Shuyi Chen | d7955ce | 2013-05-22 14:51:55 -0700 | [diff] [blame] | 1 | /** |
| 2 | * $RCSfile$ |
| 3 | * $Revision: 2779 $ |
| 4 | * $Date: 2005-09-05 17:00:45 -0300 (Mon, 05 Sep 2005) $ |
| 5 | * |
| 6 | * Copyright 2003-2006 Jive Software. |
| 7 | * |
| 8 | * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License"); |
| 9 | * you may not use this file except in compliance with the License. |
| 10 | * You may obtain a copy of the License at |
| 11 | * |
| 12 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 13 | * |
| 14 | * Unless required by applicable law or agreed to in writing, software |
| 15 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 16 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 17 | * See the License for the specific language governing permissions and |
| 18 | * limitations under the License. |
| 19 | */ |
| 20 | |
| 21 | package org.jivesoftware.smackx.muc; |
| 22 | |
| 23 | import org.jivesoftware.smack.PacketListener; |
| 24 | import org.jivesoftware.smack.filter.MessageTypeFilter; |
| 25 | import org.jivesoftware.smack.filter.PacketExtensionFilter; |
| 26 | import org.jivesoftware.smack.filter.PacketFilter; |
| 27 | import org.jivesoftware.smack.filter.PacketTypeFilter; |
| 28 | import org.jivesoftware.smack.packet.Message; |
| 29 | import org.jivesoftware.smack.packet.Packet; |
| 30 | import org.jivesoftware.smack.packet.Presence; |
| 31 | |
| 32 | /** |
| 33 | * The single <code>PacketListener</code> used by each {@link MultiUserChat} |
| 34 | * for all basic processing of presence, and message packets targeted to that chat. |
| 35 | * |
| 36 | * @author Larry Kirschner |
| 37 | */ |
| 38 | class PacketMultiplexListener implements PacketListener { |
| 39 | |
| 40 | private static final PacketFilter MESSAGE_FILTER = |
| 41 | new MessageTypeFilter(Message.Type.groupchat); |
| 42 | private static final PacketFilter PRESENCE_FILTER = new PacketTypeFilter(Presence.class); |
| 43 | private static final PacketFilter SUBJECT_FILTER = new PacketFilter() { |
| 44 | public boolean accept(Packet packet) { |
| 45 | Message msg = (Message) packet; |
| 46 | return msg.getSubject() != null; |
| 47 | } |
| 48 | }; |
| 49 | private static final PacketFilter DECLINES_FILTER = |
| 50 | new PacketExtensionFilter("x", |
| 51 | "http://jabber.org/protocol/muc#user"); |
| 52 | |
| 53 | private ConnectionDetachedPacketCollector messageCollector; |
| 54 | private PacketListener presenceListener; |
| 55 | private PacketListener subjectListener; |
| 56 | private PacketListener declinesListener; |
| 57 | |
| 58 | public PacketMultiplexListener( |
| 59 | ConnectionDetachedPacketCollector messageCollector, |
| 60 | PacketListener presenceListener, |
| 61 | PacketListener subjectListener, PacketListener declinesListener) { |
| 62 | if (messageCollector == null) { |
| 63 | throw new IllegalArgumentException("MessageCollector is null"); |
| 64 | } |
| 65 | if (presenceListener == null) { |
| 66 | throw new IllegalArgumentException("Presence listener is null"); |
| 67 | } |
| 68 | if (subjectListener == null) { |
| 69 | throw new IllegalArgumentException("Subject listener is null"); |
| 70 | } |
| 71 | if (declinesListener == null) { |
| 72 | throw new IllegalArgumentException("Declines listener is null"); |
| 73 | } |
| 74 | this.messageCollector = messageCollector; |
| 75 | this.presenceListener = presenceListener; |
| 76 | this.subjectListener = subjectListener; |
| 77 | this.declinesListener = declinesListener; |
| 78 | } |
| 79 | |
| 80 | public void processPacket(Packet p) { |
| 81 | if (PRESENCE_FILTER.accept(p)) { |
| 82 | presenceListener.processPacket(p); |
| 83 | } |
| 84 | else if (MESSAGE_FILTER.accept(p)) { |
| 85 | messageCollector.processPacket(p); |
| 86 | |
| 87 | if (SUBJECT_FILTER.accept(p)) { |
| 88 | subjectListener.processPacket(p); |
| 89 | } |
| 90 | } |
| 91 | else if (DECLINES_FILTER.accept(p)) { |
| 92 | declinesListener.processPacket(p); |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | } |