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package com.sun.xml.ws.message.jaxb;
import com.sun.xml.ws.api.SOAPVersion;
import com.sun.xml.ws.api.message.Message;
import com.sun.xml.ws.api.message.MessageHeaders;
import com.sun.xml.ws.encoding.SOAPBindingCodec;
import com.sun.xml.ws.message.AbstractMessageImpl;
import com.sun.xml.ws.message.PayloadElementSniffer;
import com.sun.xml.ws.spi.db.BindingContext;
import com.sun.xml.ws.spi.db.XMLBridge;
import org.jvnet.staxex.util.MtomStreamWriter;
import com.sun.xml.ws.streaming.XMLStreamWriterUtil;
import org.xml.sax.ContentHandler;
import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXException;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.attachment.AttachmentMarshaller;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.transform.Source;
import javax.xml.ws.WebServiceException;
import java.io.OutputStream;
/**
* {@link Message} backed by a JAXB bean; this implementation is used when client uses
* Dispatch mechanism in JAXB/MESSAGE mode; difference from {@link JAXBMessage} is
* that {@code jaxbObject} holds whole SOAP message including SOAP envelope;
* it's the client who is responsible for preparing message content.
*
* @author Miroslav Kos (miroslav.kos at oracle.com)
*/
public class JAXBDispatchMessage extends AbstractMessageImpl {
private final Object jaxbObject;
private final XMLBridge bridge;
/**
* For the use case of a user-supplied JAXB context that is not
* a known JAXB type, as when creating a Disaptch object with a
* JAXB object parameter, we will marshal and unmarshal directly with
* the context object, as there is no Bond available. In this case,
* swaRef is not supported.
*/
private final JAXBContext rawContext;
/**
* Lazily sniffed payload element name
*/
private QName payloadQName;
/**
* Copy constructor.
*/
private JAXBDispatchMessage(JAXBDispatchMessage that) {
super(that);
jaxbObject = that.jaxbObject;
rawContext = that.rawContext;
bridge = that.bridge;
copyFrom(that);
}
public JAXBDispatchMessage(JAXBContext rawContext, Object jaxbObject, SOAPVersion soapVersion) {
super(soapVersion);
this.bridge = null;
this.rawContext = rawContext;
this.jaxbObject = jaxbObject;
}
public JAXBDispatchMessage(BindingContext context, Object jaxbObject, SOAPVersion soapVersion) {
super(soapVersion);
this.bridge = context.createFragmentBridge();
this.rawContext = null;
this.jaxbObject = jaxbObject;
}
@Override
protected void writePayloadTo(ContentHandler contentHandler, ErrorHandler errorHandler, boolean fragment) throws SAXException {
throw new UnsupportedOperationException();
}
@Override
public boolean hasHeaders() {
return false;
}
@Override
public MessageHeaders getHeaders() {
return null;
}
@Override
public String getPayloadLocalPart() {
if (payloadQName == null) {
readPayloadElement();
}
return payloadQName.getLocalPart();
}
@Override
public String getPayloadNamespaceURI() {
if (payloadQName == null) {
readPayloadElement();
}
return payloadQName.getNamespaceURI();
}
private void readPayloadElement() {
PayloadElementSniffer sniffer = new PayloadElementSniffer();
try {
if (rawContext != null) {
Marshaller m = rawContext.createMarshaller();
m.setProperty("jaxb.fragment", Boolean.FALSE);
m.marshal(jaxbObject, sniffer);
} else {
bridge.marshal(jaxbObject, sniffer, null);
}
} catch (JAXBException e) {
// if it's due to us aborting the processing after the first element,
// we can safely ignore this exception.
//
// if it's due to error in the object, the same error will be reported
// when the readHeader() method is used, so we don't have to report
// an error right now.
payloadQName = sniffer.getPayloadQName();
}
}
@Override
public boolean hasPayload() {
return true;
}
@Override
public Source readPayloadAsSource() {
throw new UnsupportedOperationException();
}
@Override
public XMLStreamReader readPayload() throws XMLStreamException {
throw new UnsupportedOperationException();
}
@Override
public void writePayloadTo(XMLStreamWriter sw) throws XMLStreamException {
throw new UnsupportedOperationException();
}
@Override
public Message copy() {
return new JAXBDispatchMessage(this).copyFrom(this);
}
@Override
@SuppressWarnings("unchecked")
public void writeTo(XMLStreamWriter sw) throws XMLStreamException {
try {
// MtomCodec sets its own AttachmentMarshaller
AttachmentMarshaller am = (sw instanceof MtomStreamWriter)
? ((MtomStreamWriter) sw).getAttachmentMarshaller()
: new AttachmentMarshallerImpl(attachmentSet);
// Get the encoding of the writer
String encoding = XMLStreamWriterUtil.getEncoding(sw);
// Get output stream and use JAXB UTF-8 writer
OutputStream os = bridge.supportOutputStream() ? XMLStreamWriterUtil.getOutputStream(sw) : null;
if (rawContext != null) {
Marshaller m = rawContext.createMarshaller();
m.setProperty("jaxb.fragment", Boolean.FALSE);
m.setAttachmentMarshaller(am);
if (os != null) {
m.marshal(jaxbObject, os);
} else {
m.marshal(jaxbObject, sw);
}
} else {
if (os != null && encoding != null && encoding.equalsIgnoreCase(SOAPBindingCodec.UTF8_ENCODING)) {
bridge.marshal(jaxbObject, os, sw.getNamespaceContext(), am);
} else {
bridge.marshal(jaxbObject, sw, am);
}
}
//cleanup() is not needed since JAXB doesn't keep ref to AttachmentMarshaller
} catch (JAXBException e) {
// bug 6449684, spec 4.3.4
throw new WebServiceException(e);
}
}
}