/** * Copyright (c) Codice Foundation * <p> * This is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser * General Public License as published by the Free Software Foundation, either version 3 of the * License, or any later version. * <p> * This program 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 * Lesser General Public License for more details. A copy of the GNU Lesser General Public License * is distributed along with this program and can be found at * <http://www.gnu.org/licenses/lgpl.html>. */ package ddf.security.expansion.impl; public class RegexExpansion extends AbstractExpansion { public RegexExpansion() { } /** * Performs an expansion using regular expressions for both parts of the rule. The first element * is a regular expression identifying what to find in the original string, the second element * is a regular expression indicating what is to be replaced (may contain substitution groups, * etc.) * * @param original * The original string to be expanded * @param rule * Two values specifying the expression to search for and the expression to replace * it with * @return the (potentially) expanded string as a result of applying the expansion rule */ @Override protected String doExpansion(String original, String[] rule) { String expandedValue; expandedValue = original.replaceAll(rule[0], rule[1]); return expandedValue; } }