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Use standard stanza listeners in MultiUserChat

Those, relatively new, listeners guarantee that the individual
listeners are not invoked in concurrently while preserving the
order. Exactly what MultiUserChat previously did with AsyncButOrdered,
which is now no longer needed and hence can be removed.
This commit is contained in:
Florian Schmaus 2019-11-06 18:44:07 +01:00
parent eb4c2c5572
commit a7a298c5d8

View file

@ -27,7 +27,6 @@ import java.util.concurrent.CopyOnWriteArraySet;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.jivesoftware.smack.AsyncButOrdered;
import org.jivesoftware.smack.MessageListener;
import org.jivesoftware.smack.PresenceListener;
import org.jivesoftware.smack.SmackException;
@ -144,8 +143,6 @@ public class MultiUserChat {
private final StanzaListener presenceListener;
private final StanzaListener subjectListener;
private static final AsyncButOrdered<MultiUserChat> asyncButOrdered = new AsyncButOrdered<>();
private static final StanzaFilter DECLINE_FILTER = new AndFilter(MessageTypeFilter.NORMAL,
new StanzaExtensionFilter(MUCUser.ELEMENT, MUCUser.NAMESPACE));
private final StanzaListener declinesListener;
@ -168,14 +165,9 @@ public class MultiUserChat {
public void processStanza(Stanza packet) throws NotConnectedException {
final Message message = (Message) packet;
asyncButOrdered.performAsyncButOrdered(MultiUserChat.this, new Runnable() {
@Override
public void run() {
for (MessageListener listener : messageListeners) {
for (MessageListener listener : messageListeners) {
listener.processMessage(message);
}
}
});
}
}
};
@ -188,15 +180,10 @@ public class MultiUserChat {
// Update the room subject
subject = msg.getSubject();
asyncButOrdered.performAsyncButOrdered(MultiUserChat.this, new Runnable() {
@Override
public void run() {
// Fire event for subject updated listeners
for (SubjectUpdatedListener listener : subjectUpdatedListeners) {
listener.subjectUpdated(msg.getSubject(), from);
}
}
});
// Fire event for subject updated listeners
for (SubjectUpdatedListener listener : subjectUpdatedListeners) {
listener.subjectUpdated(msg.getSubject(), from);
}
}
};
@ -212,66 +199,61 @@ public class MultiUserChat {
final EntityFullJid myRoomJID = myRoomJid;
final boolean isUserStatusModification = presence.getFrom().equals(myRoomJID);
asyncButOrdered.performAsyncButOrdered(MultiUserChat.this, new Runnable() {
@Override
public void run() {
switch (presence.getType()) {
case available:
Presence oldPresence = occupantsMap.put(from, presence);
if (oldPresence != null) {
// Get the previous occupant's affiliation & role
MUCUser mucExtension = MUCUser.from(oldPresence);
MUCAffiliation oldAffiliation = mucExtension.getItem().getAffiliation();
MUCRole oldRole = mucExtension.getItem().getRole();
// Get the new occupant's affiliation & role
mucExtension = MUCUser.from(packet);
MUCAffiliation newAffiliation = mucExtension.getItem().getAffiliation();
MUCRole newRole = mucExtension.getItem().getRole();
// Fire role modification events
checkRoleModifications(oldRole, newRole, isUserStatusModification, from);
// Fire affiliation modification events
checkAffiliationModifications(
oldAffiliation,
newAffiliation,
isUserStatusModification,
from);
switch (presence.getType()) {
case available:
Presence oldPresence = occupantsMap.put(from, presence);
if (oldPresence != null) {
// Get the previous occupant's affiliation & role
MUCUser mucExtension = MUCUser.from(oldPresence);
MUCAffiliation oldAffiliation = mucExtension.getItem().getAffiliation();
MUCRole oldRole = mucExtension.getItem().getRole();
// Get the new occupant's affiliation & role
mucExtension = MUCUser.from(packet);
MUCAffiliation newAffiliation = mucExtension.getItem().getAffiliation();
MUCRole newRole = mucExtension.getItem().getRole();
