messagecontroller.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 157 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.misc;

import net.usikkert.kouchat.ui.ChatWindow;
import net.usikkert.kouchat.ui.UserInterface;
import net.usikkert.kouchat.util.Tools;

/**
 * Formats different kind of messages for display in a chat window,
 * and logs them to file.
 *
 * @author Christian Ihle
 */
public class MessageController
{
	private final Settings settings;
	private final NickDTO me;
	private final ChatWindow chat;
	private final ChatLogger cLog;
	private final UserInterface ui;

	/**
	 * Initializes the logger and loads settings.
	 *
	 * @param chat The user interface object to write the formatted messages to.
	 * @param ui The user interface.
	 */
	public MessageController( final ChatWindow chat, final UserInterface ui )
	{
		this.chat = chat;
		this.ui = ui;

		settings = Settings.getSettings();
		me = settings.getMe();
		cLog = new ChatLogger();
	}

	/**
	 * This is a message from another user.
	 * The result will look like this:<br />
	 * [hour:min:sec] &lt;user&gt; message<br />
	 * The message will be shown in the color spesified.
	 *
	 * @param user The user who wrote the message.
	 * @param message The message the user wrote.
	 * @param color The color the user chose for the message.
	 */
	public void showUserMessage( final String user, final String message, final int color )
	{
		String msg = Tools.getTime() + " <" + user + ">: " + message;
		chat.appendToChat( msg, color );
		cLog.append( msg );
	}

	/**
	 * This is an information message from the system. The result
	 * will look like this:<br />
	 * [hour:min:sec] *** message<br />
	 * The message will be shown in the color spesified in the settings.
	 *
	 * @param message The system message to show.
	 */
	public void showSystemMessage( final String message )
	{
		String msg = Tools.getTime() + " *** " + message;
		chat.appendToChat( msg, settings.getSysColor() );
		cLog.append( msg );
	}

	/**
	 * This is a normal message written by the application user,
	 * meant to be seen by all other users. It will look like this:<br />
	 * [hour:min:sec] &lt;nick&gt; message<br />
	 * The message will be shown in the color spesified in the settings.
	 *
	 * @param message The message written by the application user.
	 */
	public void showOwnMessage( final String message )
	{
		String msg = Tools.getTime() + " <" + me.getNick() + ">: " + message;
		chat.appendToChat( msg, settings.getOwnColor() );
		cLog.append( msg );
	}

	/**
	 * This is a private message from another user.
	 * The result will look like this:<br />
	 * [hour:min:sec] &lt;user&gt; privmsg<br />
	 * The message will be shown in the color spesified.
	 *
	 * @param user The user who wrote the message.
	 * @param privmsg The message the user wrote.
	 * @param color The color the user chose for the message.
	 */
	public void showPrivateUserMessage( final NickDTO user, final String privmsg, final int color )
	{
		if ( user.getPrivchat() == null )
			ui.createPrivChat( user );

		String msg = Tools.getTime() + " <" + user + ">: " + privmsg;
		user.getPrivchat().appendToPrivateChat( msg, color );
	}

	/**
	 * This is a normal private message written by the application user,
	 * meant to be seen by a single user. It will look like this:<br />
	 * [hour:min:sec] &lt;nick&gt; privmsg<br />
	 * The message will be shown in the color spesified in the settings.
	 *
	 * @param user The user which the message was meant for.
	 * @param privmsg The message written by the application user.
	 */
	public void showPrivateOwnMessage( final NickDTO user, final String privmsg )
	{
		if ( user.getPrivchat() == null )
			ui.createPrivChat( user );

		String msg = Tools.getTime() + " <" + me.getNick() + ">: " + privmsg;
		user.getPrivchat().appendToPrivateChat( msg, settings.getOwnColor() );
	}

	/**
	 * This is an information message from the system. The result
	 * will look like this:<br />
	 * [hour:min:sec] *** privmsg<br />
	 * The message will be shown in the color spesified in the settings.
	 *
	 * @param user The user this system message applies to.
	 * @param privmsg The system message to show.
	 */
	public void showPrivateSystemMessage( final NickDTO user, final String privmsg )
	{
		String msg = Tools.getTime() + " *** " + privmsg;
		user.getPrivchat().appendToPrivateChat( msg, settings.getSysColor() );
	}
}