| 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 | } |