consolemediator.java

google公司的用Java写的一个聊天软件的原代码

/***************************************************************************
 *   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.ui.console;

import java.io.File;

import net.usikkert.kouchat.Constants;
import net.usikkert.kouchat.misc.Controller;
import net.usikkert.kouchat.misc.MessageController;
import net.usikkert.kouchat.misc.NickDTO;
import net.usikkert.kouchat.net.FileReceiver;
import net.usikkert.kouchat.net.FileSender;
import net.usikkert.kouchat.ui.UserInterface;

/**
 * This class is the binding between the controller and the console ui.
 *
 * @author Christian Ihle
 */
public class ConsoleMediator implements UserInterface
{
	private final MessageController msgController;
	private final ConsoleChatWindow chat;
	private final Controller controller;
	private final ConsoleInput ci;

	/**
	 * Constructor.
	 * Initializes the lower layers, and starts the input loop thread.
	 */
	public ConsoleMediator()
	{
		chat = new ConsoleChatWindow();
		msgController = new MessageController( chat, this );
		msgController.showSystemMessage( "Welcome to " + Constants.APP_NAME + " v" + Constants.APP_VERSION + "!" );
		controller = new Controller( this );
		ci = new ConsoleInput( controller, this );
		ci.start();
	}

	/**
	 * Will log on to the network.
	 */
	public void start()
	{
		controller.logOn();
	}

	/**
	 * Shows information about how to save the file, then
	 * returns true.
	 */
	@Override
	public boolean askFileSave( final String user, final String fileName, final String size )
	{
		msgController.showSystemMessage( "To save the file, use /receive" );
		return true;
	}

	/**
	 * Not implemented.
	 */
	@Override
	public void changeAway( final boolean away )
	{

	}

	/**
	 * Shows a message that says this is not supported.
	 */
	@Override
	public void clearChat()
	{
		msgController.showSystemMessage( "Clear chat is not supported in console mode" );
	}

	/**
	 * Returns null.
	 */
	@Override
	public File showFileSave( final String fileName )
	{
		return null;
	}

	/**
	 * Not implemented.
	 */
	@Override
	public void showTopic()
	{

	}

	/**
	 * Creates a new {@link TransferHandler}.
	 */
	@Override
	public void showTransfer( final FileReceiver fileRes )
	{
		new TransferHandler( fileRes );
	}

	/**
	 * Creates a new {@link TransferHandler}.
	 */
	@Override
	public void showTransfer( final FileSender fileSend )
	{
		new TransferHandler( fileSend );
	}

	/**
	 * Not implemented.
	 */
	@Override
	public void notifyMessageArrived()
	{

	}

	/**
	 * If the user does not have a private chat yet,
	 * a new {@link PrivateChatConsole} is created.
	 */
	@Override
	public void createPrivChat( final NickDTO user )
	{
		if ( user.getPrivchat() == null )
			user.setPrivchat( new PrivateChatConsole( user ) );
	}

	/**
	 * Returns the message controller for console mode.
	 */
	@Override
	public MessageController getMessageController()
	{
		return msgController;
	}
}