Java example source code file (SAX2StAXStreamWriter.java)
The SAX2StAXStreamWriter.java Java example source code/*
* Copyright (c) 2005, 2006, 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 java.util.Iterator;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.stream.XMLEventWriter;
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) {
try {
if (docLocator == null)
writer.writeStartDocument();
else {
try{
writer.writeStartDocument(((Locator2)docLocator).getXMLVersion());
}catch(ClassCastException e){
writer.writeStartDocument();
}
}
} catch (XMLStreamException e) {
throw new SAXException(e);
}
needToCallStartDocument = false;
}
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);
// No need to write namespaces, as they are written as part of attributes.
/*if (namespaces != null) {
final int nDecls = namespaces.size();
for (int i = 0; i < nDecls; i++) {
final String prefix = (String) namespaces.elementAt(i);
if (prefix.length() == 0) {
writer.setDefaultNamespace((String)namespaces.elementAt(++i));
} else {
writer.setPrefix(prefix, (String) namespaces.elementAt(++i));
}
writer.writeNamespace(prefix, (String)namespaces.elementAt(i));
}
}*/
// write 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 {
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);
}
}
}
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