Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
IllegalCatchCheck |
|
| 1.25;1.25 |
1 | //////////////////////////////////////////////////////////////////////////////// | |
2 | // checkstyle: Checks Java source code for adherence to a set of rules. | |
3 | // Copyright (C) 2001-2014 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.coding; | |
20 | ||
21 | import com.puppycrawl.tools.checkstyle.api.DetailAST; | |
22 | import com.puppycrawl.tools.checkstyle.api.FullIdent; | |
23 | import com.puppycrawl.tools.checkstyle.api.TokenTypes; | |
24 | import com.puppycrawl.tools.checkstyle.checks.CheckUtils; | |
25 | ||
26 | /** | |
27 | * Catching java.lang.Exception, java.lang.Error or java.lang.RuntimeException | |
28 | * is almost never acceptable. | |
29 | * @author <a href="mailto:simon@redhillconsulting.com.au">Simon Harris</a> | |
30 | */ | |
31 | public final class IllegalCatchCheck extends AbstractIllegalCheck | |
32 | { | |
33 | /** Creates new instance of the check. */ | |
34 | public IllegalCatchCheck() | |
35 | { | |
36 | 21 | super(new String[] {"Exception", "Error", |
37 | "RuntimeException", "Throwable", | |
38 | "java.lang.Error", | |
39 | "java.lang.Exception", | |
40 | "java.lang.RuntimeException", | |
41 | "java.lang.Throwable", | |
42 | }); | |
43 | 21 | } |
44 | ||
45 | @Override | |
46 | public int[] getDefaultTokens() | |
47 | { | |
48 | 21 | return new int[] {TokenTypes.LITERAL_CATCH}; |
49 | } | |
50 | ||
51 | @Override | |
52 | public int[] getRequiredTokens() | |
53 | { | |
54 | 0 | return getDefaultTokens(); |
55 | } | |
56 | ||
57 | @Override | |
58 | public void visitToken(DetailAST aDetailAST) | |
59 | { | |
60 | 76 | final DetailAST paramDef = |
61 | aDetailAST.findFirstToken(TokenTypes.PARAMETER_DEF); | |
62 | 76 | final DetailAST excType = paramDef.findFirstToken(TokenTypes.TYPE); |
63 | 76 | final FullIdent ident = CheckUtils.createFullType(excType); |
64 | ||
65 | 76 | if (isIllegalClassName(ident.getText())) { |
66 | 74 | log(aDetailAST, "illegal.catch", ident.getText()); |
67 | } | |
68 | 76 | } |
69 | } |