1 /*
2 * Copyright (C) 2002 Carsten Krebs (Team-Konzept GmbH & Co.KG)
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */
18 package com.teamkonzept.dom4jb.dom.filter;
19
20 import com.teamkonzept.dom4jb.dom.Attribute;
21 import com.teamkonzept.dom4jb.dom.CDATA;
22 import com.teamkonzept.dom4jb.dom.Element;
23 import com.teamkonzept.dom4jb.dom.Filter;
24 import com.teamkonzept.dom4jb.dom.Node;
25 import com.teamkonzept.dom4jb.dom.Text;
26
27 public final class NoopFilter extends Filter {
28
29 private static final NoopFilter instance = new NoopFilter();
30
31 /*** Creates new ElementFilter */
32 private NoopFilter() { /* NOP */
33 }
34
35 /***
36 * @see com.teamkonzept.dom4jb.dom.Filter#match(Node)
37 */
38 public boolean match(final Node obj) {
39 return obj.accept(this);
40 }
41
42 /***
43 * @see com.teamkonzept.dom4jb.dom.Filter#match(Attribute)
44 */
45 public boolean match(final Attribute node) {
46 return true;
47 }
48
49 /***
50 * @see com.teamkonzept.dom4jb.dom.Filter#match(Element)
51 */
52 public boolean match(final Element node) {
53 return true;
54 }
55
56 /***
57 * @see com.teamkonzept.dom4jb.dom.Filter#match(Text)
58 */
59 public boolean match(final Text node) {
60 return true;
61 }
62
63 /***
64 * @see com.teamkonzept.dom4jb.dom.Filter#match(CDATA)
65 */
66 public boolean match(final CDATA node) {
67 return true;
68 }
69
70 public static NoopFilter getInstance() {
71 return instance;
72 }
73
74 }
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