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Java > Open Source Codes > ch > ethz > prose > filter > ExecutionsInSystemClass


1 //
2 // This file is part of the prose package.
3 //
4 // The contents of this file are subject to the Mozilla Public License
5 // Version 1.1 (the "License"); you may not use this file except in
6 // compliance with the License. You may obtain a copy of the License at
7 // http://www.mozilla.org/MPL/
8 //
9 // Software distributed under the License is distributed on an "AS IS" basis,
10 // WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
11 // for the specific language governing rights and limitations under the
12 // License.
13 //
14 // The Original Code is prose.
15 //
16 // The Initial Developer of the Original Code is Andrei Popovici. Portions
17 // created by Andrei Popovici are Copyright (C) 2002 Andrei Popovici.
18 // All Rights Reserved.
19 //
20 // Contributor(s):
21 // $Id: ExecutionsInSystemClass.java,v 1.1.1.1 2003/07/02 15:30:52 apopovic Exp $
22 // =====================================================================
23 //
24 // (history at end)
25 //
26
27 package ch.ethz.prose.filter;
28
29 // used packages
30 import java.util.*;
31 import java.io.*;
32 import ch.ethz.jvmai.JoinPointKinds;
33 import ch.ethz.jvmai.JoinPoint;
34 import ch.ethz.jvmai.CodeJoinPoint;
35 import ch.ethz.prose.engine.JoinPointRequest;
36 import ch.ethz.prose.engine.MethodEntryRequest;
37 import ch.ethz.prose.engine.MethodExitRequest;
38
39 /**
40  * Class ExecutionsInSystemClass XXX
41  *
42  * @version $Revision: 1.1.1.1 $
43  * @author Andrei Popovici
44  */
45 public
46 class ExecutionsInSystemClass extends PointCutter implements JoinPointKinds
47 {
48
49   /**
50    * XXX
51    * @param XXX XXX
52    */
53   public ExecutionsInSystemClass()
54     {
55       acceptMask = MASK_ALL_JP;
56       mayFilterStaticallyMask = MASK_METHOD_ENTRY_JP|MASK_METHOD_EXIT_JP;
57       canFilterStaticallyMask = MASK_METHOD_ENTRY_JP|MASK_METHOD_EXIT_JP;
58     }
59
60   protected boolean doIsSpecialRequest(JoinPointRequest req)
61     {
62       if (req instanceof MethodEntryRequest)
63     return ( (MethodEntryRequest)req).getTargetClass().getClassLoader() == null;
64
65       if (req instanceof MethodEntryRequest)
66     return ( (MethodEntryRequest)req).getTargetClass().getClassLoader() == null;
67
68       throw new Error JavaDoc("The PointCutter should not allow" +
69               " events other than MASK_METHOD_ENTRY|MASK_METHOD_EXIT");
70
71     }
72
73   protected boolean doIsSpecialEvent(CodeJoinPoint jp)
74     {
75       return (jp.getMethod().getDeclaringClass().getClassLoader() == null);
76     }
77 }
78
79
80 //======================================================================
81 //
82 // $Log: ExecutionsInSystemClass.java,v $
83 // Revision 1.1.1.1 2003/07/02 15:30:52 apopovic
84 // Imported from ETH Zurich
85 //
86 // Revision 1.2 2003/05/06 15:51:38 popovici
87 // Mozilla-ification
88 //
89 // Revision 1.1 2003/05/05 13:57:50 popovici
90 // renaming from runes to prose
91 //
92 // Revision 1.3 2003/04/27 13:08:50 popovici
93 // Specializers renamed to PointCutter
94 //
95 // Revision 1.2 2003/04/17 12:49:36 popovici
96 // Refactoring of the crosscut package
97 // ExceptionCut renamed to ThrowCut
98 // McutSignature is now SignaturePattern
99 //
100 // Revision 1.1 2003/04/17 08:47:43 popovici
101 // Important functionality additions
102 // - Cflow specializers
103 // - Restructuring of the MethodCut, SetCut, ThrowCut, and GetCut (they are much smaller)
104 // - Transactional capabilities
105 // - Total refactoring of Specializer evaluation, which permits fine-grained distinction
106 // between static and dynamic specializers.
107 // - Functionality pulled up in abstract classes
108 // - Uniformization of advice methods patterns and names
109 //
110
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