KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > hammurapi > inspectors > SwitchCaseBreakRule


1 /*
2  * Hammurapi
3  * Automated Java code review system.
4  * Copyright (C) 2004 Hammurapi Group
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19  *
20  * URL: http://www.hammurapi.org
21  * e-Mail: support@hammurapi.biz
22  */
23 package org.hammurapi.inspectors;
24
25 import org.hammurapi.InspectorBase;
26
27 import com.pavelvlasov.jsel.LanguageElement;
28 import com.pavelvlasov.jsel.statements.BreakStatement;
29 import com.pavelvlasov.jsel.statements.CasesGroup;
30 import com.pavelvlasov.jsel.statements.ReturnStatement;
31 import com.pavelvlasov.jsel.statements.ThrowStatement;
32
33 /**
34  * ER-027
35  * Switch statement case without 'break'
36  * @author Janos Czako
37  * @version $Revision: 1.3 $
38  */
39 public class SwitchCaseBreakRule extends InspectorBase {
40     
41     /**
42      * Reviews the the switch case if it contains a break as it's
43      * last statement.
44      *
45      * @param element the case to be reviewed
46      */
47     public void visit(CasesGroup element) {
48         java.util.Iterator JavaDoc statements = element.getStatements().iterator();
49         LanguageElement le = null;
50         while (statements.hasNext()) {
51             le = (LanguageElement) statements.next();
52         }
53         // Last statement must be break, throw or return
54 if (!(le instanceof BreakStatement || le instanceof ThrowStatement || le instanceof ReturnStatement)) {
55             context.reportViolation(element);
56         }
57     }
58 }
59
Popular Tags