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Code Issues Releases Wiki Activity

Added support for offline presence, code cleanup (SMACK-74, SMACK-201).

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git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@7185 b35dd754-fafc-0310-a699-88a17e54d16e
This commit is contained in:
Matt Tucker 2007-02-19 08:35:05 +00:00 • committed by matt
parent fb0cb0476a
commit 2e5f42aa39
3 changed files with 148 additions and 85 deletions
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166
source/org/jivesoftware/smack/Roster.java
View file

@ -47,7 +47,7 @@ import java.util.concurrent.CopyOnWriteArrayList;
* @see XMPPConnection#getRoster()
* @author Matt Tucker
*/
public class Roster implements ConnectionListener {
public class Roster {
/**
* The default subscription processing mode to use when a Roster is created. By default
@ -64,7 +64,7 @@ public class Roster implements ConnectionListener {
// The roster is marked as initialized when at least a single roster packet
// has been recieved and processed.
boolean rosterInitialized = false;
private PresencePacketListener presencePacket;
private PresencePacketListener presencePacketListener;
private SubscriptionMode subscriptionMode = getDefaultSubscriptionMode();
@ -109,10 +109,32 @@ public class Roster implements ConnectionListener {
connection.addPacketListener(new RosterPacketListener(), rosterFilter);
// Listen for any presence packets.
PacketFilter presenceFilter = new PacketTypeFilter(Presence.class);
presencePacket = new PresencePacketListener();
connection.addPacketListener(presencePacket, presenceFilter);
presencePacketListener = new PresencePacketListener();
connection.addPacketListener(presencePacketListener, presenceFilter);
// Listen for connection events
connection.addConnectionListener(this);
connection.addConnectionListener(new ConnectionListener() {
public void connectionClosed() {
// Changes the presence available contacts to unavailable
setOfflinePresences();
}
public void connectionClosedOnError(Exception e) {
// Changes the presence available contacts to unavailable
setOfflinePresences();
}
public void reconnectingIn(int seconds) {
// Ignore
}
public void reconnectionFailed(Exception e) {
// Ignore
}
public void reconnectionSuccessful() {
// Ignore
}
});
}
/**
@ -302,25 +324,6 @@ public class Roster implements ConnectionListener {
return Collections.unmodifiableCollection(allEntries);
}
/**
* Changes the presence of available contacts offline by simulating an unavailable
* presence sent from the server. After a disconnection, every Presence is set
* to offline.
*/
private void setOfflinePresences() {
Presence packetUnavailable;
for (String user : presenceMap.keySet()) {
Map<String, Presence> resources = presenceMap.get(user);
if (resources != null) {
for (String resource : resources.keySet()) {
packetUnavailable = new Presence(Presence.Type.unavailable);
packetUnavailable.setFrom(user + "/" + resource);
presencePacket.processPacket(packetUnavailable);
}
}
}
}
/**
* Returns a count of the unfiled entries in the roster. An unfiled entry is
* an entry that doesn't belong to any groups.
@ -365,8 +368,9 @@ public class Roster implements ConnectionListener {
/**
* Returns true if the specified XMPP address is an entry in the roster.
*
* @param user the XMPP address of the user (eg "jsmith@example.com"). The address could be
* in any valid format (e.g. "domain/resource", "user@domain" or "user@domain/resource").
* @param user the XMPP address of the user (eg "jsmith@example.com"). The
* address could be in any valid format (e.g. "domain/resource",
* "user@domain" or "user@domain/resource").
* @return true if the XMPP address is an entry in the roster.
*/
public boolean contains(String user) {
@ -500,8 +504,9 @@ public class Roster implements ConnectionListener {
/**
* Returns an iterator (of Presence objects) for all of a user's current presences
* or an unavailable presence if the user is unavailable (offline) or if no presence information
* is available, such as when you are not subscribed to the user's presence updates.
* or an unavailable presence if the user is unavailable (offline) or if no presence
* information is available, such as when you are not subscribed to the user's presence
* updates.
*
* @param user a XMPP ID, e.g. jdoe@example.com.
* @return an iterator (of Presence objects) for all the user's current presences,
@ -515,22 +520,29 @@ public class Roster implements ConnectionListener {
return Arrays.asList(new Presence(Presence.Type.unavailable)).iterator();
}
else {
synchronized (userPresences) {
return new HashMap<String, Presence>(userPresences).values().iterator();
}
return userPresences.values().iterator();
}
}
/**
* Returns the key to use in the presenceMap for a fully qualified XMPP ID. The roster
* can contain any valid address format such us "domain/resource", "user@domain" or
* "user@domain/resource". If the roster contains an entry associated with the fully qualified
* XMPP ID then use the fully qualified XMPP ID as the key in presenceMap, otherwise use the
* bare address. Note: When the key in presenceMap is a fully qualified XMPP ID, the
* userPresences is useless since it will always contain one entry for the user.
