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Java > Open Source Codes > com > sun > org > apache > xerces > internal > dom > DeferredElementNSImpl


1 /*
2  * The Apache Software License, Version 1.1
3  *
4  *
5  * Copyright (c) 1999-2002 The Apache Software Foundation. All rights
6  * reserved.
7  *
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.
14  *
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.
19  *
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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42  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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44  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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47  * SUCH DAMAGE.
48  * ====================================================================
49  *
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
54  * information on the Apache Software Foundation, please see
55  * <http://www.apache.org/>.
56  */
57
58
59 /*
60  * WARNING: because java doesn't support multi-inheritance some code is
61  * duplicated. If you're changing this file you probably want to change
62  * DeferredElementImpl.java at the same time.
63  *
64 <<<<<<< DeferredElementNSImpl.java
65  * @version $Id: DeferredElementNSImpl.java,v 1.3 2003/11/18 00:22:50 kk122374 Exp $
66 =======
67  * @version $Id: DeferredElementNSImpl.java,v 1.3 2003/11/18 00:22:50 kk122374 Exp $
68 >>>>>>> 1.1.1.2
69  */
70
71 package com.sun.org.apache.xerces.internal.dom;
72
73 import com.sun.org.apache.xerces.internal.xs.XSTypeDefinition;
74 import org.w3c.dom.NamedNodeMap JavaDoc;
75
76 /**
77  * DeferredElementNSImpl is to ElementNSImpl, what DeferredElementImpl is to
78  * ElementImpl.
79  * @see DeferredElementImpl
80  */
81 public class DeferredElementNSImpl
82     extends ElementNSImpl
83     implements DeferredNode {
84
85     //
86 // Constants
87 //
88
89     /** Serialization version. */
90     static final long serialVersionUID = -5001885145370927385L;
91
92     //
93 // Data
94 //
95
96     /** Node index. */
97     protected transient int fNodeIndex;
98
99     //
100 // Constructors
101 //
102
103     /**
104      * This is the deferred constructor. Only the fNodeIndex is given here. All
105      * other data, can be requested from the ownerDocument via the index.
106      */
107     DeferredElementNSImpl(DeferredDocumentImpl ownerDoc, int nodeIndex) {
108         super(ownerDoc, null);
109
110         fNodeIndex = nodeIndex;
111         needsSyncChildren(true);
112
113     } // <init>(DocumentImpl,int)
114
115     //
116 // DeferredNode methods
117 //
118
119     /** Returns the node index. */
120     public final int getNodeIndex() {
121         return fNodeIndex;
122     }
123
124     //
125 // Protected methods
126 //
127
128     /** Synchronizes the data (name and value) for fast nodes. */
129     protected final void synchronizeData() {
130
131         // no need to sync in the future
132 needsSyncData(false);
133
134         // fluff data
135 DeferredDocumentImpl ownerDocument =
136             (DeferredDocumentImpl) this.ownerDocument;
137
138         // we don't want to generate any event for this so turn them off
139 boolean orig = ownerDocument.mutationEvents;
140         ownerDocument.mutationEvents = false;
141
142         name = ownerDocument.getNodeName(fNodeIndex);
143
144         // extract local part from QName
145 int index = name.indexOf(':');
146         if (index < 0) {
147             localName = name;
148         }
149         else {
150             localName = name.substring(index + 1);
151         }
152
153         namespaceURI = ownerDocument.getNodeURI(fNodeIndex);
154         type = ownerDocument.getTypeInfo(fNodeIndex);
155
156         // attributes
157 setupDefaultAttributes();
158         int attrIndex = ownerDocument.getNodeExtra(fNodeIndex);
159         if (attrIndex != -1) {
160             NamedNodeMap JavaDoc attrs = getAttributes();
161             do {
162                 NodeImpl attr =
163                     (NodeImpl)ownerDocument.getNodeObject(attrIndex);
164                 attrs.setNamedItem(attr);
165                 attrIndex = ownerDocument.getPrevSibling(attrIndex);
166             } while (attrIndex != -1);
167         }
168
169         // set mutation events flag back to its original value
170 ownerDocument.mutationEvents = orig;
171
172     } // synchronizeData()
173
174     /**
175      * Synchronizes the node's children with the internal structure.
176      * Fluffing the children at once solves a lot of work to keep
177      * the two structures in sync. The problem gets worse when
178      * editing the tree -- this makes it a lot easier.
179      */
180     protected final void synchronizeChildren() {
181         DeferredDocumentImpl ownerDocument =
182             (DeferredDocumentImpl) ownerDocument();
183         ownerDocument.synchronizeChildren(this, fNodeIndex);
184     } // synchronizeChildren()
185
186 } // class DeferredElementImpl
187
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