package org.schabi.newpipe.database.playlist; import org.schabi.newpipe.database.LocalItem; import org.schabi.newpipe.database.playlist.model.PlaylistRemoteEntity; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.List; public interface PlaylistLocalItem extends LocalItem { String getOrderingName(); static List merge( final List localPlaylists, final List remotePlaylists) { final List items = new ArrayList<>( localPlaylists.size() + remotePlaylists.size()); items.addAll(localPlaylists); items.addAll(remotePlaylists); Collections.sort(items, Comparator.comparing(PlaylistLocalItem::getOrderingName, Comparator.nullsLast(String.CASE_INSENSITIVE_ORDER))); return items; } }