UtilBaseDatos.java

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package ec.gob.mcds.seguridades.utilitario;

import ec.gob.mcds.commons.util.Util;
import java.sql.Connection;
import javax.naming.InitialContext;
import javax.sql.DataSource;

/**
 *
 * @author fernando
 */
public class UtilBaseDatos {

    public Connection getConexion() {
        try {
            Connection con = dataSource().getConnection();
            return con;
        } catch (Exception e) {
            return null;
        }
    }
    
    private DataSource dataSource() {
        try {
            DataSource ds;
            InitialContext ctx = new InitialContext();
            ds = (DataSource) ctx.lookup(Util.JDBC_SEGURIDADES);
            return ds;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }    
}