Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 *   Copyright (C)  2016 android@19code.com
 *
 *   Licensed 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.Closeable;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;

import java.io.IOException;

import java.nio.channels.FileChannel;

public class Main {
    public static void copyFileFast(File in, File out) {
        FileChannel filein = null;
        FileChannel fileout = null;
        try {
            filein = new FileInputStream(in).getChannel();
            fileout = new FileOutputStream(out).getChannel();
            filein.transferTo(0, filein.size(), fileout);
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            closeIO(filein, fileout);
        }
    }

    public static void closeIO(Closeable... closeables) {
        if (null == closeables || closeables.length <= 0) {
            return;
        }
        for (Closeable cb : closeables) {
            try {
                if (null == cb) {
                    continue;
                }
                cb.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}