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1   ////////////////////////////////////////////////////////////////////////////////
2   // checkstyle: Checks Java source code for adherence to a set of rules.
3   // Copyright (C) 2001-2017 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.api;
21  
22  /**
23   * A component that can be configured.
24   * Note: Configuring of object mean copy user defined properties to object.
25   * Contextualizing is inheriting some properties from parent that are provided by user
26   * to parent object or created by parent object.
27   * The general idea of
28   * Configuration/Configurable was taken from <a target="_top"
29   * href="http://avalon.apache.org/closed.html">Jakarta's Avalon framework</a>.
30   * @author lkuehne
31   */
32  @FunctionalInterface
33  public interface Configurable {
34      /**
35       * Configures this component.
36       * @param configuration the configuration to use.
37       * @throws CheckstyleException if there is a configuration error.
38       */
39      void configure(Configuration configuration) throws CheckstyleException;
40  }