Utility.java 文件源码

public static void getGraphMeRequestWithCacheAsync(
        final String accessToken,
        final GraphMeRequestWithCacheCallback callback) {
    JSONObject cachedValue = ProfileInformationCache.getProfileInformation(accessToken);
    if (cachedValue != null) {
        callback.onSuccess(cachedValue);
        return;
    }

    GraphRequest.Callback graphCallback = new GraphRequest.Callback() {
        @Override
        public void onCompleted(GraphResponse response) {
            if (response.getError() != null) {
                callback.onFailure(response.getError().getException());
            } else {
                ProfileInformationCache.putProfileInformation(
                        accessToken,
                        response.getJSONObject());
                callback.onSuccess(response.getJSONObject());
            }
        }
    };
    GraphRequest graphRequest = getGraphMeRequestWithCache(accessToken);
    graphRequest.setCallback(graphCallback);
    graphRequest.executeAsync();
}