dirlist.java

来自「利用JavaMail实现的发送及接收邮件的程序」· Java 代码 · 共 88 行

package com.digipower.automail.mailsender;

/**
 * <p>Title: </p>
 * <p>Description: TestStruts</p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: foxconn</p>
 * @author conti
 * @version 1.0
 */
import java.io.*;
import java.util.*;

/**
 * @author Administrator
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class DirList {

       /* public static void main(String[] args) {
                DirList dlist= new DirList();
                if (args.length!=0)
                    dlist.showAllfile(args[0],args[1]);
                else
                        dlist.showAllfile(".","");
        }*/
        public void showAllfile(String directoryname,String filter){


                File path = new File(directoryname);
                String[] list;
                if(filter.length()==0)
                        list = path.list();
                else
                        list = path.list(new DirFilter(filter));

                if (list==null )
                        return;

                Arrays.sort(list,new AlphabeticComparator());

                for(int i=0 ;i<list.length;i++)
                {
                        File enumfilename = new File(converttoPath(path.getPath()+"\\"+list[i]));
                        if (enumfilename.isDirectory())
                        {
//System.out.println("Directory: "+list[i]);
                                showAllfile(converttoPath(path.getPath()+"\\"+list[i]),filter);
                        }
                        else
                                System.out.println(list[i]);
                }
        }
        public String converttoPath(String pathName){
                StringBuffer bufferdir= new StringBuffer(pathName);
                for(int i=0;i<bufferdir.length();i++)
                        if (bufferdir.charAt(i)=='\\')
                        {
                                bufferdir.insert(++i,'\\');
                        }
                return new String(bufferdir);
        }
}

class DirFilter implements FilenameFilter{
        String afn;
        DirFilter(String afn){
                this.afn=afn;
        }
        public boolean accept(File dir,String name){
                String f = new File(name).getName();
                if (afn.length()==0)
                        return true;
                else
                        return f.indexOf(afn)!=-1;
        }
}

class AlphabeticComparator implements Comparator{
        public int compare(Object o1,Object o2){
                String s1=(String)o1;
                String s2=(String)o2;
                return s1.toLowerCase().compareTo(s2.toLowerCase());
        }
}