ElementDefinitionImpl.java revision 628:2bfaf29cc90b 
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
21package com.sun.org.apache.xerces.internal.dom;
22
23import org.w3c.dom.NamedNodeMap;
24import 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 */
36public 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
122