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/****************************************************************************
* Copyright (c) 2004 Composent, Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Composent, Inc. - initial API and implementation
*****************************************************************************/
package org.eclipse.ecf.presence.roster;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.ecf.core.identity.ID;
import org.eclipse.ecf.presence.IPresence;
import org.eclipse.ecf.presence.IPresenceSender;
public abstract class AbstractRosterManager implements IRosterManager {
protected IRoster roster;
private List rosterSubscriptionListeners = new ArrayList();
private List rosterUpdateListeners = new ArrayList();
public AbstractRosterManager() {
}
public AbstractRosterManager(IRoster roster) {
this.roster = roster;
}
public synchronized void addRosterSubscriptionListener(
IRosterSubscriptionListener listener) {
if (listener != null) {
synchronized (rosterSubscriptionListeners) {
rosterSubscriptionListeners.add(listener);
}
}
}
public synchronized void addRosterListener(
IRosterListener listener) {
if (listener != null) {
synchronized (rosterUpdateListeners) {
rosterUpdateListeners.add(listener);
}
}
}
protected void fireRosterUpdate(IRosterItem changedItem) {
List toNotify = null;
synchronized (rosterUpdateListeners) {
toNotify = new ArrayList(rosterUpdateListeners);
}
for (Iterator i = toNotify.iterator(); i.hasNext();)
((IRosterListener) i.next()).handleRosterUpdate(roster,
changedItem);
}
protected void fireRosterAdd(IRosterEntry entry) {
List toNotify = null;
synchronized (rosterUpdateListeners) {
toNotify = new ArrayList(rosterUpdateListeners);
}
for (Iterator i = toNotify.iterator(); i.hasNext();)
((IRosterListener) i.next()).handleRosterEntryAdd(entry);
}
protected void fireRosterRemove(IRosterEntry entry) {
List toNotify = null;
synchronized (rosterUpdateListeners) {
toNotify = new ArrayList(rosterUpdateListeners);
}
for (Iterator i = toNotify.iterator(); i.hasNext();)
((IRosterListener) i.next()).handleRosterEntryRemove(entry);
}
protected void fireSubscriptionListener(ID fromID, IPresence.Type presencetype) {
List toNotify = null;
synchronized (rosterSubscriptionListeners) {
toNotify = new ArrayList(rosterSubscriptionListeners);
}
for (Iterator i = toNotify.iterator(); i
.hasNext();) {
IRosterSubscriptionListener l = (IRosterSubscriptionListener) i
.next();
if (presencetype.equals(IPresence.Type.SUBSCRIBE)) {
l.handleSubscribeRequest(fromID);
} else if (presencetype.equals(IPresence.Type.SUBSCRIBED)) {
l.handleSubscribed(fromID);
} else if (presencetype.equals(
IPresence.Type.UNSUBSCRIBED)) {
l.handleUnsubscribed(fromID);
}
}
}
public abstract IPresenceSender getPresenceSender();
public IRoster getRoster() {
return roster;
}
public abstract IRosterSubscriptionSender getRosterSubscriptionSender();
public synchronized void removeRosterSubscriptionListener(
IRosterSubscriptionListener listener) {
if (listener != null) {
synchronized (rosterSubscriptionListeners) {
rosterSubscriptionListeners.remove(listener);
}
}
}
public synchronized void removeRosterListener(
IRosterListener listener) {
if (listener != null) {
synchronized (rosterUpdateListeners) {
rosterUpdateListeners.remove(listener);
}
}
}
public Object getAdapter(Class adapter) {
return null;
}
public void disconnect() {
roster.getItems().clear();
fireRosterUpdate(roster);
synchronized (rosterUpdateListeners) {
rosterUpdateListeners.clear();
}
synchronized (rosterSubscriptionListeners) {
rosterSubscriptionListeners.clear();
}
}
}
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