copyfileutil.java

一款用 java开发的文件管理软件

package util;

import java.io.*;
import java.util.*;

/**
 * 澶嶅埗鏂囦欢 by lecky.lee 2006-06-08
 */
public class CopyFileUtil {

	public static void copyDir(String url1, String url2) throws IOException {

		(new File(url2)).mkdirs();
		File[] file = (new File(url1)).listFiles();
		for (int i = 0; i < file.length; i++) {
			if (file[i].isFile()) {
				FileInputStream input = new FileInputStream(file[i]);
				FileOutputStream output = new FileOutputStream(url2 + "/"
						+ file[i].getName());
				byte[] b = new byte[1024 * 5];
				int len;
				while ((len = input.read(b)) != -1) {
					output.write(b, 0, len);
				}
				output.flush();
				output.close();
				input.close();
			}
			if (file[i].isDirectory()) {
				copyDirectiory(url2 + "/" + file[i].getName(), url1 + "/"
						+ file[i].getName());
			}
		}
	}

	public static void copyDirectiory(String file1, String file2)
			throws IOException {
		(new File(file1)).mkdirs();
		File[] file = (new File(file2)).listFiles();
		for (int i = 0; i < file.length; i++) {
			if (file[i].isFile()) {
				FileInputStream input = new FileInputStream(file[i]);
				FileOutputStream output = new FileOutputStream(file1 + "/"
						+ file[i].getName());
				byte[] b = new byte[1024 * 5];
				int len;
				while ((len = input.read(b)) != -1) {
					output.write(b, 0, len);
				}
				output.flush();
				output.close();
				input.close();
			}
			if (file[i].isDirectory()) {
				copyDirectiory(file1 + "/" + file[i].getName(), file2 + "/"
						+ file[i].getName());
			}

		}

	}
}