From ec4329896437df1975a98f326f0ffcff9d19e8b1 Mon Sep 17 00:00:00 2001
From: Aloofwisdom <58632091+Aloofwisdom@users.noreply.github.com>
Date: Sun, 25 Apr 2021 09:58:13 +0800
Subject: [PATCH] update for fix issue #6199, replace null with emptyList() to
 avoid null check.

Co-authored-by: Christoph <siedlerkiller@gmail.com>
---
 .../jabref/logic/importer/fileformat/EndnoteXmlImporter.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/org/jabref/logic/importer/fileformat/EndnoteXmlImporter.java b/src/main/java/org/jabref/logic/importer/fileformat/EndnoteXmlImporter.java
index 81c4fe316d9b..6927b639cd0a 100644
--- a/src/main/java/org/jabref/logic/importer/fileformat/EndnoteXmlImporter.java
+++ b/src/main/java/org/jabref/logic/importer/fileformat/EndnoteXmlImporter.java
@@ -261,7 +261,7 @@ private Optional<String> getUrl(Record record) {
 
     private Optional<String> getUrlValue(Url url) {
         Optional<List<Object>> urlContent = Optional.ofNullable(url).map(Url::getContent);
-        List<Object> list = urlContent.orElse(null);
+        List<Object> list = urlContent.orElse(Collections.emptyList());
         Optional<String> ret;
         if (list==null || list.size() == 0) {
             return Optional.empty();