* 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.
*
* Copyright (c) 1999-2006 at Multimedia- & E-Learning Services (MELS),
* University of Zurich, Switzerland.
*
*/ package org.olat.instantMessaging; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Set; import org.jivesoftware.smack.packet.Presence; import org.olat.basesecurity.Manager; import org.olat.basesecurity.ManagerFactory; import org.olat.basesecurity.SecurityGroup; import org.olat.core.gui.UserRequest; import org.olat.core.gui.control.Controller; import org.olat.core.gui.control.WindowControl; import org.olat.core.id.Identity; import org.olat.core.id.OLATResourceable; import org.olat.core.logging.Tracing; import org.olat.group.BusinessGroup; import org.olat.instantMessaging.ui.ConferenceRoomController; import org.olat.instantMessaging.ui.FlashClientController; import org.olat.instantMessaging.ui.InstantMessagingClientController; import org.olat.instantMessagingGroupChatAjax.InstantMessagingGroupChatController; import org.olat.instantMessagingRosterAndChatAjax.InstantMessagingMainController; /** * * Implementation of the InstantMessaging Interface based on * the SMACK instant messaging library from jivesoftware.org * *
* Initial Date: 18.01.2005
* @author guido
*/
public class SmackInstantMessagingImpl implements InstantMessaging {
private final SynchronizeBuddygroupsOverHTTP buddyListSync = new SynchronizeBuddygroupsOverHTTP();
/**
* for clarity since needed for dynamic class loading
*/
public SmackInstantMessagingImpl() {
super();
}
/**
* @see org.olat.instantMessaging.InstantMessaging#createClientController(org.olat.core.gui.UserRequest,
* org.olat.core.gui.control.WindowControl)
*/
public Controller createClientController(UserRequest ureq, WindowControl wControl) {
return new InstantMessagingMainController(ureq, wControl);
//return new InstantMessagingClientController(ureq, wControl);
}
/**
* @see org.olat.instantMessaging.InstantMessaging#createChatRoomLinkController(boolean,
* java.lang.String, java.lang.String, org.olat.core.gui.UserRequest,
* org.olat.core.gui.control.WindowControl, int)
*/
public Controller createChatRoomLinkController(boolean passwordProtected, OLATResourceable ores, String chatRoomName,
UserRequest ureq, WindowControl wControl, int mode) {
if (passwordProtected) {
// TODO:gs save password in database for later usage
// Authentication auth = ManagerFactory.getManager()
// .findAuthentication(identity, PROVIDER_CHATROOMS);
// String pw = RandomStringUtils.randomAlphanumeric(6);
// ConferenceRoomManager.getInstance().createChatRoom(resourceId,
// chatRoomName, pw);
} else {
// ConferenceRoomManager.getInstance().createChatRoom(resourceId,
// chatRoomName);
}
//return new ConferenceRoomController(ureq, wControl, ores, chatRoomName, mode);
return new InstantMessagingGroupChatController(ureq, wControl, ores, chatRoomName);
}
/**
* @see org.olat.instantMessaging.InstantMessaging#createFlashClientController(org.olat.core.gui.UserRequest,
* org.olat.core.gui.control.WindowControl, String, String)
*/
public Controller createFlashClientController(UserRequest ureq, WindowControl wControl, String chatPartner, String chatRoom) {
InstantMessagingClient imc = ClientManager.getInstance().getInstantMessagingClient(ureq.getIdentity().getName());
String initialMessage = null;
if (imc.hasMessage()) initialMessage = imc.getMessage().getBody();
return new FlashClientController(ureq, wControl, imc.getUsername(), imc.getPassword(), chatPartner, chatRoom, initialMessage);
}
/**
* @see org.olat.instantMessaging.InstantMessaging#addUserToFriendsRoster(java.lang.String,
* java.lang.String, java.lang.String, java.lang.String)
*/
public void addUserToFriendsRoster(String groupOwner, String groupId, String groupname, String username) {
// we have to make shure the user has an account on the instant messaging
// server
// by calling this it gets created if not yet exists.
