/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Emil Ong
*/
package com.caucho.xml.stream;
import javax.xml.namespace.NamespaceContext;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLEventWriter;
import static javax.xml.stream.XMLStreamConstants.*;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.stream.events.*;
import java.util.Iterator;
public class XMLEventWriterImpl implements XMLEventWriter {
private XMLStreamWriter _out;
public XMLEventWriterImpl(XMLStreamWriter out)
{
_out = out;
}
public XMLStreamWriter getXMLStreamWriter()
{
return _out;
}
public void add(XMLEvent event) throws XMLStreamException
{
// Order important: Namespace extends Attribute, so it comes first
if (event instanceof Namespace) {
Namespace namespace = (Namespace) event;
if (namespace.isDefaultNamespaceDeclaration())
_out.writeDefaultNamespace(namespace.getNamespaceURI());
else
_out.writeNamespace(namespace.getPrefix(),
namespace.getNamespaceURI());
}
else if (event instanceof Attribute) {
Attribute attribute = (Attribute) event;
QName name = attribute.getName();
if (name.getPrefix() != null && ! "".equals(name.getPrefix())) {
_out.writeAttribute(name.getPrefix(), name.getNamespaceURI(),
name.getLocalPart(), attribute.getValue());
}
else if (name.getNamespaceURI() != null &&
! "".equals(name.getNamespaceURI())) {
_out.writeAttribute(name.getNamespaceURI(), name.getLocalPart(),
attribute.getValue());
}
else
_out.writeAttribute(name.getLocalPart(), attribute.getValue());
}
else if (event instanceof Characters) {
Characters characters = (Characters) event;
switch (characters.getEventType()) {
case CDATA:
_out.writeCData(characters.getData());
break;
case SPACE:
case CHARACTERS:
default:
_out.writeCharacters(characters.getData());
break;
}
}
else if (event instanceof Comment) {
Comment comment = (Comment) event;
_out.writeComment(comment.getText());
}
else if (event instanceof DTD) {
DTD dtd = (DTD) event;
_out.writeDTD(dtd.getDocumentTypeDeclaration());
}
else if (event instanceof EndDocument) {
_out.writeEndDocument();
}
else if (event instanceof EndElement) {
_out.writeEndElement();
}
else if (event instanceof EntityDeclaration) {
throw new UnsupportedOperationException();
}
else if (event instanceof EntityReference) {
throw new UnsupportedOperationException();
}
else if (event instanceof NotationDeclaration) {
throw new UnsupportedOperationException();
}
else if (event instanceof ProcessingInstruction) {
ProcessingInstruction pi = (ProcessingInstruction) event;
if (pi.getData() == null || "".equals(pi.getData()))
_out.writeProcessingInstruction(pi.getTarget());
else
_out.writeProcessingInstruction(pi.getTarget(), pi.getData());
}
else if (event instanceof StartDocument) {
StartDocument startDocument = (StartDocument) event;
if (startDocument.encodingSet()) {
_out.writeStartDocument(startDocument.getCharacterEncodingScheme(),
startDocument.getVersion());
}
else if (startDocument.getVersion() != null &&
! "".equals(startDocument.getVersion())) {
_out.writeStartDocument(startDocument.getVersion());
}
else
_out.writeStartDocument();
}
else if (event instanceof StartElement) {
StartElement startElement = (StartElement) event;
QName name = startElement.getName();
// Namespaces
// We do namespaces first because the element itself may need one
// xml/300w should catch this
Iterator namespaces = startElement.getNamespaces();
while (namespaces.hasNext())
add((Namespace) namespaces.next());
if (name.getPrefix() != null && ! "".equals(name.getPrefix())) {
_out.writeStartElement(name.getPrefix(),
name.getLocalPart(),
name.getNamespaceURI());
}
else if (name.getNamespaceURI() != null &&
! "".equals(name.getNamespaceURI())) {
_out.writeStartElement(name.getNamespaceURI(), name.getLocalPart());
}
else
_out.writeStartElement(name.getLocalPart());
// Attributes
Iterator attributes = startElement.getAttributes();
while (attributes.hasNext())
add((Attribute) attributes.next());
}
else
throw new XMLStreamException();
}
public void add(XMLEventReader reader) throws XMLStreamException
{
while (reader.hasNext())
add(reader.nextEvent());
}
public void close() throws XMLStreamException
{
_out.close();
}
public void flush() throws XMLStreamException
{
_out.flush();
}
public NamespaceContext getNamespaceContext()
{
return _out.getNamespaceContext();
}
public String getPrefix(String uri) throws XMLStreamException
{
return _out.getPrefix(uri);
}
public void setDefaultNamespace(String uri) throws XMLStreamException
{
_out.setDefaultNamespace(uri);
}
public void setNamespaceContext(NamespaceContext context)
throws XMLStreamException
{
_out.setNamespaceContext(context);
}
public void setPrefix(String prefix, String uri) throws XMLStreamException
{
_out.setPrefix(prefix, uri);
}
}