317 lines
13 KiB
Java
317 lines
13 KiB
Java
package org.schabi.newpipe.extractor.services.youtube.extractors;
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import com.grack.nanojson.JsonArray;
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import com.grack.nanojson.JsonObject;
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import org.schabi.newpipe.extractor.Page;
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import org.schabi.newpipe.extractor.StreamingService;
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import org.schabi.newpipe.extractor.downloader.Downloader;
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import org.schabi.newpipe.extractor.exceptions.ExtractionException;
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import org.schabi.newpipe.extractor.exceptions.ParsingException;
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import org.schabi.newpipe.extractor.linkhandler.ListLinkHandler;
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import org.schabi.newpipe.extractor.localization.DateWrapper;
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import org.schabi.newpipe.extractor.localization.TimeAgoParser;
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import org.schabi.newpipe.extractor.playlist.PlaylistExtractor;
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import org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper;
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import org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeStreamLinkHandlerFactory;
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import org.schabi.newpipe.extractor.stream.StreamInfoItem;
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import org.schabi.newpipe.extractor.stream.StreamInfoItemExtractor;
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import org.schabi.newpipe.extractor.stream.StreamInfoItemsCollector;
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import org.schabi.newpipe.extractor.stream.StreamType;
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import org.schabi.newpipe.extractor.utils.Utils;
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import java.io.IOException;
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import javax.annotation.Nonnull;
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import javax.annotation.Nullable;
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import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.fixThumbnailUrl;
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import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.getJsonResponse;
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import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.getTextFromObject;
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import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.getUrlFromNavigationEndpoint;
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import static org.schabi.newpipe.extractor.utils.Utils.isNullOrEmpty;
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@SuppressWarnings("WeakerAccess")
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public class YoutubePlaylistExtractor extends PlaylistExtractor {
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private JsonArray initialAjaxJson;
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private JsonObject initialData;
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private JsonObject playlistInfo;
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public YoutubePlaylistExtractor(StreamingService service, ListLinkHandler linkHandler) {
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super(service, linkHandler);
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}
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@Override
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public void onFetchPage(@Nonnull Downloader downloader) throws IOException, ExtractionException {
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final String url = getUrl() + "&pbj=1";
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initialAjaxJson = getJsonResponse(url, getExtractorLocalization());
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initialData = initialAjaxJson.getObject(1).getObject("response");
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YoutubeParsingHelper.defaultAlertsCheck(initialData);
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playlistInfo = getPlaylistInfo();
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}
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private JsonObject getUploaderInfo() throws ParsingException {
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JsonArray items = initialData.getObject("sidebar").getObject("playlistSidebarRenderer").getArray("items");
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JsonObject videoOwner = items.getObject(1).getObject("playlistSidebarSecondaryInfoRenderer").getObject("videoOwner");
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if (videoOwner.has("videoOwnerRenderer")) {
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return videoOwner.getObject("videoOwnerRenderer");
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}
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// we might want to create a loop here instead of using duplicated code
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videoOwner = items.getObject(items.size()).getObject("playlistSidebarSecondaryInfoRenderer").getObject("videoOwner");
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if (videoOwner.has("videoOwnerRenderer")) {
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return videoOwner.getObject("videoOwnerRenderer");
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}
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throw new ParsingException("Could not get uploader info");
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}
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private JsonObject getPlaylistInfo() throws ParsingException {
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try {
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return initialData.getObject("sidebar").getObject("playlistSidebarRenderer").getArray("items")
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.getObject(0).getObject("playlistSidebarPrimaryInfoRenderer");
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} catch (Exception e) {
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throw new ParsingException("Could not get PlaylistInfo", e);
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}
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}
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@Nonnull
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@Override
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public String getName() throws ParsingException {
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String name = getTextFromObject(playlistInfo.getObject("title"));
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if (name != null && !name.isEmpty()) return name;
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return initialData.getObject("microformat").getObject("microformatDataRenderer").getString("title");
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}
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@Override
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public String getThumbnailUrl() throws ParsingException {
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String url = playlistInfo.getObject("thumbnailRenderer").getObject("playlistVideoThumbnailRenderer")
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.getObject("thumbnail").getArray("thumbnails").getObject(0).getString("url");
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if (isNullOrEmpty(url)) {
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url = initialData.getObject("microformat").getObject("microformatDataRenderer").getObject("thumbnail")
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.getArray("thumbnails").getObject(0).getString("url");
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if (isNullOrEmpty(url)) throw new ParsingException("Could not get playlist thumbnail");
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}
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return fixThumbnailUrl(url);
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}
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@Override
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public String getBannerUrl() {
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// Banner can't be handled by frontend right now.
