mirror of
https://github.com/vanitasvitae/Smack.git
synced 2024-11-19 02:22:05 +01:00
350 lines
12 KiB
Java
350 lines
12 KiB
Java
/**
|
|
*
|
|
* 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.smack;
|
|
|
|
import java.util.Collection;
|
|
import java.util.Collections;
|
|
import java.util.Map;
|
|
import java.util.Set;
|
|
import java.util.UUID;
|
|
import java.util.WeakHashMap;
|
|
import java.util.concurrent.CopyOnWriteArraySet;
|
|
|
|
import org.jivesoftware.smack.filter.AndFilter;
|
|
import org.jivesoftware.smack.filter.FromContainsFilter;
|
|
import org.jivesoftware.smack.filter.PacketFilter;
|
|
import org.jivesoftware.smack.filter.ThreadFilter;
|
|
import org.jivesoftware.smack.packet.Message;
|
|
import org.jivesoftware.smack.packet.Packet;
|
|
import org.jivesoftware.smack.packet.Message.Type;
|
|
import org.jivesoftware.smack.util.StringUtils;
|
|
import org.jivesoftware.smack.util.collections.ReferenceMap;
|
|
|
|
/**
|
|
* The chat manager keeps track of references to all current chats. It will not hold any references
|
|
* in memory on its own so it is necessary to keep a reference to the chat object itself. To be
|
|
* made aware of new chats, register a listener by calling {@link #addChatListener(ChatManagerListener)}.
|
|
*
|
|
* @author Alexander Wenckus
|
|
*/
|
|
public class ChatManager {
|
|
/*
|
|
* Sets the default behaviour for allowing 'normal' messages to be used in chats. As some clients don't set
|
|
* the message type to chat, the type normal has to be accepted to allow chats with these clients.
|
|
*/
|
|
private static boolean defaultIsNormalInclude = true;
|
|
|
|
/*
|
|
* Sets the default behaviour for how to match chats when there is NO thread id in the incoming message.
|
|
*/
|
|
private static MatchMode defaultMatchMode = MatchMode.BARE_JID;
|
|
|
|
/**
|
|
* Defines the different modes under which a match will be attempted with an existing chat when
|
|
* the incoming message does not have a thread id.
|
|
*/
|
|
public enum MatchMode {
|
|
/**
|
|
* Will not attempt to match, always creates a new chat.
|
|
*/
|
|
NONE,
|
|
/**
|
|
* Will match on the JID in the from field of the message.
|
|
*/
|
|
SUPPLIED_JID,
|
|
/**
|
|
* Will attempt to match on the JID in the from field, and then attempt the base JID if no match was found.
|
|
* This is the most lenient matching.
|
|
*/
|
|
BARE_JID;
|
|
}
|
|
|
|
/*
|
|
* Determines whether incoming messages of type normal can create chats.
|
|
*/
|
|
private boolean normalIncluded = defaultIsNormalInclude;
|
|
|
|
/*
|
|
* Determines how incoming message with no thread will be matched to existing chats.
|
|
*/
|
|
private MatchMode matchMode = defaultMatchMode;
|
|
|
|
/**
|
|
* Maps thread ID to chat.
|
|
*/
|
|
private Map<String, Chat> threadChats = Collections.synchronizedMap(new ReferenceMap<String, Chat>(ReferenceMap.HARD,
|
|
ReferenceMap.WEAK));
|
|
|
|
/**
|
|
* Maps jids to chats
|
|
*/
|
|
private Map<String, Chat> jidChats = Collections.synchronizedMap(new ReferenceMap<String, Chat>(ReferenceMap.HARD,
|
|
ReferenceMap.WEAK));
|
|
|
|
/**
|
|
* Maps base jids to chats
|
|
*/
|
|
private Map<String, Chat> baseJidChats = Collections.synchronizedMap(new ReferenceMap<String, Chat>(ReferenceMap.HARD,
|
|
ReferenceMap.WEAK));
|
|
|
|
private Set<ChatManagerListener> chatManagerListeners
|
|
= new CopyOnWriteArraySet<ChatManagerListener>();
|
|
|
|
private Map<PacketInterceptor, PacketFilter> interceptors
|
|
= new WeakHashMap<PacketInterceptor, PacketFilter>();
|
|
|
|
private Connection connection;
|
|
|
|
ChatManager(Connection connection) {
|
|
this.connection = connection;
|
|
|
|
PacketFilter filter = new PacketFilter() {
|
|
public boolean accept(Packet packet) {
|
|
if (!(packet instanceof Message)) {
|
|
return false;
|
|
}
|
|
Message.Type messageType = ((Message) packet).getType();
|
|
return (messageType == Type.chat) || (normalIncluded ? messageType == Type.normal : false);
|
|
}
|
|
};
|
|
|
|
// Add a listener for all message packets so that we can deliver
|
|
// messages to the best Chat instance available.
