private void handleMuteIq(MuteIq muteIq) {
Boolean doMute = muteIq.getMute();
String jid = muteIq.getJid();
if (doMute == null || StringUtils.isNullOrEmpty(jid)) return;
String from = muteIq.getFrom();
JitsiMeetConference conference = getConferenceForMucJid(from);
if (conference == null) {
logger.debug("Mute error: room not found for JID: " + from);
return;
}
IQ result;
if (conference.handleMuteRequest(muteIq.getFrom(), jid, doMute)) {
result = IQ.createResultIQ(muteIq);
if (!muteIq.getFrom().equals(jid)) {
MuteIq muteStatusUpdate = new MuteIq();
muteStatusUpdate.setType(IQ.Type.SET);
muteStatusUpdate.setTo(jid);
muteStatusUpdate.setMute(doMute);
smackXmpp.getXmppConnection().sendPacket(muteStatusUpdate);
}
} else {
result =
IQ.createErrorResponse(muteIq, new XMPPError(XMPPError.Condition.interna_server_error));
}
smackXmpp.getXmppConnection().sendPacket(result);
}
private void handleRayoIQ(RayoIqProvider.DialIq dialIq) {
String from = dialIq.getFrom();
JitsiMeetConference conference = getConferenceForMucJid(from);
if (conference == null) {
logger.debug("Mute error: room not found for JID: " + from);
return;
}
ChatRoomMemberRole role = conference.getRoleForMucJid(from);
if (role == null) {
// Only room members are allowed to send requests
IQ error = createErrorResponse(dialIq, new XMPPError(XMPPError.Condition.forbidden));
smackXmpp.getXmppConnection().sendPacket(error);
return;
}
if (ChatRoomMemberRole.MODERATOR.compareTo(role) < 0) {
// Moderator permission is required
IQ error = createErrorResponse(dialIq, new XMPPError(XMPPError.Condition.not_allowed));
smackXmpp.getXmppConnection().sendPacket(error);
return;
}
// Check if Jigasi is available
String jigasiJid = conference.getServices().getSipGateway();
if (StringUtils.isNullOrEmpty(jigasiJid)) {
// Not available
IQ error =
createErrorResponse(dialIq, new XMPPError(XMPPError.Condition.service_unavailable));
smackXmpp.getXmppConnection().sendPacket(error);
return;
}
// Redirect original request to Jigasi component
String originalPacketId = dialIq.getPacketID();
dialIq.setFrom(null);
dialIq.setTo(jigasiJid);
dialIq.setPacketID(IQ.nextID());
IQ reply = (IQ) smackXmpp.getXmppConnection().sendPacketAndGetReply(dialIq);
// Send Jigasi response back to the client
reply.setFrom(null);
reply.setTo(from);
reply.setPacketID(originalPacketId);
smackXmpp.getXmppConnection().sendPacket(reply);
}
/**
* Creates query for the given <tt>searchString</tt>.
*
* @param queryString the string to search for
* @param contactCount the maximum count of result contacts
* @return the created query
*/
@Override
public ContactQuery createContactQuery(String queryString, int contactCount) {
if (!StringUtils.isNullOrEmpty(queryString)) return null;
recentQuery = new MessageSourceContactQuery(MessageSourceService.this);
return recentQuery;
}
/**
* Allocates new focus for given MUC room.
*
* @param room the name of MUC room for which new conference has to be allocated.
* @param properties configuration properties map included in the request.
* @return <tt>true</tt> if conference focus is in the room and ready to handle session
* participants.
* @throws Exception if for any reason we have failed to create the conference
*/
public synchronized boolean conferenceRequest(String room, Map<String, String> properties)
throws Exception {
if (StringUtils.isNullOrEmpty(room)) return false;
if (shutdownInProgress && !conferences.containsKey(room)) return false;
if (!conferences.containsKey(room)) {
createConference(room, properties);
}
JitsiMeetConference conference = conferences.get(room);
return conference.isInTheRoom();
}
/**
* Maps the specified <tt>address</tt> to <tt>jid</tt>. The point of this method is to allow us to
* send all messages destined to the contact with the specified <tt>address</tt> to the
* <tt>jid</tt> that they last contacted us from.
*
* @param threadID the threadID of conversation.
* @param jid the jid (i.e. address/resource) that the contact with the specified <tt>address</tt>
* last contacted us from.
*/
private void putJidForAddress(String jid, String threadID) {
synchronized (jids) {
purgeOldJids();
StoredThreadID ta = jids.get(jid);
if (ta == null) {
ta = new StoredThreadID();
jids.put(jid, ta);
}
recentJIDForAddress.put(StringUtils.parseBareAddress(jid), jid);
ta.lastUpdatedTime = System.currentTimeMillis();
ta.threadID = threadID;
}
}
/**
* Handles incoming messages and dispatches whatever events are necessary.
*
* @param packet the packet that we need to handle (if it is a message).
*/
public void processPacket(Packet packet) {
if (!(packet instanceof org.jivesoftware.smack.packet.Message)) return;
org.jivesoftware.smack.packet.Message msg = (org.jivesoftware.smack.packet.Message) packet;
boolean isForwardedSentMessage = false;
if (msg.getBody() == null) {
CarbonPacketExtension carbonExt =
(CarbonPacketExtension) msg.getExtension(CarbonPacketExtension.NAMESPACE);
if (carbonExt == null) return;
isForwardedSentMessage =
(carbonExt.getElementName() == CarbonPacketExtension.SENT_ELEMENT_NAME);
List<ForwardedPacketExtension> extensions =
carbonExt.getChildExtensionsOfType(ForwardedPacketExtension.class);
if (extensions.isEmpty()) return;
ForwardedPacketExtension forwardedExt = extensions.get(0);
msg = forwardedExt.getMessage();
if (msg == null || msg.getBody() == null) return;
}
Object multiChatExtension = msg.getExtension("x", "http://jabber.org/protocol/muc#user");
// its not for us
if (multiChatExtension != null) return;
String userFullId = isForwardedSentMessage ? msg.getTo() : msg.getFrom();
String userBareID = StringUtils.parseBareAddress(userFullId);
boolean isPrivateMessaging = false;
ChatRoom privateContactRoom = null;
OperationSetMultiUserChatJabberImpl mucOpSet =
(OperationSetMultiUserChatJabberImpl)
jabberProvider.getOperationSet(OperationSetMultiUserChat.class);
if (mucOpSet != null) privateContactRoom = mucOpSet.getChatRoom(userBareID);
if (privateContactRoom != null) {
isPrivateMessaging = true;
}
if (logger.isDebugEnabled()) {
if (logger.isDebugEnabled())
logger.debug("Received from " + userBareID + " the message " + msg.toXML());
}
Message newMessage = createMessage(msg.getBody(), DEFAULT_MIME_TYPE, msg.getPacketID());
// check if the message is available in xhtml
PacketExtension ext = msg.getExtension("http://jabber.org/protocol/xhtml-im");
if (ext != null) {
XHTMLExtension xhtmlExt = (XHTMLExtension) ext;
// parse all bodies
Iterator<String> bodies = xhtmlExt.getBodies();
StringBuffer messageBuff = new StringBuffer();
while (bodies.hasNext()) {
String body = bodies.next();
messageBuff.append(body);
}
if (messageBuff.length() > 0) {
// we remove body tags around message cause their
// end body tag is breaking
// the visualization as html in the UI
String receivedMessage =
messageBuff
.toString()
// removes body start tag
.replaceAll("\\<[bB][oO][dD][yY].*?>", "")
// removes body end tag
.replaceAll("\\</[bB][oO][dD][yY].*?>", "");
// for some reason ' is not rendered correctly
// from our ui, lets use its equivalent. Other
// similar chars(< > & ") seem ok.
