Java FileChannel Copy copyFile(java.io.File fromFile, java.io.File toFile)

Description

Copy one file to another.

License

Apache License

Parameter

Parameter	Description
fromFile	the file to copy from.
toFile	the file to copy to.

Exception

Parameter	Description
IOException	if there is an IO problem.

Declaration

public static void copyFile(java.io.File fromFile, java.io.File toFile) throws IOException 

Method Source Code

//package com.java2s;
/*   Copyright 2004-2014 Jim Voris
 *
 *   Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.//from   ww  w.jav  a 2  s  . c  o m
 */

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.channels.FileChannel;

public class Main {
    /**
     * Copy one file to another.
     *
     * @param fromFile the file to copy from.
     * @param toFile the file to copy to.
     * @throws IOException if there is an IO problem.
     */
    public static void copyFile(java.io.File fromFile, java.io.File toFile) throws IOException {
        FileChannel toChannel;
        try (FileChannel fromChannel = new FileInputStream(fromFile).getChannel()) {
            toChannel = new FileOutputStream(toFile).getChannel();
            toChannel.transferFrom(fromChannel, 0L, fromChannel.size());
        }
        toChannel.close();
    }
}

Related

1. copyFile(final File srcFile, final File destFile)
2. copyFile(final File srcFile, final File destFile)
3. copyFile(final String src, final String dest)
4. copyFile(final String src, final String dst)
5. copyFile(InputStream is, OutputStream os)
6. copyFile(java.io.File in, java.io.File out)
7. copyFile(Path source, Path target)
8. copyFile(String fromFileName, String toFileName)
9. copyFile(String fromPath, String toPath)