|
|
connection.addPacketListener(new PacketListener() {
|
|
public void processPacket(Packet packet) {
|
|
Message message = (Message) packet;
|
|
Chat chat;
|
|
if (message.getThread() == null) {
|
|
chat = getUserChat(message.getFrom());
|
|
}
|
|
else {
|
|
chat = getThreadChat(message.getThread());
|
|
}
|
|
|
|
if(chat == null) {
|
|
chat = createChat(message);
|
|
}
|
|
deliverMessage(chat, message);
|
|
}
|
|
}, filter);
|
|
}
|
|
|
|
/**
|
|
* Determines whether incoming messages of type <i>normal</i> will be used for creating new chats or matching
|
|
* a message to existing ones.
|
|
*
|
|
* @return true if normal is allowed, false otherwise.
|
|
*/
|
|
public boolean isNormalIncluded() {
|
|
return normalIncluded;
|
|
}
|
|
|
|
/**
|
|
* Sets whether to allow incoming messages of type <i>normal</i> to be used for creating new chats or matching
|
|
* a message to an existing one.
|
|
*
|
|
* @param normalIncluded true to allow normal, false otherwise.
|
|
*/
|
|
public void setNormalIncluded(boolean normalIncluded) {
|
|
this.normalIncluded = normalIncluded;
|
|
}
|
|
|
|
/**
|
|
* Gets the current mode for matching messages with <b>NO</b> thread id to existing chats.
|
|
*
|
|
* @return The current mode.
|
|
*/
|
|
public MatchMode getMatchMode() {
|
|
return matchMode;
|
|
}
|
|
|
|
/**
|
|
* Sets the mode for matching messages with <b>NO</b> thread id to existing chats.
|
|
*
|
|
* @param matchMode The mode to set.
|
|
*/
|
|
public void setMatchMode(MatchMode matchMode) {
|
|
this.matchMode = matchMode;
|
|
}
|
|
|
|
/**
|
|
* Creates a new chat and returns it.
|
|
*
|
|
* @param userJID the user this chat is with.
|
|
* @param listener the listener which will listen for new messages from this chat.
|
|
* @return the created chat.
|
|
*/
|
|
public Chat createChat(String userJID, MessageListener listener) {
|
|
return createChat(userJID, null, listener);
|
|
}
|
|
|
|
/**
|
|
* Creates a new chat using the specified thread ID, then returns it.
|
|
*
|
|
* @param userJID the jid of the user this chat is with
|
|
* @param thread the thread of the created chat.
|
|
* @param listener the listener to add to the chat
|
|
* @return the created chat.
|
|
*/
|
|
public Chat createChat(String userJID, String thread, MessageListener listener) {
|
|
if (thread == null) {
|
|
thread = nextID();
|
|
}
|
|
Chat chat = threadChats.get(thread);
|
|
if(chat != null) {
|
|
throw new IllegalArgumentException("ThreadID is already used");
|
|
}
|
|
chat = createChat(userJID, thread, true);
|
|
chat.addMessageListener(listener);
|
|
return chat;
|
|
}
|
|
|
|
private Chat createChat(String userJID, String threadID, boolean createdLocally) {
|
|
Chat chat = new Chat(this, userJID, threadID);
|
|
threadChats.put(threadID, chat);
|
|
jidChats.put(userJID, chat);
|
|
baseJidChats.put(StringUtils.parseBareAddress(userJID), chat);
|
|
|
|
for(ChatManagerListener listener : chatManagerListeners) {
|
|
listener.chatCreated(chat, createdLocally);
|
|
}
|
|
|
|
return chat;
|
|
}
|
|
|
|
private Chat createChat(Message message) {
|
|
String threadID = message.getThread();
|
|
if(threadID == null) {
|
|
threadID = nextID();
|
|
}
|
|
String userJID = message.getFrom();
|
|
|
|
return createChat(userJID, threadID, false);
|
|
}
|
|
|
|
/**
|
|
* Try to get a matching chat for the given user JID, based on the {@link MatchMode}.
