package com.dy.testServer.console;
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import java.io.Console;
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import java.io.PrintWriter;
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public class CommandConsole {
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private Console console ;
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private PrintWriter prtWrt ;
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private static final String myPassword = "123456" ;
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private static final String commandPrefix1 = ">>" ;
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private static final String commandPrefix2 = "$: " ;
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private static String commandPrefix = commandPrefix1 + commandPrefix2 ;
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public CommandConsole(Console console)throws Exception{
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this.console = console ;
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if(this.console == null){
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throw new Exception("严重错误，java控制台对象为空！");
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}
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prtWrt = console.writer() ;
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}
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/**
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* 初始，检查并输出一些信息
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* @param args 参数
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* @throws Exception 异常
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*/
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public void init(String[] args) throws Exception{
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PrintWriter prtWrt = console.writer() ;
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if(args != null && args.length > 0){
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String str = "" ;
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for(String s : args){
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str += s ;
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}
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prtWrt.println("info：启动参数" + str);
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}
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prtWrt.println("----------------------------------------");
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prtWrt.println("-- --");
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prtWrt.println("-- 欢迎使用mwTest 服务控制端 --");
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prtWrt.println("-- --");
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prtWrt.println("----------------------------------------");
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}
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/**
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* 执行控制台控制
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* @return 返回
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*/
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public boolean clientConsole(){
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boolean exit = false ;
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try {
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this.login() ;
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exit = this.doConsole();
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} catch (Exception e) {
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e.printStackTrace();
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}
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return exit ;
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}
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private boolean login(){
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while (true) {
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//String username = console.readLine("Username: ");
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char[] password = console.readPassword(">>Password: ");
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String passwordStr = String.valueOf(password) ;
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if (passwordStr.equals("help")) {
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console.printf("密码是%1$s.\n", "123456");
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// 使用后应立即将数组清空，以减少其在内存中占用的时间，增强安全性
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password = null;
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} else if(passwordStr.equals(myPassword)){
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return true;
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}
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}
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}
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private boolean doConsole(){
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boolean exit = false ;
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while (!exit) {
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String command = console.readLine(commandPrefix);
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exit = Command.dealCommand(command, prtWrt) ;
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}
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return exit ;
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}
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public static void changeCommandPrefix(String prefix){
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commandPrefix = commandPrefix1 + prefix ;
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}
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public static void recoverCommandPrefix(){
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commandPrefix = commandPrefix1 + commandPrefix2 ;
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}
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}
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