Location: PHPKode > projects > GnomePHP > peec-GnomePHP-b5a360b/gnomephp/doctrine/Doctrine/DBAL/Driver/PDOIbm/Driver.php
<?php
/*
 *  $Id$
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the LGPL. For more information, see
 * <http://www.doctrine-project.org>.
*/

namespace Doctrine\DBAL\Driver\PDOIbm;

use Doctrine\DBAL\Connection;

/**
 * Driver for the PDO IBM extension
 *
 * @license     http://www.opensource.org/licenses/lgpl-license.php LGPL
 * @link        www.doctrine-project.com
 * @since       1.0
 * @version     $Revision$
 * @author      Benjamin Eberlei <hide@address.com>
 * @author      Guilherme Blanco <hide@address.com>
 * @author      Jonathan Wage <hide@address.com>
 * @author      Roman Borschel <hide@address.com>
 */
class Driver implements \Doctrine\DBAL\Driver
{
    /**
     * Attempts to establish a connection with the underlying driver.
     *
     * @param array $params
     * @param string $username
     * @param string $password
     * @param array $driverOptions
     * @return Doctrine\DBAL\Driver\Connection
     */
    public function connect(array $params, $username = null, $password = null, array $driverOptions = array())
    {
        $conn = new \Doctrine\DBAL\Driver\PDOConnection(
            $this->_constructPdoDsn($params),
            $username,
            $password,
            $driverOptions
        );
        return $conn;
    }

    /**
     * Constructs the MySql PDO DSN.
     *
     * @return string  The DSN.
     */
    private function _constructPdoDsn(array $params)
    {
        $dsn = 'ibm:';
        if (isset($params['host'])) {
            $dsn .= 'HOSTNAME=' . $params['host'] . ';';
        }
        if (isset($params['port'])) {
            $dsn .= 'PORT=' . $params['port'] . ';';
        }
        $dsn .= 'PROTOCOL=TCPIP;';
        if (isset($params['dbname'])) {
            $dsn .= 'DATABASE=' . $params['dbname'] . ';';
        }

        return $dsn;
    }

    /**
     * Gets the DatabasePlatform instance that provides all the metadata about
     * the platform this driver connects to.
     *
     * @return Doctrine\DBAL\Platforms\AbstractPlatform The database platform.
     */
    public function getDatabasePlatform()
    {
        return new \Doctrine\DBAL\Platforms\DB2Platform;
    }

    /**
     * Gets the SchemaManager that can be used to inspect and change the underlying
     * database schema of the platform this driver connects to.
     *
     * @param  Doctrine\DBAL\Connection $conn
     * @return Doctrine\DBAL\SchemaManager
     */
    public function getSchemaManager(Connection $conn)
    {
        return new \Doctrine\DBAL\Schema\DB2SchemaManager($conn);
    }

    /**
     * Gets the name of the driver.
     *
     * @return string The name of the driver.
     */
    public function getName()
    {
        return 'pdo_ibm';
    }

    /**
     * Get the name of the database connected to for this driver.
     *
     * @param  Doctrine\DBAL\Connection $conn
     * @return string $database
     */
    public function getDatabase(\Doctrine\DBAL\Connection $conn)
    {
        $params = $conn->getParams();
        return $params['dbname'];
    }
}
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