diff --git a/source/org/jivesoftware/smackx/muc/DeafOccupantInterceptor.java b/source/org/jivesoftware/smackx/muc/DeafOccupantInterceptor.java new file mode 100644 index 000000000..fe56cfd07 --- /dev/null +++ b/source/org/jivesoftware/smackx/muc/DeafOccupantInterceptor.java @@ -0,0 +1,76 @@ +/** + * $RCSfile$ + * $Revision: $ + * $Date: $ + * + * Copyright 2003-2006 Jive Software. + * + * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.jivesoftware.smackx.muc; + +import org.jivesoftware.smack.PacketInterceptor; +import org.jivesoftware.smack.packet.Packet; +import org.jivesoftware.smack.packet.PacketExtension; +import org.jivesoftware.smack.packet.Presence; + +/** + * Packet interceptor that will intercept presence packets sent to the MUC service to indicate + * that the user wants to be a deaf occupant. A user can only indicate that he wants to be a + * deaf occupant while joining the room. It is not possible to become deaf or stop being deaf + * after the user joined the room.
+ * + * Deaf occupants will not get messages broadcasted to all room occupants. However, they will + * be able to get private messages, presences, IQ packets or room history. To use this + * functionality you will need to send the message + * {@link MultiUserChat#addPresenceInterceptor(org.jivesoftware.smack.PacketInterceptor)} and + * pass this interceptor as the parameter.
+ *
+ * Note that this is a custom extension to the MUC service so it may not work with other servers
+ * than Wildfire.
+ *
+ * @author Gaston Dombiak
+ */
+public class DeafOccupantInterceptor implements PacketInterceptor {
+
+ public void interceptPacket(Packet packet) {
+ Presence presence = (Presence) packet;
+ // Check if user is joining a room
+ if (Presence.Type.AVAILABLE == presence.getType() &&
+ presence.getExtension("x", "http://jabber.org/protocol/muc") != null) {
+ // Add extension that indicates that user wants to be a deaf occupant
+ packet.addExtension(new DeafExtension());
+ }
+ }
+
+ private static class DeafExtension implements PacketExtension {
+
+ public String getElementName() {
+ return "x";
+ }
+
+ public String getNamespace() {
+ return "http://jivesoftware.org/protocol/muc";
+ }
+
+ public String toXML() {
+ StringBuffer buf = new StringBuffer();
+ buf.append("<").append(getElementName()).append(" xmlns=\"").append(getNamespace())
+ .append("\">");
+ buf.append("