DeviceAtlas.php

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<?php
#require_once 'Zend/Http/UserAgent/Features/Adapter.php';

class Zend_Http_UserAgent_Features_Adapter_DeviceAtlas implements Zend_Http_UserAgent_Features_Adapter
{
    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;
    }
}