got rid of getVideoInfo() in youtube crawler

app/src/main/java/org/schabi/newpipe/VideoItemDetailFragment.java

@@ -115,6 +115,7 @@ public class VideoItemDetailFragment extends Fragment {
                 VideoInfo videoInfo = videoExtractor.getVideoInfo();
                 h.post(new VideoResultReturnedRunnable(videoInfo));
                 h.post(new SetThumbnailRunnable(
+                        //todo: make bitmaps not bypass tor
                         BitmapFactory.decodeStream(
                                 new URL(videoInfo.thumbnail_url)
                                         .openConnection()

app/src/main/java/org/schabi/newpipe/VideoItemListFragment.java

@@ -157,6 +157,7 @@ public class VideoItemListFragment extends ListFragment {
                 if(!downloadedList.get(i)) {
                     Bitmap thumbnail;
                     try {
+                        //todo: make bitmaps not bypass tor
                         thumbnail = BitmapFactory.decodeStream(
                                 new URL(thumbnailUrlList.get(i)).openConnection().getInputStream());
                         h.post(new SetThumbnailRunnable(i, thumbnail, requestId));

app/src/main/java/org/schabi/newpipe/crawler/VideoExtractor.java

@@ -20,6 +20,9 @@ package org.schabi.newpipe.crawler;
  * along with NewPipe.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+import java.util.List;
+import java.util.Vector;
+
 /**Scrapes information from a video streaming service (eg, YouTube).*/
 
 
@@ -134,6 +137,25 @@ public abstract class VideoExtractor {
             videoInfo.dashMpdUrl = getDashMpdUrl();
         }
 
+        if(videoInfo.average_rating.isEmpty()) {
+            videoInfo.average_rating = getAverageRating();
+        }
+
+        if(videoInfo.like_count == -1) {
+            videoInfo.like_count = getLikeCount();
+        }
+
+        if(videoInfo.dislike_count == -1) {
+            videoInfo.dislike_count = getDislikeCount();
+        }
+
+        if(videoInfo.nextVideo == null) {
+            videoInfo.nextVideo = getNextVideo();
+        }
+
+        if(videoInfo.relatedVideos == null) {
+            videoInfo.relatedVideos = getRelatedVideos();
+        }
 
         //Bitmap thumbnail = null;
         //Bitmap uploader_thumbnail = null;
@@ -158,4 +180,9 @@ public abstract class VideoExtractor {
     public abstract VideoInfo.VideoStream[] getVideoStreams() throws ParsingException;
     public abstract String getDashMpdUrl() throws ParsingException;
     public abstract int getAgeLimit() throws ParsingException;
+    public abstract String getAverageRating() throws ParsingException;
+    public abstract int getLikeCount() throws ParsingException;
+    public abstract int getDislikeCount() throws ParsingException;
+    public abstract VideoPreviewInfo getNextVideo() throws ParsingException;
+    public abstract Vector<VideoPreviewInfo> getRelatedVideos() throws ParsingException;
 }

app/src/main/java/org/schabi/newpipe/crawler/services/youtube/YoutubeVideoExtractor.java

@@ -25,6 +25,7 @@ import java.io.IOException;
 import java.io.StringReader;
 import java.net.URLDecoder;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 import java.util.Vector;
 import java.util.regex.Matcher;
@@ -389,65 +390,58 @@ public class YoutubeVideoExtractor extends VideoExtractor {
         return 0;
     }
 
+    @Override
+    public String getAverageRating() throws ParsingException {
+        try {
+            return playerArgs.getString("avg_rating");
+        } catch (JSONException e) {
+            throw new ParsingException("Could not get Average rating", e);
+        }
+    }
 
