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Java > Open Source Codes > org > xquark > xpath > datamodel > xerces > dom > ElementDefinitionImpl


1 /*
2  * The Apache Software License, Version 1.1
3  *
4  *
5  * Copyright (c) 1999 The Apache Software Foundation. All rights
6  * reserved.
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8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  * notice, this list of conditions and the following disclaimer.
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15  * 2. Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in
17  * the documentation and/or other materials provided with the
18  * distribution.
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20  * 3. The end-user documentation included with the redistribution,
21  * if any, must include the following acknowledgment:
22  * "This product includes software developed by the
23  * Apache Software Foundation (http://www.apache.org/)."
24  * Alternately, this acknowledgment may appear in the software itself,
25  * if and wherever such third-party acknowledgments normally appear.
26  *
27  * 4. The names "Xerces" and "Apache Software Foundation" must
28  * not be used to endorse or promote products derived from this
29  * software without prior written permission. For written
30  * permission, please contact apache@apache.org.
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32  * 5. Products derived from this software may not be called "Apache",
33  * nor may "Apache" appear in their name, without prior written
34  * permission of the Apache Software Foundation.
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36  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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47  * SUCH DAMAGE.
48  * ====================================================================
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50  * This software consists of voluntary contributions made by many
51  * individuals on behalf of the Apache Software Foundation and was
52  * originally based on software copyright (c) 1999, International
53  * Business Machines, Inc., http://www.apache.org. For more
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55  * <http://www.apache.org/>.
56  */
57
58 package org.xquark.xpath.datamodel.xerces.dom;
59
60 import org.w3c.dom.NamedNodeMap JavaDoc;
61 import org.w3c.dom.Node JavaDoc;
62
63 /**
64  * NON-DOM CLASS: Describe one of the Elements (and its associated
65  * Attributes) defined in this Document Type.
66  * <p>
67  * I've included this in Level 1 purely as an anchor point for default
68  * attributes. In Level 2 it should enable the ChildRule support.
69  *
70  * @version
71  */
72 public class ElementDefinitionImpl
73     extends ParentNode {
74
75     //
76 // Constants
77 //
78
79     /** Serialization version. */
80     static final long serialVersionUID = -8373890672670022714L;
81     
82     //
83 // Data
84 //
85
86     /** Element definition name. */
87     protected String JavaDoc name;
88
89     /** Default attributes. */
90     protected NamedNodeMapImpl attributes;
91
92     //
93 // Constructors
94 //
95
96     /** Factory constructor. */
97     public ElementDefinitionImpl(DocumentImpl ownerDocument, String JavaDoc name) {
98         super(ownerDocument);
99         this.name = name;
100         attributes = new NamedNodeMapImpl(ownerDocument);
101     }
102
103     //
104 // Node methods
105 //
106
107     /**
108      * A short integer indicating what type of node this is. The named
109      * constants for this value are defined in the org.w3c.dom.Node interface.
110      */
111     public short getNodeType() {
112         return NodeImpl.ELEMENT_DEFINITION_NODE;
113     }
114
115     /**
116      * Returns the element definition name
117      */
118     public String JavaDoc getNodeName() {
119         if (needsSyncData()) {
120             synchronizeData();
121         }
122         return name;
123     }
124
125     /**
126      * Replicate this object.
127      */
128     public Node JavaDoc cloneNode(boolean deep) {
129
130         ElementDefinitionImpl newnode =
131             (ElementDefinitionImpl) super.cloneNode(deep);
132         // NamedNodeMap must be explicitly replicated to avoid sharing
133 newnode.attributes = attributes.cloneMap(newnode);
134         return newnode;
135
136     } // cloneNode(boolean):Node
137
138     /**
139      * Query the attributes defined on this Element.
140      * <p>
141      * In the base implementation this Map simply contains Attribute objects
142      * representing the defaults. In a more serious implementation, it would
143      * contain AttributeDefinitionImpl objects for all declared Attributes,
144      * indicating which are Default, DefaultFixed, Implicit and/or Required.
145      *
146      * @return org.w3c.dom.NamedNodeMap containing org.w3c.dom.Attribute
147      */
148     public NamedNodeMap JavaDoc getAttributes() {
149
150         if (needsSyncChildren()) {
151             synchronizeChildren();
152         }
153         return attributes;
154
155     } // getAttributes():NamedNodeMap
156
157 } // class ElementDefinitionImpl
158
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