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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2004, 2021 Oracle and/or its affiliates. All rights reserved.
*
* Oracle licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.sun.xml.fastinfoset.tools;
import com.sun.xml.fastinfoset.QualifiedName;
import java.util.ArrayList;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import org.xml.sax.Attributes;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;
import org.xml.sax.ext.LexicalHandler;
import org.xml.sax.helpers.DefaultHandler;
public class SAX2StAXWriter extends DefaultHandler implements LexicalHandler {
private static final Logger logger = Logger.getLogger(SAX2StAXWriter.class.getName());
/**
* XML stream writer where events are pushed.
*/
XMLStreamWriter _writer;
/**
* List of namespace decl for upcoming element.
*/
ArrayList _namespaces = new ArrayList<>();
public SAX2StAXWriter(XMLStreamWriter writer) {
_writer = writer;
}
public XMLStreamWriter getWriter() {
return _writer;
}
@Override
public void startDocument() throws SAXException {
try {
_writer.writeStartDocument();
}
catch (XMLStreamException e) {
throw new SAXException(e);
}
}
@Override
public void endDocument() throws SAXException {
try {
_writer.writeEndDocument();
_writer.flush();
}
catch (XMLStreamException e) {
throw new SAXException(e);
}
}
@Override
public void characters(char[] ch, int start, int length)
throws SAXException
{
try {
_writer.writeCharacters(ch, start, length);
}
catch (XMLStreamException e) {
throw new SAXException(e);
}
}
@Override
public void startElement(String namespaceURI, String localName,
String qName, Attributes atts) throws SAXException
{
try {
int k = qName.indexOf(':');
String prefix = (k > 0) ? qName.substring(0, k) : "";
_writer.writeStartElement(prefix, localName, namespaceURI);
int length = _namespaces.size();
for (int i = 0; i < length; i++) {
QualifiedName nsh = _namespaces.get(i);
_writer.writeNamespace(nsh.prefix, nsh.namespaceName);
}
_namespaces.clear();
length = atts.getLength();
for (int i = 0; i < length; i++) {
_writer.writeAttribute(atts.getURI(i),
atts.getLocalName(i),
atts.getValue(i));
}
}
catch (XMLStreamException e) {
throw new SAXException(e);
}
}
@Override
public void endElement(String namespaceURI, String localName,
String qName) throws SAXException
{
try {
_writer.writeEndElement();
}
catch (XMLStreamException e) {
logger.log(Level.FINE, "Exception on endElement", e);
throw new SAXException(e);
}
}
@Override
public void startPrefixMapping(String prefix, String uri)
throws SAXException
{
// Commented as in StAX NS are declared for current element?
// now _writer.setPrefix() is invoked in _writer.writeNamespace()
// try {
// _writer.setPrefix(prefix, uri);
_namespaces.add(new QualifiedName(prefix, uri));
// }
// catch (XMLStreamException e) {
// throw new SAXException(e);
// }
}
@Override
public void endPrefixMapping(String prefix) throws SAXException {
}
@Override
public void ignorableWhitespace(char[] ch, int start, int length)
throws SAXException
{
characters(ch, start, length);
}
@Override
public void processingInstruction(String target, String data)
throws SAXException
{
try {
_writer.writeProcessingInstruction(target, data);
}
catch (XMLStreamException e) {
throw new SAXException(e);
}
}
@Override
public void setDocumentLocator(Locator locator) {
}
@Override
public void skippedEntity(String name) throws SAXException {
}
@Override
public void comment(char[] ch, int start, int length)
throws SAXException
{
try {
_writer.writeComment(new String(ch, start, length));
}
catch (XMLStreamException e) {
throw new SAXException(e);
}
}
@Override
public void endCDATA() throws SAXException {
}
@Override
public void endDTD() throws SAXException {
}
@Override
public void endEntity(String name) throws SAXException {
}
@Override
public void startCDATA() throws SAXException {
}
@Override
public void startDTD(String name, String publicId, String systemId) throws SAXException {
}
@Override
public void startEntity(String name) throws SAXException {
}
}
