From 1e2e0029fc701326802612a328adb8433e725e47 Mon Sep 17 00:00:00 2001 From: litetex <40789489+litetex@users.noreply.github.com> Date: Mon, 27 Dec 2021 16:49:12 +0100 Subject: [PATCH] [StreamExtractor] Deduplicated a ton of code by using default methods --- .../BandcampRadioStreamExtractor.java | 9 +- .../extractors/BandcampStreamExtractor.java | 118 -------------- .../MediaCCCLiveStreamExtractor.java | 143 ---------------- .../extractors/MediaCCCStreamExtractor.java | 120 -------------- .../extractors/PeertubeStreamExtractor.java | 28 ---- .../extractors/SoundcloudStreamExtractor.java | 86 ---------- .../extractors/YoutubeStreamExtractor.java | 30 ---- .../extractor/stream/StreamExtractor.java | 154 ++++++++++++------ 8 files changed, 109 insertions(+), 579 deletions(-) diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/bandcamp/extractors/BandcampRadioStreamExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/bandcamp/extractors/BandcampRadioStreamExtractor.java index ba24c4a7..edd7c33f 100644 --- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/bandcamp/extractors/BandcampRadioStreamExtractor.java +++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/bandcamp/extractors/BandcampRadioStreamExtractor.java @@ -149,27 +149,24 @@ public class BandcampRadioStreamExtractor extends BandcampStreamExtractor { @Nonnull @Override public String getLicence() { + // Contrary to other Bandcamp streams, radio streams don't have a license return ""; } @Nonnull @Override public String getCategory() { + // Contrary to other Bandcamp streams, radio streams don't have categories return ""; } @Nonnull @Override public List getTags() { + // Contrary to other Bandcamp streams, radio streams don't have tags return Collections.emptyList(); } - @Nonnull - @Override - public Privacy getPrivacy() { - return Privacy.PUBLIC; - } - @Override public PlaylistInfoItemsCollector getRelatedItems() { // Contrary to other Bandcamp streams, radio streams don't have related items diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/bandcamp/extractors/BandcampStreamExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/bandcamp/extractors/BandcampStreamExtractor.java index e2be2251..530c182b 100644 --- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/bandcamp/extractors/BandcampStreamExtractor.java +++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/bandcamp/extractors/BandcampStreamExtractor.java @@ -98,11 +98,6 @@ public class BandcampStreamExtractor extends StreamExtractor { return albumJson.getString("artist"); } - @Override - public boolean isUploaderVerified() throws ParsingException { - return false; - } - @Nullable @Override public String getTextualUploadDate() { @@ -132,24 +127,6 @@ public class BandcampStreamExtractor extends StreamExtractor { } } - @Nonnull - @Override - public String getSubChannelUrl() { - return ""; - } - - @Nonnull - @Override - public String getSubChannelName() { - return ""; - } - - @Nonnull - @Override - public String getSubChannelAvatarUrl() { - return ""; - } - @Nonnull @Override public Description getDescription() { @@ -164,48 +141,6 @@ public class BandcampStreamExtractor extends StreamExtractor { return new Description(s, Description.PLAIN_TEXT); } - @Override - public int getAgeLimit() { - return NO_AGE_LIMIT; - } - - @Override - public long getLength() { - return 0; - } - - @Override - public long getTimeStamp() { - return 0; - } - - @Override - public long getViewCount() { - return -1; - } - - @Override - public long getLikeCount() { - return -1; - } - - @Override - public long getDislikeCount() { - return -1; - } - - @Nonnull - @Override - public String getDashMpdUrl() { - return ""; - } - - @Nonnull - @Override - public String getHlsUrl() { - return ""; - } - @Override public List getAudioStreams() { final List audioStreams = new ArrayList<>(); @@ -228,18 +163,6 @@ public class BandcampStreamExtractor extends StreamExtractor { return Collections.emptyList(); } - @Nonnull - @Override - public List getSubtitlesDefault() { - return Collections.emptyList(); - } - - @Nonnull - @Override - public List getSubtitles(MediaFormat format) { - return Collections.emptyList(); - } - @Override public StreamType getStreamType() { return StreamType.AUDIO_STREAM; @@ -259,23 +182,6 @@ public class BandcampStreamExtractor extends StreamExtractor { return collector; } - @Override - public String getErrorMessage() { - return null; - } - - @Nonnull - @Override - public String getHost() { - return ""; - } - - @Nonnull - @Override - public Privacy