From 75fd1683d1171fad9ac1e16d0ac50f0148bba7b8 Mon Sep 17 00:00:00 2001
From: Florian Schmaus <flo@geekplace.eu>
Date: Sat, 17 Jan 2015 14:11:21 +0100
Subject: [PATCH] Fix stanzaIdAcknowledgedListeners not being called

Replace isNotEmpty(id) with isNullOrEmpty(id)
---
 .../main/java/org/jivesoftware/smack/tcp/XMPPTCPConnection.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/smack-tcp/src/main/java/org/jivesoftware/smack/tcp/XMPPTCPConnection.java b/smack-tcp/src/main/java/org/jivesoftware/smack/tcp/XMPPTCPConnection.java
index 3e71b3c27..10e4cca18 100644
--- a/smack-tcp/src/main/java/org/jivesoftware/smack/tcp/XMPPTCPConnection.java
+++ b/smack-tcp/src/main/java/org/jivesoftware/smack/tcp/XMPPTCPConnection.java
@@ -1688,7 +1688,7 @@ public class XMPPTCPConnection extends AbstractXMPPConnection {
                             }
                         }
                         String id = ackedStanza.getPacketID();
-                        if (StringUtils.isNotEmpty(id)) {
+                        if (StringUtils.isNullOrEmpty(id)) {
                             return;
                         }
                         PacketListener listener = stanzaIdAcknowledgedListeners.remove(id);