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Java > Open Source Codes > org > enhydra > apache > xerces > dom > DeferredProcessingInstructionImpl


1 /*
2  * The Apache Software License, Version 1.1
3  *
4  *
5  * Copyright (c) 1999 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.
35  *
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
39  * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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,
45  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
46  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 org.enhydra.apache.xerces.dom;
59
60 /**
61  * Processing Instructions (PIs) permit documents to carry
62  * processor-specific information alongside their actual content. PIs
63  * are most common in XML, but they are supported in HTML as well.
64  *
65  * @version
66  * @since PR-DOM-Level-1-19980818.
67  */
68 public class DeferredProcessingInstructionImpl
69     extends ProcessingInstructionImpl
70     implements DeferredNode {
71
72     //
73 // Constants
74 //
75
76     /** Serialization version. */
77     static final long serialVersionUID = -4643577954293565388L;
78     
79     //
80 // Data
81 //
82
83     /** Node index. */
84     protected transient int fNodeIndex;
85
86     //
87 // Constructors
88 //
89
90     /**
91      * This is the deferred constructor. Only the fNodeIndex is given here.
92      * All other data, can be requested from the ownerDocument via the index.
93      */
94     DeferredProcessingInstructionImpl(DeferredDocumentImpl ownerDocument, int nodeIndex) {
95         super(ownerDocument, null, null);
96
97         fNodeIndex = nodeIndex;
98         needsSyncData(true);
99
100     } // <init>(DeferredDocumentImpl,int)
101
102     //
103 // DeferredNode methods
104 //
105
106     /** Returns the node index. */
107     public int getNodeIndex() {
108         return fNodeIndex;
109     }
110
111     //
112 // Protected methods
113 //
114
115     /** Synchronizes the data. */
116     protected void synchronizeData() {
117
118         // no need to sync in the future
119 needsSyncData(false);
120
121         // fluff data
122 DeferredDocumentImpl ownerDocument =
123             (DeferredDocumentImpl) this.ownerDocument();
124         target = ownerDocument.getNodeNameString(fNodeIndex);
125         data = ownerDocument.getNodeValueString(fNodeIndex);
126
127     } // synchronizeData()
128
129 } // class DeferredProcessingInstructionImpl
130
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