class.ilExtractorFactory.php

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<?php
/* Copyright (c) 1998-2016 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilExtractorFactory
{
        public static function getExtractorByEventDescriptor($component)
        {
                require_once './Services/WorkflowEngine/classes/extractors/class.ilExtractedParams.php';
                $params_object = new ilExtractedParams();

                // Code for transition phase only!
                $extractor_class_name = 'il' . str_replace('/','',$component) . 'Extractor';
                $final_path = './' . $component . '/classes/';
                $final_fullpath = $final_path . 'class.' . $extractor_class_name . '.php';

                $transition_fullpath = './Services/WorkflowEngine/classes/extractors/class.'.$extractor_class_name.'.php';

                if( file_exists( $final_fullpath ) )
                {
                        require_once $final_fullpath;
                }
                else if( file_exists( $transition_fullpath) )
                {
                        require_once $transition_fullpath;
                }

                if( class_exists($extractor_class_name, false))
                {
                        $extractor = new $extractor_class_name($params_object);
                        return $extractor;
                }
                else
                {
                        return new stdClass();
                }
        }
}