mirror of
https://codeberg.org/Mercury-IM/Smack
synced 2024-11-27 00:32:07 +01:00
Removed extra synchronization (SMACK-177).
git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@5645 b35dd754-fafc-0310-a699-88a17e54d16e
This commit is contained in:
Matt Tucker
matt
parent
48fac74878
commit
998172b111
1 changed files with 42 additions and 73 deletions
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@ -31,6 +31,7 @@ import org.jivesoftware.smack.util.StringUtils;
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import java.util.*;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.CopyOnWriteArrayList;
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/**
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* Represents a user's roster, which is the collection of users a person receives
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@ -99,10 +100,10 @@ public class Roster implements ConnectionListener {
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Roster(final XMPPConnection connection) {
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this.connection = connection;
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groups = new ConcurrentHashMap<String,RosterGroup>();
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unfiledEntries = new ArrayList<RosterEntry>();
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entries = new ArrayList<RosterEntry>();
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rosterListeners = new ArrayList<RosterListener>();
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presenceMap = new HashMap<String, Map<String, Presence>>();
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unfiledEntries = new CopyOnWriteArrayList<RosterEntry>();
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entries = new CopyOnWriteArrayList<RosterEntry>();
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rosterListeners = new CopyOnWriteArrayList<RosterListener>();
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presenceMap = new ConcurrentHashMap<String, Map<String, Presence>>();
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// Listen for any roster packets.
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PacketFilter rosterFilter = new PacketTypeFilter(RosterPacket.class);
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connection.addPacketListener(new RosterPacketListener(), rosterFilter);
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@ -160,12 +161,10 @@ public class Roster implements ConnectionListener {
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* @param rosterListener a roster listener.
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*/
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public void addRosterListener(RosterListener rosterListener) {
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synchronized (rosterListeners) {
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if (!rosterListeners.contains(rosterListener)) {
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rosterListeners.add(rosterListener);
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}
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}
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}
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/**
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* Removes a listener from this roster. The listener will be fired anytime one or more
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@ -174,10 +173,8 @@ public class Roster implements ConnectionListener {
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* @param rosterListener a roster listener.
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*/
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public void removeRosterListener(RosterListener rosterListener) {
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synchronized (rosterListeners) {
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rosterListeners.remove(rosterListener);
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}
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}
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/**
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* Creates a new group.<p>
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@ -189,7 +186,6 @@ public class Roster implements ConnectionListener {
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* @return a new group.
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*/
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public RosterGroup createGroup(String name) {
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synchronized (groups) {
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if (groups.containsKey(name)) {
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throw new IllegalArgumentException("Group with name " + name + " alread exists.");
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}
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@ -197,7 +193,6 @@ public class Roster implements ConnectionListener {
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groups.put(name, group);
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return group;
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}
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}
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/**
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* Creates a new roster entry and presence subscription. The server will asynchronously
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@ -207,6 +202,7 @@ public class Roster implements ConnectionListener {
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* @param name the nickname of the user.
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* @param groups the list of group names the entry will belong to, or <tt>null</tt> if the
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* the roster entry won't belong to a group.
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* @throws XMPPException if an XMPP exception occurs.
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*/
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public void createEntry(String user, String name, String [] groups) throws XMPPException {
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// Create and send roster entry creation packet.
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@ -248,15 +244,14 @@ public class Roster implements ConnectionListener {
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* to send an updated subscription status.
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*
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* @param entry a roster entry.
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* @throws XMPPException if an XMPP error occurs.
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*/
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public void removeEntry(RosterEntry entry) throws XMPPException {
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// Only remove the entry if it's in the entry list.
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// The actual removal logic takes place in RosterPacketListenerprocess>>Packet(Packet)
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synchronized (entries) {
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if (!entries.contains(entry)) {
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return;
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}
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}
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RosterPacket packet = new RosterPacket();
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packet.setType(IQ.Type.SET);
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RosterPacket.Item item = RosterEntry.toRosterItem(entry);
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@ -302,9 +297,8 @@ public class Roster implements ConnectionListener {
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allEntries.addAll(rosterGroup.getEntries());
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}
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// Add the roster unfiled entries to the answer
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synchronized (unfiledEntries) {
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allEntries.addAll(unfiledEntries);
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}
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return Collections.unmodifiableCollection(allEntries);
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}
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@ -334,10 +328,8 @@ public class Roster implements ConnectionListener {
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* @return the number of unfiled entries in the roster.
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*/
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public int getUnfiledEntryCount() {
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synchronized (unfiledEntries) {
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return unfiledEntries.size();
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}
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}
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/**
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* Returns an unmodifiable collection for the unfiled roster entries. An unfiled entry is
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@ -346,9 +338,7 @@ public class Roster implements ConnectionListener {
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* @return the unfiled roster entries.
