001/**
002 *
003 * Copyright 2015 Florian Schmaus
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018package org.jivesoftware.smack.roster;
019
020import java.util.Collection;
021
022import org.jivesoftware.smack.packet.Presence;
023
024import org.jxmpp.jid.Jid;
025
026/**
027 * Provides empty implementations for {@link RosterListener}.
028 *
029 * @since 4.2
030 */
031public abstract class AbstractRosterListener implements RosterListener {
032
033    @Override
034    public void entriesAdded(Collection<Jid> addresses) {
035    }
036
037    @Override
038    public void entriesUpdated(Collection<Jid> addresses) {
039    }
040
041    @Override
042    public void entriesDeleted(Collection<Jid> addresses) {
043    }
044
045    @Override
046    public void presenceChanged(Presence presence) {
047    }
048}