getPrivacy() { - return Privacy.PUBLIC; - } - @Nonnull @Override public String getCategory() { @@ -315,12 +221,6 @@ public class BandcampStreamExtractor extends StreamExtractor { } } - @Nullable - @Override - public Locale getLanguageInfo() { - return null; - } - @Nonnull @Override public List getTags() { @@ -334,22 +234,4 @@ public class BandcampStreamExtractor extends StreamExtractor { return tags; } - - @Nonnull - @Override - public String getSupportInfo() { - return ""; - } - - @Nonnull - @Override - public List getStreamSegments() throws ParsingException { - return Collections.emptyList(); - } - - @Nonnull - @Override - public List getMetaInfo() throws ParsingException { - return Collections.emptyList(); - } } diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/media_ccc/extractors/MediaCCCLiveStreamExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/media_ccc/extractors/MediaCCCLiveStreamExtractor.java index ef555e94..bd02d648 100644 --- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/media_ccc/extractors/MediaCCCLiveStreamExtractor.java +++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/media_ccc/extractors/MediaCCCLiveStreamExtractor.java @@ -60,18 +60,6 @@ public class MediaCCCLiveStreamExtractor extends StreamExtractor { return room.getString("display"); } - @Nullable - @Override - public String getTextualUploadDate() throws ParsingException { - return null; - } - - @Nullable - @Override - public DateWrapper getUploadDate() throws ParsingException { - return null; - } - @Nonnull @Override public String getThumbnailUrl() throws ParsingException { @@ -84,36 +72,11 @@ public class MediaCCCLiveStreamExtractor extends StreamExtractor { return new Description(conference.getString("description") + " - " + group, Description.PLAIN_TEXT); } - @Override - public int getAgeLimit() { - return 0; - } - - @Override - public long getLength() { - return 0; - } - - @Override - public long getTimeStamp() throws ParsingException { - return 0; - } - @Override public long getViewCount() { return -1; } - @Override - public long getLikeCount() { - return -1; - } - - @Override - public long getDislikeCount() { - return -1; - } - @Nonnull @Override public String getUploaderUrl() throws ParsingException { @@ -126,41 +89,6 @@ public class MediaCCCLiveStreamExtractor extends StreamExtractor { return conference.getString("conference"); } - @Override - public boolean isUploaderVerified() throws ParsingException { - return false; - } - - @Nonnull - @Override - public String getUploaderAvatarUrl() { - return ""; - } - - @Nonnull - @Override - public String getSubChannelUrl() { - return ""; - } - - @Nonnull - @Override - public String getSubChannelName() { - return ""; - } - - @Nonnull - @Override - public String getSubChannelAvatarUrl() { - return ""; - } - - @Nonnull - @Override - public String getDashMpdUrl() throws ParsingException { - return ""; - } - @Nonnull @Override public String getHlsUrl() { @@ -221,85 +149,14 @@ public class MediaCCCLiveStreamExtractor extends StreamExtractor { return null; } - @Nonnull - @Override - public List getSubtitlesDefault() { - return Collections.emptyList(); - } - - @Nonnull - @Override - public List getSubtitles(MediaFormat format) { - return Collections.emptyList(); - } - @Override public StreamType getStreamType() throws ParsingException { return StreamType.LIVE_STREAM; // TODO: video and audio only streams are both available } - @Nullable - @Override - public StreamInfoItemsCollector getRelatedItems() { - return null; - } - - @Override - public String getErrorMessage() { - return null; - } - - @Nonnull - @Override - public String getHost() { - return ""; - } - - @Nonnull - @Override - public Privacy getPrivacy() { - return Privacy.PUBLIC; - } - @Nonnull @Override public String getCategory() { return group; } - - @Nonnull - @Override - public String getLicence() { - return ""; - } - - @Nullable - @Override - public Locale getLanguageInfo() { - return null; - } - - @Nonnull - @Override - public List getTags() { - return Collections.emptyList(); - } - - @Nonnull - @Override - public String getSupportInfo() { - return ""; - } - - @Nonnull - @Override - public List getStreamSegments() { - return Collections.emptyList(); - } - - @Nonnull - @Override - public List getMetaInfo() { - return Collections.emptyList(); - } } diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/media_ccc/extractors/MediaCCCStreamExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/media_ccc/extractors/MediaCCCStreamExtractor.java index 3251ca43..a1b09f88 