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1   /**
2    * This file Copyright (c) 2003-2018 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  }