01: /*
02: * @(#)AbstractMeasure.java
03: *
04: * Copyright (C) 2003 Matt Albrecht
05: * groboclown@users.sourceforge.net
06: * http://groboutils.sourceforge.net
07: *
08: * Permission is hereby granted, free of charge, to any person obtaining a
09: * copy of this software and associated documentation files (the "Software"),
10: * to deal in the Software without restriction, including without limitation
11: * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12: * and/or sell copies of the Software, and to permit persons to whom the
13: * Software is furnished to do so, subject to the following conditions:
14: *
15: * The above copyright notice and this permission notice shall be included in
16: * all copies or substantial portions of the Software.
17: *
18: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19: * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20: * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21: * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22: * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23: * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
24: * DEALINGS IN THE SOFTWARE.
25: */
26:
27: package net.sourceforge.groboutils.codecoverage.v2.module;
28:
29: import java.util.HashSet;
30: import java.util.Set;
31:
32: import net.sourceforge.groboutils.codecoverage.v2.IAnalysisMetaData;
33: import net.sourceforge.groboutils.codecoverage.v2.IAnalysisModule;
34: import net.sourceforge.groboutils.codecoverage.v2.IMethodCode;
35:
36: /**
37: * Offers additional capability to detect when a probe has been measured
38: * more than once.
39: *
40: * @author Matt Albrecht <a href="mailto:groboclown@users.sourceforge.net">groboclown@users.sourceforge.net</a>
41: * @version $Date: 2004/04/15 05:48:26 $
42: * @since January 26, 2003
43: * @see IAnalysisMetaData
44: */
45: public abstract class AbstractMeasure implements IAnalysisModule {
46: private Set beenCovered = new HashSet();
47:
48: protected void markInstruction(IMethodCode method, int instrPos,
49: IAnalysisMetaData data, boolean allowDuplicates) {
50: boolean addMark = true;
51: if (!allowDuplicates) {
52: String id = getPositionID(method, instrPos);
53: if (this .beenCovered.contains(id)) {
54: addMark = false;
55: } else {
56: this .beenCovered.add(id);
57: }
58: }
59:
60: if (addMark) {
61: method.markInstruction(instrPos, data);
62: }
63: }
64:
65: private String getPositionID(IMethodCode m, int instrPos) {
66: StringBuffer sb = new StringBuffer(m.getClassName());
67: sb.append('#').append(m.getMethodName());
68: sb.append('#').append(instrPos);
69:
70: // more memory conservative
71: return new String(sb);
72: }
73: }
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