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