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Java > Open Source Codes > com > sun > org > apache > xerces > internal > impl > xs > dom > DocumentImpl


1 /*
2  * The Apache Software License, Version 1.1
3  *
4  *
5  * Copyright (c) 2001, 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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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,
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 com.sun.org.apache.xerces.internal.impl.xs.dom;
59
60 import com.sun.org.apache.xerces.internal.dom.TextImpl;
61 import com.sun.org.apache.xerces.internal.dom.AttrNSImpl;
62 import org.w3c.dom.DOMException JavaDoc;
63 import org.w3c.dom.Element JavaDoc;
64 import org.w3c.dom.Text JavaDoc;
65 import org.w3c.dom.Attr JavaDoc;
66
67
68 /**
69  * Our own document implementation, which knows how to create an element
70  * with line/column information
71  *
72  * @author Sandy Gao, IBM
73  *
74  * @version $Id: DocumentImpl.java,v 1.3 2002/11/20 00:49:47 twl Exp $
75  */
76 public class DocumentImpl extends com.sun.org.apache.xerces.internal.dom.CoreDocumentImpl {
77
78     protected DOMNodePool fNodePool;
79     //
80 // Constructors
81 //
82
83     /**
84      * Create a document
85      */
86     public DocumentImpl() {
87         super();
88     }
89
90
91     /**
92      * create an element with line/colument information
93      */
94     public Element JavaDoc createElementNS(String JavaDoc namespaceURI, String JavaDoc qualifiedName,
95                                    String JavaDoc localpart,
96                                    int lineNum, int columnNum)
97         throws DOMException JavaDoc
98     {
99         if (fNodePool !=null) {
100             ElementNSImpl element = fNodePool.getElementNode();
101             element.setValues(this, namespaceURI, qualifiedName,
102                                  localpart, lineNum, columnNum);
103             return element;
104         }
105         return new ElementNSImpl(this, namespaceURI, qualifiedName,
106                                  localpart, lineNum, columnNum);
107     }
108
109     /**
110      * Create a text node. If node pool is available use text node from the pool.
111      *
112      * @param data
113      * @return a usable TextNode
114      */
115     public Text JavaDoc createTextNode(String JavaDoc data) {
116         if (fNodePool != null) {
117             TextImpl text = fNodePool.getTextNode();
118             text.setValues(this, data);
119             return text;
120         }
121         return new TextImpl(this, data);
122     }
123       
124
125     /**
126      * Create attribute node. If node pool is available use
127      * attribute node from the pool.
128      *
129      * @param namespaceURI
130      * @param qualifiedName
131      * @param localName
132      * @return a new attribute node
133      * @exception DOMException
134      */
135     public Attr JavaDoc createAttributeNS(String JavaDoc namespaceURI, String JavaDoc qualifiedName,
136                                   String JavaDoc localName) throws DOMException JavaDoc {
137         if (fNodePool != null) {
138             AttrNSImpl attr = fNodePool.getAttrNode();
139             attr.setValues(this, namespaceURI, qualifiedName, localName);
140             return attr;
141         }
142         return new AttrNSImpl(this, namespaceURI, qualifiedName, localName);
143     }
144     
145 } // class DocumentImpl
146
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