author | Nikita Kozlov <nikita@beem-project.com> |
Tue, 23 Aug 2011 01:12:26 +0200 | |
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/* |
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BEEM is a videoconference application on the Android Platform. |
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Copyright (C) 2009 by Frederic-Charles Barthelery, |
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Jean-Manuel Da Silva, |
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Nikita Kozlov, |
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Philippe Lago, |
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Jean Baptiste Vergely, |
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Vincent Veronis. |
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This file is part of BEEM. |
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BEEM is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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BEEM is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with BEEM. If not, see <http://www.gnu.org/licenses/>. |
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Please send bug reports with examples or suggestions to |
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contact@beem-project.com or http://dev.beem-project.com/ |
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Epitech, hereby disclaims all copyright interest in the program "Beem" |
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written by Frederic-Charles Barthelery, |
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Jean-Manuel Da Silva, |
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Nikita Kozlov, |
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Philippe Lago, |
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Jean Baptiste Vergely, |
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Vincent Veronis. |
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Nicolas Sadirac, November 26, 2009 |
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President of Epitech. |
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Flavien Astraud, November 26, 2009 |
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Head of the EIP Laboratory. |
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*/ |
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package com.beem.project.beem.smack.pep; |
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import java.util.ArrayList; |
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import java.util.List; |
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import org.jivesoftware.smack.Connection; |
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import org.jivesoftware.smack.filter.PacketExtensionFilter; |
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import org.jivesoftware.smack.filter.PacketFilter; |
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import org.jivesoftware.smack.PacketListener; |
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import org.jivesoftware.smack.packet.Packet; |
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import org.jivesoftware.smackx.pubsub.EventElement; |
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import org.jivesoftware.smackx.pubsub.EventElementType; |
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import org.jivesoftware.smackx.pubsub.Item; |
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import org.jivesoftware.smackx.pubsub.ItemsExtension; |
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import org.jivesoftware.smackx.pubsub.PubSubManager; |
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import org.jivesoftware.smackx.pubsub.LeafNode; |
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/** |
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* Little extension of {@link PubSubManager} which allows to add {@link PEPListener}. |
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*/ |
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public class PepSubManager extends PubSubManager { |
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private List<PEPListener> mPepListeners = new ArrayList<PEPListener>(); |
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private PacketFilter mPacketFilter = new PacketExtensionFilter("event", "http://jabber.org/protocol/pubsub#event"); |
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/** |
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* Create a PepSubManager. |
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* @param connection the connection |
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*/ |
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public PepSubManager(final Connection connection) { |
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super(connection); |
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init(connection); |
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} |
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/** |
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* Create a PepSubManager associated to the specified connection where the pubsub requests require a specific to |
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* address for packets. |
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* @param connection the connection |
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* @param toAddress The pubsub specific to address (required for some servers) |
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*/ |
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public PepSubManager(final Connection connection, final String toAddress) { |
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super(connection, toAddress); |
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init(connection); |
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} |
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/** |
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* Add a listener to PEP event. |
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* @param listener the listener |
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*/ |
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public void addPEPListener(PEPListener listener) { |
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if (!mPepListeners.contains(listener)) |
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mPepListeners.add(listener); |
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} |
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/** |
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* Remove a listener to PEP event. |
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* @param listener the listener |
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*/ |
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public void removePEPListener(PEPListener listener) { |
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mPepListeners.remove(listener); |
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} |
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/** |
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* Get a PepNode. This node is obtain without checking its existence as PEP should auto create it. |
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* @param nodeName the node name |
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* @return the node |
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*/ |
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public LeafNode getPEPNode(String nodeName) { |
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LeafNode node = new LeafNode(con, nodeName); |
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node.setTo(to); |
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return node; |
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} |
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/** |
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* Initialize the PepSubManager. |
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* @param con the connection |
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*/ |
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private void init(Connection con) { |
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PacketListener packetListener = new PacketListener() { |
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@Override |
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public void processPacket(Packet packet) { |
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EventElement e = (EventElement) packet.getExtension("event", "http://jabber.org/protocol/pubsub#event"); |
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if (e.getEventType() != EventElementType.items) |
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return; |
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ItemsExtension it = (ItemsExtension) e.getEvent(); |
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if (it.getItemsElementType() != ItemsExtension.ItemsElementType.items) |
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return; |
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List<Item> items = (List<Item>) it.getItems(); |
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firePEPListeners(packet.getFrom(), it.getNode(), items); |
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} |
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}; |
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con.addPacketListener(packetListener, mPacketFilter); |
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} |
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/** |
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* Fire the PEP listeners. |
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* @param from the JID of the user who send the event |
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* @param node the node of the items in the event |
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* @param items the different items of the event |
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*/ |
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private void firePEPListeners(String from, String node, List<Item> items) { |
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for (PEPListener listener : mPepListeners) { |
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listener.eventReceived(from, node, items); |
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} |
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} |
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} |