/* * Copyright 2004-2005 the original author or authors. * * Licensed 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 jm.jmmnet.sf.jml.event;import jm.jmmnet.sf.jml.MsnContact;import jm.jmmnet.sf.jml.MsnSwitchboard;/** * MsnSwitchboardListener adapter. *  * @author Roger Chen */public class MsnSwitchboardAdapter implements MsnSwitchboardListener {    public void switchboardClosed(MsnSwitchboard switchboard) {    	// Empty implementation, intended to be overridden.    }    public void switchboardStarted(MsnSwitchboard switchboard) {    	// Empty implementation, intended to be overridden.    }    public void contactJoinSwitchboard(MsnSwitchboard switchboard,            MsnContact contact) {    	// Empty implementation, intended to be overridden.    }    public void contactLeaveSwitchboard(MsnSwitchboard switchboard,            MsnContact contact) {    	// Empty implementation, intended to be overridden.    }}