Examples of com.sun.xml.ws.api.message.Message

com.sun.xml.ws.api.message.Message
Represents a SOAP message.
What is a message?

A {@link Message} consists of the following:
1. Random-accessible list of headers. a header is a representation of an element inside <soap:Header>. It can be read multiple times, can be added or removed, but it is not modifiable. See {@link HeaderList} for more about headers.
2. The payload of the message, which is a representation of an element inside <soap:Body>. the payload is streamed, and therefore it can be only read once (or can be only written to something once.) once a payload is used, a message is said to be consumed. A message {@link #hasPayload() may not have any payload.}
3. Attachments. TODO: can attachments be streamed? I suspect so. does anyone need to read attachment twice?
How does this abstraction work?

The basic idea behind the {@link Message} is to hide the actualdata representation. For example, a {@link Message} might beconstructed on top of an {@link InputStream} from the accepted HTTP connection,or it might be constructed on top of a JAXB object as a result of the method invocation through {@link Proxy}. There will be a {@link Message} implementation for each of those cases.
This interface provides a lot of methods that access the payload in many different forms, and implementations can implement those methods in the best possible way.
A particular attention is paid to make sure that a {@link Message}object can be constructed on a stream that is not fully read yet. We believe this improves the turn-around time on the server side.
It is often useful to wrap a {@link Message} into another {@link Message}, for example to encrypt the body, or to verify the signature as the body is read.
This representation is also used for a REST-ful XML message. In such case we'll construct a {@link Message} with emptyattachments and headers, and when serializing all headers and attachments will be ignored.
Message and XOP

XOP is considered as an {@link Codec}, and therefore when you are looking at {@link Message}, you'll never see <xop:Include> or any such elements (instead you'll see the base64 data inlined.) If a consumer of infoset isn't interested in handling XOP by himself, this allows him to work with XOP correctly even without noticing it.
For producers and consumers that are interested in accessing the binary data more efficiently, they can use {@link XMLStreamReaderEx} and{@link XMLStreamWriterEx}.
Message lifespan

Often {@link Packet} include information local to a particularinvocaion (such as {@code HttpServletRequest}, from this angle, it makes sense to tie a lifespan of a message to one pipeline invocation.
On the other hand, if you think about WS-RM, it often needs to hold on to a message longer than a pipeline invocation (you might get an HTTP request, get a message X, get a second HTTP request, get another message Y, and only then you might want to process X.)
TODO: what do we do about this?
```
 TODO: can body element have foreign attributes? maybe ID for security? Yes, when the SOAP body is signed there will be an ID attribute present But in this case any security based impl may need access to the concrete representation. TODO: HTTP headers? Yes. Abstracted as transport-based properties. TODO: who handles SOAP 1.1 and SOAP 1.2 difference? As separate channel implementations responsible for the creation of the message? TODO: session? TODO: Do we need to expose SOAPMessage explicitly? SOAPMessage could be the concrete representation but is it necessary to transform between different concrete representations? Perhaps this comes down to how use channels for creation and processing. TODO: Do we need to distinguish better between creation and processing? Do we really need the requirement that a created message can be resused for processing. Shall we bifurcate? TODO: SOAP version issue SOAP version is determined by the context, so message itself doesn't carry it around (?) TODO: wrapping message needs easier. in particular properties and attachments. 
```
@author Kohsuke Kawaguchi

     */
    final void insertFaultMessage(C context,
        ProtocolException exception) {
        try {
            if(!context.getPacketMessage().isFault()) {
                Message faultMessage = Messages.create(binding.getSOAPVersion(),
                        exception,determineFaultCode(binding.getSOAPVersion()));
                context.setPacketMessage(faultMessage);
            }
        } catch (Exception e) {
            // severe since this is from runtime and not handler

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        try {
            String faultString = MUST_UNDERSTAND_FAULT_MESSAGE_STRING;
            if (soapVersion == SOAP_11) {
                faultString = "MustUnderstand headers:" + notUnderstoodHeaders + " are not understood";
            }
            Message  muFaultMessage = SOAPFaultBuilder.createSOAPFaultMessage(
                    soapVersion,faultString,soapVersion.faultCodeMustUnderstand);


            if (soapVersion == SOAP_12) {
                addHeader(muFaultMessage, notUnderstoodHeaders);
            }

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    }


    // TODO: preencode String literals to byte[] so that they don't have to
    // go through char[]->byte[] conversion at runtime.
    public ContentType encode(Packet packet, OutputStream out) throws IOException {
        Message msg = packet.getMessage();
        if (msg == null) {
            return null;
        }


        if (hasAttachments) {
            writeln("--"+boundary, out);
            ContentType ct = rootCodec.getStaticContentType(packet);
            String ctStr = (ct != null) ? ct.getContentType() : rootCodec.getMimeType();
            writeln("Content-Type: " + ctStr, out);
            writeln(out);
        }
        ContentType primaryCt = rootCodec.encode(packet, out);


        if (hasAttachments) {
            writeln(out);
            // Encode all the attchments
            for (Attachment att : msg.getAttachments()) {
                writeln("--"+boundary, out);
                //SAAJ's AttachmentPart.getContentId() returns content id already enclosed with
                //angle brackets. For now put angle bracket only if its not there
                String cid = att.getContentId();
                if(cid != null && cid.length() >0 && cid.charAt(0) != '<')

