Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (c) 2014 - 2015 Ngewi Fet <ngewif@gmail.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.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

import java.nio.channels.FileChannel;

public class Main {
    /**
     * Copies the contents of the file in {@code src} to {@code dst} and then deletes the {@code src} if copy was successful.
     * If the file copy was unsuccessful, the src file will not be deleted.
     * @param src Source file
     * @param dst Destination file
     * @throws IOException if an error occurred during the file copy
     */
    static void moveFile(File src, File dst) throws IOException {
        FileChannel inChannel = new FileInputStream(src).getChannel();
        FileChannel outChannel = new FileOutputStream(dst).getChannel();
        try {
            long bytesCopied = inChannel.transferTo(0, inChannel.size(), outChannel);
            if (bytesCopied >= src.length())
                src.delete();
        } finally {
            if (inChannel != null)
                inChannel.close();
            outChannel.close();
        }
    }
}