/*******************************************************************************
* Copyright (c) 1998, 2010 Oracle. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* mmacivor - June 24/2009 - 1.0 - Initial implementation
******************************************************************************/
package org.eclipse.persistence.oxm.record;
import java.util.HashMap;
import java.util.Map;
import javax.xml.namespace.NamespaceContext;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import org.eclipse.persistence.exceptions.XMLMarshalException;
import org.eclipse.persistence.internal.oxm.XPathFragment;
import org.eclipse.persistence.internal.oxm.record.DomToXMLStreamWriter;
import org.eclipse.persistence.oxm.NamespaceResolver;
import org.eclipse.persistence.oxm.XMLConstants;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
/**
* <p>Use this type of MarshalRecord when the marshal target is an XMLStreamWriter
* <p><code>
* XMLContext xmlContext = new XMLContext("session-name");<br>
* XMLMarshaller xmlMarshaller = xmlContext.createMarshaller();<br>
* XMLStreamWriterRecord writerRecord = new XMLStreamWriterRecord(xmlStreamWriter);<br>
* xmlMarshaller.marshal(myObject, writerRecord);<br>
* @see org.eclipse.persistence.oxm.XMLMarshaller
*/
public class XMLStreamWriterRecord extends MarshalRecord {
private static int COUNTER = 0;
private DomToXMLStreamWriter domToStreamWriter;
private Map<String, String> prefixMapping;
private NamespaceResolver namespaceResolver;
private XMLStreamWriter xmlStreamWriter;
public XMLStreamWriterRecord(XMLStreamWriter xmlStreamWriter) {
this.xmlStreamWriter = xmlStreamWriter;
}
public XMLStreamWriter getXMLStreamWriter() {
return xmlStreamWriter;
}
public void setXMLStreamWriter(XMLStreamWriter anXMLStreamWriter) {
this.xmlStreamWriter = anXMLStreamWriter;
}
private DomToXMLStreamWriter getDomToXMLStreamWriter() {
if(null == domToStreamWriter) {
domToStreamWriter = new DomToXMLStreamWriter();
}
return domToStreamWriter;
}
public void attribute(XPathFragment xPathFragment, NamespaceResolver namespaceResolver, String value) {
try {
String namespaceURI = xPathFragment.getNamespaceURI();
if(namespaceURI == null) {
xmlStreamWriter.writeAttribute(xPathFragment.getLocalName(), value);
} else {
String prefix = xPathFragment.getPrefix();
if(prefix == null) {
xmlStreamWriter.writeAttribute(namespaceURI, xPathFragment.getLocalName(), value);
} else {
xmlStreamWriter.writeAttribute(prefix, namespaceURI, xPathFragment.getLocalName(), value);
}
}
} catch(XMLStreamException e) {
throw XMLMarshalException.marshalException(e);
}
}
public void attribute(String namespaceURI, String localName, String name, String value) {
try {
if(namespaceURI != null && namespaceURI.equals(XMLConstants.XMLNS_URL)) {
if(localName.equals(XMLConstants.XMLNS)) {
xmlStreamWriter.writeDefaultNamespace(value);
} else {
xmlStreamWriter.writeNamespace(localName, value);
}
} else {
NamespaceContext ctx = xmlStreamWriter.getNamespaceContext();
if(namespaceURI == null || namespaceURI.length() == 0) {
xmlStreamWriter.writeAttribute(localName, value);
} else {
xmlStreamWriter.writeAttribute(xmlStreamWriter.getNamespaceContext().getPrefix(namespaceURI), namespaceURI, localName, value);
}
}
} catch(XMLStreamException e) {
throw XMLMarshalException.marshalException(e);
}
}
public void cdata(String value) {
try {
xmlStreamWriter.writeCData(value);
} catch(XMLStreamException e) {
throw XMLMarshalException.marshalException(e);
}
}
public void characters(String value) {
try {
xmlStreamWriter.writeCharacters(value);
} catch(XMLStreamException e) {
throw XMLMarshalException.marshalException(e);
}
}
public void closeStartElement() {
}
public void openStartElement(XPathFragment xPathFragment, NamespaceResolver namespaceResolver) {
super.openStartElement(xPathFragment, namespaceResolver);
try {
String namespaceURI = xPathFragment.getNamespaceURI();
if(namespaceURI == null) {
xmlStreamWriter.writeStartElement(XMLConstants.EMPTY_STRING, xPathFragment.getLocalName(), XMLConstants.EMPTY_STRING);
String defaultNamespace = xmlStreamWriter.getNamespaceContext().getNamespaceURI(XMLConstants.EMPTY_STRING);
if(defaultNamespace != null && defaultNamespace.length() > 0 ) {
xmlStreamWriter.writeDefaultNamespace(XMLConstants.EMPTY_STRING);
}
} else {
String prefix = xPathFragment.getPrefix();
if(prefix == null) {
prefix = XMLConstants.EMPTY_STRING;
}
xmlStreamWriter.writeStartElement(prefix, xPathFragment.getLocalName(), namespaceURI);
}
writePrefixMappings();
} catch(XMLStreamException e) {
throw XMLMarshalException.marshalException(e);
}
}
public void element(XPathFragment frag) {
try {
xmlStreamWriter.writeStartElement(frag.getShortName());
xmlStreamWriter.writeEndElement();
} catch(XMLStreamException e) {
throw XMLMarshalException.marshalException(e);
}
}
public void endDocument() {
try {
xmlStreamWriter.writeEndDocument();
} catch(XMLStreamException e) {
throw XMLMarshalException.marshalException(e);
}
}
public void endElement(XPathFragment pathFragment, NamespaceResolver namespaceResolver) {
try {
xmlStreamWriter.writeEndElement();
} catch(XMLStreamException e) {
throw XMLMarshalException.marshalException(e);
}
}
public void node(Node node, NamespaceResolver resolver) {
try {
if(node.getNodeType() == Node.DOCUMENT_NODE) {
node = ((Document)node).getDocumentElement();
}
getDomToXMLStreamWriter().writeToStream(node, this.xmlStreamWriter);
} catch(XMLStreamException e) {
throw XMLMarshalException.marshalException(e);
}
}
public void startDocument(String encoding, String version) {
try {
xmlStreamWriter.writeStartDocument(encoding, version);
} catch(XMLStreamException e) {
throw XMLMarshalException.marshalException(e);
}
}
public void startPrefixMapping(String prefix, String namespaceUri) {
if(null == this.prefixMapping) {
this.prefixMapping = new HashMap<String, String>();
}
this.prefixMapping.put(prefix, namespaceUri);
}
private void writePrefixMappings() {
try {
if(null != namespaceResolver) {
String defaultNamespace = namespaceResolver.getDefaultNamespaceURI();
if(defaultNamespace != null) {
xmlStreamWriter.writeNamespace(XMLConstants.EMPTY_STRING, defaultNamespace);
}
for(Map.Entry<String, String> entry:this.namespaceResolver.getPrefixesToNamespaces().entrySet()) {
xmlStreamWriter.writeNamespace(entry.getKey(), entry.getValue());
}
namespaceResolver = null;
}
if(null != prefixMapping) {
for(Map.Entry<String, String> entry:this.prefixMapping.entrySet()) {
xmlStreamWriter.writeNamespace(entry.getKey(), entry.getValue());
}
prefixMapping = null;
}
} catch(XMLStreamException e) {
throw XMLMarshalException.marshalException(e);
}
}
public void namespaceDeclarations(NamespaceResolver namespaceResolver) {
}
public void startPrefixMappings(NamespaceResolver namespaceResolver) {
this.namespaceResolver = namespaceResolver;
}
}