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NewPipeExtractor
mirror of https://github.com/TeamNewPipe/NewPipeExtractor
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Code style improvements 

Use final where possible in YoutubeStreamExtractor and do some other code style improvements
This commit is contained in:
TiA4f8R 2021-02-24 17:06:38 +01:00
parent d0a1041afd
commit e55284bb8f
No known key found for this signature in database
GPG Key ID: E6D3E7F5949450DD
3 changed files with 63 additions and 62 deletions
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1
extractor/src/main/java/org/schabi/newpipe/extractor/exceptions/AgeRestrictedContentException.java
View File

@ -4,6 +4,7 @@ public class AgeRestrictedContentException extends ContentNotAvailableException
public AgeRestrictedContentException(final String message) {
super(message);
}
public AgeRestrictedContentException(final String message, final Throwable cause) {
super(message, cause);
}

2
extractor/src/main/java/org/schabi/newpipe/extractor/exceptions/ExtractionException.java
View File

@ -32,4 +32,4 @@ public class ExtractionException extends Exception {
public ExtractionException(final String message, final Throwable cause) {
super(message, cause);
}
}
}

122
extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamExtractor.java
View File

@ -76,7 +76,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
//////////////////////////////////////////////////////////////////////////*/
public static class DeobfuscateException extends ParsingException {
DeobfuscateException(String message, Throwable cause) {
DeobfuscateException(final String message, final Throwable cause) {
super(message, cause);
}
}
@ -99,7 +99,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
@Nullable
private List<SubtitlesStream> subtitles = null;
public YoutubeStreamExtractor(StreamingService service, LinkHandler linkHandler) {
public YoutubeStreamExtractor(final StreamingService service, final LinkHandler linkHandler) {
super(service, linkHandler);
}
@ -115,7 +115,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
try {
title = getTextFromObject(getVideoPrimaryInfoRenderer().getObject("title"));
} catch (ParsingException ignored) {
} catch (final ParsingException ignored) {
// age-restricted videos cause a ParsingException here
}
@ -158,14 +158,14 @@ public class YoutubeStreamExtractor extends StreamExtractor {
TimeAgoParser timeAgoParser = TimeAgoPatternsManager.getTimeAgoParserFor(Localization.fromLocalizationCode("en"));
OffsetDateTime parsedTime = timeAgoParser.parse(time).offsetDateTime();
return DateTimeFormatter.ISO_LOCAL_DATE.format(parsedTime);
} catch (Exception ignored) {
} catch (final Exception ignored) {
}
try { // Premiered Feb 21, 2020
final LocalDate localDate = LocalDate.parse(time,
DateTimeFormatter.ofPattern("MMM dd, yyyy", Locale.ENGLISH));
return DateTimeFormatter.ISO_LOCAL_DATE.format(localDate);
} catch (Exception ignored) {
} catch (final Exception ignored) {
}
}
@ -174,7 +174,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
LocalDate localDate = LocalDate.parse(getTextFromObject(getVideoPrimaryInfoRenderer().getObject("dateText")),
DateTimeFormatter.ofPattern("dd MMM yyyy", Locale.ENGLISH));
return DateTimeFormatter.ISO_LOCAL_DATE.format(localDate);
} catch (Exception ignored) {
} catch (final Exception ignored) {
}
throw new ParsingException("Could not get upload date");
@ -201,7 +201,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
String url = thumbnails.getObject(thumbnails.size() - 1).getString("url");
return fixThumbnailUrl(url);
} catch (Exception e) {
} catch (final Exception e) {
throw new ParsingException("Could not get thumbnail url");
}
@ -215,7 +215,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
try {
String description = getTextFromObject(getVideoSecondaryInfoRenderer().getObject("description"), true);
if (description != null && !description.isEmpty()) return new Description(description, Description.HTML);
} catch (ParsingException ignored) {
} catch (final ParsingException ignored) {
// age-restricted videos cause a ParsingException here
}
@ -265,7 +265,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
.getObject("videoDetails")
.getString("lengthSeconds");
return Long.parseLong(duration);
} catch (Exception e) {
} catch (final Exception e) {
try {
String durationMs = playerResponse
.getObject("streamingData")
@ -273,7 +273,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
.getObject(0)
.getString("approxDurationMs");
return Math.round(Long.parseLong(durationMs) / 1000f);
} catch (Exception ignored) {
