Java tutorial
/* * Copyright (c) 2014. * Apex Expert Solutions * http://www.apexxs.com * * ==================================================================== * * Licensed 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. * * ==================================================================== * * MD5Utilities.java * * ==================================================================== */ package com.apexxs.neonblack.utilities; import org.apache.commons.lang.StringUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.math.BigInteger; import java.security.MessageDigest; public class MD5Utilities { public final static Logger logger = LoggerFactory.getLogger(MD5Utilities.class); public MD5Utilities() { } public static String getMD5Hash(String s) { String md5Hash = StringUtils.EMPTY; try { MessageDigest md = MessageDigest.getInstance("MD5"); md.reset(); byte[] bytes = md.digest(s.getBytes("UTF-8")); md5Hash = String.format("%032x", new BigInteger(1, bytes)); } catch (Exception ex) { logger.error("Error generating MD5 hash from " + s + "\n" + ex.getMessage()); } return md5Hash; } }