From 254c4a450a67d0208bdb49438fc7b54e2711e892 Mon Sep 17 00:00:00 2001
From: Gaston Dombiak <gaston@jivesoftware.com>
Date: Fri, 4 Nov 2005 19:51:29 +0000
Subject: [PATCH] Do not broadcast events for empty collections. SMACK-106

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@3033 b35dd754-fafc-0310-a699-88a17e54d16e
---
 source/org/jivesoftware/smack/Roster.java | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/source/org/jivesoftware/smack/Roster.java b/source/org/jivesoftware/smack/Roster.java
index 614dcb0be..7bf825a34 100644
--- a/source/org/jivesoftware/smack/Roster.java
+++ b/source/org/jivesoftware/smack/Roster.java
@@ -565,9 +565,15 @@ public class Roster {
             rosterListeners.toArray(listeners);
         }
         for (int i=0; i<listeners.length; i++) {
-            listeners[i].entriesAdded(addedEntries);
-            listeners[i].entriesUpdated(updatedEntries);
-            listeners[i].entriesDeleted(deletedEntries);
+            if (!addedEntries.isEmpty()) {
+                listeners[i].entriesAdded(addedEntries);
+            }
+            if (!updatedEntries.isEmpty()) {
+                listeners[i].entriesUpdated(updatedEntries);
+            }
+            if (!deletedEntries.isEmpty()) {
+                listeners[i].entriesDeleted(deletedEntries);
+            }
         }
     }