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	/*
	* Copyright (c) 2005, 2020, 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.
	*/

	package com.sun.org.apache.xalan.internal.xsltc.trax;


	import javax.xml.stream.XMLStreamException;
	import javax.xml.stream.XMLStreamWriter;
	import org.xml.sax.Attributes;
	import org.xml.sax.SAXException;
	import org.xml.sax.ext.Locator2;

	/**
	* @author Sunitha Reddy
	*/
	public class SAX2StAXStreamWriter extends SAX2StAXBaseWriter {

	private XMLStreamWriter writer;

	private boolean needToCallStartDocument = false;

	public SAX2StAXStreamWriter() {

	}

	public SAX2StAXStreamWriter(XMLStreamWriter writer) {
	this.writer = writer;
	}

	public XMLStreamWriter getStreamWriter() {
	return writer;
	}

	public void setStreamWriter(XMLStreamWriter writer) {
	this.writer = writer;
	}

	public void startDocument() throws SAXException {
	super.startDocument();
	// Encoding and version info will be available only after startElement
	// is called for first time. So, defer START_DOCUMENT event of StAX till
	// that point of time.
	needToCallStartDocument = true;
	}

	public void endDocument() throws SAXException {
	try {
	writer.writeEndDocument();
	} catch (XMLStreamException e) {
	throw new SAXException(e);
	}

	super.endDocument();
	}

	public void startElement(String uri, String localName, String qName,
	Attributes attributes) throws SAXException {

	if (needToCallStartDocument) {
	writeStartDocument();
	}

	try {

	String[] qname = {null, null};
	parseQName(qName, qname);
	//Do not call writeStartElement with prefix and namespaceURI, as it writes out
	//namespace declaration.
	//writer.writeStartElement(qname[0], qname[1], uri);
	writer.writeStartElement(qName);

	// write attributes and namespaces as attributes
	for (int i = 0, s = attributes.getLength(); i < s; i++) {

	parseQName(attributes.getQName(i), qname);

	String attrPrefix = qname[0];
	String attrLocal = qname[1];

	String attrQName = attributes.getQName(i);
	String attrValue = attributes.getValue(i);
	String attrURI = attributes.getURI(i);

	if ("xmlns".equals(attrPrefix) \|\| "xmlns".equals(attrQName)) {
	// namespace declaration disguised as an attribute.
	// write it as an namespace
	if (attrLocal.length() == 0) {
	writer.setDefaultNamespace(attrValue);
	} else {
	writer.setPrefix(attrLocal, attrValue);
	}

	writer.writeNamespace(attrLocal, attrValue);

	} else if (attrPrefix.length() > 0) {
	writer.writeAttribute(attrPrefix, attrURI, attrLocal,
	attrValue);
	} else {
	writer.writeAttribute(attrQName, attrValue);
	}
	}

	} catch (XMLStreamException e) {
	throw new SAXException(e);
	} finally {
	super.startElement(uri, localName, qName, attributes);
	}
	}

	public void endElement(String uri, String localName, String qName)
	throws SAXException {
	try {
	writer.writeEndElement();
	} catch (XMLStreamException e) {
	throw new SAXException(e);
	} finally {
	super.endElement(uri, localName, qName);
	}
	}

	public void comment(char[] ch, int start, int length) throws SAXException {
	if (needToCallStartDocument) {
	writeStartDocument();
	}
	super.comment(ch, start, length);
	try {
	writer.writeComment(new String(ch, start, length));
	} catch (XMLStreamException e) {
	throw new SAXException(e);
	}
	}

	public void characters(char[] ch, int start, int length)
	throws SAXException {
	super.characters(ch, start, length);
	try {
	if (!isCDATA) {
	writer.writeCharacters(ch, start, length);
	}
	} catch (XMLStreamException e) {
	throw new SAXException(e);
	}
	}

	public void endCDATA() throws SAXException {
	try {
	writer.writeCData(CDATABuffer.toString());
	} catch (XMLStreamException e) {
	throw new SAXException(e);
	}

	super.endCDATA();
	}

	public void ignorableWhitespace(char[] ch, int start, int length)
	throws SAXException {

	super.ignorableWhitespace(ch, start, length);
	try {
	writer.writeCharacters(ch, start, length);
	} catch (XMLStreamException e) {
	throw new SAXException(e);
	}
	}

	public void processingInstruction(String target, String data)
	throws SAXException {

	super.processingInstruction(target, data);
	try {
	writer.writeProcessingInstruction(target, data);
	} catch (XMLStreamException e) {
	throw new SAXException(e);
	}
	}

	void writeStartDocument() throws SAXException {
	super.writeStartDocument();
	try {
	writer.writeStartDocument(xmlVersion);
	} catch (XMLStreamException e) {
	throw new SAXException(e);
	}
	needToCallStartDocument = false;
	}
	}

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