receivedMessage = receivedMessage.replaceAll("'", "'");
newMessage = createMessage(receivedMessage, HTML_MIME_TYPE, msg.getPacketID());
}
}
PacketExtension correctionExtension = msg.getExtension(MessageCorrectionExtension.NAMESPACE);
String correctedMessageUID = null;
if (correctionExtension != null) {
correctedMessageUID =
((MessageCorrectionExtension) correctionExtension).getCorrectedMessageUID();
}
Contact sourceContact =
opSetPersPresence.findContactByID((isPrivateMessaging ? userFullId : userBareID));
if (msg.getType() == org.jivesoftware.smack.packet.Message.Type.error) {
// error which is multichat and we don't know about the contact
// is a muc message error which is missing muc extension
// and is coming from the room, when we try to send message to
// room which was deleted or offline on the server
if (isPrivateMessaging && sourceContact == null) {
if (privateContactRoom != null) {
XMPPError error = packet.getError();
int errorResultCode = ChatRoomMessageDeliveryFailedEvent.UNKNOWN_ERROR;
if (error != null && error.getCode() == 403) {
errorResultCode = ChatRoomMessageDeliveryFailedEvent.FORBIDDEN;
}
String errorReason = error.getMessage();
ChatRoomMessageDeliveryFailedEvent evt =
new ChatRoomMessageDeliveryFailedEvent(
privateContactRoom, null, errorResultCode, errorReason, new Date(), newMessage);
((ChatRoomJabberImpl) privateContactRoom).fireMessageEvent(evt);
}
return;
}
if (logger.isInfoEnabled()) logger.info("Message error received from " + userBareID);
int errorResultCode = MessageDeliveryFailedEvent.UNKNOWN_ERROR;
if (packet.getError() != null) {
int errorCode = packet.getError().getCode();
if (errorCode == 503) {
org.jivesoftware.smackx.packet.MessageEvent msgEvent =
(org.jivesoftware.smackx.packet.MessageEvent)
packet.getExtension("x", "jabber:x:event");
if (msgEvent != null && msgEvent.isOffline()) {
errorResultCode = MessageDeliveryFailedEvent.OFFLINE_MESSAGES_NOT_SUPPORTED;
}
}
}
if (sourceContact == null) {
sourceContact = opSetPersPresence.createVolatileContact(userFullId, isPrivateMessaging);
}
MessageDeliveryFailedEvent ev =
new MessageDeliveryFailedEvent(
newMessage, sourceContact, correctedMessageUID, errorResultCode);
// ev = messageDeliveryFailedTransform(ev);
if (ev != null) fireMessageEvent(ev);
return;
}
putJidForAddress(userFullId, msg.getThread());
// In the second condition we filter all group chat messages,
// because they are managed by the multi user chat operation set.
if (sourceContact == null) {
if (logger.isDebugEnabled())
logger.debug("received a message from an unknown contact: " + userBareID);
// create the volatile contact
sourceContact = opSetPersPresence.createVolatileContact(userFullId, isPrivateMessaging);
}
Date timestamp = new Date();
// Check for XEP-0091 timestamp (deprecated)
PacketExtension delay = msg.getExtension("x", "jabber:x:delay");
if (delay != null && delay instanceof DelayInformation) {
timestamp = ((DelayInformation) delay).getStamp();
}
// check for XEP-0203 timestamp
delay = msg.getExtension("delay", "urn:xmpp:delay");
if (delay != null && delay instanceof DelayInfo) {
timestamp = ((DelayInfo) delay).getStamp();
}
ContactResource resource = ((ContactJabberImpl) sourceContact).getResourceFromJid(userFullId);
EventObject msgEvt = null;
if (!isForwardedSentMessage)
msgEvt =
new MessageReceivedEvent(
newMessage,
sourceContact,
resource,
timestamp,
correctedMessageUID,
isPrivateMessaging,
privateContactRoom);
else msgEvt = new MessageDeliveredEvent(newMessage, sourceContact, timestamp);
// msgReceivedEvt = messageReceivedTransform(msgReceivedEvt);
if (msgEvt != null) fireMessageEvent(msgEvt);
}
/**
* A straightforward implementation of the basic instant messaging operation set.
*
* @author Damian Minkov
* @author Matthieu Helleringer
* @author Alain Knaebel
* @author Emil Ivov
* @author Hristo Terezov
*/
public class OperationSetBasicInstantMessagingJabberImpl
extends AbstractOperationSetBasicInstantMessaging implements OperationSetMessageCorrection {
/** Our class logger */
private static final Logger logger =
Logger.getLogger(OperationSetBasicInstantMessagingJabberImpl.class);
/** The maximum number of unread threads that we'd be notifying the user of. */
private static final String PNAME_MAX_GMAIL_THREADS_PER_NOTIFICATION =
"net.java.sip.communicator.impl.protocol.jabber." + "MAX_GMAIL_THREADS_PER_NOTIFICATION";
/**
* A table mapping contact addresses to full jids that can be used to target a specific resource
* (rather than sending a message to all logged instances of a user).
*/
private Map<String, StoredThreadID> jids = new Hashtable<String, StoredThreadID>();
/** The most recent full JID used for the contact address. */
private Map<String, String> recentJIDForAddress = new Hashtable<String, String>();
/**
* The smackMessageListener instance listens for incoming messages. Keep a reference of it so if
* anything goes wrong we don't add two different instances.
