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1   /**
2    * This file Copyright (c) 2010-2010 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.info/mna.html
29   * 
30   * Any modifications to this file must keep this entire header
31   * intact.
32   * 
33   */
34  package info.magnolia.cms.core;
35  
36  import info.magnolia.cms.security.AccessDeniedException;
37  
38  import java.io.InputStream;
39  import java.util.Calendar;
40  
41  import javax.jcr.ItemNotFoundException;
42  import javax.jcr.Property;
43  import javax.jcr.PropertyType;
44  import javax.jcr.RepositoryException;
45  import javax.jcr.Value;
46  
47  
48  /**
49   * Represents an non-mutable empty node data. This is returned by
50   * {@link Content#getNodeData(String)} in case the node data does not exist. This is the case
51   * because jcr doesn't support empty properties.
52   * 
53   * All reading methods will return a default value which might be null in some cases. All writing
54   * methods will throw an {@link ItemNotFoundException}.
55   * 
56   * @author pbaerfuss
57   * @version $Id$
58   * 
59   */
60  public class NonExistingNodeData extends AbstractNodeData {
61  
62      public NonExistingNodeData(Content parent, String name) {
63          super(parent, name);
64      }
65  
66      @Override
67      protected Content getContentFromJCRReference() throws RepositoryException {
68          return null;
69      }
70  
71      public void delete() throws RepositoryException {
72          throw new ItemNotFoundException("Can't delete a non-existing node data");
73      }
74  
75      public boolean getBoolean() {
76          return false;
77      }
78  
79      public long getContentLength() {
80          return 0;
81      }
82  
83      public Calendar getDate() {
84          return null;
85      }
86  
87      public double getDouble() {
88          return 0;
89      }
90  
91      public Property getJCRProperty() {
92          return null;
93      }
94  
95      public long getLong() {
96          return 0;
97      }
98  
99      public InputStream getStream() {
100         return null;
101     }
102 
103     public String getString() {
104         return "";
105     }
106     
107     @Override
108     public String getAttribute(String name) {
109         return "";
110     }
111 
112     public int getType() {
113         return PropertyType.UNDEFINED;
114     }
115 
116     public Value getValue() {
117         return null;
118     }
119 
120     public Value[] getValues() {
121         return null;
122     }
123 
124     public boolean isExist() {
125         return false;
126     }
127 
128     public void refresh(boolean keepChanges) throws RepositoryException {
129     }
130 
131     public void save() throws RepositoryException {
132         throw new ItemNotFoundException("Can't save a non-existing node data");
133     }
134 
135     public void setValue(String value) throws RepositoryException, AccessDeniedException {
136         throw new ItemNotFoundException("Can't set a non-existing node data");
137     }
138 
139     public void setValue(int value) throws RepositoryException, AccessDeniedException {
140         throw new ItemNotFoundException("Can't set a non-existing node data");
141     }
142 
143     public void setValue(long value) throws RepositoryException, AccessDeniedException {
144         throw new ItemNotFoundException("Can't set a non-existing node data");
145     }
146 
147     public void setValue(InputStream value) throws RepositoryException, AccessDeniedException {
148         throw new ItemNotFoundException("Can't set a non-existing node data");
149     }
150 
151     public void setValue(double value) throws RepositoryException, AccessDeniedException {
152         throw new ItemNotFoundException("Can't set a non-existing node data");
153     }
154 
155     public void setValue(boolean value) throws RepositoryException, AccessDeniedException {
156         throw new ItemNotFoundException("Can't set a non-existing node data");
157     }
158 
159     public void setValue(Calendar value) throws RepositoryException, AccessDeniedException {
160         throw new ItemNotFoundException("Can't set a non-existing node data");
161     }
162 
163     public void setValue(Content value) throws RepositoryException, AccessDeniedException {
164         throw new ItemNotFoundException("Can't set a non-existing node data");
165     }
166 
167     public void setValue(Value value) throws RepositoryException, AccessDeniedException {
168         throw new ItemNotFoundException("Can't set a non-existing node data");
169     }
170 
171     public void setValue(Value[] value) throws RepositoryException, AccessDeniedException {
172         throw new ItemNotFoundException("Can't set a non-existing node data");
173     }
174 
175 }