DefaultLogger::setErrorStream PHP Méthode

    public function setErrorStream(OutputStream $err)
    {
        $this->err = $err;
    }

 /**
  * Creates the default build logger for sending build events to the log.
  * @return BuildLogger The created Logger
  */
 private function createLogger()
 {
     if ($this->loggerClassname !== null) {
         self::import($this->loggerClassname);
         // get class name part
         $classname = self::import($this->loggerClassname);
         $logger = new $classname();
     } else {
         require_once 'phing/listener/DefaultLogger.php';
         $logger = new DefaultLogger();
     }
     $logger->setMessageOutputLevel(self::$msgOutputLevel);
     $logger->setOutputStream(self::$out);
     $logger->setErrorStream(self::$err);
     return $logger;
 }