/* * 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 net.sf.jml.event;import net.sf.jml.MsnFileTransfer;/** * File transfer listener.  *  * @author Roger Chen */public interface MsnFileTransferListener {    /**     * Received file transfer request. If accept file transfer, call     * transfer.start(), or call transfer.cancel() to cancel file transfer.     * You can change the file savepath by call transfer.setFile(File).     *      * @param transfer     * 		file transfer     */    public void fileTransferRequestReceived(MsnFileTransfer transfer);    /**     * File transfer started.     *      * @param transfer     * 		file transfer     */    public void fileTransferStarted(MsnFileTransfer transfer);    /**     * File transfer process.      *      * @param transfer     *      file transfer     */    public void fileTransferProcess(MsnFileTransfer transfer);    /**     * File transfer finished.       *      * @param transfer     * 		file transfer     */    public void fileTransferFinished(MsnFileTransfer transfer);}