*/
private SmackMessageListener smackMessageListener = null;
/**
* Contains the complete jid of a specific user and the time that it was last used so that we
* could remove it after a certain point.
*/
public static class StoredThreadID {
/** The time that we last sent or received a message from this jid */
long lastUpdatedTime;
/** The last chat used, this way we will reuse the thread-id */
String threadID;
}
/** A prefix helps to make sure that thread ID's are unique across mutliple instances. */
private static String prefix = StringUtils.randomString(5);
/**
* Keeps track of the current increment, which is appended to the prefix to forum a unique thread
* ID.
*/
private static long id = 0;
/**
* The number of milliseconds that we preserve threads with no traffic before considering them
* dead.
*/
private static final long JID_INACTIVITY_TIMEOUT = 10 * 60 * 1000; // 10 min.
/**
* Indicates the time of the last Mailbox report that we received from Google (if this is a Google
* server we are talking to). Should be included in all following mailbox queries
*/
private long lastReceivedMailboxResultTime = -1;
/** The provider that created us. */
private final ProtocolProviderServiceJabberImpl jabberProvider;
/**
* A reference to the persistent presence operation set that we use to match incoming messages to
* <tt>Contact</tt>s and vice versa.
*/
private OperationSetPersistentPresenceJabberImpl opSetPersPresence = null;
/** The opening BODY HTML TAG: <body> */
private static final String OPEN_BODY_TAG = "<body>";
/** The closing BODY HTML TAG: <body> */
private static final String CLOSE_BODY_TAG = "</body>";
/** The html namespace used as feature XHTMLManager.namespace */
private static final String HTML_NAMESPACE = "http://jabber.org/protocol/xhtml-im";
/** List of filters to be used to filter which messages to handle current Operation Set. */
private List<PacketFilter> packetFilters = new ArrayList<PacketFilter>();
/** Whether carbon is enabled or not. */
private boolean isCarbonEnabled = false;
/**
* Creates an instance of this operation set.
*
* @param provider a reference to the <tt>ProtocolProviderServiceImpl</tt> that created us and
* that we'll use for retrieving the underlying aim connection.
*/
OperationSetBasicInstantMessagingJabberImpl(ProtocolProviderServiceJabberImpl provider) {
this.jabberProvider = provider;
packetFilters.add(new GroupMessagePacketFilter());
packetFilters.add(new PacketTypeFilter(org.jivesoftware.smack.packet.Message.class));
provider.addRegistrationStateChangeListener(new RegistrationStateListener());
ProviderManager man = ProviderManager.getInstance();
MessageCorrectionExtensionProvider extProvider = new MessageCorrectionExtensionProvider();
man.addExtensionProvider(
MessageCorrectionExtension.ELEMENT_NAME, MessageCorrectionExtension.NAMESPACE, extProvider);
}
/**
* Create a Message instance with the specified UID, content type and a default encoding. This
* method can be useful when message correction is required. One can construct the corrected
* message to have the same UID as the message before correction.
*
* @param messageText the string content of the message.
* @param contentType the MIME-type for <tt>content</tt>
* @param messageUID the unique identifier of this message.
* @return Message the newly created message
*/
public Message createMessageWithUID(String messageText, String contentType, String messageUID) {
return new MessageJabberImpl(messageText, contentType, DEFAULT_MIME_ENCODING, null, messageUID);
}
/**
* Create a Message instance for sending arbitrary MIME-encoding content.
*
* @param content content value
* @param contentType the MIME-type for <tt>content</tt>
* @return the newly created message.
*/
public Message createMessage(String content, String contentType) {
return createMessage(content, contentType, DEFAULT_MIME_ENCODING, null);
}
/**
* Create a Message instance for sending arbitrary MIME-encoding content.
*
* @param content content value
* @param contentType the MIME-type for <tt>content</tt>
* @param subject the Subject of the message that we'd like to create.
* @param encoding the enconding of the message that we will be sending.
* @return the newly created message.
*/
@Override
public Message createMessage(
String content, String contentType, String encoding, String subject) {
return new MessageJabberImpl(content, contentType, encoding, subject);
}
Message createMessage(String content, String contentType, String messageUID) {
return new MessageJabberImpl(content, contentType, DEFAULT_MIME_ENCODING, null, messageUID);
}
/**
* Determines wheter the protocol provider (or the protocol itself) support sending and receiving
* offline messages. Most often this method would return true for protocols that support offline
* messages and false for those that don't. It is however possible for a protocol to support these
* messages and yet have a particular account that does not (i.e. feature not enabled on the
* protocol server). In cases like this it is possible for this method to return true even when
* offline messaging is not supported, and then have the sendMessage method throw an
* OperationFailedException with code - OFFLINE_MESSAGES_NOT_SUPPORTED.
*
* @return <tt>true</tt> if the protocol supports offline messages and <tt>false</tt> otherwise.
*/
public boolean isOfflineMessagingSupported() {
return true;
}
/**
* Determines wheter the protocol supports the supplied content type
*
* @param contentType the type we want to check
* @return <tt>true</tt> if the protocol supports it and <tt>false</tt> otherwise.
*/
public boolean isContentTypeSupported(String contentType) {
return (contentType.equals(DEFAULT_MIME_TYPE) || contentType.equals(HTML_MIME_TYPE));
}
/**
* Determines whether the protocol supports the supplied content type for the given contact.
*
* @param contentType the type we want to check
* @param contact contact which is checked for supported contentType
* @return <tt>true</tt> if the contact supports it and <tt>false</tt> otherwise.
*/
@Override
public boolean isContentTypeSupported(String contentType, Contact contact) {
// by default we support default mime type, for other mimetypes
// method must be overriden
if (contentType.equals(DEFAULT_MIME_TYPE)) return true;
else if (contentType.equals(HTML_MIME_TYPE)) {
String toJID = recentJIDForAddress.get(contact.getAddress());
if (toJID == null) toJID = contact.getAddress();
return jabberProvider.isFeatureListSupported(toJID, HTML_NAMESPACE);
}
return false;
}
/**
* Remove from our <tt>jids</tt> map all entries that have not seen any activity (i.e. neither
* outgoing nor incoming messags) for more than JID_INACTIVITY_TIMEOUT. Note that this method is
* not synchronous and that it is only meant for use by the {@link #getThreadIDForAddress(String)}
* and {@link #putJidForAddress(String, String)}
*/
private void purgeOldJids() {
long currentTime = System.currentTimeMillis();
Iterator<Map.Entry<String, StoredThreadID>> entries = jids.entrySet().iterator();
while (entries.hasNext()) {
Map.Entry<String, StoredThreadID> entry = entries.next();
StoredThreadID target = entry.getValue();
if (currentTime - target.lastUpdatedTime > JID_INACTIVITY_TIMEOUT) entries.remove();
}
}
/**
* Returns the last jid that the party with the specified <tt>address</tt> contacted us from or
* <tt>null</tt>(or bare jid) if we don't have a jid for the specified <tt>address</tt> yet. The
* method would also purge all entries that haven't seen any activity (i.e. no one has tried to
* get or remap it) for a delay longer than <tt>JID_INACTIVITY_TIMEOUT</tt>.
