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


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.config.ConfigurationException;
28 import com.pavelvlasov.config.Parameterizable;
29 import com.pavelvlasov.jsel.JselException;
30 import com.pavelvlasov.jsel.LanguageElement;
31 import com.pavelvlasov.jsel.expressions.Dot;
32 import com.pavelvlasov.review.SourceMarker;
33
34 /**
35  * @author Pavel Vlasov
36  *
37  * @version $Revision: 1.1 $
38  */
39 public class DotChainInspector extends InspectorBase implements Parameterizable {
40
41     private Integer JavaDoc maxChain;
42
43     public void visit(Dot dot) {
44         if (maxChain==null) {
45             disable("Max chain parameter is not set");
46             return;
47         }
48         
49         LanguageElement curDot=(LanguageElement) dot;
50         
51         for (int i=0; i<maxChain.intValue(); i++) {
52             if (curDot.getParent()!=null && curDot.getParent().getParent() instanceof Dot) {
53                 curDot=curDot.getParent().getParent();
54             } else {
55                 return;
56             }
57         }
58         
59         context.reportViolation((SourceMarker) dot);
60     }
61
62     public boolean setParameter(String JavaDoc name, Object JavaDoc parameter) throws ConfigurationException {
63         if ("max-chain".equals(name)) {
64             maxChain=(Integer JavaDoc) parameter;
65             return true;
66         }
67         
68         return false;
69     }
70
71 }
72
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