Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import java.io.File;

import java.io.IOException;

import java.io.RandomAccessFile;

import java.nio.MappedByteBuffer;
import java.nio.channels.FileChannel;

public class Main {
    private static byte[] readFile2Bytes(final File file) {
        FileChannel fc = null;
        try {
            fc = new RandomAccessFile(file, "r").getChannel();
            int size = (int) fc.size();
            MappedByteBuffer mbb = fc.map(FileChannel.MapMode.READ_ONLY, 0, size).load();
            byte[] data = new byte[size];
            mbb.get(data, 0, size);
            return data;
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        } finally {
            try {
                if (fc != null) {
                    fc.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}