/*

  * Licensed to the Apache Software Foundation (ASF) under one or more

  * contributor license agreements.  See the NOTICE file distributed with

  * this work for additional information regarding copyright ownership.

  * The ASF licenses this file to You 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.

  */

 package org.apache.any23.util;

 import java.security.MessageDigest;

 import java.security.NoSuchAlgorithmException;

 /**

  * General utility functions.

  *

  * @author Michele Mostarda (mostarda@fbk.eu)

  * @author Davide Palmisano (palmisano@fbk.eu)

  */

 public class MathUtils {

     private MathUtils(){}

     public static final String md5(String s) {

         try {

             MessageDigest md5 = MessageDigest.getInstance("MD5");

             md5.reset();

             md5.update(s.getBytes());

             byte[] digest = md5.digest();

             StringBuffer result = new StringBuffer();

             for (byte b : digest) {

                 result.append(Integer.toHexString(0xFF & b));

             }

             return result.toString();

         } catch (NoSuchAlgorithmException e) {

             throw new RuntimeException("Should never happen, MD5 is supported", e);

         }

     }

 }