1) Modified methods that were returning an Iterator to return a Collection.

2) Removed UnauthorizedException as a thrown exception in methods that was being used for ACL.


git-svn-id: http://svn.igniterealtime.org/svn/repos/messenger/trunk@492 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/messenger/muc/MUCRoom.java

@@ -11,9 +11,9 @@
 
 package org.jivesoftware.messenger.muc;
 
-import java.util.Iterator;
 import java.util.List;
 import java.util.Date;
+import java.util.Collection;
 
 import org.jivesoftware.messenger.muc.spi.IQAdminHandler;
 import org.jivesoftware.messenger.muc.spi.IQOwnerHandler;
@@ -128,9 +128,9 @@ public interface MUCRoom extends ChatDeliverer {
     /**
      * Obtain the roles of all users in the chatroom.
      *
-     * @return Iterator over all users in the chatroom
+     * @return a collection with all users in the chatroom
      */
-    Iterator<MUCRole> getOccupants();
+    Collection<MUCRole> getOccupants();
 
     /**
      * Returns the number of occupants in the chatroom at the moment.
@@ -399,11 +399,9 @@ public interface MUCRoom extends ChatDeliverer {
      *  
      * @param packet the sent packet to change the room's subject.
      * @param role the role of the user that is trying to change the subject.
-     * @throws UnauthorizedException If the user doesn't have permision to change the subject.
      * @throws ForbiddenException If the user is not allowed to change the subject.
      */
-    public void changeSubject(Message packet, MUCRole role) throws UnauthorizedException,
-            ForbiddenException;
+    public void changeSubject(Message packet, MUCRole role) throws ForbiddenException;
 
     /**
      * Returns the last subject that some occupant set to the room.
@@ -427,12 +425,10 @@ public interface MUCRoom extends ChatDeliverer {
      * 
      * @param message The message to send.
      * @param senderRole the role of the user that is trying to send a public message.
-     * @throws UnauthorizedException Thrown if unauthorized
      * @throws ForbiddenException If the user is not allowed to send a public message (i.e. does not
      *             have voice in the room).
      */
-    public void sendPublicMessage(Message message, MUCRole senderRole) throws UnauthorizedException,
-            ForbiddenException;
+    public void sendPublicMessage(Message message, MUCRole senderRole) throws ForbiddenException;
 
     /**
      * Sends a private message to a selected occupant. 
@@ -461,54 +457,55 @@ public interface MUCRoom extends ChatDeliverer {
     public IQAdminHandler getIQAdminHandler();
 
     /**
-     * Returns an iterator over the current list of owners. The iterator contains the bareJID of the
-     * users with owner affiliation.
+     * Returns a collection with the current list of owners. The collection contains the bareJID of
+     * the users with owner affiliation.
      *
-     * @return an iterator over the current list of owners.
+     * @return a collection with the current list of owners.
      */
-    public Iterator<String> getOwners();
+    public Collection<String> getOwners();
 
     /**
-     * Returns an iterator over the current list of admins. The iterator contains the bareJID of the
-     * users with admin affiliation.
+     * Returns a collection with the current list of admins. The collection contains the bareJID of
+     * the users with admin affiliation.
      *
-     * @return an iterator over the current list of admins.
+     * @return a collection with the current list of admins.
      */
-    public Iterator<String> getAdmins();
+    public Collection<String> getAdmins();
 
     /**
-     * Returns an iterator over the current list of room members. The iterator contains the bareJID
-     * of the users with member affiliation. If the room is not members-only then the list will
-     * contain the users that registered with the room and therefore they may have reserved a
+     * Returns a collection with the current list of room members. The collection contains the
+     * bareJID of the users with member affiliation. If the room is not members-only then the list
+     * will contain the users that registered with the room and therefore they may have reserved a
      * nickname.
      *
-     * @return an iterator over the current list of members.
+     * @return a collection with the current list of members.
      */
-    public Iterator<String> getMembers();
+    public Collection<String> getMembers();
 
