1 ///////////////////////////////////////////////////////////////////////////////////////////////
2 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
3 // Copyright (C) 2001-2025 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 }