/**
* Given a particular String key, return the associated Object value from the ad's extras map. See
* {@link BaseForwardingNativeAd#getExtras()} for more information.
*/
@Nullable
@Override
public final Object getExtra(@NonNull final String key) {
if (!NoThrow.checkNotNull(key, "getExtra key is not allowed to be null")) {
return null;
}
return mExtras.get(key);
}
final void addImpressionTracker(@NonNull final String url) {
if (!NoThrow.checkNotNull(url, "impressionTracker url is not allowed to be null")) {
return;
}
mImpressionTrackers.add(url);
}
final void addExtra(@NonNull final String key, @Nullable final Object value) {
if (!NoThrow.checkNotNull(key, "addExtra key is not allowed to be null")) {
return;
}
mExtras.put(key, value);
}