安卓期末大作业-图书馆坐位管理系统源码（高分项目）java语言开发

/** * $RCSfile$ * $Revision$ * $Date$ * * Copyright 2003-2007 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 java.lang.ref.WeakReference; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; import java.util.Iterator; import java.util.LinkedList; import java.util.List; import java.util.Map; import java.util.WeakHashMap; import java.util.concurrent.ConcurrentHashMap; import org.jivesoftware.smack.Chat; import org.jivesoftware.smack.ConnectionCreationListener; import org.jivesoftware.smack.ConnectionListener; import org.jivesoftware.smack.MessageListener; import org.jivesoftware.smack.PacketCollector; import org.jivesoftware.smack.PacketInterceptor; import org.jivesoftware.smack.PacketListener; import org.jivesoftware.smack.SmackConfiguration; import org.jivesoftware.smack.Connection; import org.jivesoftware.smack.XMPPException; import org.jivesoftware.smack.filter.AndFilter; import org.jivesoftware.smack.filter.FromMatchesFilter; import org.jivesoftware.smack.filter.MessageTypeFilter; import org.jivesoftware.smack.filter.PacketExtensionFilter; import org.jivesoftware.smack.filter.PacketFilter; import org.jivesoftware.smack.filter.PacketIDFilter; import org.jivesoftware.smack.filter.PacketTypeFilter; import org.jivesoftware.smack.packet.IQ; import org.jivesoftware.smack.packet.Message; import org.jivesoftware.smack.packet.Packet; import org.jivesoftware.smack.packet.PacketExtension; import org.jivesoftware.smack.packet.Presence; import org.jivesoftware.smack.packet.Registration; import org.jivesoftware.smackx.Form; import org.jivesoftware.smackx.NodeInformationProvider; import org.jivesoftware.smackx.ServiceDiscoveryManager; import org.jivesoftware.smackx.packet.DiscoverInfo; import org.jivesoftware.smackx.packet.DiscoverItems; import org.jivesoftware.smackx.packet.MUCAdmin; import org.jivesoftware.smackx.packet.MUCInitialPresence; import org.jivesoftware.smackx.packet.MUCOwner; import org.jivesoftware.smackx.packet.MUCUser; /** * A MultiUserChat is a conversation that takes place among many users in a virtual * room. A room could have many occupants with different affiliation and roles. * Possible affiliatons are "owner", "admin", "member", and "outcast". Possible roles * are "moderator", "participant", and "visitor". Each role and affiliation guarantees * different privileges (e.g. Send messages to all occupants, Kick participants and visitors, * Grant voice, Edit member list, etc.). * * @author Gaston Dombiak, Larry Kirschner */ public class MultiUserChat { private final static String discoNamespace = "http://jabber.org/protocol/muc"; private final static String discoNode = "http://jabber.org/protocol/muc#rooms"; private static Map<Connection, List<String>> joinedRooms = new WeakHashMap<Connection, List<String>>(); private Connection connection; private String room; private String subject; private String nickname = null; private boolean joined = false; private Map<String, Presence> occupantsMap = new ConcurrentHashMap<String, Presence>(); private final List<InvitationRejectionListener> invitationRejectionListeners = new ArrayList<InvitationRejectionListener>(); private final List<SubjectUpdatedListener> subjectUpdatedListeners = new ArrayList<SubjectUpdatedListener>(); private final List<UserStatusListener> userStatusListeners = new ArrayList<UserStatusListener>(); private final List<ParticipantStatusListener> participantStatusListeners = new ArrayList<ParticipantStatusListener>(); private PacketFilter presenceFilter; private List<PacketInterceptor> presenceInterceptors = new ArrayList<PacketInterceptor>(); private PacketFilter messageFilter; private RoomListenerMultiplexor roomListenerMultiplexor; private ConnectionDetachedPacketCollector messageCollector; private List<PacketListener> connectionListeners = new ArrayList<PacketListener>(); static { Connection.addConnectionCreationListener(new ConnectionCreationListener() { public void connectionCreated(final Connection connection) { // Set on every established connection that this client supports the Multi-User // Chat protocol. This information will be used when another client tries to // discover whether this client supports MUC or not. ServiceDiscoveryManager.getInstanceFor(connection).addFeature(discoNamespace); // Set the NodeInformationProvider that will provide information about the // joined rooms whenever a disco request is received final WeakReference<Connection> weakRefConnection = new WeakReference<Connection>(connection); ServiceDiscoveryManager.getInstanceFor(connection).setNodeInformationProvider( discoNode, new NodeInformationProvider() { public List<DiscoverItems.Item> getNodeItems() { Connection connection = weakRefConnection.get(); if (connection == null) return new LinkedList<DiscoverItems.Item>(); List<DiscoverItems.Item> answer = new ArrayList<DiscoverItems.Item>(); Iterator<String> rooms=MultiUserChat.getJoinedRooms(connection); while (rooms.hasNext()) { answer.add(new DiscoverItems.Item(rooms.next())); } return answer; } public List<String> getNodeFeatures() { return null; } public List<DiscoverInfo.Identity> getNodeIdentities() { return null; } @Override public List<PacketExtension> getNodePacketExtensions() { return null; } }); } }); } /** * Creates a new multi user chat with the specified connection and room name. Note: no * information is sent to or received from the server until you attempt to * {@link #join(String) join} the chat room. On some server implementations, * the room will not be created until the first person joins it.<p> * * Most XMPP servers use a sub-domain for the chat service (eg chat.example.com * for the XMPP server example.com). You must ensure that the room address you're * trying to connect to includes the proper chat sub-domain. * * @param connection the XMPP connection. * @param room the name of the room in the form "roomName@service", where * "service" is the hostname at which the multi-user chat * service is running. Make sure to provide a valid JID. */ public MultiUserChat(Connection connection, String room) { this.connection = connection; this.room = room.toLowerCase(); init(); } /** * Returns true if the specified user supports the Multi-User Chat protocol. * * @param connection the connection to