java maill邮箱登录问题

public OAuthToken queryOAthToken(String token) {
Preconditions.checkNotNull(token);
OAuthToken oAthToken = null;

    ImmutableMap<String, String> keys = ImmutableMap.of(OAuthFieldConsts.ACCESS_TOKEN, token);
    String tokenUrl = CommonConfigs.OATH_CONFIG_MAP.get(OAuthConsts.QQ_TOKEN_INFO_URL);
    String data = HttpClientUtil.get(tokenUrl, keys, null);

    if (!Strings.isNullOrEmpty(data) && data.startsWith(OAuthFieldConsts.CALLBACK)) {
        data = data.substring(data.indexOf(OAuthConsts.LEFT_BRACKET) + 1, data.lastIndexOf(OAuthConsts.RIGHT_BRACKET));
        JSONObject jsonObject = JSONObject.parseObject(data);
        String error = jsonObject.getString(OAuthFieldConsts.ERROR);
        if (!Strings.isNullOrEmpty(error)) {
            String errorDesc = jsonObject.getString(OAuthFieldConsts.ERROR_DESCRIPTION);
            LOGGER.error(OAuthConsts.URL_IS_ERROR_CODE_DESC, tokenUrl, error, errorDesc);
            return null;
        }
        String uid = jsonObject.getString(OAuthFieldConsts.OPENID);
        String appId = jsonObject.getString(OAuthFieldConsts.CLIENT_ID);
        long createTime = System.currentTimeMillis();
        long expireTime = createTime + OAuthConsts.TOKEN_EXPIRE_THREE_MONTH;

        oAthToken = new OAuthToken(token, uid, appId, createTime, expireTime);
    }
    return oAthToken;
}