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Java > Open Source Codes > com > puppycrawl > tools > checkstyle > checks > indentation > PrimordialHandler


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.checks.indentation;
20
21 /**
22  * A default no-op handler.
23  *
24  * @author jrichard
25  */
26 public class PrimordialHandler extends ExpressionHandler
27 {
28     /**
29      * Construct an instance of this handler with the given indentation check.
30      *
31      * @param aIndentCheck the indentation check
32      */
33     public PrimordialHandler(IndentationCheck aIndentCheck)
34     {
35         super(aIndentCheck, null, null, null);
36     }
37
38     /**
39      * Check the indentation of the expression we are handling.
40      */
41     public void checkIndentation()
42     {
43         // nothing to check
44 }
45
46     /**
47      * Indentation level suggested for a child element. Children don't have
48      * to respect this, but most do.
49      *
50      * @param aChild child AST (so suggestion level can differ based on child
51      * type)
52      *
53      * @return suggested indentation for child
54      */
55     public IndentLevel suggestedChildLevel(ExpressionHandler aChild)
56     {
57         return new IndentLevel(0);
58     }
59
60     /**
61      * Compute the indentation amount for this handler.
62      *
63      * @return the expected indentation amount
64      */
65     protected IndentLevel getLevelImpl()
66     {
67         return new IndentLevel(0);
68     }
69 }
70
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