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        // TODO not returing correct multipart/related type(no boundary)
        return hasAttachments ? new ContentTypeImpl(messageContentType, packet.soapAction, null) : primaryCt;
    }
    
    public ContentType getStaticContentType(Packet packet) {
        Message msg = packet.getMessage();
        hasAttachments = !msg.getAttachments().isEmpty();


        if (hasAttachments) {
            boundary = "uuid:" + UUID.randomUUID().toString();
            String boundaryParameter = "boundary=\"" + boundary + "\"";
            // TODO use primaryEncoder to get type

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                // calling tubePool.recycle()
                error.printStackTrace();
                // Convert all runtime exceptions to Packet so that transport doesn't
                // have to worry about converting to wire message
                // TODO XML/HTTP binding
                Message faultMsg = SOAPFaultBuilder.createSOAPFaultMessage(
                        soapVersion, null, error);
                Packet response = request.createServerResponse(faultMsg, request.endpoint.getPort(), null,
                        request.endpoint.getBinding());
                if (callback!=null) {
                    callback.onCompletion(response);

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                } catch (RuntimeException re) {
                    // Catch all runtime exceptions so that transport doesn't
                    // have to worry about converting to wire message
                    // TODO XML/HTTP binding
                    re.printStackTrace();
                    Message faultMsg = SOAPFaultBuilder.createSOAPFaultMessage(
                            soapVersion, null, re);
                    response = request.createServerResponse(faultMsg, request.endpoint.getPort(), null, request.endpoint.getBinding());
                }
                return response;
            }

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        }
        
        // Override the MTOM binding for now
        // Note: Using FI with MTOM does not make sense
        if (useFastInfosetForEncoding) {
            final Message m = p.getMessage();
            if(m==null || m.getAttachments().isEmpty() || binding.isFeatureEnabled(MTOMFeature.class))
                return fiSoapCodec;
            else
                return fiSwaCodec;
        }
        
        if(binding.isFeatureEnabled(MTOMFeature.class) ) {
            //On client, always use XOP encoding if MTOM is enabled
            // On Server, use XOP encoding if either request is XOP encoded or client accepts XOP encoding
            if(!isServerSide() || isRequestMtomMessage || acceptMtomMessages)
                return xmlMtomCodec;
        }


        Message m = p.getMessage();
        if(m==null || m.getAttachments().isEmpty())
            return xmlSoapCodec;
        else
            return xmlSwaCodec;
    }

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        //No way to dispatch this request
        String err = MessageFormat.format("Request=[SOAPAction={0},Payload='{'{1}'}'{2}]",
                request.soapAction, request.getMessage().getPayloadNamespaceURI(),
                request.getMessage().getPayloadLocalPart());
        String faultString = ServerMessages.DISPATCH_CANNOT_FIND_METHOD(err);
        Message faultMsg = SOAPFaultBuilder.createSOAPFaultMessage(
                binding.getSOAPVersion(), faultString, binding.getSOAPVersion().faultCodeClient);
        throw new DispatchException(faultMsg);


    }

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        if (action == null)
            // Addressing is not enagaged, return null to use other ways to dispatch.
            return null;


        Message message = request.getMessage();
        QName payloadName;
        String localPart = message.getPayloadLocalPart();
        if (localPart == null) {
            payloadName = EMPTY_PAYLOAD;
        } else {
            String nsUri = message.getPayloadNamespaceURI();
            if (nsUri == null)
                nsUri = EMPTY_PAYLOAD_NSURI;
            payloadName = new QName(nsUri, localPart);
        }


        QName opName = uniqueOpSignatureMap.get(new ActionBasedOperationSignature(action, payloadName));
        if (opName != null)
            return opName;


        //Seems like in Wstrust STS wsdls, the payload does not match what is specified in the wsdl leading to incorrect
        //  wsdl operation resolution. Use just wsa:Action to dispatch as a last resort.
        //try just with wsa:Action
        opName = actionMap.get(action);
        if (opName != null)
            return opName;


        // invalid action header
        Message result = Messages.create(action, av, binding.getSOAPVersion());


        throw new DispatchException(result);


    }

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        //Don't fill the stacktrace for Service specific exceptions.
        if(ce == null) {
            soap11Fault.captureStackTrace(e);
        }
        Message msg = JAXBMessage.create(JAXB_CONTEXT, soap11Fault, soapVersion);
        return new FaultMessage(msg, firstEntry);
    }

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Examples of com.sun.xml.ws.api.message.Message

What is a message?

How does this abstraction work?

Message and XOP

Message lifespan

Related Classes of com.sun.xml.ws.api.message.Message