fix: delete potential null access

diff --git a/src/com/ranfa/lib/Scraping.java b/src/com/ranfa/lib/Scraping.java
index 219e912..f764f4b 100644 (file)
--- a/src/com/ranfa/lib/Scraping.java
+++ b/src/com/ranfa/lib/Scraping.java
@@ -218,7 +218,11 @@ public class Scraping {
                        e.printStackTrace();
                }
                ArrayList<Song> res = new ArrayList<Song>();
-               res.addAll(property.getList());
+               if(property != null) {
+                       res.addAll(property.getList());
+               } else {
+                       throw new NullPointerException("json is null.");
+               }
                logger.info("JSON reading compeleted in " + (System.currentTimeMillis() - time) + "ms");
                return res;
        }