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package com.sun.xml.ws.message;
import com.sun.istack.FragmentContentHandler;
import com.sun.xml.bind.api.Bridge;
import com.sun.xml.bind.unmarshaller.DOMScanner;
import com.sun.xml.ws.api.SOAPVersion;
import com.sun.xml.ws.api.message.HeaderList;
import com.sun.xml.ws.api.message.Message;
import com.sun.xml.ws.api.message.AttachmentSet;
import com.sun.xml.ws.api.message.MessageHeaders;
import com.sun.xml.ws.streaming.DOMStreamReader;
import com.sun.xml.ws.util.DOMUtil;
import org.w3c.dom.Element;
import org.xml.sax.ContentHandler;
import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXException;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.transform.Source;
import javax.xml.transform.dom.DOMSource;
import javax.xml.ws.WebServiceException;
/**
* {@link Message} backed by a DOM {@link Element} that represents the payload.
*
* @author Kohsuke Kawaguchi
*/
public final class DOMMessage extends AbstractMessageImpl {
private MessageHeaders headers;
private final Element payload;
public DOMMessage(SOAPVersion ver, Element payload) {
this(ver,null,payload);
}
public DOMMessage(SOAPVersion ver, MessageHeaders headers, Element payload) {
this(ver,headers,payload,null);
}
public DOMMessage(SOAPVersion ver, MessageHeaders headers, Element payload, AttachmentSet attachments) {
super(ver);
this.headers = headers;
this.payload = payload;
this.attachmentSet = attachments;
assert payload!=null;
}
/**
* This constructor is a convenience and called by the {@link #copy}
*/
private DOMMessage(DOMMessage that) {
super(that);
this.headers = HeaderList.copy(that.headers);
this.payload = that.payload;
this.copyFrom(that);
}
public boolean hasHeaders() {
return getHeaders().hasHeaders();
}
public MessageHeaders getHeaders() {
if (headers == null)
headers = new HeaderList(getSOAPVersion());
return headers;
}
public String getPayloadLocalPart() {
return payload.getLocalName();
}
public String getPayloadNamespaceURI() {
return payload.getNamespaceURI();
}
public boolean hasPayload() {
return true;
}
public Source readPayloadAsSource() {
return new DOMSource(payload);
}
public <T> T readPayloadAsJAXB(Unmarshaller unmarshaller) throws JAXBException {
if(hasAttachments())
unmarshaller.setAttachmentUnmarshaller(new AttachmentUnmarshallerImpl(getAttachments()));
try {
return (T)unmarshaller.unmarshal(payload);
} finally{
unmarshaller.setAttachmentUnmarshaller(null);
}
}
/** @deprecated */
public <T> T readPayloadAsJAXB(Bridge<T> bridge) throws JAXBException {
return bridge.unmarshal(payload,
hasAttachments()? new AttachmentUnmarshallerImpl(getAttachments()) : null);
}
public XMLStreamReader readPayload() throws XMLStreamException {
DOMStreamReader dss = new DOMStreamReader();
dss.setCurrentNode(payload);
dss.nextTag();
assert dss.getEventType()==XMLStreamReader.START_ELEMENT;
return dss;
}
public void writePayloadTo(XMLStreamWriter sw) {
try {
if (payload != null)
DOMUtil.serializeNode(payload, sw);
} catch (XMLStreamException e) {
throw new WebServiceException(e);
}
}
protected void writePayloadTo(ContentHandler contentHandler, ErrorHandler errorHandler, boolean fragment) throws SAXException {
if(fragment)
contentHandler = new FragmentContentHandler(contentHandler);
DOMScanner ds = new DOMScanner();
ds.setContentHandler(contentHandler);
ds.scan(payload);
}
public Message copy() {
return new DOMMessage(this).copyFrom(this);
}
}