1 /*
2 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25 /*
26 * Copyright (C) 2004-2011
27 *
28 * Permission is hereby granted, free of charge, to any person obtaining a copy
29 * of this software and associated documentation files (the "Software"), to deal
30 * in the Software without restriction, including without limitation the rights
31 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
32 * copies of the Software, and to permit persons to whom the Software is
33 * furnished to do so, subject to the following conditions:
34 *
35 * The above copyright notice and this permission notice shall be included in
36 * all copies or substantial portions of the Software.
37 *
38 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
39 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
40 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
41 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
42 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
43 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
44 * THE SOFTWARE.
45 */
46 package com.sun.xml.internal.rngom.digested;
47
48 import org.w3c.dom.Attr;
49 import org.w3c.dom.CDATASection;
50 import org.w3c.dom.Comment;
51 import org.w3c.dom.Document;
52 import org.w3c.dom.DocumentFragment;
53 import org.w3c.dom.Element;
54 import org.w3c.dom.EntityReference;
55 import org.w3c.dom.NamedNodeMap;
56 import org.w3c.dom.Node;
57 import org.w3c.dom.NodeList;
58 import org.w3c.dom.ProcessingInstruction;
59 import org.w3c.dom.Text;
60
61 import javax.xml.stream.XMLStreamException;
62 import javax.xml.stream.XMLStreamWriter;
63
64 /**
65 * Printer of DOM to XML using StAX {@link XMLStreamWriter}.
66 *
67 * @author <A href="mailto:demakov@ispras.ru">Alexey Demakov</A>
68 */
69 class DOMPrinter {
70 protected XMLStreamWriter out;
71
72 public DOMPrinter(XMLStreamWriter out) {
73 this.out = out;
74 }
75
76 public void print(Node node) throws XMLStreamException {
77 switch (node.getNodeType()) {
78 case Node.DOCUMENT_NODE:
79 visitDocument((Document) node);
80 break;
81 case Node.DOCUMENT_FRAGMENT_NODE:
82 visitDocumentFragment((DocumentFragment) node);
83 break;
84 case Node.ELEMENT_NODE:
85 visitElement((Element) node);
86 break;
87 case Node.TEXT_NODE:
88 visitText((Text) node);
89 break;
90 case Node.CDATA_SECTION_NODE:
91 visitCDATASection((CDATASection) node);
92 break;
93 case Node.PROCESSING_INSTRUCTION_NODE:
94 visitProcessingInstruction((ProcessingInstruction) node);
95 break;
96 case Node.ENTITY_REFERENCE_NODE:
97 visitReference((EntityReference) node);
98 break;
99 case Node.COMMENT_NODE:
100 visitComment((Comment) node);
101 break;
102 case Node.DOCUMENT_TYPE_NODE:
103 break;
104 case Node.ATTRIBUTE_NODE:
105 case Node.ENTITY_NODE:
106 default:
107 throw new XMLStreamException("Unexpected DOM Node Type "
108 + node.getNodeType()
109 );
110 }
111 }
112
113 protected void visitChildren(Node node)
114 throws XMLStreamException {
115 NodeList nodeList = node.getChildNodes();
116 if (nodeList != null) {
117 for (int i = 0; i < nodeList.getLength(); i++) {
118 print(nodeList.item(i));
119 }
120 }
121 }
122
123 protected void visitDocument(Document document)
124 throws XMLStreamException {
125 out.writeStartDocument();
126 print(document.getDocumentElement());
127 out.writeEndDocument();
128 }
129
130 protected void visitDocumentFragment(DocumentFragment documentFragment)
131 throws XMLStreamException {
132 visitChildren(documentFragment);
133 }
134
135 protected void visitElement(Element node)
136 throws XMLStreamException {
137 out.writeStartElement(node.getPrefix()
138 , node.getLocalName()
139 , node.getNamespaceURI()
140 );
141 NamedNodeMap attrs = node.getAttributes();
142 for (int i = 0; i < attrs.getLength(); i++) {
143 visitAttr((Attr) attrs.item(i));
144 }
145 visitChildren(node);
146 out.writeEndElement();
147 }
148
149 protected void visitAttr(Attr node)
150 throws XMLStreamException {
151 String name = node.getLocalName();
152 if (name.equals("xmlns")) {
153 out.writeDefaultNamespace(node.getNamespaceURI());
154 } else {
155 String prefix = node.getPrefix();
156 if (prefix != null && prefix.equals("xmlns")) {
157 out.writeNamespace(prefix, node.getNamespaceURI());
158 } else if (prefix != null) {
159 out.writeAttribute(prefix
160 , node.getNamespaceURI()
161 , name
162 , node.getNodeValue()
163 );
164 } else {
165 out.writeAttribute(node.getNamespaceURI()
166 , name
167 , node.getNodeValue());
168 }
169 }
170 }
171
172 protected void visitComment(Comment comment) throws XMLStreamException {
173 out.writeComment(comment.getData());
174 }
175
176 protected void visitText(Text node) throws XMLStreamException {
177 out.writeCharacters(node.getNodeValue());
178 }
179
180 protected void visitCDATASection(CDATASection cdata) throws XMLStreamException {
181 out.writeCData(cdata.getNodeValue());
182 }
183
184 protected void visitProcessingInstruction(ProcessingInstruction processingInstruction)
185 throws XMLStreamException {
186 out.writeProcessingInstruction(processingInstruction.getNodeName()
187 , processingInstruction.getData()
188 );
189 }
190
191 protected void visitReference(EntityReference entityReference)
192 throws XMLStreamException {
193 visitChildren(entityReference);
194 }
195 }