serverinterface.java

Howdy Communication System的目的是提供一个简单、易用的基于文本的 TCP/IP 通信方法

package Howdy;

/*
    This file is part of Howdy.

    Howdy 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.

    Howdy 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 Foobar; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

import java.io.*;

public class ServerInterface implements Runnable // The shell.
{
	Server server;
	BufferedReader in;
	String input;
	String confirm;

	public ServerInterface(Server server)
	{
		this.server = server;
		in = new BufferedReader( new InputStreamReader(System.in) );
	}

	public void run()
	{
		try
		{
			while(true)
			{
				System.out.print("\nHowdy[Server]# ");
				input = in.readLine();

				if(input.toLowerCase().equals("exit") || input.toLowerCase().equals("quit") )
				{
					System.out.print("Are you sure you want to stop me? ");
					confirm = in.readLine();
					if( confirm.toLowerCase().equals("y") || confirm.toLowerCase().equals("yes") )
						server.exit();
				}
				else if( input.toLowerCase().startsWith("help") || input.toLowerCase().startsWith("?") )
				{
					//System.out.println("Commands:");
					System.out.println("exit/quit\t\tStop the server.");
					System.out.println("help/?\t\t\tThis menu: a list of commands for the Howdy Server.");
					System.out.println("kick\t\t\tDisconnect a user from the server.");
					System.out.println("message [message]\tSend a message to everyone as the administrator.");
					System.out.println("port #\t\t\tChange the port the server runs on.");
					System.out.println("save\t\t\tSaves the settings to a file.");
					System.out.println("uptime\t\t\tShows uptime of the server and the number of open connections.");
					System.out.println("who\t\t\tLists who's connected.");
				}
				else if( input.toLowerCase().startsWith("kick ") )
					server.kick( input.substring(5).toLowerCase() );
				else if( input.toLowerCase().startsWith("message ") )
					server.sendAdminMessage( input.substring(8) );
				else if( input.toLowerCase().startsWith("port ") )
					server.changePort( input.substring(5) );
				else if( input.toLowerCase().startsWith("save") )
					server.writeSettings();
				else if( input.toLowerCase().startsWith("uptime") )
					System.out.println( server.getUptime() );
				else if( input.toLowerCase().startsWith("who") )
					server.printWho();
				else if( input.equals("") ) {}
				else
					System.out.println("Unrecognized command.");
			}
		}
		catch(Exception e) {e.printStackTrace();}
	}
}

// Copyright (C) 2003-2004 Serban Giuroiu