<?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\ORM\Mapping\Driver;

/**
 * Base driver for metadata drivers.
 * 
 * A file driver operates in a mode where it loads the mapping files of individual
 * classes on demand. This requires the user to adhere to the convention of 1 mapping
 * file per class and the file names of the mapping files must correspond to the full
 * class name, including namespace, with the namespace delimiters '\', replaced by dots '.'.
 *
 * @license     http://www.opensource.org/licenses/lgpl-license.php LGPL
 * @link        www.doctrine-project.com
 * @since       2.0
 * @version     $Revision$
 * @author		Benjamin Eberlei <kontakt@beberlei.de>
 * @author		Guilherme Blanco <guilhermeblanco@hotmail.com>
 * @author      Jonathan H. Wage <jonwage@gmail.com>
 * @author      Roman Borschel <roman@code-factory.org>
 */
abstract class AbstractDriver
{
    /**
     * The paths where to look for mapping files.
     *
     * @var array
     */
    protected $_paths = array();

    /**
     * The file extension of mapping documents.
     *
     * @var string
     */
    protected $_fileExtension = 'php';

    /**
     * Append lookup paths to metadata driver.
     *
     * @param array $paths
     */
    public function addPaths(array $paths)
    {
        $this->_paths = array_unique(array_merge($this->_paths, $paths));
    }
    
    /**
     * Retrieve the defined metadata lookup paths.
     *
     * @return array
     */
    public function getPaths()
    {
        return $this->_paths;
    }

    /**
     * Get the file extension used to look for mapping files under
     *
     * @return void
     */
    public function getFileExtension()
    {
        return $this->_fileExtension;
    }

    /**
     * Set the file extension used to look for mapping files under
     *
     * @param string $fileExtension The file extension to set
     * @return void
     */
    public function setFileExtension($fileExtension)
    {
        $this->_fileExtension = $fileExtension;
    }
}