory.isClosed())

			this.configure();

		return sessionFactory;

	}

	public void setSessionFactory(SessionFactory sessionFactory) {

		this.sessionFactory = sessionFactory;

	}

}