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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.checks.naming;
21  
22  import com.puppycrawl.tools.checkstyle.api.DetailAST;
23  import com.puppycrawl.tools.checkstyle.api.TokenTypes;
24  
25  /**
26   * <div>
27   * Checks that record component names conform to a specified pattern.
28   * </div>
29   * <ul>
30   * <li>
31   * Property {@code format} - Sets the pattern to match valid identifiers.
32   * Type is {@code java.util.regex.Pattern}.
33   * Default value is {@code "^[a-z][a-zA-Z0-9]*$"}.
34   * </li>
35   * </ul>
36   *
37   * <p>
38   * Parent is {@code com.puppycrawl.tools.checkstyle.TreeWalker}
39   * </p>
40   *
41   * <p>
42   * Violation Message Keys:
43   * </p>
44   * <ul>
45   * <li>
46   * {@code name.invalidPattern}
47   * </li>
48   * </ul>
49   *
50   * @since 8.40
51   */
52  public class RecordComponentNameCheck extends AbstractNameCheck {
53  
54      /** Creates a new {@code RecordComponentNameCheck} instance. */
55      public RecordComponentNameCheck() {
56          super("^[a-z][a-zA-Z0-9]*$");
57      }
58  
59      @Override
60      public int[] getDefaultTokens() {
61          return getRequiredTokens();
62      }
63  
64      @Override
65      public final int[] getAcceptableTokens() {
66          return getRequiredTokens();
67      }
68  
69      @Override
70      public int[] getRequiredTokens() {
71          return new int[] {
72              TokenTypes.RECORD_COMPONENT_DEF,
73          };
74      }
75  
76      @Override
77      protected final boolean mustCheckName(DetailAST ast) {
78          return true;
79      }
80  
81  }