Mercury-IM/Smack
Mercury-IM/Smack
1
0
Fork 0
mirror of https://codeberg.org/Mercury-IM/Smack synced 2024-12-22 20:47:57 +01:00
Code Issues Releases Wiki Activity

Ensure sync listeners not being called after they removed themselves

Browse source
This commit is contained in:
Florian Schmaus 2018-11-02 21:51:09 +01:00
parent 004b849bc3
commit 5c090c35d4
1 changed files with 14 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
smack-core/src/main/java/org/jivesoftware/smack/AbstractXMPPConnection.java
View file

@ -22,6 +22,7 @@ import java.io.Writer;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
@ -1220,6 +1221,19 @@ public abstract class AbstractXMPPConnection implements XMPPConnection {
ASYNC_BUT_ORDERED.performAsyncButOrdered(this, new Runnable() {
@Override
public void run() {
// As listeners are able to remove themselves and because the timepoint where it is decided to invoke a
// listener is a different timepoint where the listener is actually invoked (here), we have to check
// again if the listener is still active.
Iterator<StanzaListener> it = listenersToNotify.iterator();
synchronized (syncRecvListeners) {
while (it.hasNext()) {
StanzaListener stanzaListener = it.next();
if (!syncRecvListeners.containsKey(stanzaListener)) {
// The listener was removed from syncRecvListener, also remove him from listenersToNotify.
it.remove();
}
}
}
for (StanzaListener listener : listenersToNotify) {
try {
listener.processStanza(packet);