1 /////////////////////////////////////////////////////////////////////////////////////////////// 2 // checkstyle: Checks Java source code and other text files for adherence to a set of rules. 3 // Copyright (C) 2001-2024 the original author or authors. 4 // 5 // This library is free software; you can redistribute it and/or 6 // modify it under the terms of the GNU Lesser General Public 7 // License as published by the Free Software Foundation; either 8 // version 2.1 of the License, or (at your option) any later version. 9 // 10 // This library is distributed in the hope that it will be useful, 11 // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 // Lesser General Public License for more details. 14 // 15 // You should have received a copy of the GNU Lesser General Public 16 // License along with this library; if not, write to the Free Software 17 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 /////////////////////////////////////////////////////////////////////////////////////////////// 19 20 package com.puppycrawl.tools.checkstyle; 21 22 /** 23 * Resolves properties in module configurations. 24 * 25 * <p>The {@link ConfigurationLoader} uses a PropertyResolver to 26 * resolve the values of external properties like {@code ${basename}} 27 * that occur in the configuration file. 28 * 29 * @see ConfigurationLoader 30 */ 31 @FunctionalInterface 32 public interface PropertyResolver { 33 34 /** 35 * Resolves a property name to its value. 36 * 37 * @param name the name of the property. 38 * @return the value that is associated with {@code propertyName}. 39 */ 40 String resolve(String name); 41 42 }