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1   /**
2    * This file Copyright (c) 2010-2015 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.core;
35  
36  import info.magnolia.cms.security.AccessDeniedException;
37  
38  import javax.jcr.ItemNotFoundException;
39  import javax.jcr.Property;
40  import javax.jcr.PropertyType;
41  import javax.jcr.RepositoryException;
42  import javax.jcr.Value;
43  import java.io.InputStream;
44  import java.util.Calendar;
45  
46  
47  /**
48   * Represents an non-mutable empty node data. This is returned by
49   * {@link Content#getNodeData(String)} in case the node data does not exist. This is the case
50   * because jcr doesn't support empty properties.
51   *
52   * All reading methods will return a default value which might be null in some cases. All writing
53   * methods will throw an {@link ItemNotFoundException}.
54   */
55  public class NonExistingNodeData extends AbstractNodeData {
56  
57      public NonExistingNodeData(Content parent, String name) {
58          super(parent, name);
59      }
60  
61      @Override
62      protected Content getContentFromJCRReference() throws RepositoryException {
63          return null;
64      }
65  
66      @Override
67      public void delete() throws RepositoryException {
68          throw new ItemNotFoundException("Can't delete a non-existing node data");
69      }
70  
71      @Override
72      public boolean getBoolean() {
73          return false;
74      }
75  
76      @Override
77      public long getContentLength() {
78          return 0;
79      }
80  
81      @Override
82      public Calendar getDate() {
83          return null;
84      }
85  
86      @Override
87      public double getDouble() {
88          return 0;
89      }
90  
91      @Override
92      public Property getJCRProperty() {
93          return null;
94      }
95  
96      @Override
97      public long getLong() {
98          return 0;
99      }
100 
101     @Override
102     public InputStream getStream() {
103         return null;
104     }
105 
106     @Override
107     public String getString() {
108         return "";
109     }
110 
111     @Override
112     public String getAttribute(String name) {
113         return "";
114     }
115 
116     @Override
117     public int getType() {
118         return PropertyType.UNDEFINED;
119     }
120 
121     @Override
122     public Value getValue() {
123         return null;
124     }
125 
126     @Override
127     public Value[] getValues() {
128         return null;
129     }
130 
131     @Override
132     public boolean isExist() {
133         return false;
134     }
135 
136     @Override
137     public void refresh(boolean keepChanges) throws RepositoryException {
138     }
139 
140     @Override
141     public void save() throws RepositoryException {
142         throw new ItemNotFoundException("Can't save a non-existing node data");
143     }
144 
145     @Override
146     public void setValue(String value) throws RepositoryException, AccessDeniedException {
147         throw new ItemNotFoundException("Can't set a non-existing node data");
148     }
149 
150     @Override
151     public void setValue(int value) throws RepositoryException, AccessDeniedException {
152         throw new ItemNotFoundException("Can't set a non-existing node data");
153     }
154 
155     @Override
156     public void setValue(long value) throws RepositoryException, AccessDeniedException {
157         throw new ItemNotFoundException("Can't set a non-existing node data");
158     }
159 
160     @Override
161     public void setValue(InputStream value) throws RepositoryException, AccessDeniedException {
162         throw new ItemNotFoundException("Can't set a non-existing node data");
163     }
164 
165     @Override
166     public void setValue(double value) throws RepositoryException, AccessDeniedException {
167         throw new ItemNotFoundException("Can't set a non-existing node data");
168     }
169 
170     @Override
171     public void setValue(boolean value) throws RepositoryException, AccessDeniedException {
172         throw new ItemNotFoundException("Can't set a non-existing node data");
173     }
174 
175     @Override
176     public void setValue(Calendar value) throws RepositoryException, AccessDeniedException {
177         throw new ItemNotFoundException("Can't set a non-existing node data");
178     }
179 
180     @Override
181     public void setValue(Content value) throws RepositoryException, AccessDeniedException {
182         throw new ItemNotFoundException("Can't set a non-existing node data");
183     }
184 
185     @Override
186     public void setValue(Value value) throws RepositoryException, AccessDeniedException {
187         throw new ItemNotFoundException("Can't set a non-existing node data");
188     }
189 
190     @Override
191     public void setValue(Value[] value) throws RepositoryException, AccessDeniedException {
192         throw new ItemNotFoundException("Can't set a non-existing node data");
193     }
194 
195 }