Configuration


1   ////////////////////////////////////////////////////////////////////////////////
2   // checkstyle: Checks Java source code for adherence to a set of rules.
3   // Copyright (C) 2001-2005  Oliver Burn
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  package com.puppycrawl.tools.checkstyle.api;
20  
21  import java.io.Serializable  ;
22  
23  
24  /**
25   * A Configuration is used to configure a Configurable component.  The general
26   * idea of Configuration/Configurable was taken from <a target="_top"
27   * HREF="http://jakarta.apache.org/avalon/">Jakarta's Avalon framework</a>.
28   * @author lkuehne
29   */
30  public interface Configuration extends Serializable  
31  {
32      /**
33       * The set of attribute names.
34       * @return The set of attribute names, never null.
35       */
36      String  [] getAttributeNames();
37  
38      /**
39       * The attribute value for an attribute name.
40       * @param aName the attribute name
41       * @return the value that is associated with aName
42       * @throws CheckstyleException if aName is not a valid attribute name
43       */
44      String   getAttribute(String   aName) throws CheckstyleException;
45  
46      /**
47       * The set of child configurations.
48       * @return The set of child configurations, never null.
49       */
50      Configuration[] getChildren();
51  
52      /**
53       * The name of this configuration.
54       * @return The name of this configuration.
55       */
56      String   getName();
57  }
58
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