} catch (final Exception ignored) {
throw new ParsingException("Could not get duration", e);
}
}
@ -305,7 +305,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
try {
views = getTextFromObject(getVideoPrimaryInfoRenderer().getObject("viewCount")
.getObject("videoViewCountRenderer").getObject("viewCount"));
} catch (ParsingException ignored) {
} catch (final ParsingException ignored) {
// age-restricted videos cause a ParsingException here
}
@ -328,17 +328,17 @@ public class YoutubeStreamExtractor extends StreamExtractor {
try {
likesString = getVideoPrimaryInfoRenderer().getObject("sentimentBar")
.getObject("sentimentBarRenderer").getString("tooltip").split("/")[0];
} catch (NullPointerException e) {
//if this kicks in our button has no content and therefore ratings must be disabled
} catch (final NullPointerException e) {
// if this kicks in our button has no content and therefore ratings must be disabled
if (playerResponse.getObject("videoDetails").getBoolean("allowRatings")) {
throw new ParsingException("Ratings are enabled even though the like button is missing", e);
}
return -1;
}
return Integer.parseInt(Utils.removeNonDigitCharacters(likesString));
} catch (NumberFormatException nfe) {
} catch (final NumberFormatException nfe) {
throw new ParsingException("Could not parse \"" + likesString + "\" as an Integer", nfe);
} catch (Exception e) {
} catch (final Exception e) {
if (getAgeLimit() == NO_AGE_LIMIT) {
throw new ParsingException("Could not get like count", e);
}
@ -354,17 +354,17 @@ public class YoutubeStreamExtractor extends StreamExtractor {
try {
dislikesString = getVideoPrimaryInfoRenderer().getObject("sentimentBar")
.getObject("sentimentBarRenderer").getString("tooltip").split("/")[1];
} catch (NullPointerException e) {
//if this kicks in our button has no content and therefore ratings must be disabled
} catch (final NullPointerException e) {
// if this kicks in our button has no content and therefore ratings must be disabled
if (playerResponse.getObject("videoDetails").getBoolean("allowRatings")) {
throw new ParsingException("Ratings are enabled even though the dislike button is missing", e);
}
return -1;
}
return Integer.parseInt(Utils.removeNonDigitCharacters(dislikesString));
} catch (NumberFormatException nfe) {
} catch (final NumberFormatException nfe) {
throw new ParsingException("Could not parse \"" + dislikesString + "\" as an Integer", nfe);
} catch (Exception e) {
} catch (final Exception e) {
if (getAgeLimit() == NO_AGE_LIMIT) {
throw new ParsingException("Could not get dislike count", e);
}
@ -378,16 +378,16 @@ public class YoutubeStreamExtractor extends StreamExtractor {
assertPageFetched();
try {
String uploaderUrl = getUrlFromNavigationEndpoint(getVideoSecondaryInfoRenderer()
final String uploaderUrl = getUrlFromNavigationEndpoint(getVideoSecondaryInfoRenderer()
.getObject("owner").getObject("videoOwnerRenderer").getObject("navigationEndpoint"));
if (!isNullOrEmpty(uploaderUrl)) {
return uploaderUrl;
}
} catch (ParsingException ignored) {
} catch (final ParsingException ignored) {
// age-restricted videos cause a ParsingException here
}
String uploaderId = playerResponse.getObject("videoDetails").getString("channelId");
final String uploaderId = playerResponse.getObject("videoDetails").getString("channelId");
if (!isNullOrEmpty(uploaderId)) {
return YoutubeChannelLinkHandlerFactory.getInstance().getUrl("channel/" + uploaderId);
}
@ -405,7 +405,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
try {
uploaderName = getTextFromObject(getVideoSecondaryInfoRenderer().getObject("owner")
.getObject("videoOwnerRenderer").getObject("title"));
} catch (ParsingException ignored) {
} catch (final ParsingException ignored) {
}
if (isNullOrEmpty(uploaderName)) {
@ -435,7 +435,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
try {
url = getVideoSecondaryInfoRenderer().getObject("owner").getObject("videoOwnerRenderer")
.getObject("thumbnail").getArray("thumbnails").getObject(0).getString("url");
} catch (ParsingException ignored) {
} catch (final ParsingException ignored) {
// age-restricted videos cause a ParsingException here
}
@ -483,14 +483,14 @@ public class YoutubeStreamExtractor extends StreamExtractor {
if (!dashManifestUrl.contains("/signature/")) {
String obfuscatedSig = Parser.matchGroup1("/s/([a-fA-F0-9\\.]+)", dashManifestUrl);
String deobfuscatedSig;
final String deobfuscatedSig;
deobfuscatedSig = deobfuscateSignature(obfuscatedSig);
dashManifestUrl = dashManifestUrl.replace("/s/" + obfuscatedSig, "/signature/" + deobfuscatedSig);
}
return dashManifestUrl;
