From 6ba03e542bac3a088787a5db556d97d6f1205dc0 Mon Sep 17 00:00:00 2001
From: wb9688 <wb9688@users.noreply.github.com>
Date: Fri, 28 Feb 2020 17:05:31 +0100
Subject: [PATCH] Cache getVideoTab()

---
 .../services/youtube/extractors/YoutubeChannelExtractor.java  | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeChannelExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeChannelExtractor.java
index 7b3f5b453..d82b36349 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeChannelExtractor.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeChannelExtractor.java
@@ -53,6 +53,7 @@ public class YoutubeChannelExtractor extends ChannelExtractor {
     /*package-private*/ static final String CHANNEL_URL_BASE = "https://www.youtube.com/channel/";
 
     private JsonObject initialData;
+    private JsonObject videoTab;
 
     public YoutubeChannelExtractor(StreamingService service, ListLinkHandler linkHandler) {
         super(service, linkHandler);
@@ -276,6 +277,8 @@ public class YoutubeChannelExtractor extends ChannelExtractor {
     }
 
     private JsonObject getVideoTab() throws ParsingException {
+        if (this.videoTab != null) return this.videoTab;
+
         JsonArray tabs = initialData.getObject("contents").getObject("twoColumnBrowseResultsRenderer")
                 .getArray("tabs");
         JsonObject videoTab = null;
@@ -301,6 +304,7 @@ public class YoutubeChannelExtractor extends ChannelExtractor {
                 return null;
         } catch (Exception ignored) {}
 
+        this.videoTab = videoTab;
         return videoTab;
     }
 }