Java FileChannel Copy copyFile(File sourceFile, File destFile)

Description

copy File

License

Apache License

Declaration

public static void copyFile(File sourceFile, File destFile) 

Method Source Code

//package com.java2s;
/*//from   w  w  w  . j  a  va 2  s. co m
 * Copyright 2015 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * 
 *      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.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

import java.nio.channels.FileChannel;

public class Main {
    public static void copyFile(File sourceFile, File destFile) {
        destFile.getParentFile().mkdirs();
        if (!destFile.exists()) {
            try {
                destFile.createNewFile();
            } catch (IOException ioe) {
                throw new RuntimeException("Unable to create file " + destFile.getAbsolutePath(), ioe);
            }
        }

        FileChannel source = null;
        FileChannel destination = null;

        try {
            source = new FileInputStream(sourceFile).getChannel();
            destination = new FileOutputStream(destFile).getChannel();
            destination.transferFrom(source, 0, source.size());
        } catch (IOException ioe) {
            throw new RuntimeException(
                    "Unable to copy " + sourceFile.getAbsolutePath() + " to " + destFile.getAbsolutePath(), ioe);
        } finally {
            if (source != null) {
                try {
                    source.close();
                } catch (IOException e) {
                }
            }
            if (destination != null) {
                try {
                    destination.close();
                } catch (IOException e) {
                }
            }
        }
    }
}

Related

1. copyFile(File source, File target)
2. copyFile(File source, File target)
3. copyFile(File source, File target)
4. copyFile(File source, File target)
5. copyFile(File sourceFile, File destFile)
6. copyFile(File sourceFile, File destFile)
7. copyFile(File sourceFile, File destFile)
8. copyFile(File sourceFile, File destFile)
9. copyFile(File sourceFile, File destFile)