mirror of
https://codeberg.org/Mercury-IM/Smack
synced 2024-11-02 14:55:58 +01:00
a5b33b4118
git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@2260 b35dd754-fafc-0310-a699-88a17e54d16e
422 lines
16 KiB
Java
422 lines
16 KiB
Java
/**
|
|
* $RCSfile$
|
|
* $Revision$
|
|
* $Date$
|
|
*
|
|
* Copyright (C) 2002-2003 Jive Software. All rights reserved.
|
|
* ====================================================================
|
|
* The Jive Software License (based on Apache Software License, Version 1.1)
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* 3. The end-user documentation included with the redistribution,
|
|
* if any, must include the following acknowledgment:
|
|
* "This product includes software developed by
|
|
* Jive Software (http://www.jivesoftware.com)."
|
|
* Alternately, this acknowledgment may appear in the software itself,
|
|
* if and wherever such third-party acknowledgments normally appear.
|
|
*
|
|
* 4. The names "Smack" and "Jive Software" must not be used to
|
|
* endorse or promote products derived from this software without
|
|
* prior written permission. For written permission, please
|
|
* contact webmaster@jivesoftware.com.
|
|
*
|
|
* 5. Products derived from this software may not be called "Smack",
|
|
* nor may "Smack" appear in their name, without prior written
|
|
* permission of Jive Software.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
|
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL JIVE SOFTWARE OR
|
|
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
|
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
|
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
* ====================================================================
|
|
*/
|
|
package org.jivesoftware.smackx;
|
|
|
|
import java.util.*;
|
|
|
|
import org.jivesoftware.smack.*;
|
|
import org.jivesoftware.smack.filter.*;
|
|
import org.jivesoftware.smack.packet.*;
|
|
import org.jivesoftware.smackx.packet.*;
|
|
|
|
/**
|
|
* 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
|
|
*/
|
|
public class MultiUserChat {
|
|
|
|
private XMPPConnection connection;
|
|
private String room;
|
|
private String nickname = null;
|
|
private boolean joined = false;
|
|
private List participants = new ArrayList();
|
|
|
|
private PacketFilter presenceFilter;
|
|
private PacketFilter messageFilter;
|
|
private PacketCollector messageCollector;
|
|
|
|
public MultiUserChat(XMPPConnection connection, String room) {
|
|
this.connection = connection;
|
|
this.room = room;
|
|
// Create a collector for all incoming messages.
|
|
messageFilter =
|
|
new AndFilter(new FromContainsFilter(room), new PacketTypeFilter(Message.class));
|
|
messageFilter = new AndFilter(messageFilter, new PacketFilter() {
|
|
public boolean accept(Packet packet) {
|
|
Message msg = (Message) packet;
|
|
return msg.getType() == Message.Type.GROUP_CHAT;
|
|
}
|
|
});
|
|
messageCollector = connection.createPacketCollector(messageFilter);
|
|
// Create a listener for all presence updates.
|
|
presenceFilter =
|
|
new AndFilter(new FromContainsFilter(room), new PacketTypeFilter(Presence.class));
|
|
connection.addPacketListener(new PacketListener() {
|
|
public void processPacket(Packet packet) {
|
|
Presence presence = (Presence) packet;
|
|
String from = presence.getFrom();
|
|
if (presence.getType() == Presence.Type.AVAILABLE) {
|
|
synchronized (participants) {
|
|
if (!participants.contains(from)) {
|
|
participants.add(from);
|
|
}
|
|
}
|
|
}
|
|
else if (presence.getType() == Presence.Type.UNAVAILABLE) {
|
|
synchronized (participants) {
|
|
participants.remove(from);
|
|
}
|
|
}
|
|
}
|
|
}, presenceFilter);
|
|
}
|
|
|
|
/**
|
|
* Returns the name of the room this GroupChat object represents.
|
|
*
|
|
* @return the groupchat room name.
|
|
*/
|
|
public String getRoom() {
|
|
return room;
|
|
}
|
|
|
|
public void join(String nickname) throws XMPPException {
|
|
join(nickname, SmackConfiguration.getPacketReplyTimeout(), null, -1, -1, -1, null);
|
|
}
|
|
|
|
public void join(String nickname, String password) throws XMPPException {
|
|
join(nickname, SmackConfiguration.getPacketReplyTimeout(), password, -1, -1, -1, null);
|
|
}
|
|
|
|
// TODO Review protocol (too many params). Use setters or history class?
|
|
public synchronized void join(
|
|
String nickname,
|
|
long timeout,
|
|
String password,
|
|
int maxchars,
|
|
int maxstanzas,
|
|
int seconds,
|
|
Date since)
|
|
throws XMPPException {
|
|
if (nickname == null || nickname.equals("")) {
|
|
throw new IllegalArgumentException("Nickname must not be null or blank.");
|
|
}
|
|
// If we've already joined the room, leave it before joining under a new
|
|
// nickname.