*
* @param jid the <tt>jid</tt> that we'd like to obtain a threadID for.
* @return the last jid that the party with the specified <tt>address</tt> contacted us from or
* <tt>null</tt> if we don't have a jid for the specified <tt>address</tt> yet.
*/
String getThreadIDForAddress(String jid) {
synchronized (jids) {
purgeOldJids();
StoredThreadID ta = jids.get(jid);
if (ta == null) return null;
ta.lastUpdatedTime = System.currentTimeMillis();
return ta.threadID;
}
}
/**
* Maps the specified <tt>address</tt> to <tt>jid</tt>. The point of this method is to allow us to
* send all messages destined to the contact with the specified <tt>address</tt> to the
* <tt>jid</tt> that they last contacted us from.
*
* @param threadID the threadID of conversation.
* @param jid the jid (i.e. address/resource) that the contact with the specified <tt>address</tt>
* last contacted us from.
*/
private void putJidForAddress(String jid, String threadID) {
synchronized (jids) {
purgeOldJids();
StoredThreadID ta = jids.get(jid);
if (ta == null) {
ta = new StoredThreadID();
jids.put(jid, ta);
}
recentJIDForAddress.put(StringUtils.parseBareAddress(jid), jid);
ta.lastUpdatedTime = System.currentTimeMillis();
ta.threadID = threadID;
}
}
/**
* Helper function used to send a message to a contact, with the given extensions attached.
*
* @param to The contact to send the message to.
* @param toResource The resource to send the message to or null if no resource has been specified
* @param message The message to send.
* @param extensions The XMPP extensions that should be attached to the message before sending.
* @return The MessageDeliveryEvent that resulted after attempting to send this message, so the
* calling function can modify it if needed.
*/
private MessageDeliveredEvent sendMessage(
Contact to, ContactResource toResource, Message message, PacketExtension[] extensions) {
if (!(to instanceof ContactJabberImpl))
throw new IllegalArgumentException("The specified contact is not a Jabber contact." + to);
assertConnected();
org.jivesoftware.smack.packet.Message msg = new org.jivesoftware.smack.packet.Message();
String toJID = null;
if (toResource != null) {
if (toResource.equals(ContactResource.BASE_RESOURCE)) {
toJID = to.getAddress();
} else toJID = ((ContactResourceJabberImpl) toResource).getFullJid();
}
if (toJID == null) {
toJID = to.getAddress();
}
msg.setPacketID(message.getMessageUID());
msg.setTo(toJID);
for (PacketExtension ext : extensions) {
msg.addExtension(ext);
}
if (logger.isTraceEnabled())
logger.trace("Will send a message to:" + toJID + " chat.jid=" + toJID);
MessageDeliveredEvent msgDeliveryPendingEvt =
new MessageDeliveredEvent(message, to, toResource);
MessageDeliveredEvent[] transformedEvents =
messageDeliveryPendingTransform(msgDeliveryPendingEvt);
if (transformedEvents == null || transformedEvents.length == 0) return null;
for (MessageDeliveredEvent event : transformedEvents) {
String content = event.getSourceMessage().getContent();
if (message.getContentType().equals(HTML_MIME_TYPE)) {
msg.setBody(Html2Text.extractText(content));
// Check if the other user supports XHTML messages
// make sure we use our discovery manager as it caches calls
if (jabberProvider.isFeatureListSupported(toJID, HTML_NAMESPACE)) {
// Add the XHTML text to the message
XHTMLManager.addBody(msg, OPEN_BODY_TAG + content + CLOSE_BODY_TAG);
}
} else {
// this is plain text so keep it as it is.
msg.setBody(content);
}
// msg.addExtension(new Version());
if (event.isMessageEncrypted() && isCarbonEnabled) {
msg.addExtension(new CarbonPacketExtension.PrivateExtension());
}
MessageEventManager.addNotificationsRequests(msg, true, false, false, true);
String threadID = getThreadIDForAddress(toJID);
if (threadID == null) threadID = nextThreadID();
msg.setThread(threadID);
msg.setType(org.jivesoftware.smack.packet.Message.Type.chat);
msg.setFrom(jabberProvider.getConnection().getUser());
jabberProvider.getConnection().sendPacket(msg);
putJidForAddress(toJID, threadID);
}
return new MessageDeliveredEvent(message, to, toResource);
}
/**
* Sends the <tt>message</tt> to the destination indicated by the <tt>to</tt> contact.
*
* @param to the <tt>Contact</tt> to send <tt>message</tt> to
* @param message the <tt>Message</tt> to send.
* @throws java.lang.IllegalStateException if the underlying stack is not registered and
* initialized.
* @throws java.lang.IllegalArgumentException if <tt>to</tt> is not an instance of ContactImpl.
*/
public void sendInstantMessage(Contact to, Message message)
throws IllegalStateException, IllegalArgumentException {
sendInstantMessage(to, null, message);
}
/**
* Sends the <tt>message</tt> to the destination indicated by the <tt>to</tt>. Provides a default
* implementation of this method.
*
* @param to the <tt>Contact</tt> to send <tt>message</tt> to
* @param toResource the resource to which the message should be send
* @param message the <tt>Message</tt> to send.
* @throws java.lang.IllegalStateException if the underlying ICQ stack is not registered and
* initialized.
* @throws java.lang.IllegalArgumentException if <tt>to</tt> is not an instance belonging to the
* underlying implementation.
*/
@Override
public void sendInstantMessage(Contact to, ContactResource toResource, Message message)
throws IllegalStateException, IllegalArgumentException {
MessageDeliveredEvent msgDelivered =
sendMessage(to, toResource, message, new PacketExtension[0]);
fireMessageEvent(msgDelivered);
}
/**
* Replaces the message with ID <tt>correctedMessageUID</tt> sent to the contact <tt>to</tt> with
* the message <tt>message</tt>
*
* @param to The contact to send the message to.
