01: /*
02: ******************************************************************
03: Copyright (c) 2001, Jeff Martin, Tim Bacon
04: All rights reserved.
05:
06: Redistribution and use in source and binary forms, with or without
07: modification, are permitted provided that the following conditions
08: are met:
09:
10: * Redistributions of source code must retain the above copyright
11: notice, this list of conditions and the following disclaimer.
12: * Redistributions in binary form must reproduce the above
13: copyright notice, this list of conditions and the following
14: disclaimer in the documentation and/or other materials provided
15: with the distribution.
16: * Neither the name of the xmlunit.sourceforge.net nor the names
17: of its contributors may be used to endorse or promote products
18: derived from this software without specific prior written
19: permission.
20:
21: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22: "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23: LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24: FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25: COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26: INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
27: BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28: LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
29: CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
31: ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32: POSSIBILITY OF SUCH DAMAGE.
33:
34: ******************************************************************
35: */
36:
37: package org.custommonkey.xmlunit;
38:
39: import org.w3c.dom.Node;
40:
41: /**
42: * Class to use when performing a Diff that only compares the
43: * structure of 2 pieces of XML, i.e. where the values of text
44: * and attribute nodes should be ignored.
45: * @see Diff#overrideDifferenceListener
46: */
47: public class IgnoreTextAndAttributeValuesDifferenceListener implements
48: DifferenceListener {
49: private static final int[] IGNORE_VALUES = new int[] {
50: DifferenceConstants.ATTR_VALUE.getId(),
51: DifferenceConstants.ATTR_VALUE_EXPLICITLY_SPECIFIED.getId(),
52: DifferenceConstants.TEXT_VALUE.getId() };
53:
54: private boolean isIgnoredDifference(Difference difference) {
55: int differenceId = difference.getId();
56: for (int i = 0; i < IGNORE_VALUES.length; ++i) {
57: if (differenceId == IGNORE_VALUES[i]) {
58: return true;
59: }
60: }
61: return false;
62: }
63:
64: /**
65: * @return RETURN_IGNORE_DIFFERENCE_NODES_SIMILAR to ignore
66: * differences in values of TEXT or ATTRIBUTE nodes,
67: * and RETURN_ACCEPT_DIFFERENCE to accept all other
68: * differences.
69: * @see DifferenceListener#differenceFound(Difference)
70: */
71: public int differenceFound(Difference difference) {
72: if (isIgnoredDifference(difference)) {
73: return RETURN_IGNORE_DIFFERENCE_NODES_SIMILAR;
74: } else {
75: return RETURN_ACCEPT_DIFFERENCE;
76: }
77: }
78:
79: /**
80: * Do nothing
81: * @see DifferenceListener#skippedComparison(Node, Node)
82: */
83: public void skippedComparison(Node control, Node test) {
84: }
85:
86: }
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