ClientManager.getInstance().getInstantMessagingCredentialForUser(username);
// we do not check wether a group already exists, we create it each time
buddyListSync.createSharedGroup(groupId, groupname, new String[] { groupOwner });
buddyListSync.addUserToSharedGroup(groupId, username.toLowerCase());
if (Tracing.isDebugEnabled(SmackInstantMessagingImpl.class)){
Tracing.logDebug("Adding user to roster group::" + groupId + "username: " + username, SmackInstantMessagingImpl.class);
}
}
/**
* @see org.olat.instantMessaging.InstantMessaging#removeUserFromFriendsRoster(java.lang.String,
* java.lang.String)
*/
public void removeUserFromFriendsRoster(String groupId, String username) {
buddyListSync.removeUserFromSharedGroup(groupId, username.toLowerCase());
if (Tracing.isDebugEnabled(SmackInstantMessagingImpl.class)){
Tracing.logDebug("Deleting user from roster group::" + groupId + "username: " + username, SmackInstantMessagingImpl.class);
}
}
/**
* @see org.olat.instantMessaging.InstantMessaging#deleteRosterGroup(java.lang.String)
*/
public void deleteRosterGroup(String groupId) {
buddyListSync.deleteSharedGroup(groupId);
if (Tracing.isDebugEnabled(SmackInstantMessagingImpl.class)){
Tracing.logDebug("Deleting roster group from instant messaging server::" + groupId, SmackInstantMessagingImpl.class);
}
}
/**
* @param groupId
* @param displayName
*/
public void renameRosterGroup(String groupId, String displayName) {
buddyListSync.renameSharedGroup(groupId, displayName);
if (Tracing.isDebugEnabled(SmackInstantMessagingImpl.class)){
Tracing.logDebug("Renaming roster group on instant messaging server::" + groupId, SmackInstantMessagingImpl.class);
}
}
/**
* @see org.olat.instantMessaging.InstantMessaging#sendStatus(java.lang.String,
* java.lang.String)
*/
public void sendStatus(String username, String message) {
InstantMessagingClient imc = ClientManager.getInstance().getInstantMessagingClient(username);
String recentStatus = imc.getStatus();
//awareness presence packets get only sended if not "unavailable". Otherwise the unavailable status gets overwritten by an available one.
if (!recentStatus.equals(InstantMessagingConstants.PRESENCE_MODE_UNAVAILABLE))
imc.sendPresence(Presence.Type.available, message, 0, Presence.Mode.valueOf(imc.getStatus()));
}
/**
* @see org.olat.instantMessaging.InstantMessaging#joinRoom(java.lang.String,
* java.lang.String, java.lang.String)
*/
public void joinRoom(String username, String roomName, String password) {
// TODO:gs make password protected rooms possible
ClientManager.getInstance().getInstantMessagingClient(username).sendConferenceParamsToFlashClient(roomName);
if (Tracing.isDebugEnabled(SmackInstantMessagingImpl.class)){
Tracing.logDebug("Joining Chatroom::" + username + "with roomname" + roomName + "and password" + password, SmackInstantMessagingImpl.class);
}
}
/**
* @see org.olat.instantMessaging.InstantMessaging#startChat(java.lang.String,
* java.lang.String)
*/
public void startChat(String username, String chatPartnerJid) {
InstantMessagingClient imClient = ClientManager.getInstance().getInstantMessagingClient(username);
if (imClient.getFlashClientIsRunning()) {
String message = null;
if (imClient.hasMessage()) message = imClient.getMessage().getBody();
imClient.sendChatParamsToFlashClient(chatPartnerJid, message);
}
if (Tracing.isDebugEnabled(SmackInstantMessagingImpl.class)){
Tracing.logDebug("Starting chat::" + username + "with user" + chatPartnerJid, SmackInstantMessagingImpl.class);
}
}
/**
* @see org.olat.instantMessaging.InstantMessaging#isFlashClientRunning(java.lang.String)
