remove unused ExtractionExceptions

src/main/java/org/schabi/newpipe/extractor/Extractor.java

@@ -36,7 +36,7 @@ public abstract class Extractor {
     private boolean pageFetched = false;
     private final Downloader downloader;
 
-    public Extractor(StreamingService service, String url) throws ExtractionException {
+    public Extractor(final StreamingService service, final String url) {
         if(service == null) throw new NullPointerException("service is null");
         if(url == null) throw new NullPointerException("url is null");
         this.service = service;

src/main/java/org/schabi/newpipe/extractor/ListExtractor.java

@@ -14,7 +14,7 @@ public abstract class ListExtractor extends Extractor {
     /**
      * Get a new ListExtractor with the given nextPageUrl set.
      */
-    public ListExtractor(StreamingService service, String url) throws ExtractionException {
+    public ListExtractor(StreamingService service, String url) {
         super(service, url);
     }
 

src/main/java/org/schabi/newpipe/extractor/NewPipe.java

@@ -28,7 +28,6 @@ import java.util.List;
  * Provides access to streaming services supported by NewPipe.
  */
 public class NewPipe {
-    private static final String TAG = NewPipe.class.toString();
     private static Downloader downloader = null;
 
     private NewPipe() {

src/main/java/org/schabi/newpipe/extractor/StreamingService.java

@@ -66,12 +66,13 @@ public abstract class StreamingService {
     public abstract UrlIdHandler getStreamUrlIdHandler();
     public abstract UrlIdHandler getChannelUrlIdHandler();
     public abstract UrlIdHandler getPlaylistUrlIdHandler();
+
     public abstract SearchEngine getSearchEngine();
     public abstract SuggestionExtractor getSuggestionExtractor();
-    public abstract StreamExtractor getStreamExtractor(String url) throws ExtractionException;
+    public abstract StreamExtractor getStreamExtractor(String url);
     public abstract KioskList getKioskList() throws ExtractionException;
-    public abstract ChannelExtractor getChannelExtractor(String url) throws ExtractionException;
+    public abstract ChannelExtractor getChannelExtractor(String url);
-    public abstract PlaylistExtractor getPlaylistExtractor(String url) throws ExtractionException;
+    public abstract PlaylistExtractor getPlaylistExtractor(String url);
     public abstract SubscriptionExtractor getSubscriptionExtractor();
 
     /**

src/main/java/org/schabi/newpipe/extractor/channel/ChannelExtractor.java

@@ -31,8 +31,7 @@ import java.io.IOException;
 
 public abstract class ChannelExtractor extends ListExtractor {
 
-    public ChannelExtractor(StreamingService service, String url)
+    public ChannelExtractor(StreamingService service, String url) {
-            throws ExtractionException {
         super(service, url);
     }
 

src/main/java/org/schabi/newpipe/extractor/playlist/PlaylistExtractor.java

@@ -14,7 +14,7 @@ import java.io.IOException;
 
 public abstract class PlaylistExtractor extends ListExtractor {
 
-    public PlaylistExtractor(StreamingService service, String url) throws ExtractionException {
+    public PlaylistExtractor(StreamingService service, String url) {
         super(service, url);
     }
 

src/main/java/org/schabi/newpipe/extractor/services/soundcloud/SoundcloudChannelExtractor.java

@@ -21,7 +21,7 @@ public class SoundcloudChannelExtractor extends ChannelExtractor {
     private StreamInfoItemsCollector streamInfoItemsCollector = null;
     private String nextPageUrl = null;
 
-    public SoundcloudChannelExtractor(StreamingService service, String url) throws ExtractionException {
+    public SoundcloudChannelExtractor(StreamingService service, String url) {
         super(service, url);
     }
 

src/main/java/org/schabi/newpipe/extractor/services/soundcloud/SoundcloudPlaylistExtractor.java

@@ -21,7 +21,7 @@ public class SoundcloudPlaylistExtractor extends PlaylistExtractor {
     private StreamInfoItemsCollector streamInfoItemsCollector = null;
     private String nextPageUrl = null;
 
-    public SoundcloudPlaylistExtractor(StreamingService service, String url) throws ExtractionException {
+    public SoundcloudPlaylistExtractor(StreamingService service, String url) {
         super(service, url);
     }
 

src/main/java/org/schabi/newpipe/extractor/services/soundcloud/SoundcloudService.java

@@ -45,17 +45,17 @@ public class SoundcloudService extends StreamingService {
 
 
     @Override
-    public StreamExtractor getStreamExtractor(String url) throws ExtractionException {
+    public StreamExtractor getStreamExtractor(String url) {
         return new SoundcloudStreamExtractor(this, url);
     }
 
     @Override
-    public ChannelExtractor getChannelExtractor(String url) throws ExtractionException {
+    public ChannelExtractor getChannelExtractor(String url) {
         return new SoundcloudChannelExtractor(this, url);
     }
 
