/**
  * Execute api command
  * 
  * @param string $command Name of command to execute
  * @param array  $arguments List of arguments for the command
  */
 public function executeCommand($command, $arguments)
 {
     $subcommand = null;
     if (!empty($arguments[0])) {
         $subcommand = $arguments[0];
     }
     // define frontend language
     if (!defined('FRONTEND_LANG_ID')) {
         define('FRONTEND_LANG_ID', 1);
     }
     switch ($command) {
         case 'News':
             switch ($subcommand) {
                 case 'Cron':
                     $objNews = new NewsManager();
                     $objNews->createRSS();
                     break;
             }
             break;
         default:
             break;
     }
 }