* @param message The new message.
* @param correctedMessageUID The ID of the message being replaced.
*/
public void correctMessage(
Contact to, ContactResource resource, Message message, String correctedMessageUID) {
PacketExtension[] exts = new PacketExtension[1];
exts[0] = new MessageCorrectionExtension(correctedMessageUID);
MessageDeliveredEvent msgDelivered = sendMessage(to, resource, message, exts);
msgDelivered.setCorrectedMessageUID(correctedMessageUID);
fireMessageEvent(msgDelivered);
}
/**
* Utility method throwing an exception if the stack is not properly initialized.
*
* @throws java.lang.IllegalStateException if the underlying stack is not registered and
* initialized.
*/
private void assertConnected() throws IllegalStateException {
if (opSetPersPresence == null) {
throw new IllegalStateException(
"The provider must be signed on the service before" + " being able to communicate.");
} else opSetPersPresence.assertConnected();
}
/** Our listener that will tell us when we're registered to */
private class RegistrationStateListener implements RegistrationStateChangeListener {
/**
* The method is called by a ProtocolProvider implementation whenever a change in the
* registration state of the corresponding provider had occurred.
*
* @param evt ProviderStatusChangeEvent the event describing the status change.
*/
public void registrationStateChanged(RegistrationStateChangeEvent evt) {
if (logger.isDebugEnabled())
logger.debug(
"The provider changed state from: " + evt.getOldState() + " to: " + evt.getNewState());
if (evt.getNewState() == RegistrationState.REGISTERING) {
opSetPersPresence =
(OperationSetPersistentPresenceJabberImpl)
jabberProvider.getOperationSet(OperationSetPersistentPresence.class);
if (smackMessageListener == null) {
smackMessageListener = new SmackMessageListener();
} else {
// make sure this listener is not already installed in this
// connection
jabberProvider.getConnection().removePacketListener(smackMessageListener);
}
jabberProvider
.getConnection()
.addPacketListener(
smackMessageListener,
new AndFilter(packetFilters.toArray(new PacketFilter[packetFilters.size()])));
} else if (evt.getNewState() == RegistrationState.REGISTERED) {
new Thread(
new Runnable() {
@Override
public void run() {
initAdditionalServices();
}
})
.start();
} else if (evt.getNewState() == RegistrationState.UNREGISTERED
|| evt.getNewState() == RegistrationState.CONNECTION_FAILED
|| evt.getNewState() == RegistrationState.AUTHENTICATION_FAILED) {
if (jabberProvider.getConnection() != null) {
if (smackMessageListener != null)
jabberProvider.getConnection().removePacketListener(smackMessageListener);
}
smackMessageListener = null;
}
}
}
/** Initialize additional services, like gmail notifications and message carbons. */
private void initAdditionalServices() {
// subscribe for Google (Gmail or Google Apps) notifications
// for new mail messages.
boolean enableGmailNotifications =
jabberProvider
.getAccountID()
.getAccountPropertyBoolean("GMAIL_NOTIFICATIONS_ENABLED", false);
if (enableGmailNotifications) subscribeForGmailNotifications();
boolean enableCarbon =
isCarbonSupported()
&& !jabberProvider
.getAccountID()
.getAccountPropertyBoolean(ProtocolProviderFactory.IS_CARBON_DISABLED, false);
if (enableCarbon) {
enableDisableCarbon(true);
} else {
isCarbonEnabled = false;
}
}
/**
* Sends enable or disable carbon packet to the server.
*
* @param enable if <tt>true</tt> sends enable packet otherwise sends disable packet.
*/
private void enableDisableCarbon(final boolean enable) {
IQ iq =
new IQ() {
@Override
public String getChildElementXML() {
return "<" + (enable ? "enable" : "disable") + " xmlns='urn:xmpp:carbons:2' />";
}
};
Packet response = null;
try {
PacketCollector packetCollector =
jabberProvider
.getConnection()
.createPacketCollector(new PacketIDFilter(iq.getPacketID()));
iq.setFrom(jabberProvider.getOurJID());
iq.setType(IQ.Type.SET);
jabberProvider.getConnection().sendPacket(iq);
response = packetCollector.nextResult(SmackConfiguration.getPacketReplyTimeout());
packetCollector.cancel();
} catch (Exception e) {
logger.error("Failed to enable carbon.", e);
}
isCarbonEnabled = false;
if (response == null) {
logger.error("Failed to enable carbon. No response is received.");
} else if (response.getError() != null) {
logger.error("Failed to enable carbon: " + response.getError());
} else if (!(response instanceof IQ) || !((IQ) response).getType().equals(IQ.Type.RESULT)) {
logger.error("Failed to enable carbon. The response is not correct.");
} else {
isCarbonEnabled = true;
}
}
/**
* Checks whether the carbon is supported by the server or not.
*
* @return <tt>true</tt> if carbon is supported by the server and <tt>false</tt> if not.
*/
private boolean isCarbonSupported() {
try {
return jabberProvider
.getDiscoveryManager()
.discoverInfo(jabberProvider.getAccountID().getService())
.containsFeature(CarbonPacketExtension.NAMESPACE);
} catch (XMPPException e) {
logger.warn("Failed to retrieve carbon support." + e.getMessage());
}
return false;
}
/** The listener that we use in order to handle incoming messages. */
@SuppressWarnings("unchecked")
private class SmackMessageListener implements PacketListener {
/**
* Handles incoming messages and dispatches whatever events are necessary.
*
* @param packet the packet that we need to handle (if it is a message).
