Use string builder instead of string join. (#42)

bunq · May 5, 2018 · db9c94f · db9c94f
1 parent e8b869b
commit db9c94f
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/src/main/java/com/bunq/sdk/exception/ExceptionFactory.java b/src/main/java/com/bunq/sdk/exception/ExceptionFactory.java
@@ -56,7 +56,14 @@ public static ApiException createExceptionForResponse(int responseCode, List<Str
   }
 
   private static String concatenateAllMessage(List<String> messages, String responseId) {
-    return String.format(FORMAT_ERROR_MESSAGE, responseId, String.join(SEPARATOR_ERROR_MESSAGES, messages));
+    StringBuilder stringBuilder = new StringBuilder();
+
+    for (String message : messages) {
+      stringBuilder.append(SEPARATOR_ERROR_MESSAGES);
+      stringBuilder.append(message);
+    }
+
+    return String.format(FORMAT_ERROR_MESSAGE, responseId, stringBuilder.toString());
   }
 
 }