add error handling to suggestions

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

@@ -76,8 +76,11 @@ public class ErrorActivity extends AppCompatActivity {
     public static final String TAG = ErrorActivity.class.toString();
     public static final int SEARCHED = 0;
     public static final int REQUESTED_STREAM = 1;
-    public static final String SEARCHED_STRING = "Searched";
+    public static final int GET_SUGGESTIONS = 2;
-    public static final String REQUESTED_STREAM_STRING = "Requested Stream";
+    public static final String SEARCHED_STRING = "searched";
+    public static final String REQUESTED_STREAM_STRING = "requested stream";
+    public static final String GET_SUGGESTIONS_STRING = "get suggestions";
+
     public static final String ERROR_EMAIL_ADDRESS = "crashreport@newpipe.schabi.org";
     public static final String ERROR_EMAIL_SUBJECT = "Exception in NewPipe " + BuildConfig.VERSION_NAME;
 
@@ -303,6 +306,8 @@ public class ErrorActivity extends AppCompatActivity {
                 return REQUESTED_STREAM_STRING;
             case SEARCHED:
                 return SEARCHED_STRING;
+            case GET_SUGGESTIONS:
+                return GET_SUGGESTIONS_STRING;
             default:
                 return "Your description is in another castle.";
         }

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

@@ -172,11 +172,17 @@ public class VideoItemListActivity extends AppCompatActivity
                 ArrayList<String>suggestions = engine.suggestionList(query,searchLanguage,new Downloader());
                 h.post(new SuggestionResultRunnable(suggestions));
             } catch (ExtractionException e) {
-                postNewErrorToast(h, R.string.parsing_error);
+                ErrorActivity.reportError(h, VideoItemListActivity.this, e, null, findViewById(R.id.videoitem_list),
+                        ErrorActivity.ErrorInfo.make(ErrorActivity.SEARCHED,
+                        /* todo: this shoudl not be assigned static */ "Youtube", query, R.string.parsing_error));
                 e.printStackTrace();
             } catch (IOException e) {
                 postNewErrorToast(h, R.string.network_error);
                 e.printStackTrace();
+            } catch (Exception e) {
+                ErrorActivity.reportError(h, VideoItemListActivity.this, e, null, findViewById(R.id.videoitem_list),
+                        ErrorActivity.ErrorInfo.make(ErrorActivity.SEARCHED,
+                        /* todo: this shoudl not be assigned static */ "Youtube", query, R.string.general_error));
             }
         }
     }

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

@@ -151,8 +151,6 @@ public class VideoItemListFragment extends ListFragment {
                         /* todo: this shoudl not be assigned static */ "Youtube", query, R.string.general_error));
 
                 e.printStackTrace();
-            } finally {
-
             }
         }
     }

app/src/main/java/org/schabi/newpipe/extractor/ParsingException.java

@@ -25,9 +25,6 @@ public class ParsingException extends ExtractionException {
     public ParsingException(String message) {
         super(message);
     }
-    public ParsingException(Throwable cause) {
-        super(cause);
-    }
     public ParsingException(String message, Throwable cause) {
         super(message, cause);
     }

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

@@ -44,9 +44,6 @@ public interface StreamExtractor {
         public ContentNotAvailableException(String message) {
             super(message);
         }
-        public ContentNotAvailableException(Throwable cause) {
-            super(cause);
-        }
         public ContentNotAvailableException(String message, Throwable cause) {
             super(message, cause);
         }

app/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeSearchEngine.java

@@ -137,8 +137,6 @@ public class YoutubeSearchEngine implements SearchEngine {
 
         String response = dl.download(url);
 
-        try {
-
         //TODO: Parse xml data using Jsoup not done
         DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
         DocumentBuilder dBuilder;
@@ -150,10 +148,10 @@ public class YoutubeSearchEngine implements SearchEngine {
                     new ByteArrayInputStream(response.getBytes("utf-8"))));
             doc.getDocumentElement().normalize();
         } catch (ParserConfigurationException | SAXException | IOException e) {
-                e.printStackTrace();
+            throw new ParsingException("Could not parse document.");
         }
 
-            if (doc != null) {
+        try {
             NodeList nList = doc.getElementsByTagName("CompleteSuggestion");
             for (int temp = 0; temp < nList.getLength(); temp++) {
 
@@ -164,12 +162,9 @@ public class YoutubeSearchEngine implements SearchEngine {
                     suggestions.add(eElement.getAttribute("data"));
                 }
             }
-            } else {
-                Log.e(TAG, "GREAT FUCKING ERROR");
-            }
             return suggestions;
         } catch(Exception e) {
-            throw new ParsingException(e);
+            throw new ParsingException("Could not get suggestions form document.", e);
         }
     }
 

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

@@ -52,9 +52,6 @@ public class YoutubeStreamExtractor implements StreamExtractor {
     // exceptions
 
     public class DecryptException extends ParsingException {
-        DecryptException(Throwable cause) {
-            super(cause);
-        }
         DecryptException(String message, Throwable cause) {
             super(message, cause);
         }
@@ -718,7 +715,7 @@ public class YoutubeStreamExtractor implements StreamExtractor {
                 info.thumbnail_url = "https:" + info.thumbnail_url;
             }
         } catch (Exception e) {
-            throw new ParsingException(e);
+            throw new ParsingException("Could not get video preview info", e);
         }
         return info;
     }
@@ -772,7 +769,7 @@ public class YoutubeStreamExtractor implements StreamExtractor {
             Function decryptionFunc = (Function) scope.get("decrypt", scope);
             result = decryptionFunc.call(context, scope, scope, new Object[]{encryptedSig});
         } catch (Exception e) {
-            throw new DecryptException(e);
+            throw new DecryptException("could not get decrypt signature", e);
         } finally {
             Context.exit();
         }