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1   /**
2    * This file Copyright (c) 2011 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 javax.jcr.AccessDeniedException;
37  import javax.jcr.Item;
38  import javax.jcr.ItemExistsException;
39  import javax.jcr.ItemNotFoundException;
40  import javax.jcr.Node;
41  import javax.jcr.NodeIterator;
42  import javax.jcr.PathNotFoundException;
43  import javax.jcr.Property;
44  import javax.jcr.PropertyIterator;
45  import javax.jcr.RepositoryException;
46  import javax.jcr.Session;
47  import javax.jcr.lock.LockException;
48  import javax.jcr.nodetype.ConstraintViolationException;
49  import javax.jcr.nodetype.NoSuchNodeTypeException;
50  import javax.jcr.version.VersionException;
51  
52  import info.magnolia.jcr.wrapper.DelegateNodeWrapper;
53  
54  /**
55   * Node wrapper that applies wrappers and filtering by delegating to a {@link ContentDecorator}.
56   *
57   * @version $Id$
58   */
59  public class ContentDecoratorNodeWrapper extends DelegateNodeWrapper {
60  
61      private final ContentDecorator contentDecorator;
62  
63      public ContentDecoratorNodeWrapper(Node node, ContentDecorator contentDecorator) {
64          super(node);
65          this.contentDecorator = contentDecorator;
66      }
67  
68      @Override
69      public Session getSession() throws RepositoryException {
70          return wrapSession(super.getSession());
71      }
72  
73      @Override
74      public Item getAncestor(int depth) throws ItemNotFoundException, AccessDeniedException, RepositoryException {
75          Item item = super.getAncestor(depth);
76          if (item.isNode()) {
77              return wrapNode((Node) item);
78          } else {
79              return wrapProperty((Property) item);
80          }
81      }
82  
83      @Override
84      public Node getParent() throws ItemNotFoundException, AccessDeniedException, RepositoryException {
85          return wrapNode(super.getParent());
86      }
87  
88      @Override
89      public Node addNode(String relPath) throws ItemExistsException, PathNotFoundException, VersionException, ConstraintViolationException, LockException, RepositoryException {
90          return wrapNode(super.addNode(relPath));
91      }
92  
93      @Override
94      public Node addNode(String relPath, String primaryNodeTypeName) throws ItemExistsException, PathNotFoundException, NoSuchNodeTypeException, LockException, VersionException, ConstraintViolationException, RepositoryException {
95          return wrapNode(super.addNode(relPath, primaryNodeTypeName));
96      }
97  
98      @Override
99      public Node getNode(String relPath) throws PathNotFoundException, RepositoryException {
100         Node node = super.getNode(relPath);
101         if (!contentDecorator.evaluateNode(node)) {
102             throw new PathNotFoundException(relPath);
103         }
104         return wrapNode(node);
105     }
106 
107     @Override
108     public NodeIterator getNodes() throws RepositoryException {
109         return wrapNodeIterator(super.getNodes());
110     }
111 
112     @Override
113     public NodeIterator getNodes(String namePattern) throws RepositoryException {
114         return wrapNodeIterator(super.getNodes(namePattern));
115     }
116 
117     @Override
118     public NodeIterator getNodes(String[] nameGlobs) throws RepositoryException {
119         return wrapNodeIterator(super.getNodes(nameGlobs));
120     }
121 
122     @Override
123     public boolean hasNode(String relPath) throws RepositoryException {
124         return super.hasNode(relPath) && contentDecorator.evaluateNode(super.getNode(relPath));
125     }
126 
127     @Override
128     public boolean hasNodes() throws RepositoryException {
129         return getNodes().hasNext();
130     }
131 
132     @Override
133     public PropertyIterator getProperties() throws RepositoryException {
134         return wrapPropertyIterator(super.getProperties());
135     }
136 
137     @Override
138     public PropertyIterator getProperties(String namePattern) throws RepositoryException {
139         return wrapPropertyIterator(super.getProperties(namePattern));
140     }
141 
142     @Override
143     public PropertyIterator getProperties(String[] nameGlobs) throws RepositoryException {
144         return wrapPropertyIterator(super.getProperties(nameGlobs));
145     }
146 
147     @Override
148     public PropertyIterator getWeakReferences() throws RepositoryException {
149         return wrapPropertyIterator(super.getWeakReferences());
150     }
151 
152     @Override
153     public Property getProperty(String relPath) throws PathNotFoundException, RepositoryException {
154         return wrapProperty(super.getProperty(relPath));
155     }
156 
157     @Override
158     public PropertyIterator getReferences(String name) throws RepositoryException {
159         return wrapPropertyIterator(super.getReferences(name));
160     }
161 
162     @Override
163     public PropertyIterator getWeakReferences(String name) throws RepositoryException {
164         return wrapPropertyIterator(super.getWeakReferences(name));
165     }
166 
167     @Override
168     public PropertyIterator getReferences() throws RepositoryException {
169         return wrapPropertyIterator(super.getReferences());
170     }
171 
172     protected Session wrapSession(Session session) {
173         return contentDecorator.wrapSession(session);
174     }
175 
176     protected Node wrapNode(Node node) {
177         return contentDecorator.wrapNode(node);
178     }
179 
180     protected NodeIterator wrapNodeIterator(NodeIterator nodeIterator) {
181         return contentDecorator.wrapNodeIterator(nodeIterator);
182     }
183 
184     protected Property wrapProperty(Property property) {
185         return contentDecorator.wrapProperty(property);
186     }
187 
188     protected PropertyIterator wrapPropertyIterator(PropertyIterator propertyIterator) {
189         return contentDecorator.wrapPropertyIterator(propertyIterator);
190     }
191 }