/*
* 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;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.Map;
import org.apache.vysper.xmpp.addressing.Entity;
/**
* a mutable roster implementation, only holding items in memory
*
* @author The Apache MINA Project (dev@mina.apache.org)
*/
public class MutableRoster implements Roster {
private final Map<Entity, RosterItem> items = new LinkedHashMap<Entity, RosterItem>();
public Iterator<RosterItem> iterator() {
return items.values().iterator();
}
public RosterItem getEntry(Entity contact) {
return items.get(contact);
}
public void addItem(RosterItem rosterItem) {
if (rosterItem == null || rosterItem.getJid() == null)
throw new RuntimeException("roster item and item's jid must not be null.");
items.put(rosterItem.getJid().getBareJID(), rosterItem);
}
public boolean removeItem(Entity contact) {
return items.remove(contact) != null;
}
}