ShareContentValidation.java 文件源码

private static void validatePhotoContent(
        SharePhotoContent photoContent, Validator validator) {
    List<SharePhoto> photos = photoContent.getPhotos();
    if (photos == null || photos.isEmpty()) {
        throw new FacebookException("Must specify at least one Photo in SharePhotoContent.");
    }
    if (photos.size() > ShareConstants.MAXIMUM_PHOTO_COUNT) {
        throw new FacebookException(
                String.format(
                        Locale.ROOT,
                        "Cannot add more than %d photos.",
                        ShareConstants.MAXIMUM_PHOTO_COUNT));
    }

    for (SharePhoto photo : photos) {
        validator.validate(photo);
    }
}