100644 --- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/media_ccc/extractors/MediaCCCStreamExtractor.java +++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/media_ccc/extractors/MediaCCCStreamExtractor.java @@ -58,36 +58,16 @@ public class MediaCCCStreamExtractor extends StreamExtractor { return new Description(data.getString("description"), Description.PLAIN_TEXT); } - @Override - public int getAgeLimit() { - return 0; - } - @Override public long getLength() { return data.getInt("length"); } - @Override - public long getTimeStamp() { - return 0; - } - @Override public long getViewCount() { return data.getInt("view_count"); } - @Override - public long getLikeCount() { - return -1; - } - - @Override - public long getDislikeCount() { - return -1; - } - @Nonnull @Override public String getUploaderUrl() { @@ -101,47 +81,12 @@ public class MediaCCCStreamExtractor extends StreamExtractor { .replaceFirst("https://(api\\.)?media\\.ccc\\.de/public/conferences/", ""); } - @Override - public boolean isUploaderVerified() throws ParsingException { - return false; - } - @Nonnull @Override public String getUploaderAvatarUrl() { return conferenceData.getString("logo_url"); } - @Nonnull - @Override - public String getSubChannelUrl() { - return ""; - } - - @Nonnull - @Override - public String getSubChannelName() { - return ""; - } - - @Nonnull - @Override - public String getSubChannelAvatarUrl() { - return ""; - } - - @Nonnull - @Override - public String getDashMpdUrl() { - return ""; - } - - @Nonnull - @Override - public String getHlsUrl() { - return ""; - } - @Override public List getAudioStreams() throws ExtractionException { final JsonArray recordings = data.getArray("recordings"); @@ -200,34 +145,11 @@ public class MediaCCCStreamExtractor extends StreamExtractor { return Collections.emptyList(); } - @Nonnull - @Override - public List getSubtitlesDefault() { - return Collections.emptyList(); - } - - @Nonnull - @Override - public List getSubtitles(final MediaFormat format) { - return Collections.emptyList(); - } - @Override public StreamType getStreamType() { return StreamType.VIDEO_STREAM; } - @Nullable - @Override - public StreamInfoItemsCollector getRelatedItems() { - return null; - } - - @Override - public String getErrorMessage() { - return null; - } - @Override public void onFetchPage(@Nonnull final Downloader downloader) throws IOException, ExtractionException { @@ -253,30 +175,6 @@ public class MediaCCCStreamExtractor extends StreamExtractor { return data.getString("frontend_link"); } - @Nonnull - @Override - public String getHost() { - return ""; - } - - @Nonnull - @Override - public Privacy getPrivacy() { - return Privacy.PUBLIC; - } - - @Nonnull - @Override - public String getCategory() { - return ""; - } - - @Nonnull - @Override - public String getLicence() { - return ""; - } - @Override public Locale getLanguageInfo() throws ParsingException { return Localization.getLocaleFromThreeLetterCode(data.getString("original_language")); @@ -287,22 +185,4 @@ public class MediaCCCStreamExtractor extends StreamExtractor { public List getTags() { return JsonUtils.getStringListFromJsonArray(data.getArray("tags")); } - - @Nonnull - @Override - public String getSupportInfo() { - return ""; - } - - @Nonnull - @Override - public List getStreamSegments() { - return Collections.emptyList(); - } - - @Nonnull - @Override - public List getMetaInfo() { - return Collections.emptyList(); - } } diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/peertube/extractors/PeertubeStreamExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/peertube/extractors/PeertubeStreamExtractor.java index 16f46bc0..4902bff3 100644 --- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/peertube/extractors/PeertubeStreamExtractor.java +++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/peertube/extractors/PeertubeStreamExtractor.java @@ -149,11 +149,6 @@ public class PeertubeStreamExtractor extends StreamExtractor { return JsonUtils.getString(json, "account.displayName"); } - @Override - public boolean isUploaderVerified() throws ParsingException { - return false; - } - @Nonnull @Override public String getUploaderAvatarUrl() { @@ -190,12 +185,6 @@ public class PeertubeStreamExtractor extends StreamExtractor { return baseUrl + value; } - @Nonnull - @Override - public String getDashMpdUrl() { - return ""; - } - @Nonnull @Override public String getHlsUrl() { @@ -329,18 +318,6 @@ public class PeertubeStreamExtractor extends StreamExtractor { } } - @Nonnull - @Override - public List