vanitasvitae/Smack
1
0
Fork 0
mirror of https://github.com/vanitasvitae/Smack.git synced 2024-11-29 07:22:07 +01:00
Code Issues Releases Wiki Activity

Fix NPE in MultiUserChatManager.getMultiUserchat()

Browse source 
Since the HashMap has WeakReferences as values, there are two levels at
which values could be null.
This commit is contained in:
Florian Schmaus 2014-10-20 21:12:51 +02:00
parent 5d963f7f9b
commit 47e327f2e6
1 changed files with 13 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
smack-extensions/src/main/java/org/jivesoftware/smackx/muc/MultiUserChatManager.java
View file

@ -150,11 +150,20 @@ public class MultiUserChatManager extends Manager {
* multi-user chat service is running. Make sure to provide a valid JID.
*/
public synchronized MultiUserChat getMultiUserChat(String jid) {
MultiUserChat multiUserChat = multiUserChats.get(jid).get();
if (multiUserChat == null) {
multiUserChat = new MultiUserChat(connection(), jid, this);
multiUserChats.put(jid, new WeakReference<MultiUserChat>(multiUserChat));
WeakReference<MultiUserChat> weakRefMultiUserChat = multiUserChats.get(jid);
if (weakRefMultiUserChat == null) {
return createNewMucAndAddToMap(jid);
}
MultiUserChat multiUserChat = weakRefMultiUserChat.get();
if (multiUserChat == null) {
return createNewMucAndAddToMap(jid);
}
return multiUserChat;
}
private MultiUserChat createNewMucAndAddToMap(String jid) {
MultiUserChat multiUserChat = new MultiUserChat(connection(), jid, this);
multiUserChats.put(jid, new WeakReference<MultiUserChat>(multiUserChat));
return multiUserChat;
}