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1   /*
2    * reserved comment block
3    * DO NOT REMOVE OR ALTER!
4    */
5   /*
6    * Copyright 1999-2002,2004 The Apache Software Foundation.
7    *
8    * Licensed under the Apache License, Version 2.0 (the "License");
9    * you may not use this file except in compliance with the License.
10   * You may obtain a copy of the License at
11   *
12   *      http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing, software
15   * distributed under the License is distributed on an "AS IS" BASIS,
16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17   * See the License for the specific language governing permissions and
18   * limitations under the License.
19   */
20  
21  package com.sun.org.apache.xerces.internal.dom;
22  
23  import org.w3c.dom.NamedNodeMap;
24  import org.w3c.dom.Node;
25  
26  /**
27   * NON-DOM CLASS: Describe one of the Elements (and its associated
28   * Attributes) defined in this Document Type.
29   * <p>
30   * I've included this in Level 1 purely as an anchor point for default
31   * attributes. In Level 2 it should enable the ChildRule support.
32   *
33   * @xerces.internal
34   *
35   */
36  public class ElementDefinitionImpl
37      extends ParentNode {
38  
39      //
40      // Constants
41      //
42  
43      /** Serialization version. */
44      static final long serialVersionUID = -8373890672670022714L;
45  
46      //
47      // Data
48      //
49  
50      /** Element definition name. */
51      protected String name;
52  
53      /** Default attributes. */
54      protected NamedNodeMapImpl attributes;
55  
56      //
57      // Constructors
58      //
59  
60      /** Factory constructor. */
61      public ElementDefinitionImpl(CoreDocumentImpl ownerDocument, String name) {
62          super(ownerDocument);
63          this.name = name;
64          attributes = new NamedNodeMapImpl(ownerDocument);
65      }
66  
67      //
68      // Node methods
69      //
70  
71      /**
72       * A short integer indicating what type of node this is. The named
73       * constants for this value are defined in the org.w3c.dom.Node interface.
74       */
75      public short getNodeType() {
76          return NodeImpl.ELEMENT_DEFINITION_NODE;
77      }
78  
79      /**
80       * Returns the element definition name
81       */
82      public String getNodeName() {
83          if (needsSyncData()) {
84              synchronizeData();
85          }
86          return name;
87      }
88  
89      /**
90       * Replicate this object.
91       */
92      public Node cloneNode(boolean deep) {
93  
94          ElementDefinitionImpl newnode =
95              (ElementDefinitionImpl) super.cloneNode(deep);
96          // NamedNodeMap must be explicitly replicated to avoid sharing
97          newnode.attributes = attributes.cloneMap(newnode);
98          return newnode;
99  
100     } // cloneNode(boolean):Node
101 
102     /**
103      * Query the attributes defined on this Element.
104      * <p>
105      * In the base implementation this Map simply contains Attribute objects
106      * representing the defaults. In a more serious implementation, it would
107      * contain AttributeDefinitionImpl objects for all declared Attributes,
108      * indicating which are Default, DefaultFixed, Implicit and/or Required.
109      *
110      * @return org.w3c.dom.NamedNodeMap containing org.w3c.dom.Attribute
111      */
112     public NamedNodeMap getAttributes() {
113 
114         if (needsSyncChildren()) {
115             synchronizeChildren();
116         }
117         return attributes;
118 
119     } // getAttributes():NamedNodeMap
120 
121 } // class ElementDefinitionImpl