getStreamSegments() { - return Collections.emptyList(); - } - - @Nonnull - @Override - public List getMetaInfo() { - return Collections.emptyList(); - } - private String getRelatedItemsUrl(final List tags) throws UnsupportedEncodingException { final String url = baseUrl + PeertubeSearchQueryHandlerFactory.SEARCH_ENDPOINT; final StringBuilder params = new StringBuilder(); @@ -386,11 +363,6 @@ public class PeertubeStreamExtractor extends StreamExtractor { } } - @Override - public String getErrorMessage() { - return null; - } - @Override public void onFetchPage(final Downloader downloader) throws IOException, ExtractionException { final Response response = downloader.get(baseUrl + PeertubeStreamLinkHandlerFactory.VIDEO_API_ENDPOINT + getId()); diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/soundcloud/extractors/SoundcloudStreamExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/soundcloud/extractors/SoundcloudStreamExtractor.java index 82bf6706..3343d2b2 100644 --- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/soundcloud/extractors/SoundcloudStreamExtractor.java +++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/soundcloud/extractors/SoundcloudStreamExtractor.java @@ -102,11 +102,6 @@ public class SoundcloudStreamExtractor extends StreamExtractor { return new Description(track.getString("description"), Description.PLAIN_TEXT); } - @Override - public int getAgeLimit() { - return NO_AGE_LIMIT; - } - @Override public long getLength() { return track.getLong("duration") / 1000L; @@ -127,11 +122,6 @@ public class SoundcloudStreamExtractor extends StreamExtractor { return track.getLong("favoritings_count", -1); } - @Override - public long getDislikeCount() { - return -1; - } - @Nonnull @Override public String getUploaderUrl() { @@ -155,36 +145,6 @@ public class SoundcloudStreamExtractor extends StreamExtractor { return SoundcloudParsingHelper.getAvatarUrl(track); } - @Nonnull - @Override - public String getSubChannelUrl() { - return ""; - } - - @Nonnull - @Override - public String getSubChannelName() { - return ""; - } - - @Nonnull - @Override - public String getSubChannelAvatarUrl() { - return ""; - } - - @Nonnull - @Override - public String getDashMpdUrl() { - return ""; - } - - @Nonnull - @Override - public String getHlsUrl() { - return ""; - } - @Override public List getAudioStreams() throws ExtractionException { final List audioStreams = new ArrayList<>(); @@ -343,18 +303,6 @@ public class SoundcloudStreamExtractor extends StreamExtractor { return Collections.emptyList(); } - @Override - @Nonnull - public List getSubtitlesDefault() { - return Collections.emptyList(); - } - - @Override - @Nonnull - public List getSubtitles(MediaFormat format) { - return Collections.emptyList(); - } - @Override public StreamType getStreamType() { return StreamType.AUDIO_STREAM; @@ -372,17 +320,6 @@ public class SoundcloudStreamExtractor extends StreamExtractor { return collector; } - @Override - public String getErrorMessage() { - return null; - } - - @Nonnull - @Override - public String getHost() { - return ""; - } - @Override public Privacy getPrivacy() { return track.getString("sharing").equals("public") ? Privacy.PUBLIC : Privacy.PRIVATE; @@ -400,11 +337,6 @@ public class SoundcloudStreamExtractor extends StreamExtractor { return track.getString("license"); } - @Override - public Locale getLanguageInfo() { - return null; - } - @Nonnull @Override public List getTags() { @@ -432,22 +364,4 @@ public class SoundcloudStreamExtractor extends StreamExtractor { } return tags; } - - @Nonnull - @Override - public String getSupportInfo() { - return ""; - } - - @Nonnull - @Override - public List getStreamSegments() { - return Collections.emptyList(); - } - - @Nonnull - @Override - public List getMetaInfo() { - return Collections.emptyList(); - } } diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamExtractor.java index 252e17c8..8148072c 100644 --- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamExtractor.java +++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamExtractor.java @@ -458,24 +458,6 @@ public class YoutubeStreamExtractor extends StreamExtractor { return fixThumbnailUrl(url); } - @Nonnull - @Override - public String getSubChannelUrl() { - return ""; - } - - @Nonnull - @Override - public String getSubChannelName() { - return ""; - } - - @Nonnull - @Override - public String getSubChannelAvatarUrl() { - return ""; - } - @Nonnull @Override public String getDashMpdUrl() throws ParsingException { @@ -1257,12 +1239,6 @@ public class YoutubeStreamExtractor extends