Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/* Copyright (C) 2010-2011, Mamadou Diop.
 *  Copyright (C) 2011, Doubango Telecom.
 *
 * Contact: Mamadou Diop <diopmamadou(at)doubango(dot)org>
 *   
 * This file is part of imsdroid Project (http://code.google.com/p/imsdroid)
 *
 * imsdroid is free software: you can redistribute it and/or modify it under the terms of 
 * the GNU General Public License as published by the Free Software Foundation, either version 3 
 * of the License, or (at your option) any later version.
 *   
 * imsdroid is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
 * See the GNU General Public License for more details.
 *   
 * You should have received a copy of the GNU General Public License along 
 * with this program; if not, write to the Free Software Foundation, Inc., 
 * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

import java.math.BigInteger;
import java.security.MessageDigest;

public class Main {
    private static MessageDigest sMD5Digest;

    public static String getMD5(String str) {
        if (str != null) {
            try {
                final BigInteger bigInt;
                if (sMD5Digest == null) {
                    sMD5Digest = MessageDigest.getInstance("MD5");
                }
                synchronized (sMD5Digest) {
                    sMD5Digest.reset();
                    bigInt = new BigInteger(1, sMD5Digest.digest(str.getBytes("UTF-8")));
                }
                String hash = bigInt.toString(16);
                while (hash.length() < 32) {
                    hash = "0" + hash;
                }
                return hash;
            } catch (Exception e) {
                e.printStackTrace();
                return null;
            }
        }

        return null;
    }
}