Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;

public class Main {
    public static byte[] readByteArray(File file) {
        if (!file.exists() || !file.isFile()) {
            return null;
        }
        byte[] data = null;
        FileInputStream stream = null;
        try {
            stream = new FileInputStream(file);
            data = new byte[(int) file.length()];
            stream.read(data);
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (stream != null) {
                try {
                    stream.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return data;
    }

    public static byte[] readByteArray(InputStream stream, int length) {
        byte[] data = null;
        try {
            data = new byte[(int) length];
            stream.read(data);
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (stream != null) {
                try {
                    stream.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return data;
    }
}