|
|
* <li>NONE - return null
|
|
* <li>SUPPLIED_JID - match the jid in the from field of the message exactly.
|
|
* <li>BARE_JID - if not match for from field, try the bare jid.
|
|
*
|
|
* @param userJID jid in the from field of message.
|
|
* @return Matching chat, or null if no match found.
|
|
*/
|
|
private Chat getUserChat(String userJID) {
|
|
if (matchMode == MatchMode.NONE) {
|
|
return null;
|
|
}
|
|
|
|
Chat match = jidChats.get(userJID);
|
|
|
|
if (match == null && (matchMode == MatchMode.BARE_JID)) {
|
|
match = baseJidChats.get(StringUtils.parseBareAddress(userJID));
|
|
}
|
|
return match;
|
|
}
|
|
|
|
public Chat getThreadChat(String thread) {
|
|
return threadChats.get(thread);
|
|
}
|
|
|
|
/**
|
|
* Register a new listener with the ChatManager to recieve events related to chats.
|
|
*
|
|
* @param listener the listener.
|
|
*/
|
|
public void addChatListener(ChatManagerListener listener) {
|
|
chatManagerListeners.add(listener);
|
|
}
|
|
|
|
/**
|
|
* Removes a listener, it will no longer be notified of new events related to chats.
|
|
*
|
|
* @param listener the listener that is being removed
|
|
*/
|
|
public void removeChatListener(ChatManagerListener listener) {
|
|
chatManagerListeners.remove(listener);
|
|
}
|
|
|
|
/**
|
|
* Returns an unmodifiable collection of all chat listeners currently registered with this
|
|
* manager.
|
|
*
|
|
* @return an unmodifiable collection of all chat listeners currently registered with this
|
|
* manager.
|
|
*/
|
|
public Collection<ChatManagerListener> getChatListeners() {
|
|
return Collections.unmodifiableCollection(chatManagerListeners);
|
|
}
|
|
|
|
private void deliverMessage(Chat chat, Message message) {
|
|
// Here we will run any interceptors
|
|
chat.deliver(message);
|
|
}
|
|
|
|
void sendMessage(Chat chat, Message message) {
|
|
for(Map.Entry<PacketInterceptor, PacketFilter> interceptor : interceptors.entrySet()) {
|
|
PacketFilter filter = interceptor.getValue();
|
|
if(filter != null && filter.accept(message)) {
|
|
interceptor.getKey().interceptPacket(message);
|
|
}
|
|
}
|
|
// Ensure that messages being sent have a proper FROM value
|
|
if (message.getFrom() == null) {
|
|
message.setFrom(connection.getUser());
|
|
}
|
|
connection.sendPacket(message);
|
|
}
|
|
|
|
PacketCollector createPacketCollector(Chat chat) {
|
|
return connection.createPacketCollector(new AndFilter(new ThreadFilter(chat.getThreadID()),
|
|
new FromContainsFilter(chat.getParticipant())));
|
|
}
|
|
|
|
/**
|
|
* Adds an interceptor which intercepts any messages sent through chats.
|
|
*
|
|
* @param packetInterceptor the interceptor.
|
|
*/
|
|
public void addOutgoingMessageInterceptor(PacketInterceptor packetInterceptor) {
|
|
addOutgoingMessageInterceptor(packetInterceptor, null);
|
|
}
|
|
|
|
public void addOutgoingMessageInterceptor(PacketInterceptor packetInterceptor, PacketFilter filter) {
|
|
if (packetInterceptor != null) {
|
|
interceptors.put(packetInterceptor, filter);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns a unique id.
|
|
*
|
|
* @return the next id.
|
|
*/
|
|
private static String nextID() {
|
|
return UUID.randomUUID().toString();
|
|
}
|
|
|
|
public static void setDefaultMatchMode(MatchMode mode) {
|
|
defaultMatchMode = mode;
|
|
}
|
|
|
|
public static void setDefaultIsNormalIncluded(boolean allowNormal) {
|
|
defaultIsNormalInclude = allowNormal;
|
|
}
|
|
}
|