Java FileChannel Copy copyFile(File sourceFile, File destFile)

Description

copy File

License

Apache License

Declaration

public static void copyFile(File sourceFile, File destFile) throws IOException 

Method Source Code

//package com.java2s;
//License from project: Apache 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) throws IOException {
        if (!destFile.exists()) {
            destFile.createNewFile();//from   ww  w  .  ja  v a2  s.  c  om
        }
        FileInputStream fIn = null;
        FileOutputStream fOut = null;
        FileChannel source = null;
        FileChannel destination = null;
        try {
            fIn = new FileInputStream(sourceFile);
            source = fIn.getChannel();
            fOut = new FileOutputStream(destFile);
            destination = fOut.getChannel();
            long transfered = 0;
            long bytes = source.size();
            while (transfered < bytes) {
                transfered += destination.transferFrom(source, 0, source.size());
                destination.position(transfered);
            }
        } finally {
            if (source != null) {
                source.close();
            } else if (fIn != null) {
                fIn.close();
            }
            if (destination != null) {
                destination.close();
            } else if (fOut != null) {
                fOut.close();
            }
        }
    }
}

Related

1. copyFile(File sourceFile, File destFile)
2. copyFile(File sourceFile, File destFile)
3. copyFile(File sourceFile, File destFile)
4. copyFile(File sourceFile, File destFile)
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)