*/
public void processPacket(Packet packet) {
if (!(packet instanceof org.jivesoftware.smack.packet.Message)) return;
org.jivesoftware.smack.packet.Message msg = (org.jivesoftware.smack.packet.Message) packet;
boolean isForwardedSentMessage = false;
if (msg.getBody() == null) {
CarbonPacketExtension carbonExt =
(CarbonPacketExtension) msg.getExtension(CarbonPacketExtension.NAMESPACE);
if (carbonExt == null) return;
isForwardedSentMessage =
(carbonExt.getElementName() == CarbonPacketExtension.SENT_ELEMENT_NAME);
List<ForwardedPacketExtension> extensions =
carbonExt.getChildExtensionsOfType(ForwardedPacketExtension.class);
if (extensions.isEmpty()) return;
ForwardedPacketExtension forwardedExt = extensions.get(0);
msg = forwardedExt.getMessage();
if (msg == null || msg.getBody() == null) return;
}
Object multiChatExtension = msg.getExtension("x", "http://jabber.org/protocol/muc#user");
// its not for us
if (multiChatExtension != null) return;
String userFullId = isForwardedSentMessage ? msg.getTo() : msg.getFrom();
String userBareID = StringUtils.parseBareAddress(userFullId);
boolean isPrivateMessaging = false;
ChatRoom privateContactRoom = null;
OperationSetMultiUserChatJabberImpl mucOpSet =
(OperationSetMultiUserChatJabberImpl)
jabberProvider.getOperationSet(OperationSetMultiUserChat.class);
if (mucOpSet != null) privateContactRoom = mucOpSet.getChatRoom(userBareID);
if (privateContactRoom != null) {
isPrivateMessaging = true;
}
if (logger.isDebugEnabled()) {
if (logger.isDebugEnabled())
logger.debug("Received from " + userBareID + " the message " + msg.toXML());
}
Message newMessage = createMessage(msg.getBody(), DEFAULT_MIME_TYPE, msg.getPacketID());
// check if the message is available in xhtml
PacketExtension ext = msg.getExtension("http://jabber.org/protocol/xhtml-im");
if (ext != null) {
XHTMLExtension xhtmlExt = (XHTMLExtension) ext;
// parse all bodies
Iterator<String> bodies = xhtmlExt.getBodies();
StringBuffer messageBuff = new StringBuffer();
while (bodies.hasNext()) {
String body = bodies.next();
messageBuff.append(body);
}
if (messageBuff.length() > 0) {
// we remove body tags around message cause their
// end body tag is breaking
// the visualization as html in the UI
String receivedMessage =
messageBuff
.toString()
// removes body start tag
.replaceAll("\\<[bB][oO][dD][yY].*?>", "")
// removes body end tag
.replaceAll("\\</[bB][oO][dD][yY].*?>", "");
// for some reason ' is not rendered correctly
// from our ui, lets use its equivalent. Other
// similar chars(< > & ") seem ok.
receivedMessage = receivedMessage.replaceAll("'", "'");
newMessage = createMessage(receivedMessage, HTML_MIME_TYPE, msg.getPacketID());
}
}
PacketExtension correctionExtension = msg.getExtension(MessageCorrectionExtension.NAMESPACE);
String correctedMessageUID = null;
if (correctionExtension != null) {
correctedMessageUID =
((MessageCorrectionExtension) correctionExtension).getCorrectedMessageUID();
}
Contact sourceContact =
opSetPersPresence.findContactByID((isPrivateMessaging ? userFullId : userBareID));
if (msg.getType() == org.jivesoftware.smack.packet.Message.Type.error) {
// error which is multichat and we don't know about the contact
// is a muc message error which is missing muc extension
// and is coming from the room, when we try to send message to
// room which was deleted or offline on the server
if (isPrivateMessaging && sourceContact == null) {
if (privateContactRoom != null) {
XMPPError error = packet.getError();
int errorResultCode = ChatRoomMessageDeliveryFailedEvent.UNKNOWN_ERROR;
if (error != null && error.getCode() == 403) {
errorResultCode = ChatRoomMessageDeliveryFailedEvent.FORBIDDEN;
}
String errorReason = error.getMessage();
ChatRoomMessageDeliveryFailedEvent evt =
new ChatRoomMessageDeliveryFailedEvent(
privateContactRoom, null, errorResultCode, errorReason, new Date(), newMessage);
((ChatRoomJabberImpl) privateContactRoom).fireMessageEvent(evt);
}
return;
}
if (logger.isInfoEnabled()) logger.info("Message error received from " + userBareID);
int errorResultCode = MessageDeliveryFailedEvent.UNKNOWN_ERROR;
if (packet.getError() != null) {
int errorCode = packet.getError().getCode();
if (errorCode == 503) {
org.jivesoftware.smackx.packet.MessageEvent msgEvent =
(org.jivesoftware.smackx.packet.MessageEvent)
packet.getExtension("x", "jabber:x:event");
if (msgEvent != null && msgEvent.isOffline()) {
errorResultCode = MessageDeliveryFailedEvent.OFFLINE_MESSAGES_NOT_SUPPORTED;
}
}
}
if (sourceContact == null) {
sourceContact = opSetPersPresence.createVolatileContact(userFullId, isPrivateMessaging);
}
MessageDeliveryFailedEvent ev =
new MessageDeliveryFailedEvent(
newMessage, sourceContact, correctedMessageUID, errorResultCode);
// ev = messageDeliveryFailedTransform(ev);
if (ev != null) fireMessageEvent(ev);
return;
}
putJidForAddress(userFullId, msg.getThread());
// In the second condition we filter all group chat messages,
// because they are managed by the multi user chat operation set.
if (sourceContact == null) {
if (logger.isDebugEnabled())
logger.debug("received a message from an unknown contact: " + userBareID);
// create the volatile contact
sourceContact = opSetPersPresence.createVolatileContact(userFullId, isPrivateMessaging);
}
Date timestamp = new Date();
// Check for XEP-0091 timestamp (deprecated)
PacketExtension delay = msg.getExtension("x", "jabber:x:delay");
if (delay != null && delay instanceof DelayInformation) {
timestamp = ((DelayInformation) delay).getStamp();
}
// check for XEP-0203 timestamp
delay = msg.getExtension("delay", "urn:xmpp:delay");
if (delay != null && delay instanceof DelayInfo) {
timestamp = ((DelayInfo) delay).getStamp();
}
ContactResource resource = ((ContactJabberImpl) sourceContact).getResourceFromJid(userFullId);
EventObject msgEvt = null;
if (!isForwardedSentMessage)
msgEvt =
new MessageReceivedEvent(
newMessage,
sourceContact,
resource,
timestamp,
correctedMessageUID,
isPrivateMessaging,
privateContactRoom);
else msgEvt = new MessageDeliveredEvent(newMessage, sourceContact, timestamp);
// msgReceivedEvt = messageReceivedTransform(msgReceivedEvt);
if (msgEvt != null) fireMessageEvent(msgEvt);
}
}
/** A filter that prevents this operation set from handling multi user chat messages. */
private static class GroupMessagePacketFilter implements PacketFilter {
/**
* Returns <tt>true</tt> if <tt>packet</tt> is a <tt>Message</tt> and false otherwise.
*
* @param packet the packet that we need to check.
