/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.vysper.xmpp.modules.roster.persistence;
import org.apache.vysper.xmpp.addressing.Entity;
import org.apache.vysper.xmpp.modules.ServerRuntimeContextService;
import org.apache.vysper.xmpp.modules.roster.MutableRoster;
import org.apache.vysper.xmpp.modules.roster.Roster;
import org.apache.vysper.xmpp.modules.roster.RosterException;
import org.apache.vysper.xmpp.modules.roster.RosterItem;
/**
*
* @author The Apache MINA Project (dev@mina.apache.org)
*/
public abstract class AbstractRosterManager implements RosterManager, ServerRuntimeContextService {
abstract protected Roster retrieveRosterInternal(Entity bareJid);
abstract protected Roster addNewRosterInternal(Entity jid);
public Roster retrieve(Entity jid) {
jid = jid.getBareJID();
return retrieveRosterInternal(jid);
}
public void addContact(Entity jid, RosterItem rosterItem) throws RosterException {
if (jid == null)
throw new RosterException("jid not provided");
final Roster roster = retrieve(jid);
if (!(roster instanceof MutableRoster)) throw new RosterException("roster is not mutable");
MutableRoster mutableRoster = (MutableRoster)roster;
if (mutableRoster == null) {
mutableRoster = (MutableRoster) addNewRosterInternal(jid);
}
mutableRoster.addItem(rosterItem);
}
public RosterItem getContact(Entity jidUser, Entity jidContact) throws RosterException {
if (jidUser == null)
throw new RosterException("jid not provided");
Roster roster = retrieve(jidUser);
if (roster == null)
throw new RosterException("roster not available for jid = " + jidUser.getFullQualifiedName());
return roster.getEntry(jidContact);
}
public void removeContact(Entity jidUser, Entity jidContact) throws RosterException {
if (jidUser == null)
throw new RosterException("jid not provided");
Roster roster = retrieve(jidUser);
if (roster == null)
throw new RosterException("roster not available for jid = " + jidUser.getFullQualifiedName());
if (!(roster instanceof MutableRoster)) throw new RosterException("roster is not mutable");
MutableRoster mutableRoster = (MutableRoster)roster;
final boolean success = mutableRoster.removeItem(jidContact);
}
public String getServiceName() {
return RosterManager.SERVER_SERVICE_ROSTERMANAGER;
}
}