/**
  * {@inheritDoc}
  */
 protected function _template(\Exception $exception, $method, $code)
 {
     if ($code === 503) {
         return 'maintenance';
     }
     return parent::_template($exception, $method, $code);
 }
 /**
  * Make CrudView exception rendering templates work
  * 
  * @param \CrudViews\Error\Exception $exception
  * @param type $method
  * @param type $code
  * @return string
  */
 protected function _template(Exception $exception, $method, $code)
 {
     parent::_template($exception, $method, $code);
     if (in_array($this->template, $this->_exceptions)) {
         $this->template = 'CrudViews.' . $this->template;
     }
     return $this->template;
 }