     /**
-     * Returns an iterator over the current list of outcast users. An outcast user is not allowed to
-     * join the room again. The iterator contains the bareJID of the users with outcast affiliation.
+     * Returns a collection with the current list of outcast users. An outcast user is not allowed
+     * to join the room again. The collection contains the bareJID of the users with outcast
+     * affiliation.
      *
-     * @return an iterator over the current list of outcast users.
+     * @return a collection with the current list of outcast users.
      */
-    public Iterator<String> getOutcasts();
+    public Collection<String> getOutcasts();
 
     /**
-     * Returns an iterator over the current list of room moderators. The iterator contains the
+     * Returns a collection with the current list of room moderators. The collection contains the
      * MUCRole of the occupants with moderator role.
      *
-     * @return an iterator over the current list of moderators.
+     * @return a collection with the current list of moderators.
      */
-    public Iterator<MUCRole> getModerators();
+    public Collection<MUCRole> getModerators();
 
     /**
-     * Returns an iterator over the current list of room participants. The iterator contains the
+     * Returns a collection with the current list of room participants. The collection contains the
      * MUCRole of the occupants with participant role.
      *
-     * @return an iterator over the current list of moderators.
+     * @return a collection with the current list of moderators.
      */
-    public Iterator<MUCRole> getParticipants();
+    public Collection<MUCRole> getParticipants();
 
     /**
      * Returns true if every presence packet will include the JID of every occupant. This
@@ -746,7 +743,7 @@ public interface MUCRoom extends ChatDeliverer {
      * 
      * @return the list of roles of which presence will be broadcasted to the rest of the occupants.
      */
-    public Iterator getRolesToBroadcastPresence();
+    public List<String> getRolesToBroadcastPresence();
 
     /**
      * Sets the list of roles of which presence will be broadcasted to the rest of the occupants.
@@ -755,7 +752,7 @@ public interface MUCRoom extends ChatDeliverer {
      * @param rolesToBroadcastPresence the list of roles of which presence will be broadcasted to 
      * the rest of the occupants.
      */
-    public void setRolesToBroadcastPresence(List rolesToBroadcastPresence);
+    public void setRolesToBroadcastPresence(List<String> rolesToBroadcastPresence);
 
     /**
      * Returns true if the presences of the requested role will be broadcasted.

src/java/org/jivesoftware/messenger/muc/spi/MUCRoomImpl.java

@@ -163,7 +163,7 @@ public class MUCRoomImpl implements MUCRoom {
      * List of roles of which presence will be broadcasted to the rest of the occupants. This
      * feature is useful for implementing "invisible" occupants.
      */
-    private List rolesToBroadcastPresence = new ArrayList();
+    private List<String> rolesToBroadcastPresence = new ArrayList<String>();
 
     /**
      * A public room means that the room is searchable and visible. This means that the room can be
@@ -345,8 +345,8 @@ public class MUCRoomImpl implements MUCRoom {
         throw new UserNotFoundException();
     }
 
-    public Iterator<MUCRole> getOccupants() {
-        return occupants.values().iterator();
+    public Collection<MUCRole> getOccupants() {
+        return Collections.unmodifiableCollection(occupants.values());
     }
 
     public int getOccupantsCount() {
@@ -696,8 +696,7 @@ public class MUCRoomImpl implements MUCRoom {
         broadcast(message);
     }
 
-    public void sendPublicMessage(Message message, MUCRole senderRole)
-            throws UnauthorizedException, ForbiddenException {
+    public void sendPublicMessage(Message message, MUCRole senderRole) throws ForbiddenException {
         // Check that if the room is moderated then the sender of the message has to have voice
         if (isModerated() && senderRole.getRole() > MUCRole.PARTICIPANT) {
             throw new ForbiddenException();
@@ -1279,8 +1278,7 @@ public class MUCRoomImpl implements MUCRoom {
         occupants.remove(oldNick.toLowerCase());
     }
 
