RequestFacade.java 文件源码

@Override
public Cookie[] getCookies() {

    if (request == null) {
        throw new IllegalStateException(
                        sm.getString("requestFacade.nullRequest"));
    }

    Cookie[] ret = null;

    /*
     * Clone the returned array only if there is a security manager
     * in place, so that performance won't suffer in the non-secure case
     */
    if (SecurityUtil.isPackageProtectionEnabled()){
        ret = AccessController.doPrivileged(
            new GetCookiesPrivilegedAction());
        if (ret != null) {
            ret = ret.clone();
        }
    } else {
        ret = request.getCookies();
    }

    return ret;
}