filetransferlistener.java

来自「google公司的用Java写的一个聊天软件的原代码」· Java 代码 · 共 64 行

/***************************************************************************
 *   Copyright 2006-2008 by Christian Ihle                                 *
 *   [e-mail]                                                  *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

package net.usikkert.kouchat.event;

/**
 * This interface needs to be implemented by the ui to add support
 * for file transfers. The methods here are called when
 * file transfer states change.
 *
 * @author Christian Ihle
 */
public interface FileTransferListener
{
	/**
	 * Called before anything has happened yet.
	 */
	void statusWaiting();

	/**
	 * Called when the file transfer process is started, but before
	 * connection has been established.
	 */
	void statusConnecting();

	/**
	 * Called when a file is transferring.
	 */
	void statusTransferring();

	/**
	 * Called when a file transfer finished successfully.
	 */
	void statusCompleted();

	/**
	 * Called if for some reason the transfer failed.
	 */
	void statusFailed();

	/**
	 * Used to notify that more of the transfer has completed.
	 */
	void transferUpdate();
}