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;
/*//w w  w  .  j  a  v a 2s. co m
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 * Development and Distribution License("CDDL") (collectively, the
 * "License"). You may not use this file except in compliance with the
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import java.io.File;

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

public class Main {
    public static void copyFile(File source, File destination) throws IOException {
        if (!source.exists() || !source.isFile()) {
            throw new IOException("Source is not valid for copying.");
        }

        if (!destination.exists()) {
            destination.getParentFile().mkdirs();
            destination.createNewFile();
        }

        final File realDest = destination.isDirectory() ? new File(destination, source.getName()) : destination;

        FileInputStream input = null;
        FileOutputStream output = null;

        try {
            input = new FileInputStream(source);
            output = new FileOutputStream(realDest);

            byte[] buffer = new byte[4096];
            while (input.available() > 0) {
                output.write(buffer, 0, input.read(buffer));
            }
        } finally {
            if (input != null) {
                input.close();
            }

            if (output != null) {
                output.close();
            }
        }
    }
}

Java FileInputStream Copy copyFile(File source, File destination)

Description

License

Declaration

Method Source Code

Related