Subversion Repositories WebE

package ch.ffhs.webE.dao;

import java.util.List;

import org.hibernate.Session;

import org.hibernate.Transaction;

import com.googlecode.s2hibernate.struts2.plugin.annotations.SessionTarget;

import com.googlecode.s2hibernate.struts2.plugin.annotations.TransactionTarget;

import ch.ffhs.webE.domain.*;

public class UserDAOImpl implements UserDAO {

	@SessionTarget

	Session session;

	@TransactionTarget

	Transaction transaction;

	@SuppressWarnings("unchecked")

	@Override

	public List<User> listUser() {

		List<User> user = null;

		try {

			user = session.createQuery("from User").list();

		} catch (Exception e) {

			e.printStackTrace();

		}

		return user;

	}

	@Override

	public void saveUser(User user) {

		try {

			session.save(user);

		} catch (Exception e) {

			transaction.rollback();

			e.printStackTrace();

		}

	}

	/**

	 * Used to delete a user.

	 */

	@Override

	public void deleteUser(int userId) {

		try {

			User user = (User) session.get(User.class, userId);

			session.delete(user);

		} catch (Exception e) {

			transaction.rollback();

			e.printStackTrace();

		}

	}

	/**

	 * Returns a single user with this user name (used for login)

	 *

	 * @param username

	 *            : String - entire user name

	 * @return User: Returns a user object if something is found. If not, null

	 *         is returned

	 */

	public User searchUsername(String username) {

		User user = null;

		try {

			user = (User) session

					.createQuery("FROM User " + "WHERE username = :username")

					.setParameter("username", username).uniqueResult();

		} catch (Exception e) {

			// TODO: Log error

		}

		return user;

	}

}