001/** 002 * 003 * Copyright 2003-2007 Jive Software. 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.smackx.muc; 019 020/** 021 * A listener that is fired anytime a MUC room changes its subject. 022 * 023 * @author Gaston Dombiak 024 */ 025public interface SubjectUpdatedListener { 026 027 /** 028 * Called when a MUC room has changed its subject. 029 * 030 * @param subject the new room's subject. 031 * @param from the user that changed the room's subject (e.g. room@conference.jabber.org/nick). 032 */ 033 public abstract void subjectUpdated(String subject, String from); 034 035}