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1   /*
2    * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
3    *
4    * This software is open source.
5    * See the bottom of this file for the licence.
6    */
7   
8   package org.dom4j.tree;
9   
10  import java.io.IOException;
11  import java.io.Writer;
12  
13  import org.dom4j.Element;
14  import org.dom4j.Entity;
15  import org.dom4j.Visitor;
16  
17  /***
18   * <p>
19   * <code>AbstractEntity</code> is an abstract base class for tree implementors
20   * to use for implementation inheritence.
21   * </p>
22   * 
23   * @author <a href="mailto:james.strachan@metastuff.com">James Strachan </a>
24   * @version $Revision: 1.15 $
25   */
26  public abstract class AbstractEntity extends AbstractNode implements Entity {
27      public AbstractEntity() {
28      }
29  
30      public short getNodeType() {
31          return ENTITY_REFERENCE_NODE;
32      }
33  
34      public String getPath(Element context) {
35          // From XPaths perspective, entities are included in text
36          Element parent = getParent();
37  
38          return ((parent != null) && (parent != context)) ? (parent
39                  .getPath(context) + "/text()") : "text()";
40      }
41  
42      public String getUniquePath(Element context) {
43          // From XPaths perspective, entities are included in text
44          Element parent = getParent();
45  
46          return ((parent != null) && (parent != context)) ? (parent
47                  .getUniquePath(context) + "/text()") : "text()";
48      }
49  
50      public String toString() {
51          return super.toString() + " [Entity: &" + getName() + ";]";
52      }
53  
54      public String getStringValue() {
55          return "&" + getName() + ";";
56      }
57  
58      public String asXML() {
59          return "&" + getName() + ";";
60      }
61  
62      public void write(Writer writer) throws IOException {
63          writer.write("&");
64          writer.write(getName());
65          writer.write(";");
66      }
67  
68      public void accept(Visitor visitor) {
69          visitor.visit(this);
70      }
71  }
72  
73  /*
74   * Redistribution and use of this software and associated documentation
75   * ("Software"), with or without modification, are permitted provided that the
76   * following conditions are met:
77   * 
78   * 1. Redistributions of source code must retain copyright statements and
79   * notices. Redistributions must also contain a copy of this document.
80   * 
81   * 2. Redistributions in binary form must reproduce the above copyright notice,
82   * this list of conditions and the following disclaimer in the documentation
83   * and/or other materials provided with the distribution.
84   * 
85   * 3. The name "DOM4J" must not be used to endorse or promote products derived
86   * from this Software without prior written permission of MetaStuff, Ltd. For
87   * written permission, please contact dom4j-info@metastuff.com.
88   * 
89   * 4. Products derived from this Software may not be called "DOM4J" nor may
90   * "DOM4J" appear in their names without prior written permission of MetaStuff,
91   * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
92   * 
93   * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
94   * 
95   * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
96   * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
97   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
98   * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
99   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
100  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
101  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
102  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
103  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
104  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
105  * POSSIBILITY OF SUCH DAMAGE.
106  * 
107  * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
108  */