maildirmake.java

jsp全部邮件系统 jsp全部邮件系统

	package fengyun.Fastmail.util;
	import java.io.*;

	/**
	 * 构件Maildir的目录结构
	 * @author fengyun
	 * @version 1.00
	 */	
	public class MaildirMake {
		
		public static final int HOMEDIR_EXISTS = 100;
		public static final int MAILDIR_EXISTS = 101;
		public static final int CHANGEMOD_ERROR = -1;
		public static final int CREATE_ERROR = -2;
		public static final int OK = 0;

		/**
		 * 建用户目录
		 * @param home 用户目录
		 * @param owner 目录所有者
		 * @return int 返回消息
		 */
		public static int makehome(String home,String owner) {
			File homedir=new File(home);
			if (homedir.exists())
				return HOMEDIR_EXISTS;
			else {
				homedir.mkdirs();
				if (owner==null || "".equals(owner)) owner="virtual";
				try {
					Runtime chg=Runtime.getRuntime();
					chg.exec("/bin/chown -R "+owner+". "+homedir.getAbsolutePath());
					chg.exec("/bin/chmod -R 711 " + homedir.getAbsolutePath());
				}
				catch(IOException ioe) {
					ioe.printStackTrace();
					return CHANGEMOD_ERROR;
				}
				return OK;
			}
		}
		/**
		 * 建立用户Maildir
		 * @param dirname Maildir
		 * @param owner 所有者
		 * @return int 消息
		 */
		public static int make(String dirname,String owner) {
			File maildir=new File(dirname);
   
			if (maildir.exists())
				return MAILDIR_EXISTS;
			else {
				if (maildir.getParent()!=null) {
					File homedir=new File(maildir.getParent());
					if (!homedir.exists()) {
						makehome(homedir.getAbsolutePath(),owner);
					}
				}

				maildir.mkdirs();
				String subdir[]={"","rev","tmp","src","snt","dsb"};

				for(int i=1;i<subdir.length;i++) {
					File fsubdir=new File(maildir,subdir[i]);
					if(!fsubdir.mkdir()) return CREATE_ERROR;
				}
              
				try {
					if (owner=="") owner="virtual";

					String chown="/bin/chown "+owner+". "+maildir.getAbsolutePath();
					String chmod="/bin/chmod 0700 "+maildir.getAbsolutePath();

					Runtime chg=Runtime.getRuntime();
	                                                      
					for(int i=0;i<subdir.length;i++) {
						chg.exec(chown+"/"+subdir[i]);
						chg.exec(chmod+"/"+subdir[i]);
					}
				}
				catch(IOException ioe) {
					ioe.printStackTrace();
					return MaildirMake.CHANGEMOD_ERROR;
				}
				return OK;
			}
		}
		/**
		 * 建立Maildir(默认所有者)
		 * @param dirname Maildir
		 * @return int 消息
		 */
		public static int make(String dirname) {
			return(make(dirname,""));
		}
		/**
		 * 应用程序
		 * @param args[0] Maildir
		 * @param args[1] Owner
		 */
		public static void main(String args[]) {
			if (args.length<1) {
				System.err.println("Usage:java maildirmake MAILDIR\nCommand: java maildirmake Maildir Owner");
				System.exit(-1);
			}
			int status = OK;
			if (args.length==1) {
				status = make(args[0]);
			}
			else {
				status = make(args[0],args[1]);
			}
			String message = "";
			switch(status) {
			case OK: {
							  message = "Sucess Create Directory";
							  break;
						  }
			case CHANGEMOD_ERROR :
						  {
							  message = "Change Module Error or Change Owner Error";
							  break;
						  }
			case CREATE_ERROR: 
						  {
							  message = "Can't create the Directory";
							  break;
						  }
			case HOMEDIR_EXISTS :
						  {
							  message = "Home Directory is exists";
							  break;
						  }
			case MAILDIR_EXISTS :
						  {
							  message = "Maildir is exists";
							  break;
						  }
			}
			System.out.println(message);
		}
	}