* @return <tt>true</tt> if <tt>packet</tt> is a <tt>Message</tt> and false otherwise.
*/
public boolean accept(Packet packet) {
if (!(packet instanceof org.jivesoftware.smack.packet.Message)) return false;
org.jivesoftware.smack.packet.Message msg = (org.jivesoftware.smack.packet.Message) packet;
return !msg.getType().equals(org.jivesoftware.smack.packet.Message.Type.groupchat);
}
}
/**
* Subscribes this provider as interested in receiving notifications for new mail messages from
* Google mail services such as Gmail or Google Apps.
*/
private void subscribeForGmailNotifications() {
// first check support for the notification service
String accountIDService = jabberProvider.getAccountID().getService();
boolean notificationsAreSupported =
jabberProvider.isFeatureSupported(accountIDService, NewMailNotificationIQ.NAMESPACE);
if (!notificationsAreSupported) {
if (logger.isDebugEnabled())
logger.debug(
accountIDService
+ " does not seem to provide a Gmail notification "
+ " service so we won't be trying to subscribe for it");
return;
}
if (logger.isDebugEnabled())
logger.debug(
accountIDService
+ " seems to provide a Gmail notification "
+ " service so we will try to subscribe for it");
ProviderManager providerManager = ProviderManager.getInstance();
providerManager.addIQProvider(
MailboxIQ.ELEMENT_NAME, MailboxIQ.NAMESPACE, new MailboxIQProvider());
providerManager.addIQProvider(
NewMailNotificationIQ.ELEMENT_NAME,
NewMailNotificationIQ.NAMESPACE,
new NewMailNotificationProvider());
Connection connection = jabberProvider.getConnection();
connection.addPacketListener(new MailboxIQListener(), new PacketTypeFilter(MailboxIQ.class));
connection.addPacketListener(
new NewMailNotificationListener(), new PacketTypeFilter(NewMailNotificationIQ.class));
if (opSetPersPresence.getCurrentStatusMessage().equals(JabberStatusEnum.OFFLINE)) return;
// create a query with -1 values for newer-than-tid and
// newer-than-time attributes
MailboxQueryIQ mailboxQuery = new MailboxQueryIQ();
if (logger.isTraceEnabled())
logger.trace(
"sending mailNotification for acc: "
+ jabberProvider.getAccountID().getAccountUniqueID());
jabberProvider.getConnection().sendPacket(mailboxQuery);
}
/**
* Creates an html description of the specified mailbox.
*
* @param mailboxIQ the mailboxIQ that we are to describe.
* @return an html description of <tt>mailboxIQ</tt>
*/
private String createMailboxDescription(MailboxIQ mailboxIQ) {
int threadCount = mailboxIQ.getThreadCount();
String resourceHeaderKey =
threadCount > 1 ? "service.gui.NEW_GMAIL_MANY_HEADER" : "service.gui.NEW_GMAIL_HEADER";
String resourceFooterKey =
threadCount > 1 ? "service.gui.NEW_GMAIL_MANY_FOOTER" : "service.gui.NEW_GMAIL_FOOTER";
// FIXME Escape HTML!
String newMailHeader =
JabberActivator.getResources()
.getI18NString(
resourceHeaderKey,
new String[] {
jabberProvider.getAccountID().getService(), // {0} - service name
mailboxIQ.getUrl(), // {1} - inbox URI
Integer.toString(threadCount) // {2} - thread count
});
StringBuilder message = new StringBuilder(newMailHeader);
// we now start an html table for the threads.
message.append("<table width=100% cellpadding=2 cellspacing=0 ");
message.append("border=0 bgcolor=#e8eef7>");
Iterator<MailThreadInfo> threads = mailboxIQ.threads();
String maxThreadsStr =
(String)
JabberActivator.getConfigurationService()
.getProperty(PNAME_MAX_GMAIL_THREADS_PER_NOTIFICATION);
int maxThreads = 5;
try {
if (maxThreadsStr != null) maxThreads = Integer.parseInt(maxThreadsStr);
} catch (NumberFormatException e) {
if (logger.isDebugEnabled())
logger.debug("Failed to parse max threads count: " + maxThreads + ". Going for default.");
}
// print a maximum of MAX_THREADS
for (int i = 0; i < maxThreads && threads.hasNext(); i++) {
message.append(threads.next().createHtmlDescription());
}
message.append("</table><br/>");
if (threadCount > maxThreads) {
String messageFooter =
JabberActivator.getResources()
.getI18NString(
resourceFooterKey,
new String[] {
mailboxIQ.getUrl(), // {0} - inbox URI
Integer.toString(threadCount - maxThreads) // {1} - thread count
});
message.append(messageFooter);
}
return message.toString();
}
public String getRecentJIDForAddress(String address) {
return recentJIDForAddress.get(address);
}
/** Receives incoming MailNotification Packets */
private class MailboxIQListener implements PacketListener {
/**
* Handles incoming <tt>MailboxIQ</tt> packets.
*
* @param packet the IQ that we need to handle in case it is a <tt>MailboxIQ</tt>.
*/
public void processPacket(Packet packet) {
if (packet != null && !(packet instanceof MailboxIQ)) return;
MailboxIQ mailboxIQ = (MailboxIQ) packet;
if (mailboxIQ.getTotalMatched() < 1) return;
// Get a reference to a dummy volatile contact
Contact sourceContact =
opSetPersPresence.findContactByID(jabberProvider.getAccountID().getService());
if (sourceContact == null)
sourceContact =
opSetPersPresence.createVolatileContact(jabberProvider.getAccountID().getService());
lastReceivedMailboxResultTime = mailboxIQ.getResultTime();
String newMail = createMailboxDescription(mailboxIQ);
Message newMailMessage =
new MessageJabberImpl(newMail, HTML_MIME_TYPE, DEFAULT_MIME_ENCODING, null);
MessageReceivedEvent msgReceivedEvt =
new MessageReceivedEvent(
newMailMessage,
sourceContact,
new Date(),
MessageReceivedEvent.SYSTEM_MESSAGE_RECEIVED);
fireMessageEvent(msgReceivedEvt);
}
}
/** Receives incoming NewMailNotification Packets. */
private class NewMailNotificationListener implements PacketListener {
/**
* Handles incoming <tt>NewMailNotificationIQ</tt> packets.
*
* @param packet the IQ that we need to handle in case it is a <tt>NewMailNotificationIQ</tt>.
