/**
* $Revision: $
* $Date: $
*
* Copyright (C) 2008 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.openfire.archive;
import org.jivesoftware.openfire.XMPPServer;
import org.jivesoftware.openfire.muc.MUCRoom;
import org.jivesoftware.util.cache.ExternalizableUtil;
import org.xmpp.packet.JID;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.Date;
/**
* Conversation events are only used when running in a cluster as a way to send to the senior cluster
* member information about a conversation that is taking place in this cluster node.
*
* @author Gaston Dombiak
*/
public class ConversationEvent implements Externalizable {
private Type type;
private Date date;
private String body;
private JID sender;
private JID receiver;
private JID roomJID;
private JID user;
private String nickname;
/**
* Do not use this constructor. It only exists for serialization purposes.
*/
public ConversationEvent() {
}
public void run(ConversationManager conversationManager) {
if (Type.chatMessageReceived == type) {
conversationManager.processMessage(sender, receiver, body, date);
}
else if (Type.roomDestroyed == type) {
conversationManager.roomConversationEnded(roomJID, date);
}
else if (Type.occupantJoined == type) {
conversationManager.joinedGroupConversation(roomJID, user, nickname, date);
}
else if (Type.occupantLeft == type) {
conversationManager.leftGroupConversation(roomJID, user, date);
// If there are no more occupants then consider the group conversarion over
MUCRoom mucRoom = XMPPServer.getInstance().getMultiUserChatManager().getMultiUserChatService(roomJID).getChatRoom(roomJID.getNode());
if (mucRoom != null && mucRoom.getOccupantsCount() == 0) {
conversationManager.roomConversationEnded(roomJID, date);
}
}
else if (Type.nicknameChanged == type) {
conversationManager.leftGroupConversation(roomJID, user, date);
conversationManager.joinedGroupConversation(roomJID, user, nickname, new Date(date.getTime() + 1));
}
else if (Type.roomMessageReceived == type) {
conversationManager.processRoomMessage(roomJID, user, nickname, body, date);
}
}
public void writeExternal(ObjectOutput out) throws IOException {
ExternalizableUtil.getInstance().writeInt(out, type.ordinal());
ExternalizableUtil.getInstance().writeLong(out, date.getTime());
ExternalizableUtil.getInstance().writeBoolean(out, sender != null);
if (sender != null) {
ExternalizableUtil.getInstance().writeSerializable(out, sender);
}
ExternalizableUtil.getInstance().writeBoolean(out, receiver != null);
if (receiver != null) {
ExternalizableUtil.getInstance().writeSerializable(out, receiver);
}
ExternalizableUtil.getInstance().writeBoolean(out, body != null);
if (body != null) {
ExternalizableUtil.getInstance().writeSafeUTF(out, body);
}
ExternalizableUtil.getInstance().writeBoolean(out, roomJID != null);
if (roomJID != null) {
ExternalizableUtil.getInstance().writeSerializable(out, roomJID);
}
ExternalizableUtil.getInstance().writeBoolean(out, user != null);
if (user != null) {
ExternalizableUtil.getInstance().writeSerializable(out, user);
}
ExternalizableUtil.getInstance().writeBoolean(out, nickname != null);
if (nickname != null) {
ExternalizableUtil.getInstance().writeSafeUTF(out, nickname);
}
}
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
type = Type.values()[ExternalizableUtil.getInstance().readInt(in)];
date = new Date(ExternalizableUtil.getInstance().readLong(in));
if (ExternalizableUtil.getInstance().readBoolean(in)) {
sender = (JID) ExternalizableUtil.getInstance().readSerializable(in);
}
if (ExternalizableUtil.getInstance().readBoolean(in)) {
receiver = (JID) ExternalizableUtil.getInstance().readSerializable(in);
}
if (ExternalizableUtil.getInstance().readBoolean(in)) {
body = ExternalizableUtil.getInstance().readSafeUTF(in);
}
if (ExternalizableUtil.getInstance().readBoolean(in)) {
roomJID = (JID) ExternalizableUtil.getInstance().readSerializable(in);
}
if (ExternalizableUtil.getInstance().readBoolean(in)) {
user = (JID) ExternalizableUtil.getInstance().readSerializable(in);
}
if (ExternalizableUtil.getInstance().readBoolean(in)) {
nickname = ExternalizableUtil.getInstance().readSafeUTF(in);
}
}
public static ConversationEvent chatMessageReceived(JID sender, JID receiver, String body, Date date) {
ConversationEvent event = new ConversationEvent();
event.type = Type.chatMessageReceived;
event.sender = sender;
event.receiver = receiver;
event.body = body;
event.date = date;
return event;
}
public static ConversationEvent roomDestroyed(JID roomJID, Date date) {
ConversationEvent event = new ConversationEvent();
event.type = Type.roomDestroyed;
event.roomJID = roomJID;
event.date = date;
return event;
}
public static ConversationEvent occupantJoined(JID roomJID, JID user, String nickname, Date date) {
ConversationEvent event = new ConversationEvent();
event.type = Type.occupantJoined;
event.roomJID = roomJID;
event.user = user;
event.nickname = nickname;
event.date = date;
return event;
}
public static ConversationEvent occupantLeft(JID roomJID, JID user, Date date) {
ConversationEvent event = new ConversationEvent();
event.type = Type.occupantLeft;
event.roomJID = roomJID;
event.user = user;
event.date = date;
return event;
}
public static ConversationEvent nicknameChanged(JID roomJID, JID user, String newNickname, Date date) {
ConversationEvent event = new ConversationEvent();
event.type = Type.nicknameChanged;
event.roomJID = roomJID;
event.user = user;
event.nickname = newNickname;
event.date = date;
return event;
}
public static ConversationEvent roomMessageReceived(JID roomJID, JID user, String nickname, String body,
Date date) {
ConversationEvent event = new ConversationEvent();
event.type = Type.roomMessageReceived;
event.roomJID = roomJID;
event.user = user;
event.nickname = nickname;
event.body = body;
event.date = date;
return event;
}
private static enum Type {
/**
* Event triggered when a room was destroyed.
*/
roomDestroyed,
/**
* Event triggered when a new occupant joins a room.
*/
occupantJoined,
/**
* Event triggered when an occupant left a room.
*/
occupantLeft,
/**
* Event triggered when an occupant changed his nickname in a room.
*/
nicknameChanged,
/**
* Event triggered when a room occupant sent a message to a room.
*/
roomMessageReceived,
/**
* Event triggered when a user sent a message to another user.
*/
chatMessageReceived
}
}