New working version after Victoria trip - DB connection management

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package it.inaf.oats.vospacebackend.implementation;

import com.mysql.jdbc.jdbc2.optional.MysqlDataSource;

import it.inaf.oats.vospacebackend.exceptions.ExceptionMessage;

import it.inaf.oats.vospacebackend.exceptions.VOSpaceBackendException;

import java.sql.Connection;

import java.sql.SQLException;

import javax.naming.Context;

import javax.naming.InitialContext;

import javax.naming.NamingException;

import javax.sql.DataSource;

import org.apache.log4j.Logger;

/**

 *

 * @author bertocco

 */

public class DBConnectionMng {

    private static final Logger log = Logger.getLogger(DBConnectionMng.class);

    public static Connection getDBConnection() throws SQLException, VOSpaceBackendException {

        DataSource ds = getDataSource();

        Connection dbConnection = ds.getConnection();

	return dbConnection;

    }

    public static DataSource getDataSource() {

        DataSource ds = null;

        try {

            Context initContext = new InitialContext();

            Context envContext = (Context) initContext.lookup("java:comp/env");

            String vosNodesDataSourceName = "jdbc/cadctest";

            ds = (DataSource) envContext.lookup(vosNodesDataSourceName);

        } catch (NamingException ex) {

            log.fatal(ex);

            ds = null;

        }

        return ds;

    }

    /**

     * Providing a data source.

     */

    /*

    protected DataSource getDataSource() {

        MysqlDataSource dataSource = new MysqlDataSource();

        dataSource.setDatabaseName("cadctest");

        dataSource.setUser("oatsops");

        dataSource.setPassword("Peper0ne");

        dataSource.setServerName("localhost");

        return dataSource;

    }

    */

}