* Cleans up all resources used by the roster.
*/
void cleanup() {
rosterListeners.clear();
}
/**
* Returns the key to use in the presenceMap for a fully qualified XMPP ID.
* The roster can contain any valid address format such us "domain/resource",
* "user@domain" or "user@domain/resource". If the roster contains an entry
* associated with the fully qualified XMPP ID then use the fully qualified XMPP
* ID as the key in presenceMap, otherwise use the bare address. Note: When the
* key in presenceMap is a fully qualified XMPP ID, the userPresences is useless
* since it will always contain one entry for the user.
*
* @param user the bare or fully qualified XMPP ID, e.g. jdoe@example.com or jdoe@example.com/Work.
* @return the key to use in the presenceMap for the fully qualified xmpp ID.
* @param user the bare or fully qualified XMPP ID, e.g. jdoe@example.com or
* jdoe@example.com/Work.
* @return the key to use in the presenceMap for the fully qualified XMPP ID.
*/
private String getPresenceMapKey(String user) {
if (user == null) {
@ -543,6 +555,25 @@ public class Roster implements ConnectionListener {
return key.toLowerCase();
}
/**
* Changes the presence of available contacts offline by simulating an unavailable
* presence sent from the server. After a disconnection, every Presence is set
* to offline.
*/
private void setOfflinePresences() {
Presence packetUnavailable;
for (String user : presenceMap.keySet()) {
Map<String, Presence> resources = presenceMap.get(user);
if (resources != null) {
for (String resource : resources.keySet()) {
packetUnavailable = new Presence(Presence.Type.unavailable);
packetUnavailable.setFrom(user + "/" + resource);
presencePacketListener.processPacket(packetUnavailable);
}
}
}
}
/**
* Fires roster changed event to roster listeners indicating that the
* specified collections of contacts have been added, updated or deleted
@ -614,8 +645,9 @@ public class Roster implements ConnectionListener {
String from = presence.getFrom();
String key = getPresenceMapKey(from);
// If an "available" packet, add it to the presence map. Each presence map will hold
// for a particular user a map with the presence packets saved for each resource.
// If an "available" presence, add it to the presence map. Each presence
// map will hold for a particular user a map with the presence
// packets saved for each resource.
if (presence.getType() == Presence.Type.available) {
Map<String, Presence> userPresences;
// Get the user presence map
@ -626,10 +658,11 @@ public class Roster implements ConnectionListener {
else {
userPresences = presenceMap.get(key);
}
// See if an offline presence was being stored in the map. If so, remove
// it since we now have an online presence.
userPresences.remove("");
// Add the new presence, using the resources as a key.
synchronized (userPresences) {
userPresences.put(StringUtils.parseResource(from), presence);
}
userPresences.put(StringUtils.parseResource(from), presence);
// If the user is in the roster, fire an event.
for (RosterEntry entry : entries) {
if (entry.getUser().equals(key)) {
@ -637,13 +670,26 @@ public class Roster implements ConnectionListener {
}
}
}
// If an "unavailable" packet, remove any entries in the presence map.
// If an "unavailable" packet.
else if (presence.getType() == Presence.Type.unavailable) {
if (presenceMap.get(key) != null) {
Map<String, Presence> userPresences = presenceMap.get(key);
synchronized (userPresences) {
userPresences.remove(StringUtils.parseResource(from));
// If no resource, this is likely an offline presence as part of
// a roster presence flood. In that case, we store it.
if ("".equals(StringUtils.parseResource(from))) {
Map<String, Presence> userPresences;
// Get the user presence map
if (presenceMap.get(key) == null) {
userPresences = new ConcurrentHashMap<String, Presence>();
presenceMap.put(key, userPresences);
}
else {
userPresences = presenceMap.get(key);
}
userPresences.put("", presence);
}
// Otherwise, this is a normal offline presence.
else if (presenceMap.get(key) != null) {
Map<String, Presence> userPresences = presenceMap.get(key);
userPresences.remove(StringUtils.parseResource(from));
if (userPresences.isEmpty()) {
presenceMap.remove(key);
}
@ -809,26 +855,4 @@ public class Roster implements ConnectionListener {
fireRosterChangedEvent(addedEntries, updatedEntries, deletedEntries);
}
}
public void connectionClosed() {
// Changes the presence available contacts to unavailable
this.setOfflinePresences();
}
public void connectionClosedOnError(Exception e) {
// Changes the presence available contacts to unavailable
this.setOfflinePresences();
}
public void reconnectingIn(int seconds) {
// Ignore
}
public void reconnectionFailed(Exception e) {
// Ignore
}
public void reconnectionSuccessful() {
// Ignore
}
}

7
source/org/jivesoftware/smack/XMPPConnection.java
View file

@ -630,11 +630,12 @@ public class XMPPConnection {
* @param unavailablePresence the presence packet to send during shutdown.
*/
public void disconnect(Presence unavailablePresence) {
this.shutdown(unavailablePresence);
shutdown(unavailablePresence);
this.roster = null;
roster.cleanup();
roster = null;
this.wasAuthenticated = false;
wasAuthenticated = false;
packetWriter.cleanup();
packetWriter = null;