01: /* ====================================================================
02: The Jicarilla Software License
03:
04: Copyright (c) 2003 Leo Simons.
05: All rights reserved.
06:
07: Permission is hereby granted, free of charge, to any person obtaining
08: a copy of this software and associated documentation files (the
09: "Software"), to deal in the Software without restriction, including
10: without limitation the rights to use, copy, modify, merge, publish,
11: distribute, sublicense, and/or sell copies of the Software, and to
12: permit persons to whom the Software is furnished to do so, subject to
13: the following conditions:
14:
15: The above copyright notice and this permission notice shall be
16: included in all copies or substantial portions of the Software.
17:
18: THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19: EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20: MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
21: IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
22: CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23: TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24: SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25: ==================================================================== */
26: package org.jicarilla.lang;
27:
28: import java.util.Arrays;
29:
30: /**
31: * @author <a href="lsimons at jicarilla dot org">Leo Simons</a>
32: * @version $Id: OrSelector.java,v 1.1 2004/03/23 13:37:58 lsimons Exp $
33: */
34: public class OrSelector implements CriterionExposingSelector {
35: protected final Selector[] m_selectors;
36:
37: public OrSelector(final Selector[] selectors) {
38: Assert.assertNotNull("selectors argument may not be null",
39: selectors);
40: m_selectors = selectors;
41: }
42:
43: public boolean select(final Object object) {
44: for (int i = 0; i < m_selectors.length; i++) {
45: final Selector selector = m_selectors[i];
46: if (selector.select(object))
47: return true;
48: }
49: return false;
50: }
51:
52: public Object getCriterion() {
53: return m_selectors;
54: }
55:
56: public boolean equals(final Object o) {
57: if (o == this )
58: return true;
59:
60: if (!(o instanceof OrSelector))
61: return false;
62:
63: final Object criterion = ((OrSelector) o).getCriterion();
64:
65: if (!(criterion instanceof Selector[]))
66: return false;
67: final Selector[] selectors = (Selector[]) criterion;
68:
69: return Arrays.equals(m_selectors, selectors);
70: }
71:
72: public int hashCode() {
73: if (getCriterion() == null)
74: return 80;
75: else {
76: int code = 85;
77: for (int i = 0; i < m_selectors.length; i++) {
78: Selector selector = m_selectors[i];
79: if (selector == null)
80: code += 1;
81: else
82: code += selector.hashCode();
83: }
84: return code;
85: }
86: }
87: }
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