VastXmlManagerAggregator.java 文件源码

@Nullable
private String followVastRedirect(@NonNull final AndroidHttpClient httpClient,
        @NonNull final String redirectUrl) throws Exception {
    Preconditions.checkNotNull(httpClient);
    Preconditions.checkNotNull(redirectUrl);

    if (mTimesFollowedVastRedirect < MAX_TIMES_TO_FOLLOW_VAST_REDIRECT) {
        mTimesFollowedVastRedirect++;

        final HttpGet httpget = HttpClient.initializeHttpGet(redirectUrl);
        final HttpResponse response = httpClient.execute(httpget);
        final HttpEntity entity = response.getEntity();
        return (entity != null) ? Strings.fromStream(entity.getContent()) : null;
    }
    return null;
}