70e24c282413001c1b23d9cae356ef96

java编程思想是一本非常经典的书籍 此源码包涵了书籍的所有源码 书籍源码

package Book.c12;

//: c12:DirList.java
// Displays directory listing using regular expressions.
// {Args: "D.*\.java"}
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.
import java.io.*;
import java.util.*;
import java.util.regex.*;
import com.bruceeckel.util.*;

public class DirList {
  public static void main(String[] args) {
    File path = new File("Book/c12");
    
     ArrayList list=new ArrayList();
     
//     String aa="DirList.java";
     String[] argss={"Alien.java","Blip3.java"};
    if(argss.length == 0)
    {
      list.add(path.list());
      
    }
    else
    	for(int i=0;i<argss.length;i++){
      list.add( path.list(new DirFilter(argss[i])));}
//    System.out.println(argss[0]);
//    Arrays.sort(list, new AlphabeticComparator());
    for(int i = 0; i < list.size(); i++)
      System.out.println(list.get(i));
  }
}

class DirFilter implements FilenameFilter {
  private Pattern pattern;
  public DirFilter(String regex) {
    pattern = Pattern.compile(regex);
  }
  public boolean accept(File dir, String name) {
    // Strip path information, search for regex:
    return pattern.matcher( 
      new File(name).getName()).matches();
  }
} ///:~