     @Override
-    public VideoInfo getVideoInfo() throws CrawlingException {
+    public int getLikeCount() throws ParsingException {
-        videoInfo = super.getVideoInfo();
-
-        //todo: replace this with a call to getVideoId, if possible
-        //videoInfo.id = matchGroup1("v=([0-9a-zA-Z_-]{11})", pageUrl);
-        videoInfo.id = getVideoId(pageUrl);
-
-        if (videoInfo.audioStreams == null
-                || videoInfo.audioStreams.length == 0) {
-            Log.e(TAG, "uninitialised audio streams!");
-        }
-
-        if (videoInfo.videoStreams == null
-                || videoInfo.videoStreams.length == 0) {
-            Log.e(TAG, "uninitialised video streams!");
-        }
-
-        videoInfo.age_limit = 0;
-
-        //average rating
-        try {
-            videoInfo.average_rating = playerArgs.getString("avg_rating");
-        } catch (JSONException e) {
-            e.printStackTrace();
-        }
-
-        //---------------------------------------
-        // extracting information from html page
-        //---------------------------------------
-
         String likesString = "";
-        String dislikesString = "";
         try {
-            // likes
             likesString = doc.select("button.like-button-renderer-like-button").first()
                     .select("span.yt-uix-button-content").first().text();
-            videoInfo.like_count = Integer.parseInt(likesString.replaceAll("[^\\d]", ""));
+            return Integer.parseInt(likesString.replaceAll("[^\\d]", ""));
-            // dislikes
-            dislikesString = doc.select("button.like-button-renderer-dislike-button").first()
-                    .select("span.yt-uix-button-content").first().text();
-
-            videoInfo.dislike_count = Integer.parseInt(dislikesString.replaceAll("[^\\d]", ""));
         } catch (NumberFormatException nfe) {
-            Log.e(TAG, "failed to parse likesString \"" + likesString + "\" and dislikesString \"" +
+            throw new ParsingException(
-                    dislikesString + "\" as integers");
+                    "failed to parse likesString \"" + likesString + "\" as integers", nfe);
         } catch (Exception e) {
-            // if it fails we know that the video does not offer dislikes.
+            throw new ParsingException("Could not get like count", e);
-            e.printStackTrace();
+        }
-            videoInfo.like_count = 0;
-            videoInfo.dislike_count = 0;
     }
 
-        // next video
+    @Override
-        videoInfo.nextVideo = extractVideoPreviewInfo(doc.select("div[class=\"watch-sidebar-section\"]").first()
+    public int getDislikeCount() throws ParsingException {
-                .select("li").first());
+        String dislikesString = "";
+        try {
+            dislikesString = doc.select("button.like-button-renderer-dislike-button").first()
+                    .select("span.yt-uix-button-content").first().text();
+            return Integer.parseInt(dislikesString.replaceAll("[^\\d]", ""));
+        } catch(NumberFormatException nfe) {
+            throw new ParsingException(
+                    "failed to parse dislikesString \"" + dislikesString + "\" as integers", nfe);
+        } catch(Exception e) {
+            throw new ParsingException("Could not get dislike count", e);
+        }
+    }
 
-        // related videos
+    @Override
+    public VideoPreviewInfo getNextVideo() throws ParsingException {
+        try {
+            return extractVideoPreviewInfo(doc.select("div[class=\"watch-sidebar-section\"]").first()
+                    .select("li").first());
+        } catch(Exception e) {
+            throw new ParsingException("Could not get next video", e);
+        }
+    }
+
+    @Override
+    public Vector<VideoPreviewInfo> getRelatedVideos() throws ParsingException {
+        try {
             Vector<VideoPreviewInfo> relatedVideos = new Vector<>();
             for (Element li : doc.select("ul[id=\"watch-related\"]").first().children()) {
                 // first check if we have a playlist. If so leave them out
@@ -455,11 +449,10 @@ public class YoutubeVideoExtractor extends VideoExtractor {
                     relatedVideos.add(extractVideoPreviewInfo(li));
                 }
             }
-        //todo: replace conversion
+            return relatedVideos;
-        videoInfo.relatedVideos = relatedVideos;
+        } catch(Exception e) {
-        //videoInfo.relatedVideos = relatedVideos.toArray(new VideoPreviewInfo[relatedVideos.size()]);
+            throw new ParsingException("Could not get related videos", e);
-
+        }
-        return videoInfo;
     }
 
     private VideoInfo.AudioStream[] parseDashManifest(String dashManifest, String decryptoinCode) throws RegexException, DecryptException {