Video Downloader for FB v3.5.1版本的 MD5 值为：1db7d4aa9fc4356831f5521f52585a52

以下内容为反编译后的 ul.java 源代码，内容仅作参考

package com.yandex.mobile.ads.impl;

import android.net.Uri;
import android.text.TextUtils;
import com.ironsource.sdk.constants.Events;
import com.yandex.mobile.ads.MobileAds;
import com.yandex.mobile.ads.impl.th;
import com.yandex.mobile.ads.video.RequestListener;
import com.yandex.mobile.ads.video.VideoAdError;
import com.yandex.mobile.ads.video.VideoAdRequest;
import com.yandex.mobile.ads.video.models.blocksinfo.BlocksInfo;
import com.yandex.mobile.ads.video.tracking.Tracker;
import java.util.Random;

public final class ul {

    private static Random f4593a;

    public static class c {
        private static void a(Uri.Builder builder, String str, String str2) {
            if (TextUtils.isEmpty(str2)) {
                return;
            }
            builder.appendQueryParameter(str, str2);
        }

        public static uv a(uh uhVar, fu fuVar) {
            VideoAdRequest a2 = uhVar.a();
            BlocksInfo blocksInfo = a2.getBlocksInfo();
            Uri.Builder buildUpon = Uri.parse(ul.a(fuVar)).buildUpon();
            buildUpon.appendPath("v1").appendPath("getvideo").appendQueryParameter("page_id", blocksInfo.getPartnerId()).appendQueryParameter("imp-id", a2.getBlockId()).appendQueryParameter("target-ref", a2.getTargetRef()).appendQueryParameter("page-ref", a2.getPageRef()).appendQueryParameter("rnd", Integer.toString(ul.a().nextInt(89999999) + 10000000)).appendQueryParameter("video-session-id", a2.getBlocksInfo().getSessionId()).appendQueryParameter(Events.CHARSET, a2.getCharset().getValue());
            a(buildUpon, "video-api-version", String.format("android-v%s", MobileAds.getLibraryVersion()));
            a(buildUpon, "video-width", a2.getPlayerWidthPix());
            a(buildUpon, "video-height", a2.getPlayerHeightPix());
            a(buildUpon, "video-content-id", a2.getVideoContentId());
            a(buildUpon, "video-content-name", a2.getVideoContentName());
            a(buildUpon, "video-publisher-id", a2.getPublisherId());
            a(buildUpon, "video-publisher-name", a2.getPublisherName());
            a(buildUpon, "video-maxbitrate", a2.getMaxBitrate());
            a(buildUpon, "video-genre-id", a2.getGenreId());
            a(buildUpon, "video-genre-name", a2.getGenreName());
            a(buildUpon, "tags-list", a2.getTagsList());
            a(buildUpon, "ext-param", a2.getExtParams());
            buildUpon.appendQueryParameter("uuid", fuVar.d());
            return new uv(a2, buildUpon.build().toString(), new b(uhVar), new vv());
        }
    }

    public static class b<T> implements th.a<T> {

        private final RequestListener<T> f4595a;

        public b(RequestListener<T> requestListener) {
            this.f4595a = requestListener;
        }

        @Override
        public final void a(T t) {
            RequestListener<T> requestListener = this.f4595a;
            if (requestListener != null) {
                requestListener.onSuccess(t);
            }
        }

        @Override
        public final void a(sr srVar) {
            VideoAdError createInternalError;
            if (this.f4595a != null) {
                if (srVar instanceof uc) {
                    createInternalError = VideoAdError.createNoAdError((uc) srVar);
                } else if (srVar instanceof ud) {
                    createInternalError = VideoAdError.createInternalError((ud) srVar);
                } else {
                    sd sdVar = srVar.f4537a;
                    if (sdVar == null) {
                        createInternalError = VideoAdError.createConnectionError(srVar.getMessage());
                    } else if (sdVar.f4531a >= 500) {
                        createInternalError = VideoAdError.createRetriableError("Server temporarily unavailable. Please, try again later.");
                    } else {
                        String str = "Network Error. ";
                        if (sdVar != null) {
                            str = ("Network Error.  Code: " + sdVar.f4531a + ".") + " Data: \n" + new String(sdVar.b);
                        }
                        createInternalError = VideoAdError.createInternalError(str);
                    }
                }
                this.f4595a.onFailure(createInternalError);
            }
        }
    }

    public static class a implements th.a<Void> {

        private final Tracker.ErrorListener f4594a;

        @Override
        public final void a(Object obj) {
        }

        public a(Tracker.ErrorListener errorListener) {
            this.f4594a = errorListener;
        }

        @Override
        public final void a(sr srVar) {
            VideoAdError createInternalError;
            Tracker.ErrorListener errorListener = this.f4594a;
            if (errorListener != null) {
                if (srVar == null) {
                    errorListener.onTrackingError(VideoAdError.createInternalError("Tracking error"));
                    return;
                }
                if (srVar.f4537a == null) {
                    createInternalError = VideoAdError.createConnectionError(srVar.getMessage());
                } else {
                    createInternalError = VideoAdError.createInternalError("Tracking error");
                }
                this.f4594a.onTrackingError(createInternalError);
            }
        }
    }

    static Random a() {
        Random random = f4593a;
        return random == null ? new Random() : random;
    }

    public static String a(fu fuVar) {
        String f = fuVar.f();
        return TextUtils.isEmpty(f) ? "https://mobile.yandexadexchange.net" : f;
    }
}