Issue 6238 - Download/store notifications.json

adblockplussbrowser/src/main/java/org/adblockplus/sbrowser/contentblocker/engine/Subscription.java

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 588 matching lines @@
 
     this.serializeMetaData(metaFile);
     if (filtersChanged)
     {
       this.serializeFilters(filtersFile);
       this.clearFilters();
     }
 
     return filtersChanged;
   }
+
+  void updateNotification(final int responseCode, final String text, final File notificationDataFile,
+      final File metaFile) throws IOException
+  {
+    if (responseCode != 200 || text == null)
+    {
+      this.meta.put(KEY_TRIED_UPDATE_TIMESTAMP, Long.toString(System.currentTimeMillis()));
+    }
+    else
+    {
+      this.meta.put(KEY_UPDATE_TIMESTAMP, Long.toString(System.currentTimeMillis()));
+      saveNotificationData(notificationDataFile, text);
+    }
+    serializeMetaData(metaFile);
+  }
+
+  private void saveNotificationData(final File filtersFile, final String text)
+  {
+    try (final DataOutputStream outputStream = new DataOutputStream(new BufferedOutputStream(
+        new GZIPOutputStream(new FileOutputStream(filtersFile)))))
+    {
+      outputStream.write(text.getBytes());
+    }
+    catch (IOException e)
+    {
+      Log.d(TAG, "Failed to write notification data to internal storage.", e);
+    }
+  }
 }