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


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 java.util.Collection JavaDoc;
26 import java.util.Iterator JavaDoc;
27
28 import org.hammurapi.InspectorBase;
29
30 import com.pavelvlasov.jsel.LanguageElement;
31 import com.pavelvlasov.jsel.statements.CasesGroup;
32 import com.pavelvlasov.jsel.statements.CompoundStatement;
33 import com.pavelvlasov.jsel.statements.Statement;
34 import com.pavelvlasov.review.SourceMarker;
35
36
37 /**
38  * ER-013
39  * More than one statement per line
40  * @author Pavel Vlasov
41  * @version $Revision: 1.2 $
42  */
43 public class OneStatementPerLineRule extends InspectorBase {
44     
45     public void visit(CompoundStatement element) {
46         analyze(element.getStatements());
47     }
48     
49     public void visit(CasesGroup element) {
50         analyze(element.getStatements());
51     }
52     
53     private void analyze(Collection JavaDoc statements) {
54         Statement prevStatement=null;
55         Iterator JavaDoc it=statements.iterator();
56         while (it.hasNext()) {
57             Statement statement = (Statement) it.next();
58             if (prevStatement!=null && ((LanguageElement) statement).getAst().getLine()==((LanguageElement) prevStatement).getLine()) {
59                 context.reportViolation((SourceMarker) statement);
60             }
61             prevStatement=statement;
62         }
63     }
64 }
65
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