// Fire role modification events
checkRoleModifications(oldRole, newRole, isUserStatusModification, from);
// Fire affiliation modification events
checkAffiliationModifications(
oldAffiliation,
newAffiliation,
isUserStatusModification,
from);
}
else {
// A new occupant has joined the room
if (!isUserStatusModification) {
for (ParticipantStatusListener listener : participantStatusListeners) {
listener.joined(from);
}
else {
// A new occupant has joined the room
if (!isUserStatusModification) {
for (ParticipantStatusListener listener : participantStatusListeners) {
listener.joined(from);
}
}
}
break;
case unavailable:
occupantsMap.remove(from);
MUCUser mucUser = MUCUser.from(packet);
if (mucUser != null && mucUser.hasStatus()) {
// Fire events according to the received presence code
checkPresenceCode(
mucUser.getStatus(),
presence.getFrom().equals(myRoomJID),
mucUser,
from);
} else {
// An occupant has left the room
if (!isUserStatusModification) {
for (ParticipantStatusListener listener : participantStatusListeners) {
listener.left(from);
}
}
}
break;
default:
break;
}
for (PresenceListener listener : presenceListeners) {
listener.processPresence(presence);
}
}
});
break;
case unavailable:
occupantsMap.remove(from);
MUCUser mucUser = MUCUser.from(packet);
if (mucUser != null && mucUser.hasStatus()) {
// Fire events according to the received presence code
checkPresenceCode(
mucUser.getStatus(),
presence.getFrom().equals(myRoomJID),
mucUser,
from);
} else {
// An occupant has left the room
if (!isUserStatusModification) {
for (ParticipantStatusListener listener : participantStatusListeners) {
listener.left(from);
}
}
}
break;
default:
break;
}
for (PresenceListener listener : presenceListeners) {
listener.processPresence(presence);
}
}
};
@ -341,13 +323,13 @@ public class MultiUserChat {
Presence joinPresence = conf.getJoinPresence(this);
// Setup the messageListeners and presenceListeners *before* the join presence is send.
connection.addSyncStanzaListener(messageListener, fromRoomGroupchatFilter);
connection.addStanzaListener(messageListener, fromRoomGroupchatFilter);
StanzaFilter presenceFromRoomFilter = new AndFilter(fromRoomFilter,
StanzaTypeFilter.PRESENCE,
PossibleFromTypeFilter.ENTITY_FULL_JID);
connection.addSyncStanzaListener(presenceListener, presenceFromRoomFilter);
connection.addStanzaListener(presenceListener, presenceFromRoomFilter);
// @formatter:off
connection.addSyncStanzaListener(subjectListener,
connection.addStanzaListener(subjectListener,
new AndFilter(fromRoomFilter,
MessageWithSubjectFilter.INSTANCE,
new NotFilter(MessageTypeFilter.ERROR),
@ -357,7 +339,7 @@ public class MultiUserChat {
new NotFilter(MessageWithThreadFilter.INSTANCE))
);
// @formatter:on
connection.addSyncStanzaListener(declinesListener, new AndFilter(fromRoomFilter, DECLINE_FILTER));
connection.addStanzaListener(declinesListener, new AndFilter(fromRoomFilter, DECLINE_FILTER));
connection.addStanzaSendingListener(presenceInterceptor, new AndFilter(ToMatchesFilter.create(room),
StanzaTypeFilter.PRESENCE));
messageCollector = connection.createStanzaCollector(fromRoomGroupchatFilter);
@ -2118,10 +2100,10 @@ public class MultiUserChat {
* connection.
*/
private void removeConnectionCallbacks() {
connection.removeSyncStanzaListener(messageListener);
connection.removeSyncStanzaListener(presenceListener);
connection.removeSyncStanzaListener(subjectListener);
connection.removeSyncStanzaListener(declinesListener);
connection.removeStanzaListener(messageListener);
connection.removeStanzaListener(presenceListener);
connection.removeStanzaListener(subjectListener);
connection.removeStanzaListener(declinesListener);
connection.removeStanzaSendingListener(presenceInterceptor);
if (messageCollector != null) {
messageCollector.cancel();