*/
public boolean isFlashClientRunning(String username) {
return ClientManager.getInstance().getInstantMessagingClient(username).getFlashClientIsRunning();
}
/**
* @see org.olat.instantMessaging.InstantMessaging#getIMPassword(java.lang.String)
*/
public String getIMPassword(String username) {
return ClientManager.getInstance().getInstantMessagingClient(username).getPassword();
}
/**
* @return Set containing the usernames
*/
public Set getUsernamesFromConnectedUsers() {
return ClientManager.getInstance().getUsernamesOfConnectedUsers();
}
/**
* @see org.olat.instantMessaging.InstantMessaging#getClients()
*/
public Map getClients() {
return ClientManager.getInstance().getClients();
}
/**
* @see org.olat.instantMessaging.InstantMessaging#enableChat(java.lang.String)
*/
public void enableChat(String username) {
ClientManager.getInstance().getInstantMessagingClient(username).enableCollaboration();
if (Tracing.isDebugEnabled(SmackInstantMessagingImpl.class)){
Tracing.logDebug("Enabling chat for user::" + username, SmackInstantMessagingImpl.class);
}
}
/**
* @param username
* @param reason A resason why the chat is disabled like "Doing test"
* @see org.olat.instantMessaging.InstantMessaging#disableChat(java.lang.String,
* java.lang.String)
*/
public void disableChat(String username, String reason) {
ClientManager.getInstance().getInstantMessagingClient(username).disableCollaboration(reason);
if (Tracing.isDebugEnabled(SmackInstantMessagingImpl.class)){
Tracing.logDebug("Disabling chat for user::" + username + "and reason" + reason, SmackInstantMessagingImpl.class);
}
}
/**
* @see org.olat.instantMessaging.InstantMessaging#countConnectedUsers()
*/
public int countConnectedUsers() {
return ClientManager.getInstance().countConnectedUsers();
}
/**
* @see org.olat.instantMessaging.InstantMessaging#synchonizeBuddyRoster(org.olat.group.BusinessGroup)
*/
public void synchonizeBuddyRoster(BusinessGroup group) {
Manager securityManager = ManagerFactory.getManager();
SecurityGroup owners = group.getOwnerGroup();
SecurityGroup participants = group.getPartipiciantGroup();
List users = securityManager.getIdentitiesOfSecurityGroup(owners);
users.addAll(securityManager.getIdentitiesOfSecurityGroup(participants));
String[] usernames = new String[users.size()];
int i = 0;
for (Iterator iter = users.iterator(); iter.hasNext();) {
Identity element = (Identity) iter.next();
// as jive only adds users to a group that already exist we have to make
// shure they are added.
ClientManager.getInstance().getInstantMessagingCredentialForUser(element.getName());
usernames[i] = element.getName();
i++;
}
String groupId = InstantMessagingModule.getAdapter().createChatRoomString(group);
buddyListSync.createSharedGroup(groupId, group.getName(), usernames);
if (Tracing.isDebugEnabled(SmackInstantMessagingImpl.class)){
Tracing.logDebug("synchronizing group::" + group.toString(), SmackInstantMessagingImpl.class);
}
}
/**
* @see org.olat.instantMessaging.InstantMessaging#createChatRoomString(org.olat.core.id.OLATResourceable
*/
public String createChatRoomString(OLATResourceable ores) {
return ores.getResourceableTypeName() + "-" + ores.getResourceableId();
}
/**
* @see org.olat.instantMessaging.InstantMessaging#countUsersRunningFlashClient()
*/
public int countUsersRunningFlashClient() {
int flashUsers = 0;
for (Iterator iter = getClients().values().iterator(); iter.hasNext();) {
InstantMessagingClient client = (InstantMessagingClient) iter.next();
if (client.getFlashClientIsRunning()) flashUsers++;
}
return flashUsers;
}
}