[TYPO3] Extbase eid bootstrap

<?php
/***************************************************************
 *  Copyright notice
 *
 *  (c) 2011 Nicole Cordes <cordes@cps-it.de>, CPS-IT GmbH
 *  All rights reserved
 *
 *  This script is part of the TYPO3 project. The TYPO3 project is
 *  free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  The GNU General Public License can be found at
 *  http://www.gnu.org/copyleft/gpl.html.
 *
 *  This script is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  This copyright notice MUST APPEAR in all copies of the script!
 ***************************************************************/

if (t3lib_div::_GP('field') != '') {

        // Initialise DB connection
    tslib_eidtools::connectDB();

        // Get current page id and language
    $pageId = (int)t3lib_div::_GP('pageid');
    $language = (int)t3lib_div::_GP('L');

        // Get arguments for request
    $arguments = t3lib_div::_GPmerged('tx_cpsfmp_companymainplugin');

        // Initialise TSFE object
    $TSFE = t3lib_div::makeInstance('tslib_fe', $GLOBALS['TYPO3_CONF_VARS'], $pageId, 0, TRUE);
    $TSFE->initFEuser();
    $TSFE->initUserGroups();
    $TSFE->sys_page = t3lib_div::makeInstance('t3lib_pageSelect');
    $TSFE->rootLine = $TSFE->sys_page->getRootLine($pageId, '');
    $TSFE->initTemplate();
    $TSFE->getConfigArray();
    $TSFE->includeTCA();
    $TSFE->sys_language_uid = $TSFE->sys_language_content = $language;
    $TSFE->newcObj();

        // Set configuration for bootstrap
    $configuration = array(
        'extensionName' => 'CpsFmp',
        'pluginName' => 'CompanyMainPlugin',
        'controllerName' => 'Company',
    );
    $bootstrap = t3lib_div::makeInstance('Tx_Extbase_Core_Bootstrap');
    $bootstrap->cObj = $TSFE->cObj;
    $bootstrap->initialize($configuration);

    $objectManager = t3lib_div::makeInstance('Tx_Extbase_Object_ObjectManager');

        // Build request
    $request = $objectManager->create('Tx_Extbase_MVC_Web_Request');
    $request->setControllerExtensionName($configuration['extensionName']);
    $request->setPluginName($configuration['pluginName']);
    $request->setControllerName($configuration['controllerName']);
    $request->setControllerActionName('ajax');
    $request->setArguments($arguments);

        // Get response
    $response = $objectManager->create('Tx_Extbase_MVC_Web_Response');

        // Start dispatcher
    $dispatcher = $objectManager->get('Tx_Extbase_MVC_Dispatcher');
    $dispatcher->dispatch($request, $response);

    $response->sendHeaders();
    echo $response->getContent();

    $objectManager->get('Tx_Extbase_Reflection_Service')->shutdown();
}
?>