事件驱动的控制台用户界面
我正在编写一个带有基于控制台的用户界面（在客户端）的服务器客户端应用程序。用户会看到提示并可以输入命令。另外，服务器会时不时地发出一条消息，客户端应处理并打印出相关信息。您能否给我一些关于如何建模/实现此类用户界面的建议或分享教程的链接？
I'm writing a server-client application with console based user interface (on the client side). The user is presented with a prompt and has the possibility to type in commands. Also, from time to time, the server will send out a message that the client should process and print out information about. Could you give me a piece of advice as to how go about modelling/implementing this type of user interface or share a link to a tutorial?
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对于提示相关的任务，我建议 jline，它提供历史记录、自动完成等...
其他考虑因素可能包括：有多复杂是命令吗？起草一些语法。您是否需要一个合适的解析器来实现它们，或者正则表达式就足够了？即使您需要一个解析器，手写的解析器是否可以胜任这项工作？
客户端和服务器如何连接？它们之间有什么协议？每种方式可以设置的草案规范。我建议使用 Netty 来实现网络协议，但也许你可以使用一些现成的 RPC (< a href="https://code.google.com/apis/protocolbuffers/" rel="nofollow">Protobuff，Thrift、Avro）
哪部分工作在哪里完成？让客户端变得轻量级可能是个好主意，但也许某些性能/带宽考虑因素需要更智能的客户端？
For prompt related tasks I suggest jline, it provides history, autocompletion etc...
Other considerations might include: how complex are the commands? Draft some grammar. Do you need a proper parser to implement them, or regex would suffice? Even if you need a parser is some hand written one OK for the job?
How are client and a server connected? What protocol sits between them? Draft spec of what could be set each way. I would recommend Netty for implementing network protocols, but maybe you could go with some of the shelf RPC's (Protobuff, Thrift, Avro)
What part of work is done where? Making a client as lightweight is probably good idea, but maybe some performance/bandwidth considerations call for a bit smarter client?
也许这个库 - http://www.pitman.co.za/projects/charva /index.html 您可能会感兴趣。
Maybe this library - http://www.pitman.co.za/projects/charva/index.html could be interesting for you.