|
|
if (joined) {
|
|
leave();
|
|
}
|
|
// We join a room by sending a presence packet where the "to"
|
|
// field is in the form "roomName@service/nickname"
|
|
Presence joinPresence = new Presence(Presence.Type.AVAILABLE);
|
|
joinPresence.setTo(room + "/" + nickname);
|
|
|
|
// Indicate the the client supports MUC
|
|
MUCInitialPresence mucInitialPresence = new MUCInitialPresence();
|
|
if (password != null) {
|
|
mucInitialPresence.setPassword(password);
|
|
}
|
|
if (maxchars > -1 || maxstanzas > -1 || seconds > -1 || since != null) {
|
|
MUCInitialPresence.History history = new MUCInitialPresence.History();
|
|
if (maxchars > -1) {
|
|
history.setMaxChars(maxchars);
|
|
}
|
|
if (maxstanzas > -1) {
|
|
history.setMaxStanzas(maxstanzas);
|
|
}
|
|
if (seconds > -1) {
|
|
history.setSeconds(seconds);
|
|
}
|
|
if (since != null) {
|
|
history.setSince(since);
|
|
}
|
|
mucInitialPresence.setHistory(history);
|
|
}
|
|
joinPresence.addExtension(mucInitialPresence);
|
|
|
|
// Wait for a presence packet back from the server.
|
|
PacketFilter responseFilter =
|
|
new AndFilter(
|
|
new FromContainsFilter(room + "/" + nickname),
|
|
new PacketTypeFilter(Presence.class));
|
|
PacketCollector response = connection.createPacketCollector(responseFilter);
|
|
// Send join packet.
|
|
connection.sendPacket(joinPresence);
|
|
// Wait up to a certain number of seconds for a reply.
|
|
Presence presence = (Presence) response.nextResult(timeout);
|
|
if (presence == null) {
|
|
throw new XMPPException("No response from server.");
|
|
}
|
|
else if (presence.getError() != null) {
|
|
throw new XMPPException(presence.getError());
|
|
}
|
|
this.nickname = nickname;
|
|
joined = true;
|
|
}
|
|
|
|
/**
|
|
* Returns true if currently in the group chat (after calling the {@link
|
|
* #join(String)} method.
|
|
*
|
|
* @return true if currently in the group chat room.
|
|
*/
|
|
public boolean isJoined() {
|
|
return joined;
|
|
}
|
|
|
|
/**
|
|
* Leave the chat room.
|
|
*/
|
|
public synchronized void leave() {
|
|
// If not joined already, do nothing.
|
|
if (!joined) {
|
|
return;
|
|
}
|
|
// We leave a room by sending a presence packet where the "to"
|
|
// field is in the form "roomName@service/nickname"
|
|
Presence leavePresence = new Presence(Presence.Type.UNAVAILABLE);
|
|
leavePresence.setTo(room + "/" + nickname);
|
|
connection.sendPacket(leavePresence);
|
|
// Reset participant information.
|
|
participants = new ArrayList();
|
|
nickname = null;
|
|
joined = false;
|
|
}
|
|
|
|
/**
|
|
* Returns the room's configuration form that the room's owner can use. The configuration
|
|
* form allows to set the room's language, enable logging, specify room's type, etc..
|
|
*
|
|
* @return the Form that contains the fields to complete together with the instrucions.
|
|
* @throws XMPPException if an error occurs asking the configuration form for the room.
|
|
*/
|
|
public Form getConfigurationForm() throws XMPPException {
|
|
MUCOwner iq = new MUCOwner();
|
|
iq.setTo(room);
|
|
iq.setType(IQ.Type.GET);
|
|
|
|
// Wait for a presence packet back from the server.
|
|
PacketFilter responseFilter =
|
|
new AndFilter(
|
|
new FromContainsFilter(room),
|
|
new PacketTypeFilter(IQ.class));
|
|
PacketCollector response = connection.createPacketCollector(responseFilter);
|
|
// Request the configuration form to the server.
|
|
connection.sendPacket(iq);
|
|
// Wait up to a certain number of seconds for a reply.
|
|
IQ answer = (IQ) response.nextResult(SmackConfiguration.getPacketReplyTimeout());
|
|
// Stop queuing results
|
|
response.cancel();
|
|
|
|
if (answer == null) {
|
|
throw new XMPPException("No response from server.");
|
|
}
|
|
else if (answer.getError() != null) {
|
|
throw new XMPPException(iq.getError());
|
|
}
|
|
return Form.getFormFrom(answer);
|
|
}
|
|
|
|
/**
|
|
* Sends the completed configuration form to the server. The room will be configured
|
|
* with the new settings defined in the form.
|
|
*
|
|
* @param form the form with the new settings.
|
|
* @throws XMPPException if an error occurs setting the new rooms' configuration.
|
|
*/
|
|
public void submitConfigurationForm(Form form) throws XMPPException {
|
|
MUCOwner iq = new MUCOwner();
|
|
iq.setTo(room);
|
|
iq.setType(IQ.Type.SET);
|
|
iq.addExtension(form.getDataForm());
|
|
|
|
// Send the completed configuration form to the server.
|
|
connection.sendPacket(iq);
|
|
|
|
// TODO Check for possible returned errors? permission errors?