StreamExtractor { } } - @Nonnull - @Override - public String getHost() { - return ""; - } - @Nonnull @Override public Privacy getPrivacy() { @@ -1304,12 +1280,6 @@ public class YoutubeStreamExtractor extends StreamExtractor { .getArray("keywords")); } - @Nonnull - @Override - public String getSupportInfo() { - return ""; - } - @Nonnull @Override public List getStreamSegments() throws ParsingException { diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/stream/StreamExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/stream/StreamExtractor.java index 849e9772..12cd5d34 100644 --- a/extractor/src/main/java/org/schabi/newpipe/extractor/stream/StreamExtractor.java +++ b/extractor/src/main/java/org/schabi/newpipe/extractor/stream/StreamExtractor.java @@ -63,7 +63,9 @@ public abstract class StreamExtractor extends Extractor { * @see #getUploadDate() */ @Nullable - public abstract String getTextualUploadDate() throws ParsingException; + public String getTextualUploadDate() throws ParsingException { + return null; + } /** * A more general {@code Calendar} instance set to the date provided by the service.
@@ -77,7 +79,9 @@ public abstract class StreamExtractor extends Extractor { * @see #getTextualUploadDate() */ @Nullable - public abstract DateWrapper getUploadDate() throws ParsingException; + public DateWrapper getUploadDate() throws ParsingException { + return null; + } /** * This will return the url to the thumbnail of the stream. Try to return the medium resolution here. @@ -95,7 +99,9 @@ public abstract class StreamExtractor extends Extractor { * @throws ParsingException */ @Nonnull - public abstract Description getDescription() throws ParsingException; + public Description getDescription() throws ParsingException { + return Description.emptyDescription; + } /** * Get the age limit. @@ -103,52 +109,64 @@ public abstract class StreamExtractor extends Extractor { * @return The age which limits the content or {@value NO_AGE_LIMIT} if there is no limit * @throws ParsingException if an error occurs while parsing */ - public abstract int getAgeLimit() throws ParsingException; + public int getAgeLimit() throws ParsingException { + return NO_AGE_LIMIT; + } /** * This should return the length of a video in seconds. * - * @return The length of the stream in seconds. + * @return The length of the stream in seconds or 0 when it has no length (e.g. a livestream). * @throws ParsingException */ - public abstract long getLength() throws ParsingException; + public long getLength() throws ParsingException { + return 0; + } /** * If the url you are currently handling contains a time stamp/seek, you can return the * position it represents here. * If the url has no time stamp simply return zero. * - * @return the timestamp in seconds + * @return the timestamp in seconds or 0 when there is no timestamp * @throws ParsingException */ - public abstract long getTimeStamp() throws ParsingException; + public long getTimeStamp() throws ParsingException { + return 0; + } /** * The count of how many people have watched the video/listened to the audio stream. * If the current stream has no view count or its not available simply return -1 * - * @return amount of views. + * @return amount of views or -1 if not available. * @throws ParsingException */ - public abstract long getViewCount() throws ParsingException; + public long getViewCount() throws ParsingException { + return -1; + } /** * The amount of likes a video/audio stream got. * If the current stream has no likes or its not available simply return -1 * - * @return the amount of likes the stream got + * @return the amount of likes the stream got or -1 if not available. * @throws ParsingException */ - public abstract long getLikeCount() throws ParsingException; + public long getLikeCount() throws ParsingException { + return -1; + } /** * The amount of dislikes a video/audio stream got. * If the current stream has no dislikes or its not available simply return -1 * - * @return the amount of likes the stream got + * @return the amount of likes the stream got or -1 if not available. * @throws ParsingException */ - public abstract long getDislikeCount() throws ParsingException; + public long getDislikeCount() throws ParsingException { + return -1; + } /** * The Url to the page of the creator/uploader of the stream. This must not be a homepage, @@ -157,7 +175,7 @@ public abstract class StreamExtractor extends Extractor { * so be sure to implement that one before you return a value here, otherwise NewPipe will crash if one selects * this