Added sanity check for length of string and corrected -2 to -1.

2024-04-22 22:00:34 +02:00
parent fcd527160c
commit 8d59b1451a
1 changed files with 4 additions and 2 deletions
--- a/src/main/java/vslab1/src/Sending/Data/PeerNotification.java
+++ b/src/main/java/vslab1/src/Sending/Data/PeerNotification.java
@@ -37,8 +37,10 @@ public record PeerNotification(Peer sender, Peer receiver) implements Sendable {
            fileList += file.getKey() + ",";
        }

-        // Remove last comma
-        fileList = fileList.substring(0, fileList.length() - 2);
+        // Remove last comma if fileList contains at least one file that has name of one char
+        if (fileList.length() >= 2) {
+            fileList = fileList.substring(0, fileList.length() - 1);
+        }

        String response = 
            "{\"peer\":\"\"" +