ServletCookieMap.java 文件源码

@Override
public boolean containsKey(final Object key)
{
  final Cookie[] cookies = _httpServletRequest.getCookies();
  if (cookies == null)
  {
    return false;
  }
  for (Cookie element : cookies)
  {
    if (element.getName().equals(key))
    {
      return true;
    }
  }

  return false;
}