|
|
// TODO Check that the form is of type "submit"
|
|
}
|
|
|
|
/**
|
|
* Returns the nickname that was used to join the room, or <tt>null</tt> if not
|
|
* currently joined.
|
|
*
|
|
* @return the nickname currently being used.
|
|
*/
|
|
public String getNickname() {
|
|
return nickname;
|
|
}
|
|
|
|
/**
|
|
* Returns the number of participants in the group chat.<p>
|
|
*
|
|
* Note: this value will only be accurate after joining the group chat, and
|
|
* may fluctuate over time. If you query this value directly after joining the
|
|
* group chat it may not be accurate, as it takes a certain amount of time for
|
|
* the server to send all presence packets to this client.
|
|
*
|
|
* @return the number of participants in the group chat.
|
|
*/
|
|
public int getParticipantCount() {
|
|
synchronized (participants) {
|
|
return participants.size();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns an Iterator (of Strings) for the list of fully qualified participants
|
|
* in the group chat. For example, "conference@chat.jivesoftware.com/SomeUser".
|
|
* Typically, a client would only display the nickname of the participant. To
|
|
* get the nickname from the fully qualified name, use the
|
|
* {@link org.jivesoftware.smack.util.StringUtils#parseResource(String)} method.
|
|
* Note: this value will only be accurate after joining the group chat, and may
|
|
* fluctuate over time.
|
|
*
|
|
* @return an Iterator for the participants in the group chat.
|
|
*/
|
|
public Iterator getParticipants() {
|
|
synchronized (participants) {
|
|
return Collections.unmodifiableList(new ArrayList(participants)).iterator();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Adds a packet listener that will be notified of any new Presence packets
|
|
* sent to the group chat. Using a listener is a suitable way to know when the list
|
|
* of participants should be re-loaded due to any changes.
|
|
*
|
|
* @param listener a packet listener that will be notified of any presence packets
|
|
* sent to the group chat.
|
|
*/
|
|
public void addParticipantListener(PacketListener listener) {
|
|
connection.addPacketListener(listener, presenceFilter);
|
|
}
|
|
|
|
/**
|
|
* Sends a message to the chat room.
|
|
*
|
|
* @param text the text of the message to send.
|
|
* @throws XMPPException if sending the message fails.
|
|
*/
|
|
public void sendMessage(String text) throws XMPPException {
|
|
Message message = new Message(room, Message.Type.GROUP_CHAT);
|
|
message.setBody(text);
|
|
connection.sendPacket(message);
|
|
}
|
|
|
|
/**
|
|
* Creates a new Message to send to the chat room.
|
|
*
|
|
* @return a new Message addressed to the chat room.
|
|
*/
|
|
public Message createMessage() {
|
|
return new Message(room, Message.Type.GROUP_CHAT);
|
|
}
|
|
|
|
/**
|
|
* Sends a Message to the chat room.
|
|
*
|
|
* @param message the message.
|
|
* @throws XMPPException if sending the message fails.
|
|
*/
|
|
public void sendMessage(Message message) throws XMPPException {
|
|
connection.sendPacket(message);
|
|
}
|
|
|
|
/**
|
|
* Polls for and returns the next message, or <tt>null</tt> if there isn't
|
|
* a message immediately available. This method provides significantly different
|
|
* functionalty than the {@link #nextMessage()} method since it's non-blocking.
|
|
* In other words, the method call will always return immediately, whereas the
|
|
* nextMessage method will return only when a message is available (or after
|
|
* a specific timeout).
|
|
*
|
|
* @return the next message if one is immediately available and
|
|
* <tt>null</tt> otherwise.
|
|
*/
|
|
public Message pollMessage() {
|
|
return (Message) messageCollector.pollResult();
|
|
}
|
|
|
|
/**
|
|
* Returns the next available message in the chat. The method call will block
|
|
* (not return) until a message is available.
|
|
*
|
|
* @return the next message.
|
|
*/
|
|
public Message nextMessage() {
|
|
return (Message) messageCollector.nextResult();
|
|
}
|
|
|
|
/**
|
|
* Returns the next available message in the chat. The method call will block
|
|
* (not return) until a packet is available or the <tt>timeout</tt> has elapased.
|
|
* If the timeout elapses without a result, <tt>null</tt> will be returned.
|
|
*
|
|
* @param timeout the maximum amount of time to wait for the next message.
|
|
* @return the next message, or <tt>null</tt> if the timeout elapses without a
|
|
* message becoming available.
|
|
*/
|
|
public Message nextMessage(long timeout) {
|
|
return (Message) messageCollector.nextResult(timeout);
|
|
}
|
|
|
|
/**
|
|
* Adds a packet listener that will be notified of any new messages in the
|
|
* group chat. Only "group chat" messages addressed to this group chat will
|
|
* be delivered to the listener. If you wish to listen for other packets
|
|
* that may be associated with this group chat, you should register a
|
|
* PacketListener directly with the XMPPConnection with the appropriate
|
|
* PacketListener.
|
|
*
|
|
* @param listener a packet listener.
|
|
*/
|
|
public void addMessageListener(PacketListener listener) {
|
|
connection.addPacketListener(listener, messageFilter);
|
|
}
|
|
}
|