     @Override
-    public PlaylistExtractor getPlaylistExtractor(String url) throws ExtractionException {
+    public PlaylistExtractor getPlaylistExtractor(String url) {
         return new SoundcloudPlaylistExtractor(this, url);
     }
 

src/main/java/org/schabi/newpipe/extractor/services/soundcloud/SoundcloudStreamExtractor.java

@@ -18,7 +18,7 @@ import java.util.*;
 public class SoundcloudStreamExtractor extends StreamExtractor {
     private JsonObject track;
 
-    public SoundcloudStreamExtractor(StreamingService service, String url) throws ExtractionException {
+    public SoundcloudStreamExtractor(StreamingService service, String url) {
         super(service, url);
     }
 

src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeChannelExtractor.java

@@ -60,10 +60,8 @@ public class YoutubeChannelExtractor extends ChannelExtractor {
      */
     //private boolean fetchingNextStreams;
 
-    public YoutubeChannelExtractor(StreamingService service, String url) throws ExtractionException {
+    public YoutubeChannelExtractor(StreamingService service, String url) {
         super(service, url);
-
-        //fetchingNextStreams = nextPageUrl != null && !nextPageUrl.isEmpty();
     }
 
     @Override

src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubePlaylistExtractor.java

@@ -31,7 +31,7 @@ public class YoutubePlaylistExtractor extends PlaylistExtractor {
      */
     private Document nextPageAjax;
 
-    public YoutubePlaylistExtractor(StreamingService service, String url) throws ExtractionException {
+    public YoutubePlaylistExtractor(StreamingService service, String url) {
         super(service, url);
     }
 

src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeService.java

@@ -65,17 +65,17 @@ public class YoutubeService extends StreamingService {
     }
 
     @Override
-    public StreamExtractor getStreamExtractor(String url) throws ExtractionException {
+    public StreamExtractor getStreamExtractor(String url) {
         return new YoutubeStreamExtractor(this, url);
     }
 
     @Override
-    public ChannelExtractor getChannelExtractor(String url) throws ExtractionException {
+    public ChannelExtractor getChannelExtractor(String url) {
         return new YoutubeChannelExtractor(this, url);
     }
 
     @Override
-    public PlaylistExtractor getPlaylistExtractor(String url) throws ExtractionException {
+    public PlaylistExtractor getPlaylistExtractor(String url) {
         return new YoutubePlaylistExtractor(this, url);
     }
 

src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeStreamExtractor.java

@@ -85,7 +85,7 @@ public class YoutubeStreamExtractor extends StreamExtractor {
 
     private boolean isAgeRestricted;
 
-    public YoutubeStreamExtractor(StreamingService service, String url) throws ExtractionException {
+    public YoutubeStreamExtractor(StreamingService service, String url) {
         super(service, url);
     }
 

src/main/java/org/schabi/newpipe/extractor/stream/StreamExtractor.java

@@ -39,7 +39,7 @@ public abstract class StreamExtractor extends Extractor {
 
     public static final int NO_AGE_LIMIT = 0;
 
-    public StreamExtractor(StreamingService service, String url) throws ExtractionException {
+    public StreamExtractor(StreamingService service, String url) {
         super(service, url);
     }
 

src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeStreamExtractorGemaTest.java

@@ -1,53 +0,0 @@
-package org.schabi.newpipe.extractor.services.youtube;
-
-import org.junit.Ignore;
-import org.junit.Test;
-import org.schabi.newpipe.Downloader;
-import org.schabi.newpipe.extractor.NewPipe;
-import org.schabi.newpipe.extractor.exceptions.ExtractionException;
-
-import java.io.IOException;
-
-import static org.junit.Assert.fail;
-import static org.schabi.newpipe.extractor.ServiceList.YouTube;
-
-/*
- * Created by Christian Schabesberger on 30.12.15.
- *
- * Copyright (C) Christian Schabesberger 2015 <chris.schabesberger@mailbox.org>
- * YoutubeVideoExtractorGema.java is part of NewPipe.
- *
- * NewPipe is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * NewPipe is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with NewPipe.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/**
- * This exception is only thrown in Germany.
- * <p>
- * WARNING: Deactivate this Test Case before uploading it to Github, otherwise CI will fail.
- */
-public class YoutubeStreamExtractorGemaTest {
-
-    @Test
-    @Ignore
-    public void testGemaError() throws IOException, ExtractionException {
-        try {
-            NewPipe.init(Downloader.getInstance());
-            YouTube.getStreamExtractor("https://www.youtube.com/watch?v=3O1_3zBUKM8");
-
-            fail("GemaException should be thrown");
-        } catch (YoutubeStreamExtractor.GemaException ignored) {
-            // Exception was thrown, Gema error detection is working.
-        }
-    }
-}