url. * - * @return the url to the page of the creator/uploader of the stream or an empty String + * @return the url to the page of the creator/uploader of the stream or an empty string * @throws ParsingException */ @Nonnull @@ -167,7 +185,7 @@ public abstract class StreamExtractor extends Extractor { * The name of the creator/uploader of the stream. * If the name is not available you can simply return an empty string. * - * @return the name of the creator/uploader of the stream or an empty String + * @return the name of the creator/uploader of the stream or an empty tring * @throws ParsingException */ @Nonnull @@ -180,7 +198,9 @@ public abstract class StreamExtractor extends Extractor { * @return whether the uploader has been verified by the service's provider * @throws ParsingException */ - public abstract boolean isUploaderVerified() throws ParsingException; + public boolean isUploaderVerified() throws ParsingException { + return false; + } /** * The url to the image file/profile picture/avatar of the creator/uploader of the stream. @@ -190,7 +210,9 @@ public abstract class StreamExtractor extends Extractor { * @throws ParsingException */ @Nonnull - public abstract String getUploaderAvatarUrl() throws ParsingException; + public String getUploaderAvatarUrl() throws ParsingException { + return ""; + } /** * The Url to the page of the sub-channel of the stream. This must not be a homepage, @@ -203,7 +225,9 @@ public abstract class StreamExtractor extends Extractor { * @throws ParsingException */ @Nonnull - public abstract String getSubChannelUrl() throws ParsingException; + public String getSubChannelUrl() throws ParsingException { + return ""; + } /** * The name of the sub-channel of the stream. @@ -213,7 +237,9 @@ public abstract class StreamExtractor extends Extractor { * @throws ParsingException */ @Nonnull - public abstract String getSubChannelName() throws ParsingException; + public String getSubChannelName() throws ParsingException { + return ""; + } /** * The url to the image file/profile picture/avatar of the sub-channel of the stream. @@ -223,17 +249,21 @@ public abstract class StreamExtractor extends Extractor { * @throws ParsingException */ @Nonnull - public abstract String getSubChannelAvatarUrl() throws ParsingException; + public String getSubChannelAvatarUrl() throws ParsingException { + return ""; + } /** * Get the dash mpd url. If you don't know what a dash MPD is you can read about it * here. * - * @return the url as a string or an empty string + * @return the url as a string or an empty string or an empty string if not available * @throws ParsingException if an error occurs while reading */ @Nonnull - public abstract String getDashMpdUrl() throws ParsingException; + public String getDashMpdUrl() throws ParsingException { + return ""; + } /** * I am not sure if this is in use, and how this is used. However the frontend is missing support @@ -241,11 +271,13 @@ public abstract class StreamExtractor extends Extractor { * issue, * or fix this description if you know whats up with this. * - * @return The Url to the hls stream. + * @return The Url to the hls stream or an empty string if not available. * @throws ParsingException */ @Nonnull - public abstract String getHlsUrl() throws ParsingException; + public String getHlsUrl() throws ParsingException { + return ""; + } /** * This should return a list of available @@ -298,7 +330,9 @@ public abstract class StreamExtractor extends Extractor { * @throws ExtractionException */ @Nonnull - public abstract List getSubtitlesDefault() throws IOException, ExtractionException; + public List getSubtitlesDefault() throws IOException, ExtractionException { + return Collections.emptyList(); + } /** * This will return a list of available @@ -312,7 +346,9 @@ public abstract class StreamExtractor extends Extractor { * @throws ExtractionException */ @Nonnull - public abstract List getSubtitles(MediaFormat format) throws IOException, ExtractionException; + public List getSubtitles(MediaFormat format) throws IOException, ExtractionException { + return Collections.emptyList(); + } /** * Get the StreamType. @@ -334,13 +370,15 @@ public abstract class StreamExtractor extends Extractor { * @throws ExtractionException */ @Nullable - public abstract InfoItemsCollector - getRelatedItems() throws IOException, ExtractionException; + public InfoItemsCollector + getRelatedItems() throws IOException, ExtractionException { + return null; + } /** * @deprecated Use {@link #getRelatedItems()}. May be removed in a future version. * @return The