1 /**
2 * This file Copyright (c) 2003-2016 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.cms.util;
35
36 import info.magnolia.cms.core.Content;
37 import info.magnolia.cms.core.Content.ContentFilter;
38 import info.magnolia.cms.core.ItemType;
39
40 /**
41 * A {@link ContentFilter} filtering on node types.
42 */
43 public class NodeTypeFilter implements ContentFilter {
44
45 private String systemName;
46
47 public NodeTypeFilter(String typeName) {
48 this.systemName = typeName;
49 }
50
51 public NodeTypeFilter(ItemType type) {
52 this.systemName = type.getSystemName();
53 }
54
55 @Override
56 public boolean accept(Content content) {
57 return content.isNodeType(systemName);
58 }
59
60 @Override
61 public String toString() {
62 return "NodeTypeFilter for type " + systemName;
63 }
64
65 @Override
66 public boolean equals(Object obj) {
67 if (obj == this) {
68 return true;
69 }
70
71 if (obj == null || !(obj instanceof NodeTypeFilter)) {
72 return false;
73 }
74
75 NodeTypeFilter that = (NodeTypeFilter) obj;
76 return this.systemName == null ? that.systemName == null : this.systemName.equals(that.systemName);
77 }
78
79 @Override
80 public int hashCode() {
81 // any prime's good default
82 return this.systemName == null ? 23 : this.systemName.hashCode();
83 }
84 }