01: /* Copyright (C) 2004 - 2007 db4objects Inc. http://www.db4o.com
02:
03: This file is part of the db4o open source object database.
04:
05: db4o is free software; you can redistribute it and/or modify it under
06: the terms of version 2 of the GNU General Public License as published
07: by the Free Software Foundation and as clarified by db4objects' GPL
08: interpretation policy, available at
09: http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
10: Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
11: Suite 350, San Mateo, CA 94403, USA.
12:
13: db4o is distributed in the hope that it will be useful, but WITHOUT ANY
14: WARRANTY; without even the implied warranty of MERCHANTABILITY or
15: FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16: for more details.
17:
18: You should have received a copy of the GNU General Public License along
19: with this program; if not, write to the Free Software Foundation, Inc.,
20: 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21: package com.db4o.ta.instrumentation;
22:
23: import EDU.purdue.cs.bloat.editor.*;
24:
25: import com.db4o.instrumentation.core.*;
26: import com.db4o.instrumentation.util.*;
27:
28: /**
29: * @exclude
30: */
31: public class CheckApplicabilityEdit implements BloatClassEdit {
32:
33: private ClassFilter _filter;
34:
35: public CheckApplicabilityEdit(ClassFilter filter) {
36: _filter = filter;
37: }
38:
39: public InstrumentationStatus enhance(ClassEditor ce,
40: ClassLoader origLoader, BloatLoaderContext loaderContext) {
41: try {
42: Class clazz = BloatUtil.classForEditor(ce, origLoader);
43: if (!_filter.accept(clazz)) {
44: return InstrumentationStatus.NOT_INSTRUMENTED;
45: }
46: if (!isApplicableClass(clazz)) {
47: throw new IllegalArgumentException(clazz.getName());
48: }
49: } catch (ClassNotFoundException e) {
50: return InstrumentationStatus.FAILED;
51: }
52: return InstrumentationStatus.NOT_INSTRUMENTED;
53: }
54:
55: private boolean isApplicableClass(Class clazz) {
56: Class curClazz = clazz;
57: while (curClazz != Object.class) {
58: if (BloatUtil.isPlatformClassName(curClazz.getName())) {
59: return false;
60: }
61: curClazz = curClazz.getSuperclass();
62: }
63: return true;
64: }
65:
66: }
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