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// Whoever is willing to implement this should also implement it in the frontend.
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return "";
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}
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@Override
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public String getUploaderUrl() throws ParsingException {
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try {
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return getUrlFromNavigationEndpoint(getUploaderInfo().getObject("navigationEndpoint"));
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} catch (Exception e) {
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throw new ParsingException("Could not get playlist uploader url", e);
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}
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}
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@Override
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public String getUploaderName() throws ParsingException {
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try {
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return getTextFromObject(getUploaderInfo().getObject("title"));
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} catch (Exception e) {
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throw new ParsingException("Could not get playlist uploader name", e);
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}
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}
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@Override
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public String getUploaderAvatarUrl() throws ParsingException {
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try {
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String url = getUploaderInfo().getObject("thumbnail").getArray("thumbnails").getObject(0).getString("url");
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return fixThumbnailUrl(url);
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} catch (Exception e) {
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throw new ParsingException("Could not get playlist uploader avatar", e);
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}
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}
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@Override
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public long getStreamCount() throws ParsingException {
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try {
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String viewsText = getTextFromObject(getPlaylistInfo().getArray("stats").getObject(0));
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return Long.parseLong(Utils.removeNonDigitCharacters(viewsText));
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} catch (Exception e) {
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throw new ParsingException("Could not get video count from playlist", e);
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}
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}
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@Nonnull
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@Override
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public String getSubChannelName() {
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return "";
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}
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@Nonnull
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@Override
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public String getSubChannelUrl() {
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return "";
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}
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@Nonnull
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@Override
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public String getSubChannelAvatarUrl() {
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return "";
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}
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@Nonnull
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@Override
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public InfoItemsPage<StreamInfoItem> getInitialPage() {
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final StreamInfoItemsCollector collector = new StreamInfoItemsCollector(getServiceId());
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Page nextPage = null;
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final JsonArray contents = initialData.getObject("contents").getObject("twoColumnBrowseResultsRenderer")
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.getArray("tabs").getObject(0).getObject("tabRenderer").getObject("content")
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.getObject("sectionListRenderer").getArray("contents").getObject(0)
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.getObject("itemSectionRenderer").getArray("contents");
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if (contents.getObject(0).has("playlistSegmentRenderer")) {
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for (final Object segment : contents) {
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if (((JsonObject) segment).getObject("playlistSegmentRenderer").has("trailer")) {
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collectTrailerFrom(collector, ((JsonObject) segment));
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} else if (((JsonObject) segment).getObject("playlistSegmentRenderer").has("videoList")) {
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collectStreamsFrom(collector, ((JsonObject) segment).getObject("playlistSegmentRenderer")
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.getObject("videoList").getObject("playlistVideoListRenderer").getArray("contents"));
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}
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}
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return new InfoItemsPage<>(collector, null);
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} else if (contents.getObject(0).has("playlistVideoListRenderer")) {
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final JsonObject videos = contents.getObject(0).getObject("playlistVideoListRenderer");
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collectStreamsFrom(collector, videos.getArray("contents"));
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nextPage = getNextPageFrom(videos.getArray("continuations"));
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}
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return new InfoItemsPage<>(collector, nextPage);
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}
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@Override
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public InfoItemsPage<StreamInfoItem> getPage(final Page page) throws IOException, ExtractionException {
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if (page == null || isNullOrEmpty(page.getUrl())) {
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throw new IllegalArgumentException("Page doesn't contain an URL");
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}
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final StreamInfoItemsCollector collector = new StreamInfoItemsCollector(getServiceId());
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final JsonArray ajaxJson = getJsonResponse(page.getUrl(), getExtractorLocalization());
