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 org.apache.log4j.*;
38:
39: /**
40: * Documents the difference, if any, for a given package.
41: */
42: public class PackageDifferences extends RemovableDifferences {
43: private Collection<Differences> classDifferences = new LinkedList<Differences>();
44:
45: /**
46: * Only the DifferencesFactory can create instances of this class.
47: */
48: PackageDifferences(String name, Map oldPackage, Map newPackage) {
49: super (name);
50:
51: if (oldPackage != null && !oldPackage.isEmpty()) {
52: setOldDeclaration(name);
53: }
54:
55: if (newPackage != null && !newPackage.isEmpty()) {
56: setNewDeclaration(name);
57: }
58:
59: if (isModified()) {
60: Logger.getLogger(getClass()).debug(
61: getName() + " declaration has been modified.");
62: } else {
63: Logger.getLogger(getClass()).debug(
64: getName() + " declaration has not been modified.");
65: }
66: }
67:
68: public Collection<Differences> getClassDifferences() {
69: return classDifferences;
70: }
71:
72: public boolean isModified() {
73: return super .isModified()
74: || (getClassDifferences().size() != 0);
75: }
76:
77: public void accept(Visitor visitor) {
78: visitor.visitPackageDifferences(this);
79: }
80: }
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