brigate/src/dao/UtenteDao.java

package dao;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

import bean.Utente;

public class UtenteDao implements UtenteDaoI {

	OracleConnection c = new OracleConnection();

	@Override
	public boolean registrazione(String nickname, String password, String ruolo) {
		Connection connection = c.open();

		int n = -1;

		String query = "insert into utenti values(?, ?, ?)";

		try {
			PreparedStatement st = connection.prepareStatement(query);

			st.setString(1, nickname);
			st.setString(2, password);
			st.setString(3, ruolo);

			n = st.executeUpdate();
//
		} catch (SQLException e) {
			e.printStackTrace();

		}

		c.close();
		return n == -1 ? false : true;

	}

	@Override
	public Utente login(String nickname, String password) {
		Utente letto = null;
		Connection connection = c.open();

		String query = "select * from utenti where nickname = ? and password = ?";

		try {
			PreparedStatement st = connection.prepareStatement(query);

			st.setString(1, nickname);
			st.setString(2, password);

			ResultSet rs = st.executeQuery();
			while(rs.next()) {
				letto = new Utente();
				letto.setNick(rs.getString(1));
				letto.setPassword(rs.getString(2));
				letto.setRuolo(rs.getString(3));
				System.out.println(letto);
			}

		} catch (SQLException e) {
			e.printStackTrace();

		}

		c.close();
		return letto;
	}

}