} catch (Exception e) {
} catch (final Exception e) {
throw new ParsingException("Could not get dash manifest url", e);
}
}
@ -502,7 +502,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
try {
return playerResponse.getObject("streamingData").getString("hlsManifestUrl");
} catch (Exception e) {
} catch (final Exception e) {
throw new ParsingException("Could not get hls manifest url", e);
}
}
@ -510,17 +510,17 @@ public class YoutubeStreamExtractor extends StreamExtractor {
@Override
public List<AudioStream> getAudioStreams() throws ExtractionException {
assertPageFetched();
List<AudioStream> audioStreams = new ArrayList<>();
try {
for (Map.Entry<String, ItagItem> entry : getItags(ADAPTIVE_FORMATS, ItagItem.ItagType.AUDIO).entrySet()) {
ItagItem itag = entry.getValue();
final List<AudioStream> audioStreams = new ArrayList<>();
AudioStream audioStream = new AudioStream(entry.getKey(), itag);
try {
for (final Map.Entry<String, ItagItem> entry : getItags(ADAPTIVE_FORMATS, ItagItem.ItagType.AUDIO).entrySet()) {
final ItagItem itag = entry.getValue();
final AudioStream audioStream = new AudioStream(entry.getKey(), itag);
if (!Stream.containSimilarStream(audioStream, audioStreams)) {
audioStreams.add(audioStream);
}
}
} catch (Exception e) {
} catch (final Exception e) {
throw new ParsingException("Could not get audio streams", e);
}
@ -530,17 +530,17 @@ public class YoutubeStreamExtractor extends StreamExtractor {
@Override
public List<VideoStream> getVideoStreams() throws ExtractionException {
assertPageFetched();
List<VideoStream> videoStreams = new ArrayList<>();
try {
for (Map.Entry<String, ItagItem> entry : getItags(FORMATS, ItagItem.ItagType.VIDEO).entrySet()) {
ItagItem itag = entry.getValue();
final List<VideoStream> videoStreams = new ArrayList<>();
VideoStream videoStream = new VideoStream(entry.getKey(), false, itag);
try {
for (final Map.Entry<String, ItagItem> entry : getItags(FORMATS, ItagItem.ItagType.VIDEO).entrySet()) {
final ItagItem itag = entry.getValue();
final VideoStream videoStream = new VideoStream(entry.getKey(), false, itag);
if (!Stream.containSimilarStream(videoStream, videoStreams)) {
videoStreams.add(videoStream);
}
}
} catch (Exception e) {
} catch (final Exception e) {
throw new ParsingException("Could not get video streams", e);
}
@ -550,17 +550,17 @@ public class YoutubeStreamExtractor extends StreamExtractor {
@Override
public List<VideoStream> getVideoOnlyStreams() throws ExtractionException {
assertPageFetched();
List<VideoStream> videoOnlyStreams = new ArrayList<>();
final List<VideoStream> videoOnlyStreams = new ArrayList<>();
try {
for (Map.Entry<String, ItagItem> entry : getItags(ADAPTIVE_FORMATS, ItagItem.ItagType.VIDEO_ONLY).entrySet()) {
ItagItem itag = entry.getValue();
for (final Map.Entry<String, ItagItem> entry : getItags(ADAPTIVE_FORMATS, ItagItem.ItagType.VIDEO_ONLY).entrySet()) {
final ItagItem itag = entry.getValue();
VideoStream videoStream = new VideoStream(entry.getKey(), true, itag);
final VideoStream videoStream = new VideoStream(entry.getKey(), true, itag);
if (!Stream.containSimilarStream(videoStream, videoOnlyStreams)) {
videoOnlyStreams.add(videoStream);
}
}
} catch (Exception e) {
} catch (final Exception e) {
throw new ParsingException("Could not get video only streams", e);
}
@ -577,7 +577,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
@Nonnull
public List<SubtitlesStream> getSubtitles(final MediaFormat format) throws ParsingException {
assertPageFetched();
// If the video is age restricted getPlayerConfig will fail
// if the video is age restricted getPlayerConfig will fail
if (getAgeLimit() != NO_AGE_LIMIT) {
return Collections.emptyList();
}
@ -635,7 +635,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
.getArray("contents").getObject(0).getObject("compactVideoRenderer");
return new YoutubeStreamInfoItemExtractor(videoInfo, getTimeAgoParser());
} catch (Exception e) {
} catch (final Exception e) {
throw new ParsingException("Could not get next video", e);
}
}
@ -668,7 +668,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
}
}
return collector;
} catch (Exception e) {
} catch (final Exception e) {
throw new ParsingException("Could not get related videos", e);
}
}
@ -682,7 +682,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
return getTextFromObject(initialAjaxJson.getObject(2).getObject("playerResponse")
.getObject("playabilityStatus").getObject("errorScreen")
.getObject("playerErrorMessageRenderer").getObject("reason"));
} catch (ParsingException | NullPointerException e) {
} catch (final ParsingException | NullPointerException e) {