*/
public void processPacket(Packet packet) {
if (packet != null && !(packet instanceof NewMailNotificationIQ)) return;
// check whether we are still enabled.
boolean enableGmailNotifications =
jabberProvider
.getAccountID()
.getAccountPropertyBoolean("GMAIL_NOTIFICATIONS_ENABLED", false);
if (!enableGmailNotifications) return;
if (opSetPersPresence.getCurrentStatusMessage().equals(JabberStatusEnum.OFFLINE)) return;
MailboxQueryIQ mailboxQueryIQ = new MailboxQueryIQ();
if (lastReceivedMailboxResultTime != -1)
mailboxQueryIQ.setNewerThanTime(lastReceivedMailboxResultTime);
if (logger.isTraceEnabled())
logger.trace(
"send mailNotification for acc: " + jabberProvider.getAccountID().getAccountUniqueID());
jabberProvider.getConnection().sendPacket(mailboxQueryIQ);
}
}
/**
* Returns the inactivity timeout in milliseconds.
*
* @return The inactivity timeout in milliseconds. Or -1 if undefined
*/
public long getInactivityTimeout() {
return JID_INACTIVITY_TIMEOUT;
}
/**
* Adds additional filters for incoming messages. To be able to skip some messages.
*
* @param filter to add
*/
public void addMessageFilters(PacketFilter filter) {
this.packetFilters.add(filter);
}
/**
* Returns the next unique thread id. Each thread id made up of a short alphanumeric prefix along
* with a unique numeric value.
*
* @return the next thread id.
*/
public static synchronized String nextThreadID() {
return prefix + Long.toString(id++);
}
}
/**
* Installs the account defined in this wizard.
*
* @param userName the user name to sign in with
* @param password the password to sign in with
* @return the created <tt>ProtocolProviderService</tt> corresponding to the new account
* @throws OperationFailedException if the operation didn't succeed
*/
public ProtocolProviderService signin(final String userName, final String password)
throws OperationFailedException {
/*
* If firstWizardPage is null we are requested sign-in from initial
* account registration form we must init firstWizardPage in order to
* init default values
* Pawel: firstWizardPage is never null, and commitPage fails with no
* user ID provided for simple account wizard. Now userName and password
* are reentered here.
*/
final AccountPanel accPanel = (AccountPanel) firstWizardPage.getSimpleForm();
/*
* XXX Swing is not thread safe! We've experienced deadlocks on OS X
* upon invoking accPanel's setters. In order to address them, (1)
* invoke accPanel's setters on the AWT event dispatching thread and (2)
* do it only if absolutely necessary.
*/
String accPanelUsername = accPanel.getUsername();
boolean equals = false;
final boolean rememberPassword = (password != null);
if (StringUtils.isEquals(accPanelUsername, userName)) {
char[] accPanelPasswordChars = accPanel.getPassword();
char[] passwordChars = (password == null) ? null : password.toCharArray();
if (accPanelPasswordChars == null)
equals = ((passwordChars == null) || passwordChars.length == 0);
else if (passwordChars == null) equals = (accPanelPasswordChars.length == 0);
else equals = Arrays.equals(accPanelPasswordChars, passwordChars);
if (equals) {
boolean accPanelRememberPassword = accPanel.isRememberPassword();
equals = (accPanelRememberPassword == rememberPassword);
}
}
if (!equals) {
try {
if (SwingUtilities.isEventDispatchThread()) {
accPanel.setUsername(userName);
accPanel.setPassword(password);
accPanel.setRememberPassword(rememberPassword);
} else {
SwingUtilities.invokeAndWait(
new Runnable() {
public void run() {
accPanel.setUsername(userName);
accPanel.setPassword(password);
accPanel.setRememberPassword(rememberPassword);
}
});
}
} catch (Exception e) {
if (e instanceof OperationFailedException) {
throw (OperationFailedException) e;
} else {
throw new OperationFailedException(
"Failed to set username and password on " + accPanel.getClass().getName(),
OperationFailedException.INTERNAL_ERROR,
e);
}
}
}
if (!firstWizardPage.isCommitted()) firstWizardPage.commitPage();
if (!firstWizardPage.isCommitted()) {
throw new OperationFailedException(
"Could not confirm data.", OperationFailedException.GENERAL_ERROR);
}
ProtocolProviderFactory factory = JabberAccRegWizzActivator.getJabberProtocolProviderFactory();
return installAccount(
factory,
registration.getUserID(), // The user id may get changed.
// Server part can be added in the
// data commit.
password);
}
/**
* Handles presence stanzas
*
* @param presence
*/
private void handlePresence(Presence presence) {
// unavailable is sent when user leaves the room
if (!presence.isAvailable()) {
return;
}
String from = presence.getFrom();
JitsiMeetConference conference = getConferenceForMucJid(from);
if (conference == null) {
if (logger.isDebugEnabled()) {
logger.debug("Room not found for JID: " + from);
}
return;
}
ChatRoomMemberRole role = conference.getRoleForMucJid(from);
if (role != null && role.compareTo(ChatRoomMemberRole.MODERATOR) < 0) {
StartMutedPacketExtension ext =
(StartMutedPacketExtension)
presence.getExtension(
StartMutedPacketExtension.ELEMENT_NAME, StartMutedPacketExtension.NAMESPACE);
if (ext != null) {
boolean[] startMuted = {ext.getAudioMuted(), ext.getVideoMuted()};
conference.setStartMuted(startMuted);
}
}
Participant participant = conference.findParticipantForRoomJid(from);
ColibriConference colibriConference = conference.getColibriConference();
if (participant != null && colibriConference != null) {
// Check if this conference is valid
String conferenceId = colibriConference.getConferenceId();
if (StringUtils.isNullOrEmpty(conferenceId)) {
logger.error("Unable to send DisplayNameChanged event" + " - no conference id");
return;
}
// Check for changes to the display name
String oldDisplayName = participant.getDisplayName();
String newDisplayName = null;
for (PacketExtension pe : presence.getExtensions()) {
if (pe instanceof Nick) {
newDisplayName = ((Nick) pe).getName();
break;
}
}
if (!Objects.equals(oldDisplayName, newDisplayName)) {
participant.setDisplayName(newDisplayName);
EventAdmin eventAdmin = FocusBundleActivator.getEventAdmin();
if (eventAdmin != null) {
// Prevent NPE when adding to event hashtable
if (newDisplayName == null) {
newDisplayName = "";
}
eventAdmin.sendEvent(
EventFactory.endpointDisplayNameChanged(
conferenceId, participant.getEndpointId(), newDisplayName));
}
}
}
}