<?php

/**

 * Zend Framework

 *

 * LICENSE

 *

 * This source file is subject to the new BSD license that is bundled

 * with this package in the file LICENSE.txt.

 * It is also available through the world-wide-web at this URL:

 * http://framework.zend.com/license/new-bsd

 * If you did not receive a copy of the license and are unable to

 * obtain it through the world-wide-web, please send an email

 * to license@zend.com so we can send you a copy immediately.

 *

 * @category   Zend

 * @package    Zend_Http

 * @subpackage UserAgent

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

/**

 * Zend_Http_UserAgent_Features_Adapter_Interface

 */

require_once 'Zend/Http/UserAgent/Features/Adapter.php';

/**

 * Features adapter build with the Tera Wurfl Api

 * See installation instruction here : http://deviceatlas.com/licences 

 * Download : http://deviceatlas.com/getAPI/php

 *

 * @package    Zend_Http

 * @subpackage UserAgent

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

class Zend_Http_UserAgent_Features_Adapter_DeviceAtlas implements Zend_Http_UserAgent_Features_Adapter

{

    /**

     * Get features from request

     *

     * @param  array $request $_SERVER variable

     * @return array

     */

    public static function getFromRequest($request, array $config)

    {

        if (!class_exists('Mobi_Mtld_DA_Api')) {

            if (!isset($config['deviceatlas'])) {

                require_once 'Zend/Http/UserAgent/Features/Exception.php';

                throw new Zend_Http_UserAgent_Features_Exception('"DeviceAtlas" configuration is not defined');

            }

        }

        $config = $config['deviceatlas'];

        if (!class_exists('Mobi_Mtld_DA_Api')) {

            if (empty($config['deviceatlas_lib_dir'])) {

                require_once 'Zend/Http/UserAgent/Features/Exception.php';

                throw new Zend_Http_UserAgent_Features_Exception('The "deviceatlas_lib_dir" parameter is not defined');

            }

            // Include the Device Atlas file from the specified lib_dir

            require_once ($config['deviceatlas_lib_dir'] . '/Mobi/Mtld/DA/Api.php');

        }

        if (empty($config['deviceatlas_data'])) {

            require_once 'Zend/Http/UserAgent/Features/Exception.php';

            throw new Zend_Http_UserAgent_Features_Exception('The "deviceatlas_data" parameter is not defined');

        }

        //load the device data-tree : e.g. 'json/DeviceAtlas.json

        $tree = Mobi_Mtld_DA_Api::getTreeFromFile($config['deviceatlas_data']);

        $properties = Mobi_Mtld_DA_Api::getProperties($tree, $request['http_user_agent']);

        return $properties;

    }

}