01: /*
02: * Copyright (c) 2001-2007, Jean Tessier
03: * All rights reserved.
04: *
05: * Redistribution and use in source and binary forms, with or without
06: * modification, are permitted provided that the following conditions
07: * are met:
08: *
09: * * Redistributions of source code must retain the above copyright
10: * notice, this list of conditions and the following disclaimer.
11: *
12: * * Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: *
16: * * Neither the name of Jean Tessier nor the names of his contributors
17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23: * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
24: * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27: * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28: * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29: * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30: * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31: */
32:
33: package com.jeantessier.diff;
34:
35: import java.util.*;
36:
37: import com.jeantessier.classreader.*;
38:
39: /**
40: * TODO class comments
41: */
42: public class NoDifferenceStrategy implements DifferenceStrategy {
43: public boolean isPackageDifferent(Map oldPackage, Map newPackage) {
44: return false;
45: }
46:
47: public boolean isClassDifferent(Classfile oldClass,
48: Classfile newClass) {
49: return false;
50: }
51:
52: public boolean isDeclarationModified(Classfile oldClass,
53: Classfile newClass) {
54: return false;
55: }
56:
57: public boolean isFieldDifferent(Field_info oldField,
58: Field_info newField) {
59: return false;
60: }
61:
62: public boolean isConstantValueDifferent(
63: ConstantValue_attribute oldValue,
64: ConstantValue_attribute newValue) {
65: return false;
66: }
67:
68: public boolean isMethodDifferent(Method_info oldMethod,
69: Method_info newMethod) {
70: return false;
71: }
72:
73: public boolean isCodeDifferent(Code_attribute oldCode,
74: Code_attribute newCode) {
75: return false;
76: }
77: }
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