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


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 import com.puppycrawl.tools.checkstyle.api.DetailAST;
22
23 /**
24  * Handler for try blocks.
25  *
26  * @author jrichard
27  */
28 public class TryHandler extends BlockParentHandler
29 {
30     /**
31      * Construct an instance of this handler with the given indentation check,
32      * abstract syntax tree, and parent handler.
33      *
34      * @param aIndentCheck the indentation check
35      * @param aAst the abstract syntax tree
36      * @param aParent the parent handler
37      */
38     public TryHandler(IndentationCheck aIndentCheck,
39         DetailAST aAst, ExpressionHandler aParent)
40     {
41         super(aIndentCheck, "try", aAst, aParent);
42     }
43
44     /**
45      * Indentation level suggested for a child element. Children don't have
46      * to respect this, but most do.
47      *
48      * @param aChild child AST (so suggestion level can differ based on child
49      * type)
50      *
51      * @return suggested indentation for child
52      */
53     public IndentLevel suggestedChildLevel(ExpressionHandler aChild)
54     {
55         if ((aChild instanceof CatchHandler)
56             || (aChild instanceof FinallyHandler))
57         {
58             return getLevel();
59         }
60         return super.suggestedChildLevel(aChild);
61     }
62 }
63
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