Java Recursive Copy recursiveCopy(File sourceFile, File targetLocation)

Description

recursive Copy

License

Open Source License

Declaration

private static void recursiveCopy(File sourceFile, File targetLocation) throws IOException 

Method Source Code

//package com.java2s;
/*/*  w  w  w  . j ava  2  s.  c o  m*/
 * Copyright: (c) 2004-2010 Mayo Foundation for Medical Education and 
 * Research (MFMER). All rights reserved. MAYO, MAYO CLINIC, and the
 * triple-shield Mayo logo are trademarks and service marks of MFMER.
 *
 * Except as contained in the copyright notice above, or as used to identify 
 * MFMER as the author of this software, the trade names, trademarks, service
 * marks, or product names of the copyright holder shall not be used in
 * advertising, promotion or otherwise in connection with this software without
 * prior written authorization of the copyright holder.
 * 
 * Licensed under the Eclipse Public License, Version 1.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at 
 * 
 *       http://www.eclipse.org/legal/epl-v10.html
 * 
 */

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;

import java.io.IOException;

public class Main {
    private static void recursiveCopy(File sourceFile, File targetLocation) throws IOException {
        if (sourceFile.isFile()) {
            copyFile(sourceFile, new File(targetLocation, sourceFile.getName()));
            return;
        }
        // source file must be a directory

        File targetFolder = new File(targetLocation, sourceFile.getName());
        targetFolder.mkdir();

        File[] subFiles = sourceFile.listFiles();
        for (int i = 0; i < subFiles.length; i++) {
            recursiveCopy(subFiles[i], targetFolder);
        }
    }

    private static void copyFile(File sourceFile, File targetFile) throws IOException {
        BufferedInputStream bis = null;
        BufferedOutputStream bos = null;

        bis = new BufferedInputStream(new FileInputStream(sourceFile));
        bos = new BufferedOutputStream(new FileOutputStream(targetFile));

        byte[] buffer = new byte[2048];
        while (true) {
            int bytes_read = 0;

            bytes_read = bis.read(buffer);

            if (bytes_read == -1) {
                break;
            }
            bos.write(buffer, 0, bytes_read);
        }

        bis.close();
        bos.close();

        targetFile.setLastModified(sourceFile.lastModified());
    }
}

Related

1. recursiveCopy(File copyFromDir, File copyToDir, boolean overwrite)
2. recursiveCopy(File src, File dest)
3. recursiveCopyDir(File source, File destination)
4. recursiveCopyFile(File srcDir, File destDir)