Java FileChannel Copy copyFile(File src, File dst)

Description

copy File

License

Apache License

Declaration

public static void copyFile(File src, File dst) throws IOException 

Method Source Code

//package com.java2s;
/*//from  w  w  w.ja  v  a 2 s.c om
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

import java.io.File;

import java.io.IOException;

import java.io.RandomAccessFile;
import java.nio.channels.FileChannel;

public class Main {
    public static void copyFile(File src, File dst) throws IOException {
        FileChannel c1 = new RandomAccessFile(src, "r").getChannel();
        FileChannel c2 = new RandomAccessFile(dst, "rw").getChannel();

        long tCount = 0, size = c1.size();
        //noinspection StatementWithEmptyBody
        while ((tCount += c2.transferFrom(c1, 0, size - tCount)) < size) {
        }

        c1.close();
        c2.force(true);
        c2.close();
    }
}

Related

1. copyFile(File src, File destination)
2. copyFile(File src, File dst)
3. copyFile(File src, File dst)
4. copyFile(File src, File dst)
5. copyFile(File src, File dst)
6. copyFile(File src, File target)
7. copyFile(File src, File target)
8. copyFile(File srcFile, File destFile, boolean preserveFileDate)
9. copyFile(File srcFile, File destFile, boolean preserveFileDate)