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*/
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public Collection<RosterEntry> getUnfiledEntries() {
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synchronized (unfiledEntries) {
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return Collections.unmodifiableList(new ArrayList<RosterEntry>(unfiledEntries));
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}
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return Collections.unmodifiableList(unfiledEntries);
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}
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/**
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@ -364,13 +354,11 @@ public class Roster implements ConnectionListener {
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return null;
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}
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String userLowerCase = user.toLowerCase();
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synchronized (entries) {
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for (RosterEntry entry : entries) {
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if (entry.getUser().equals(userLowerCase)) {
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return entry;
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}
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}
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}
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return null;
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}
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@ -539,13 +527,9 @@ public class Roster implements ConnectionListener {
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* @param deletedEntries the collection of address of the deleted contacts.
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*/
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private void fireRosterChangedEvent(Collection addedEntries, Collection updatedEntries,
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Collection deletedEntries) {
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RosterListener [] listeners;
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synchronized (rosterListeners) {
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listeners = new RosterListener[rosterListeners.size()];
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rosterListeners.toArray(listeners);
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}
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for (RosterListener listener : listeners) {
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Collection deletedEntries)
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{
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for (RosterListener listener : rosterListeners) {
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if (!addedEntries.isEmpty()) {
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listener.entriesAdded(addedEntries);
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}
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@ -560,14 +544,11 @@ public class Roster implements ConnectionListener {
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/**
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* Fires roster presence changed event to roster listeners.
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*
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* @param user the user with a presence change.
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*/
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private void fireRosterPresenceEvent(String user) {
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RosterListener [] listeners;
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synchronized (rosterListeners) {
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listeners = new RosterListener[rosterListeners.size()];
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rosterListeners.toArray(listeners);
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}
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for (RosterListener listener : listeners) {
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for (RosterListener listener : rosterListeners) {
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listener.presenceChanged(user);
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}
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}
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@ -624,14 +605,12 @@ public class Roster implements ConnectionListener {
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userPresences.put(StringUtils.parseResource(from), presence);
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}
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// If the user is in the roster, fire an event.
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synchronized (entries) {
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for (RosterEntry entry : entries) {
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if (entry.getUser().equals(key)) {
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fireRosterPresenceEvent(from);
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}
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}
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}
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}
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// If an "unavailable" packet, remove any entries in the presence map.
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else if (presence.getType() == Presence.Type.unavailable) {
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if (presenceMap.get(key) != null) {
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@ -644,14 +623,12 @@ public class Roster implements ConnectionListener {
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}
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}
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// If the user is in the roster, fire an event.
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synchronized (entries) {
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for (RosterEntry entry : entries) {
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if (entry.getUser().equals(key)) {
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fireRosterPresenceEvent(from);
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}
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}
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}
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}
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else if (presence.getType() == Presence.Type.subscribe) {
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if (subscriptionMode == SubscriptionMode.accept_all) {
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// Accept all subscription requests.
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@ -705,11 +682,9 @@ public class Roster implements ConnectionListener {
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entries.remove(entry);
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}
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// Remove the entry from the unfiled entry list.
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synchronized (unfiledEntries) {
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if (unfiledEntries.contains(entry)) {
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unfiledEntries.remove(entry);
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}
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}
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// Removing the user from the roster, so remove any presence information
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// about them.
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String key = StringUtils.parseName(item.getUser()) + "@" +
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@ -736,19 +711,15 @@ public class Roster implements ConnectionListener {
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// If the roster entry belongs to any groups, remove it from the
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// list of unfiled entries.
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if (!item.getGroupNames().isEmpty()) {
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synchronized (unfiledEntries) {
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unfiledEntries.remove(entry);
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}
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}
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// Otherwise add it to the list of unfiled entries.
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else {
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synchronized (unfiledEntries) {
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if (!unfiledEntries.contains(entry)) {
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unfiledEntries.add(entry);
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}
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}
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}
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}
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// Find the list of groups that the user currently belongs to.
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List<String> currentGroupNames = new ArrayList<String>();
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@ -788,11 +759,9 @@ public class Roster implements ConnectionListener {
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RosterGroup group = getGroup(groupName);
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group.removeEntryLocal(entry);
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if (group.getEntryCount() == 0) {
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synchronized (groups) {
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groups.remove(groupName);
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}
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}
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}
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// Remove all the groups with no entries. We have to do this because
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// RosterGroup.removeEntry removes the entry immediately (locally) and the
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// group could remain empty.
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