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Code Issues Releases Wiki Activity

Make getMessages() set up collector *before* sending the request

Browse source 
Similar flaw was also fixed in 2c7f1efe80.

Also ensure that OfflineMessagesManager doesn't leak collector by using
a try/finally block.

Fixes SMACK-592
This commit is contained in:
Florian Schmaus 2014-08-04 12:19:58 +02:00
parent a574e1d56d
commit d65d239550
1 changed files with 26 additions and 17 deletions
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43
smack-extensions/src/main/java/org/jivesoftware/smackx/offline/OfflineMessageManager.java
View file

@ -156,20 +156,24 @@ public class OfflineMessageManager {
}
});
PacketCollector messageCollector = connection.createPacketCollector(messageFilter);
connection.createPacketCollectorAndSend(request).nextResultOrThrow();
// Collect the received offline messages
Message message = (Message) messageCollector.nextResult();
while (message != null) {
messages.add(message);
message = (Message) messageCollector.nextResult();
try {
connection.createPacketCollectorAndSend(request).nextResultOrThrow();
// Collect the received offline messages
Message message = (Message) messageCollector.nextResult();
while (message != null) {
messages.add(message);
message = (Message) messageCollector.nextResult();
}
}
finally {
// Stop queuing offline messages
messageCollector.cancel();
}
// Stop queuing offline messages
messageCollector.cancel();
return messages;
}
/**
* Returns an Iterator with all the offline <tt>Messages</tt> of the user. The returned offline
* Returns a List of Messages with all the offline <tt>Messages</tt> of the user. The returned offline
* messages will not be deleted from the server. Use {@link #deleteMessages(java.util.List)}
* to delete the messages.
*
@ -183,17 +187,22 @@ public class OfflineMessageManager {
List<Message> messages = new ArrayList<Message>();
OfflineMessageRequest request = new OfflineMessageRequest();
request.setFetch(true);
connection.createPacketCollectorAndSend(request).nextResultOrThrow();
PacketCollector messageCollector = connection.createPacketCollector(packetFilter);
// Collect the received offline messages
Message message = (Message) messageCollector.nextResult();
while (message != null) {
messages.add(message);
message = (Message) messageCollector.nextResult();
try {
connection.createPacketCollectorAndSend(request).nextResultOrThrow();
// Collect the received offline messages
Message message = (Message) messageCollector.nextResult();
while (message != null) {
messages.add(message);
message = (Message) messageCollector.nextResult();
}
}
finally {
// Stop queuing offline messages
messageCollector.cancel();
}
// Stop queuing offline messages
messageCollector.cancel();
return messages;
}