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final JsonObject sectionListContinuation = ajaxJson.getObject(1).getObject("response")
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.getObject("continuationContents").getObject("playlistVideoListContinuation");
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collectStreamsFrom(collector, sectionListContinuation.getArray("contents"));
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return new InfoItemsPage<>(collector, getNextPageFrom(sectionListContinuation.getArray("continuations")));
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}
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private Page getNextPageFrom(final JsonArray continuations) {
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if (isNullOrEmpty(continuations)) {
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return null;
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}
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JsonObject nextContinuationData = continuations.getObject(0).getObject("nextContinuationData");
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String continuation = nextContinuationData.getString("continuation");
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String clickTrackingParams = nextContinuationData.getString("clickTrackingParams");
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return new Page("https://www.youtube.com/browse_ajax?ctoken=" + continuation + "&continuation=" + continuation
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+ "&itct=" + clickTrackingParams);
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}
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private void collectStreamsFrom(final StreamInfoItemsCollector collector, final JsonArray videos) {
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final TimeAgoParser timeAgoParser = getTimeAgoParser();
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for (Object video : videos) {
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if (((JsonObject) video).has("playlistVideoRenderer")) {
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collector.commit(new YoutubeStreamInfoItemExtractor(((JsonObject) video).getObject("playlistVideoRenderer"), timeAgoParser) {
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@Override
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public long getViewCount() {
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return -1;
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}
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});
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}
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}
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}
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private void collectTrailerFrom(final StreamInfoItemsCollector collector,
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final JsonObject segment) {
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collector.commit(new StreamInfoItemExtractor() {
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@Override
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public String getName() throws ParsingException {
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return getTextFromObject(segment.getObject("playlistSegmentRenderer")
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.getObject("title"));
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}
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@Override
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public String getUrl() throws ParsingException {
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return YoutubeStreamLinkHandlerFactory.getInstance()
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.fromId(segment.getObject("playlistSegmentRenderer").getObject("trailer")
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.getObject("playlistVideoPlayerRenderer").getString("videoId"))
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.getUrl();
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}
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@Override
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public String getThumbnailUrl() {
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final JsonArray thumbnails = initialAjaxJson.getObject(1).getObject("playerResponse")
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.getObject("videoDetails").getObject("thumbnail").getArray("thumbnails");
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// the last thumbnail is the one with the highest resolution
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final String url = thumbnails.getObject(thumbnails.size() - 1).getString("url");
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return fixThumbnailUrl(url);
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}
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@Override
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public StreamType getStreamType() {
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return StreamType.VIDEO_STREAM;
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}
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@Override
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public boolean isAd() {
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return false;
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}
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@Override
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public long getDuration() throws ParsingException {
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return YoutubeParsingHelper.parseDurationString(
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getTextFromObject(segment.getObject("playlistSegmentRenderer")
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.getObject("segmentAnnotation")).split("•")[0]);
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}
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@Override
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public long getViewCount() {
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return -1;
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}
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@Override
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public String getUploaderName() throws ParsingException {
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return YoutubePlaylistExtractor.this.getUploaderName();
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}
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@Override
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public String getUploaderUrl() throws ParsingException {
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return YoutubePlaylistExtractor.this.getUploaderUrl();
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}
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@Nullable
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@Override
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public String getTextualUploadDate() {
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return null;
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}
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@Nullable
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@Override
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public DateWrapper getUploadDate() {
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return null;
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}
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});
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}
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}
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