-    public void changeSubject(Message packet, MUCRole role) throws UnauthorizedException,
-            ForbiddenException {
+    public void changeSubject(Message packet, MUCRole role) throws ForbiddenException {
         if ((canOccupantsChangeSubject() && role.getRole() < MUCRole.VISITOR) ||
                 MUCRole.MODERATOR == role.getRole()) {
             // Do nothing if the new subject is the same as the existing one
@@ -1379,40 +1377,40 @@ public class MUCRoomImpl implements MUCRoom {
         return iqAdminHandler;
     }
 
-    public Iterator<String> getOwners() {
-        return Collections.unmodifiableList(owners).iterator();
+    public Collection<String> getOwners() {
+        return Collections.unmodifiableList(owners);
     }
 
-    public Iterator<String> getAdmins() {
-        return Collections.unmodifiableList(admins).iterator();
+    public Collection<String> getAdmins() {
+        return Collections.unmodifiableList(admins);
     }
 
-    public Iterator<String> getMembers() {
-        return Collections.unmodifiableMap(members).keySet().iterator();
+    public Collection<String> getMembers() {
+        return Collections.unmodifiableMap(members).keySet();
     }
 
-    public Iterator<String> getOutcasts() {
-        return Collections.unmodifiableList(outcasts).iterator();
+    public Collection<String> getOutcasts() {
+        return Collections.unmodifiableList(outcasts);
     }
 
-    public Iterator<MUCRole> getModerators() {
+    public Collection<MUCRole> getModerators() {
         List<MUCRole> moderators = new ArrayList<MUCRole>();
         for (MUCRole role : occupants.values()) {
             if (MUCRole.MODERATOR == role.getRole()) {
                 moderators.add(role);
             }
         }
-        return moderators.iterator();
+        return moderators;
     }
 
-    public Iterator<MUCRole> getParticipants() {
+    public Collection<MUCRole> getParticipants() {
         List<MUCRole> participants = new ArrayList<MUCRole>();
         for (MUCRole role : occupants.values()) {
             if (MUCRole.PARTICIPANT == role.getRole()) {
                 participants.add(role);
             }
         }
-        return participants.iterator();
+        return participants;
     }
 
     public Presence addModerator(String fullJID, MUCRole senderRole) throws ForbiddenException {
@@ -1645,11 +1643,11 @@ public class MUCRoomImpl implements MUCRoom {
         this.publicRoom = publicRoom;
     }
 
-    public Iterator getRolesToBroadcastPresence() {
-        return rolesToBroadcastPresence.iterator();
+    public List<String> getRolesToBroadcastPresence() {
+        return Collections.unmodifiableList(rolesToBroadcastPresence);
     }
 
-    public void setRolesToBroadcastPresence(List rolesToBroadcastPresence) {
+    public void setRolesToBroadcastPresence(List<String> rolesToBroadcastPresence) {
         // TODO If the list changes while there are occupants in the room we must send available or
         // unavailable presences of the affected occupants to the rest of the occupants
         this.rolesToBroadcastPresence = rolesToBroadcastPresence;
@@ -1672,13 +1670,15 @@ public class MUCRoomImpl implements MUCRoom {
     public void unlockRoom(MUCRole senderRole) {
         roomLocked = false;
         this.lockedTime = 0;
-        // Send to the occupant that unlocked the room a message saying so  
-        Message message = new MessageImpl();
-        message.setType(Message.GROUP_CHAT);
-        message.setBody(LocaleUtils.getLocalizedString("muc.unlocked"));
-        message.setSender(getRole().getRoleAddress());
-        message.setRecipient(senderRole.getChatUser().getAddress());
-        router.route(message);
+        if (senderRole.getChatUser() != null) {
+            // Send to the occupant that unlocked the room a message saying so
+            Message message = new MessageImpl();
+            message.setType(Message.GROUP_CHAT);
+            message.setBody(LocaleUtils.getLocalizedString("muc.unlocked"));
+            message.setSender(getRole().getRoleAddress());
+            message.setRecipient(senderRole.getChatUser().getAddress());
+            router.route(message);
+        }
     }
 
     public List<Presence> addAdmins(List<String> newAdmins, MUCRole senderRole)