Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*****************************************************************************
 ** ANGRYBIRDS AI AGENT FRAMEWORK
 ** Copyright (c) 2013,XiaoYu (Gary) Ge, Stephen Gould,Jochen Renz
 **  Sahan Abeyasinghe, Jim Keys, Kar-Wai Lim, Zain Mubashir,  Andrew Wang, Peng Zhang
 ** All rights reserved.
 **This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. 
 **To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/ 
 *or send a letter to Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.
 *****************************************************************************/

import java.awt.image.*;
import java.io.*;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

import javax.imageio.*;

public class Main {
    public static String imageDigest(BufferedImage img) {

        // write image to byte stream
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        try {
            ImageIO.write(img, "png", os);
            os.flush();
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
        byte[] data = os.toByteArray();

        // compute md5 hash
        byte[] hash = null;
        try {
            MessageDigest md = MessageDigest.getInstance("MD5");
            md.update(data);
            hash = md.digest();
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
            return null;
        }

        // convert to string
        String hexString = "";
        for (int i = 0; i < hash.length; i++) {
            hexString += Integer.toString((hash[i] & 0xff) + 0x100, 16).substring(1);
        }
        return hexString;
    }
}