<?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 official WURFL PHP API

 * See installation instruction here : http://wurfl.sourceforge.net/nphp/ 

 * Download : http://sourceforge.net/projects/wurfl/files/WURFL PHP/1.1/wurfl-php-1.1.tar.gz/download

 *

 * @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_WurflApi

    implements Zend_Http_UserAgent_Features_Adapter 

{

    const DEFAULT_API_VERSION = '1.1';

    /**

     * Get features from request

     *

     * @param  array $request $_SERVER variable

     * @return array

     */

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

    {

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

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

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

        }

        $config = $config['wurflapi'];

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

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

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

        }

        if (empty($config['wurfl_config_file']) && empty($config['wurfl_config_array'])) {

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

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

        }

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

            $config['wurfl_api_version'] = self::DEFAULT_API_VERSION;

        }

        switch ($config['wurfl_api_version']) {

            case '1.0':

                // Zend_Http_UserAgent::$config['wurfl_config_file'] must be an XML file

                require_once ($config['wurfl_lib_dir'] . 'WURFLManagerProvider.php');

                $wurflManager = WURFL_WURFLManagerProvider::getWURFLManager(Zend_Http_UserAgent::$config['wurfl_config_file']);

                break;

            case '1.1':

                require_once ($config['wurfl_lib_dir'] . 'Application.php');

                if (!empty($config['wurfl_config_file'])) {

                    $wurflConfig = WURFL_Configuration_ConfigFactory::create($config['wurfl_config_file']);

                } elseif (!empty($config['wurfl_config_array'])) {

                    $c            = $config['wurfl_config_array'];

                    $wurflConfig  = new WURFL_Configuration_InMemoryConfig();

                    $wurflConfig->wurflFile($c['wurfl']['main-file'])

                                ->wurflPatch($c['wurfl']['patches'])

                                ->persistence($c['persistence']['provider'], $c['persistence']['dir']);

                }

                $wurflManagerFactory = new WURFL_WURFLManagerFactory($wurflConfig);

                $wurflManager = $wurflManagerFactory->create();

                break;

            default:

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

                throw new Zend_Http_UserAgent_Features_Exception(sprintf(

                    'Unknown API version "%s"', 

                    $config['wurfl_api_version']

                ));

        }

        $device   = $wurflManager->getDeviceForHttpRequest(array_change_key_case($request, CASE_UPPER));

        $features = $device->getAllCapabilities();

        return $features;

    }

}