Android Directory Copy copyDirectory(File sourceDir, File targetDir)

Description

copy Directory

Declaration

public static void copyDirectory(File sourceDir, File targetDir)
            throws IOException 

Method Source Code

//package com.java2s;

import java.io.*;

public class Main {
    private final static int BUFFER = 8192;

    public static void copyDirectory(File sourceDir, File targetDir)
            throws IOException {
        //??????/* w ww  .j a  va  2  s  .  com*/
        targetDir.mkdirs();
        if (null != sourceDir) {
            //????????????????
            File[] file = sourceDir.listFiles();
            for (int i = 0; i < file.length; i++) {
                if (file[i].isFile()) {
                    File sourceFile = file[i];
                    File targetFile = new File(targetDir.getAbsolutePath()
                            + File.separator + file[i].getName());
                    copyFile(sourceFile, targetFile);
                } else if (file[i].isDirectory()) {
                    File dir1 = new File(sourceDir, file[i].getName());
                    File dir2 = new File(targetDir, file[i].getName());
                    copyDirectory(dir1, dir2);
                }
            }
        }
    }

    public static void copyFile(File sourceFile, File targetFile)
            throws IOException {
        BufferedInputStream inBuff = null;
        BufferedOutputStream outBuff = null;
        if (null != sourceFile && null != targetFile) {
            try {
                inBuff = new BufferedInputStream(new FileInputStream(
                        sourceFile));
                outBuff = new BufferedOutputStream(new FileOutputStream(
                        targetFile));
                byte[] buffer = new byte[BUFFER];
                int length;
                while ((length = inBuff.read(buffer)) != -1) {
                    outBuff.write(buffer, 0, length);
                }
                outBuff.flush();
            } finally {
                if (inBuff != null) {
                    inBuff.close();
                }
                if (outBuff != null) {
                    outBuff.close();
                }
            }
        }
    }
}

Related

1. copyDirectory(File from, File to)
2. copyDirectory(File from, File to, byte[] buffer)
3. copyDirectory(File source, File destination)
4. copyDirectory(String from, String to)
5. copyDirectory(String sourceDirName, String destinationDirName)