Java FileInputStream Copy copyFile(File source, File destination)

Description

copy File

License

Open Source License

Declaration

public static void copyFile(File source, File destination) throws IOException 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.io.File;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

public class Main {
    public static void copyFile(File source, File destination) throws IOException {
        ///*from   ww  w .  j a  va  2s. c  o m*/
        // if the destination is a dir, what we really want to do is create
        // a file with the same name in that dir
        //
        if (destination.isDirectory())
            destination = new File(destination, source.getName());

        FileInputStream input = new FileInputStream(source);
        copyFile(input, destination);
    }

    public static void copyFile(InputStream input, File destination) throws IOException {
        OutputStream output = null;

        output = new FileOutputStream(destination);

        byte[] buffer = new byte[1024];

        int bytesRead = input.read(buffer);

        while (bytesRead >= 0) {
            output.write(buffer, 0, bytesRead);
            bytesRead = input.read(buffer);
        }

        input.close();

        output.close();
    }
}

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