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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.
31  *
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
37  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
38  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
42  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
43  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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 package com.sun.org.apache.xerces.internal.dom;
59
60 /**
61  * Text nodes hold the non-markup, non-Entity content of
62  * an Element or Attribute.
63  * <P>
64  * When a document is first made available to the DOM, there is only
65  * one Text object for each block of adjacent plain-text. Users (ie,
66  * applications) may create multiple adjacent Texts during editing --
67  * see {@link org.w3c.dom.Element#normalize} for discussion.
68  * <P>
69  * Note that CDATASection is a subclass of Text. This is conceptually
70  * valid, since they're really just two different ways of quoting
71  * characters when they're written out as part of an XML stream.
72  *
73  * @version $Id: DeferredTextImpl.java,v 1.12 2002/01/29 01:15:07 lehors Exp $
74  * @since PR-DOM-Level-1-19980818.
75  */
76 public class DeferredTextImpl
77     extends TextImpl
78     implements DeferredNode {
79
80     //
81 // Constants
82 //
83
84     /** Serialization version. */
85     static final long serialVersionUID = 2310613872100393425L;
86
87     //
88 // Data
89 //
90
91     /** Node index. */
92     protected transient int fNodeIndex;
93
94     //
95 // Constructors
96 //
97
98     /**
99      * This is the deferred constructor. Only the fNodeIndex is given here.
100      * All other data, can be requested from the ownerDocument via the index.
101      */
102     DeferredTextImpl(DeferredDocumentImpl ownerDocument, int nodeIndex) {
103         super(ownerDocument, null);
104
105         fNodeIndex = nodeIndex;
106         needsSyncData(true);
107
108     } // <init>(DeferredDocumentImpl,int)
109
110     //
111 // DeferredNode methods
112 //
113
114     /** Returns the node index. */
115     public int getNodeIndex() {
116         return fNodeIndex;
117     }
118
119     //
120 // Protected methods
121 //
122
123     /** Synchronizes the underlying data. */
124     protected void synchronizeData() {
125
126         // no need for future synchronizations
127 needsSyncData(false);
128
129         // get initial text value
130 DeferredDocumentImpl ownerDocument =
131             (DeferredDocumentImpl) this.ownerDocument();
132         data = ownerDocument.getNodeValueString(fNodeIndex);
133
134         // NOTE: We used to normalize adjacent text node values here.
135 // This code has moved to the DeferredDocumentImpl
136 // getNodeValueString() method. -Ac
137
138         // ignorable whitespace
139 isIgnorableWhitespace(ownerDocument.getNodeExtra(fNodeIndex) == 1);
140
141     } // synchronizeData()
142
143 } // class DeferredTextImpl
144
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