001/** 002 * 003 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved. 004 * 005 * This library is free software; you can redistribute it and/or 006 * modify it under the terms of the GNU Lesser General Public 007 * License as published by the Free Software Foundation; either 008 * version 2.1 of the License, or (at your option) any later version. 009 * 010 * This library is distributed in the hope that it will be useful, 011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 013 * Lesser General Public License for more details. 014 * 015 * You should have received a copy of the GNU Lesser General Public 016 * License along with this library. If not, see <http://www.gnu.org/licenses/>. 017 * 018 **/ 019package lucee.commons.lang; 020 021import java.io.IOException; 022 023 024public class KeyGenerator { 025 public static String createKey(String value) throws IOException{ 026 // create a crossfoot of the string and change result in constealltion of the position 027 long sum=0; 028 for(int i=value.length()-1;i>=0;i--){ 029 sum+=(value.charAt(i))*((i%3+1)/2f); 030 } 031 return Md5.getDigestAsString(value)+":"+sum; 032 } 033 public static String createVariable(String value) throws IOException{ 034 // create a crossfoot of the string and change result in constealltion of the position 035 long sum=0; 036 for(int i=value.length()-1;i>=0;i--){ 037 sum+=(value.charAt(i))*((i%3+1)/2f); 038 } 039 return "V"+Md5.getDigestAsString(value)+sum; 040 } 041}