Java FileChannel Copy copyAndReplace(File from, File to)

Description

copy And Replace

License

Open Source License

Declaration

public static void copyAndReplace(File from, File to) throws IOException 

Method Source Code

//package com.java2s;
/*//from   w w  w  . java2s .  c  om
 *
 * Copyright (c) 2010-2015 ForgeRock AS. All Rights Reserved
 *
 * The contents of this file are subject to the terms
 * of the Common Development and Distribution License
 * (the License). You may not use this file except in
 * compliance with the License.
 *
 * You can obtain a copy of the License at
 * http://www.opensource.org/licenses/cddl1.php or
 * OpenIDM/legal/CDDLv1.0.txt
 * See the License for the specific language governing
 * permission and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL
 * Header Notice in each file and include the License file
 * at OpenIDM/legal/CDDLv1.0.txt.
 * If applicable, add the following below the CDDL Header,
 * with the fields enclosed by brackets [] replaced by
 * your own identifying information:
 * "Portions Copyrighted 2010 [name of copyright owner]"
 * 
 * Portions Copyrighted 2011 Viliam Repan (lazyman)
 * 
 */

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

import java.nio.channels.FileChannel;

public class Main {
    public static void copyAndReplace(File from, File to) throws IOException {
        if (to.exists()) {
            to.delete();
        }
        to.createNewFile();

        FileChannel inChannel = new FileInputStream(from).getChannel();
        FileChannel outChannel = new FileOutputStream(to).getChannel();
        try {
            inChannel.transferTo(0, inChannel.size(), outChannel);
        } finally {
            if (inChannel != null) {
                inChannel.close();
            }
            if (outChannel != null) {
                outChannel.close();
            }
        }
    }
}

Related

1. copy0(File src, File dest)
2. copy12(File file1, File file2)
3. copy2(String sourceFileName, String destFileName)
4. copyAFile(File source, File target)
5. copyAll(File source, File targetDir)
6. copyChannel(ReadableByteChannel in, long length, FileChannel out)
7. copyFile(File aFromFile, String aToFilename)
8. copyFile(File copyFrom, File copyTo)
9. copyFile(File file, String destDir)