java 列出一个目录下的所有文件

[java]代码库

/*
 * SearchFile.java
 *
 * Created on 2006年8月22日, 下午4:45
 *
 * 找出一个目录下所有的文件
 */
package study.iostudy;

import java.io.*;

public class SearchFile {
	public static void main(String[] args) {
		File dirObject = new File("D:\\aa");
		Filter1 filterObj1 = new Filter1("HTML");
		Filter2 filterObj2 = new Filter2("Applet");
		System.out.println("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
		System.out.println("list HTML files in directory: " + dirObject);
		String[] filesObj1 = dirObject.list(filterObj1);
		for (int i = 0; i < filesObj1.length; i++) {
			File fileObject = new File(dirObject, filesObj1[i]);
			System.out.println(((fileObject.isFile()) ? "HTML file: "
					: "sub directory: ") + fileObject);
		}
		System.out.println("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
		String[] filesObj2 = dirObject.list(filterObj2);
		for (int i = 0; i < filesObj2.length; i++) {
			File fileObject = new File(dirObject, filesObj2[i]);
			System.out.println(((fileObject.isFile()) ? "htm file: "
					: "sub directory: ") + fileObject);
		}
	}
}

class Filter1 implements FilenameFilter {
	String fileExtent;

	Filter1(String extentObj) {
		fileExtent = extentObj;
	}

	public boolean accept(File dir, String name) {
		return name.endsWith("." + fileExtent);
	}
}

class Filter2 implements FilenameFilter {
	String fileName;

	Filter2(String fileName) {
		this.fileName = fileName;
	}

	public boolean accept(File dir, String name) {
		return name.startsWith(fileName + ".");
	}
}