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Java > Open Source Codes > edu > umd > cs > findbugs > detect > CalledMethods


1 /*
2  * FindBugs - Find bugs in Java programs
3  * Copyright (C) 2003-2005 University of Maryland
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
20 package edu.umd.cs.findbugs.detect;
21
22 import java.util.HashSet JavaDoc;
23
24 import edu.umd.cs.findbugs.BugReporter;
25 import edu.umd.cs.findbugs.BytecodeScanningDetector;
26 import edu.umd.cs.findbugs.Detector;
27 import edu.umd.cs.findbugs.NonReportingDetector;
28 import edu.umd.cs.findbugs.ba.AnalysisContext;
29 import edu.umd.cs.findbugs.ba.XFactory;
30 import edu.umd.cs.findbugs.ba.XMethod;
31
32 /**
33  * Detector to find private methods that are never called.
34  */

35 public class CalledMethods extends BytecodeScanningDetector implements Detector, NonReportingDetector {
36
37     XFactory xFactory = AnalysisContext.currentXFactory();
38     public CalledMethods(BugReporter bugReporter) {
39         
40     }
41
42     @Override JavaDoc
43     public void sawOpcode(int seen) {
44         switch (seen) {
45         case INVOKEVIRTUAL:
46         case INVOKESPECIAL:
47         case INVOKESTATIC:
48             XMethod m = XFactory.createXMethod(getDottedClassConstantOperand(), getNameConstantOperand(),
49                     getSigConstantOperand(), (seen == INVOKESTATIC));
50             xFactory.addCalledMethod(m);
51
52             break;
53         default:
54             break;
55         }
56     }
57
58 }
59
60 // vim:ts=4
61
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