result of {@link #getRelatedItems()} if it is a - * StreamInfoItemsCollector, null otherwise + * StreamInfoItemsCollector, null otherwise * @throws IOException * @throws ExtractionException */ @@ -367,9 +405,11 @@ public abstract class StreamExtractor extends Extractor { /** * Should analyse the webpage's document and extracts any error message there might be. * - * @return Error message; null if there is no error message. + * @return Error message; null if there is no error message. */ - public abstract String getErrorMessage(); + public String getErrorMessage() { + return null; + } ////////////////////////////////////////////////////////////////// /// Helper @@ -435,30 +475,35 @@ public abstract class StreamExtractor extends Extractor { * a federated system, but a centralised system, * you can simply return an empty string. * - * @return the host of the stream or an empty String. + * @return the host of the stream or an empty string. * @throws ParsingException */ @Nonnull - public abstract String getHost() throws ParsingException; + public String getHost() throws ParsingException { + return ""; + } /** * The privacy of the stream (Eg. Public, Private, Unlisted…). - * If the privacy is not available you can simply return an empty string. * - * @return the privacy of the stream or an empty String. + * @return the privacy of the stream. * @throws ParsingException */ - public abstract Privacy getPrivacy() throws ParsingException; + public Privacy getPrivacy() throws ParsingException { + return Privacy.PUBLIC; + } /** * The name of the category of the stream. * If the category is not available you can simply return an empty string. * - * @return the category of the stream or an empty String. + * @return the category of the stream or an empty string. * @throws ParsingException */ @Nonnull - public abstract String getCategory() throws ParsingException; + public String getCategory() throws ParsingException { + return ""; + } /** * The name of the licence of the stream. @@ -468,7 +513,9 @@ public abstract class StreamExtractor extends Extractor { * @throws ParsingException */ @Nonnull - public abstract String getLicence() throws ParsingException; + public String getLicence() throws ParsingException { + return ""; + } /** * The locale language of the stream. @@ -476,11 +523,13 @@ public abstract class StreamExtractor extends Extractor { * If the language is provided by a language code, you can return * new Locale(language_code); * - * @return the locale language of the stream or null. + * @return the locale language of the stream or null. * @throws ParsingException */ @Nullable - public abstract Locale getLanguageInfo() throws ParsingException; + public Locale getLanguageInfo() throws ParsingException { + return null; + } /** * The list of tags of the stream. @@ -490,7 +539,9 @@ public abstract class StreamExtractor extends Extractor { * @throws ParsingException */ @Nonnull - public abstract List getTags() throws ParsingException; + public List getTags() throws ParsingException { + return Collections.emptyList(); + } /** * The support information of the stream. @@ -499,11 +550,13 @@ public abstract class StreamExtractor extends Extractor { * If the support information are not available, * you can simply return an empty String. * - * @return the support information of the stream or an empty String. + * @return the support information of the stream or an empty string. * @throws ParsingException */ @Nonnull - public abstract String getSupportInfo() throws ParsingException; + public String getSupportInfo() throws ParsingException { + return ""; + } /** * The list of stream segments by timestamps for the stream. @@ -513,7 +566,9 @@ public abstract class StreamExtractor extends Extractor { * @throws ParsingException */ @Nonnull - public abstract List getStreamSegments() throws ParsingException; + public List getStreamSegments() throws ParsingException { + return Collections.emptyList(); + } /** * Meta information about the stream. @@ -524,11 +579,14 @@ public abstract class StreamExtractor extends Extractor { *

* The meta information often contains links to external sources like Wikipedia or the WHO. * - * @return The meta info of the stream or an empty List if not provided. + * @return The meta info of the stream or an empty list if not provided. * @throws ParsingException */ @Nonnull - public abstract List getMetaInfo() throws ParsingException; + public List getMetaInfo() throws ParsingException { + return Collections.emptyList(); + } + public enum Privacy { PUBLIC, UNLISTED,