/*
* Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* Copyright (C) 2004-2011
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.sun.xml.internal.rngom.digested;
import org.w3c.dom.Attr;
import org.w3c.dom.CDATASection;
import org.w3c.dom.Comment;
import org.w3c.dom.Document;
import org.w3c.dom.DocumentFragment;
import org.w3c.dom.Element;
import org.w3c.dom.EntityReference;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.ProcessingInstruction;
import org.w3c.dom.Text;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
/**
* Printer of DOM to XML using StAX {@link XMLStreamWriter}.
*
* @author <A href="mailto:demakov@ispras.ru">Alexey Demakov</A>
*/
class DOMPrinter {
protected XMLStreamWriter out;
public DOMPrinter(XMLStreamWriter out) {
this.out = out;
}
public void print(Node node) throws XMLStreamException {
switch (node.getNodeType()) {
case Node.DOCUMENT_NODE:
visitDocument((Document) node);
break;
case Node.DOCUMENT_FRAGMENT_NODE:
visitDocumentFragment((DocumentFragment) node);
break;
case Node.ELEMENT_NODE:
visitElement((Element) node);
break;
case Node.TEXT_NODE:
visitText((Text) node);
break;
case Node.CDATA_SECTION_NODE:
visitCDATASection((CDATASection) node);
break;
case Node.PROCESSING_INSTRUCTION_NODE:
visitProcessingInstruction((ProcessingInstruction) node);
break;
case Node.ENTITY_REFERENCE_NODE:
visitReference((EntityReference) node);
break;
case Node.COMMENT_NODE:
visitComment((Comment) node);
break;
case Node.DOCUMENT_TYPE_NODE:
break;
case Node.ATTRIBUTE_NODE:
case Node.ENTITY_NODE:
default:
throw new XMLStreamException("Unexpected DOM Node Type "
+ node.getNodeType()
);
}
}
protected void visitChildren(Node node)
throws XMLStreamException {
NodeList nodeList = node.getChildNodes();
if (nodeList != null) {
for (int i = 0; i < nodeList.getLength(); i++) {
print(nodeList.item(i));
}
}
}
protected void visitDocument(Document document)
throws XMLStreamException {
out.writeStartDocument();
print(document.getDocumentElement());
out.writeEndDocument();
}
protected void visitDocumentFragment(DocumentFragment documentFragment)
throws XMLStreamException {
visitChildren(documentFragment);
}
protected void visitElement(Element node)
throws XMLStreamException {
out.writeStartElement(node.getPrefix()
, node.getLocalName()
, node.getNamespaceURI()
);
NamedNodeMap attrs = node.getAttributes();
for (int i = 0; i < attrs.getLength(); i++) {
visitAttr((Attr) attrs.item(i));
}
visitChildren(node);
out.writeEndElement();
}
protected void visitAttr(Attr node)
throws XMLStreamException {
String name = node.getLocalName();
if (name.equals("xmlns")) {
out.writeDefaultNamespace(node.getNamespaceURI());
} else {
String prefix = node.getPrefix();
if (prefix != null && prefix.equals("xmlns")) {
out.writeNamespace(prefix, node.getNamespaceURI());
} else if (prefix != null) {
out.writeAttribute(prefix
, node.getNamespaceURI()
, name
, node.getNodeValue()
);
} else {
out.writeAttribute(node.getNamespaceURI()
, name
, node.getNodeValue());
}
}
}
protected void visitComment(Comment comment) throws XMLStreamException {
out.writeComment(comment.getData());
}
protected void visitText(Text node) throws XMLStreamException {
out.writeCharacters(node.getNodeValue());
}
protected void visitCDATASection(CDATASection cdata) throws XMLStreamException {
out.writeCData(cdata.getNodeValue());
}
protected void visitProcessingInstruction(ProcessingInstruction processingInstruction)
throws XMLStreamException {
out.writeProcessingInstruction(processingInstruction.getNodeName()
, processingInstruction.getData()
);
}
protected void visitReference(EntityReference entityReference)
throws XMLStreamException {
visitChildren(entityReference);
}
}