package?file;

import?java.io.File;


public?class?Command?{
	private?String?currentPath;

	private?Mainframe?mainframe?=?null;

	private?final?String?cmd[]?=?{?“cd“?“dir“?“md“?“rd“?“edit“?“del“
			“exit“?};

	private?final?int?cmdInt[]?=?{?1?2?3?4?5?6?7?};

	Command（Mainframe?mainframe）?{
		currentPath?=?“C:“;
		this.mainframe?=?mainframe;
	}

	/**
	?*?函數(shù)運(yùn)行入口;
	?*?
	?*?public?static?void?main（String[]?args）?{
	?*?
	?*?Command?cmd?=?new?Command（）;?System.out.println（“當(dāng)前的所有盤符:“）;
	?*?cmd.ListDisks（）;?System.out.print（cmd.getPath（））;?//?讀取用戶的命令和數(shù)據(jù);?while
	?*?（true）?{?byte[]?b?=?new?byte[50];?try?{?System.in.read（b）;
	?*?cmd.operate（new?String（b）.trim（））;?}?catch?（IOException?e）?{
	?*?e.printStackTrace（）;?}?}
	?*??}
	?*/
	/*
	?*?顯示系統(tǒng)中的所有盤符;
	?*/
	public?String[]?ListDisks（）?{
		File?roots[]?=?File.listRoots（）;//?根盤符;
		String?disks[]?=?new?String[roots.length];
		for?（int?i?=?0;?i?			disks[i]?=?roots[i].toString（）;
		}
		return?disks;
	}

	public?String[]?separate（String?operation）?{
		String[]?str?=?operation.split（“?“）;//?按分號(hào)分割;
		//主要解決文件夾或文件中含有空格的情況;
		if（str.length>2）{
			String[]?tempStr=new?String[2];
			tempStr[0]=str[0];
			tempStr[1]=str[1];
			for（int?i=2;i				tempStr[1]+=“?“+str[i];
			return?tempStr;
		}
		return?str;
	}

	/*
	?*?根據(jù)參數(shù)operation執(zhí)行相應(yīng)的操作;
	?*/
	public?void?operate（String?operation）?{
		String[]?str?=?separate（operation）;
		//?System.out.println（str.length）;
		String?mycmd?=?““;
		//?mycmd對(duì)應(yīng)的整數(shù)代號(hào);
		int?mycmdInt?=?0;
		String?path?=?““;
		if?（str.length?==?1）?{
			mycmd?=?str[0];
			if?（mycmd.indexOf（“:“）?!=?-1）?{//?如果是直接盤符轉(zhuǎn)換;執(zhí)行些操作;
				File?newFile?=?new?File（mycmd）;
				if?（newFile.exists（））?{
					currentPath?=?mycmd;
					//?System.out.print（getPath（））;
					mainframe.display（getPath（））;
					return;
				}
			}
		}
		if?（str.length?>=?2）?{
			mycmd?=?str[0];
			path?=?str[1];
		}
		//?選擇執(zhí)行命令;
		//?///System.out.println（mycmd+“\\“+path）;
		for?（int?i?=?0;?i?			if?（mycmd.equalsIgnoreCase（cmd[i]））?{
				mycmdInt?=?cmdInt[i];
			}
		}
		switch?（mycmdInt）?{
		case?1:
			cd（currentPath?path）;
			break;
		case?2:
			dir（currentPath）;
			break;
		case?3:
			md（path）;
			break;
		case?4:
			rd（path）;
			break;
		case?5:
			edit（path）;
			break;
		case?6:
			del（path）;
			break;
		case?7:
			exit（）;
			break;
		default:
			mainframe.display（“無效的命令!“）;
		}
		mainframe.display（getPath（））;
	}

	/*
	?*?獲得當(dāng)前所在目錄;
	?*/
	public?String?getPath（）?{
		return?currentPath?+?“>“;
	}

	/*
	?*?獲得路徑path下的文件;
	?*/
	public?String[]?listAll（String?path）?{
		
		try?{
			File?f?=?new?File（path）;
			String[]?fileName;
			if?（f.isDirectory（））?{
				fileName?=?f.list（）;
				mainframe.display（“共有“?+?fileName.length?+?“個(gè)文件“）;
				for?（int?i?=?0;?i?					mainframe.display（“????“?+?fileName[i]）;
				return?fileName;
			}?else

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?-rwxrwx---???????506??2006-11-13?14:07??FileManage\.project

?-rwxrwx---???????226??2006-11-11?18:37??FileManage\.classpath

?-rwxrwx---??????9600??2006-12-30?14:11??FileManage\file\Mainframe.java

?-rwxrwx---??????6757??2006-11-26?10:32??FileManage\file\Command.java

?-rwxrwx---????????42??2006-11-16?10:41??FileManage\file\cvs\Root

?-rwxrwx---?????????7??2006-11-16?10:41??FileManage\file\cvs\Repository

?-rwxrwx---???????276??2006-12-20?21:32??FileManage\file\cvs\Entries

?-rwxrwx---???????825??2006-11-25?10:28??FileManage\file\FileTreeCellRenderer.java

?-rwxrwx---????????85??2004-08-26?19:31??FileManage\file\images\transparent.gif

?-rwxrwx---???????904??2004-08-26?19:31??FileManage\file\images\collapsed.gif

?-rwxrwx---???????902??2004-08-26?19:31??FileManage\file\images\expanded.gif

?-rwxrwx---???????986??2004-08-26?19:31??FileManage\file\images\folderIcon.gif

?-rwxrwx---???????917??2004-08-26?19:31??FileManage\file\images\htmlIcon.gif

?-rwxrwx---?????10752??2006-11-25?10:16??FileManage\file\images\Thumbs.db

?-rwxrwx---??????1039??2006-11-25?10:15??FileManage\file\images\icon_folder.gif

?-rwxrwx---???????357??2006-11-25?10:15??FileManage\file\images\icon_folderopen.gif

?-rwxrwx---???????226??2006-11-25?10:13??FileManage\file\images\netdisk.gif

?-rwxrwx---????????42??2006-11-26?11:08??FileManage\file\images\cvs\Root

?-rwxrwx---????????13??2006-11-26?11:08??FileManage\file\images\cvs\Repository

?-rwxrwx---???????453??2006-11-26?11:08??FileManage\file\images\cvs\Entries

?-rwxrwx---??????1374??2006-11-26?09:39??FileManage\file\FileMouseListener.java

?-rwxrwx---??????1948??2006-11-26?10:08??FileManage\file\ExpandListener.java

?-rwxrwx---??????1200??2007-05-17?17:02??FileManage\file\Mainframe$2.class

?-rwxrwx---???????625??2007-05-17?17:02??FileManage\file\Mainframe$4.class

?-rwxrwx---?????10062??2007-05-17?17:02??FileManage\file\Mainframe.class

?-rwxrwx---??????1116??2007-05-17?17:02??FileManage\file\Mainframe$3.class

?-rwxrwx---??????1028??2007-05-17?17:02??FileManage\file\Mainframe$1.class

?-rwxrwx---??????1135??2007-05-17?17:02??FileManage\file\FileTreeCellRenderer.class

?-rwxrwx---??????2088??2007-05-17?17:02??FileManage\file\FileMouseListener.class

?-rwxrwx---??????2594??2007-05-17?17:02??FileManage\file\ExpandListener.class

............此處省略48個(gè)文件信息