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1   /**
2    * This file Copyright (c) 2011-2018 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.jcr.decoration;
35  
36  import info.magnolia.jcr.wrapper.DelegatePropertyWrapper;
37  
38  import javax.jcr.AccessDeniedException;
39  import javax.jcr.Item;
40  import javax.jcr.ItemNotFoundException;
41  import javax.jcr.Node;
42  import javax.jcr.Property;
43  import javax.jcr.RepositoryException;
44  import javax.jcr.Session;
45  import javax.jcr.ValueFormatException;
46  
47  /**
48   * Property wrapper that applies wrappers and filtering by delegating to a {@link ContentDecorator}.
49   *
50   * @param <D> decorator implementation.
51   */
52  public class ContentDecoratorPropertyWrapper<D extends ContentDecorator> extends DelegatePropertyWrapper {
53  
54      private final D contentDecorator;
55  
56      public ContentDecoratorPropertyWrapper(Property property, D contentDecorator) {
57          super(property);
58          this.contentDecorator = contentDecorator;
59      }
60  
61      @Override
62      public Session getSession() throws RepositoryException {
63          return wrapSession(super.getSession());
64      }
65  
66      @Override
67      public Item getAncestor(int depth) throws ItemNotFoundException, AccessDeniedException, RepositoryException {
68          Item item = super.getAncestor(depth);
69          if (item.isNode()) {
70              return wrapNode((Node) item);
71          } else {
72              return wrapProperty((Property) item);
73          }
74      }
75  
76      @Override
77      public Node getParent() throws ItemNotFoundException, AccessDeniedException, RepositoryException {
78          return wrapNode(super.getParent());
79      }
80  
81      @Override
82      public Node getNode() throws ItemNotFoundException, ValueFormatException, RepositoryException {
83          Node node = super.getNode();
84          if (!contentDecorator.evaluateNode(node)) {
85              throw new ItemNotFoundException();
86          }
87          return wrapNode(node);
88      }
89  
90      @Override
91      public Property getProperty() throws ItemNotFoundException, ValueFormatException, RepositoryException {
92          Property property = super.getProperty();
93          if (!contentDecorator.evaluateProperty(property)) {
94              throw new ItemNotFoundException();
95          }
96          return wrapProperty(property);
97      }
98  
99      protected Session wrapSession(Session session) {
100         return contentDecorator.wrapSession(session);
101     }
102 
103     protected Node wrapNode(Node node) {
104         return contentDecorator.wrapNode(node);
105     }
106 
107     protected Property wrapProperty(Property property) {
108         return contentDecorator.wrapProperty(property);
109     }
110 
111     @Override
112     public boolean equals(Object obj) {
113         if (obj == null) {
114             return false;
115         }
116 
117         if (!(obj instanceof ContentDecoratorPropertyWrapper)) {
118             return false;
119         }
120         ContentDecoratorPropertyWrapperia/jcr/decoration/ContentDecoratorPropertyWrapper.html#ContentDecoratorPropertyWrapper">ContentDecoratorPropertyWrapper that = (ContentDecoratorPropertyWrapper) obj;
121         return (this.getWrappedProperty() == null ? that.getWrappedProperty() == null : this.getWrappedProperty().equals(that.getWrappedProperty()))
122                 && this.contentDecorator == null ? that.contentDecorator == null : this.contentDecorator.equals(that.contentDecorator);
123     }
124 
125     @Override
126     public int hashCode() {
127         return (this.getWrappedProperty() == null ? 7 : this.getWrappedProperty().hashCode()) + (this.contentDecorator == null ? 6 : this.contentDecorator.hashCode());
128     }
129 
130     public D getContentDecorator() {
131         return contentDecorator;
132     }
133 }