return null; // no error message
}
}
@ -767,7 +767,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
throw new PaidContentException("This video is a paid video");
}
if (reason.equals("Join this channel to get access to members-only content like this video, and other exclusive perks.") ||
reason.equals("Join this channel to get access to members-only content like this video and other exclusive perks.")) {
reason.equals("Join this channel to get access to members-only content like this video and other exclusive perks.")) {
throw new PaidContentException("This video is only available for members of the channel of this video");
}
if (reason.equals("Video unavailable")) {
@ -799,7 +799,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
try {
playerResponse = JsonParser.object().from(videoInfoPage.get("player_response"));
} catch (JsonParserException e) {
} catch (final JsonParserException e) {
throw new ParsingException(
"Could not parse YouTube player response from video info page", e);
}
@ -816,12 +816,12 @@ public class YoutubeStreamExtractor extends StreamExtractor {
final String assetsPattern = "\"assets\":.+?\"js\":\\s*(\"[^\"]+\")";
playerJsUrl = Parser.matchGroup1(assetsPattern, embedPageContent)
.replace("\\", "").replace("\"", "");
} catch (Parser.RegexException ex) {
} catch (final Parser.RegexException ex) {
// playerJsUrl is still available in the file, just somewhere else TODO
// it is ok not to find it, see how that's handled in getDeobfuscationCode()
final Document doc = Jsoup.parse(embedPageContent);
final Elements elems = doc.select("script").attr("name", "player_ias/base");
for (Element elem : elems) {
for (final Element elem : elems) {
if (elem.attr("src").contains("base.js")) {
playerJsUrl = elem.attr("src");
break;
@ -831,7 +831,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
// Get embed sts
return Parser.matchGroup1("\"sts\"\\s*:\\s*(\\d+)", embedPageContent);
} catch (Exception i) {
} catch (final Exception i) {
// if it fails we simply reply with no sts as then it does not seem to be necessary
return "";
}
@ -842,7 +842,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
for (final String regex : REGEXES) {
try {
return Parser.matchGroup1(regex, playerCode);
} catch (Parser.RegexException re) {
} catch (final Parser.RegexException re) {
if (exception == null) {
exception = re;
}
@ -874,9 +874,9 @@ public class YoutubeStreamExtractor extends StreamExtractor {
"function " + DEOBFUSCATION_FUNC_NAME + "(a){return " + deobfuscationFunctionName + "(a);}";
return helperObject + deobfuscateFunction + callerFunction;
} catch (IOException ioe) {
} catch (final IOException ioe) {
throw new DeobfuscateException("Could not load deobfuscate function", ioe);
} catch (Exception e) {
} catch (final Exception e) {
throw new DeobfuscateException("Could not parse deobfuscate function ", e);
}
}
@ -917,7 +917,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
context.evaluateString(scope, deobfuscationCode, "deobfuscationCode", 1, null);
final Function deobfuscateFunc = (Function) scope.get(DEOBFUSCATION_FUNC_NAME, scope);
result = deobfuscateFunc.call(context, scope, scope, new Object[]{obfuscatedSig});
} catch (Exception e) {
} catch (final Exception e) {
throw new DeobfuscateException("Could not get deobfuscate signature", e);
} finally {
Context.exit();
@ -936,7 +936,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
.getObject("results").getObject("results").getArray("contents");
JsonObject videoPrimaryInfoRenderer = null;
for (Object content : contents) {
for (final Object content : contents) {
if (((JsonObject) content).has("videoPrimaryInfoRenderer")) {
videoPrimaryInfoRenderer = ((JsonObject) content).getObject("videoPrimaryInfoRenderer");
break;
@ -958,7 +958,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
.getObject("results").getObject("results").getArray("contents");
JsonObject videoSecondaryInfoRenderer = null;
for (Object content : contents) {
for (final Object content : contents) {
if (((JsonObject) content).has("videoSecondaryInfoRenderer")) {
videoSecondaryInfoRenderer = ((JsonObject) content).getObject("videoSecondaryInfoRenderer");
break;
@ -1037,7 +1037,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
urlAndItags.put(streamUrl, itagItem);
}
} catch (UnsupportedEncodingException ignored) {
} catch (final UnsupportedEncodingException ignored) {
}
}
}
@ -1094,7 +1094,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
}
result.trimToSize();
return result;
} catch (Exception e) {
} catch (final Exception e) {
throw new ExtractionException(e);
}
}