implement Dbus sync methods (#737)

[signal-cli] / src / main / java / org / asamk / signal / util / Hex.java

diff --git a/src/main/java/org/asamk/signal/util/Hex.java b/src/main/java/org/asamk/signal/util/Hex.java
index f5f7a6adeaaf0b23741457112f25f3ff4dae5868..596f23a96a64c658de0490432bd5fc7a107df2cd 100644 (file)
--- a/src/main/java/org/asamk/signal/util/Hex.java
+++ b/src/main/java/org/asamk/signal/util/Hex.java
@@ -8,11 +8,16 @@ public class Hex {
     }
 
     public static String toString(byte[] bytes) {
+        if (bytes.length == 0) {
+            return "";
+        }
+
         var buf = new StringBuffer();
         for (final var aByte : bytes) {
             appendHexChar(buf, aByte);
             buf.append(" ");
         }
+        buf.deleteCharAt(buf.length() - 1);
         return buf.toString();
     }