/**
* This method is called by {@link CxfProducer#process(Exchange)}. It propagates information from
* CXF Exchange to Camel Exchange. The CXF Exchange contains a request from a CXF server.
*/
public void populateExchangeFromCxfResponse(
Exchange camelExchange,
org.apache.cxf.message.Exchange cxfExchange,
Map<String, Object> responseContext) {
Message cxfMessage = cxfExchange.getInMessage();
// Need to check if the inMessage is set
if (cxfMessage == null) {
return;
}
LOG.trace("Populate exchange from CXF response message: {}", cxfMessage);
// copy the InMessage header to OutMessage header
camelExchange.getOut().getHeaders().putAll(camelExchange.getIn().getHeaders());
// propagate body
camelExchange
.getOut()
.setBody(
DefaultCxfBinding.getContentFromCxf(
cxfMessage,
camelExchange.getProperty(CxfConstants.DATA_FORMAT_PROPERTY, DataFormat.class)));
// propagate response context
if (responseContext != null && responseContext.size() > 0) {
if (!headerFilterStrategy.applyFilterToExternalHeaders(
Client.RESPONSE_CONTEXT, responseContext, camelExchange)) {
camelExchange.getOut().setHeader(Client.RESPONSE_CONTEXT, responseContext);
LOG.trace("Set header = {} value = {}", Client.RESPONSE_CONTEXT, responseContext);
}
}
// propagate protocol headers
propagateHeadersFromCxfToCamel(cxfMessage, camelExchange.getOut(), camelExchange);
DataFormat dataFormat =
camelExchange.getProperty(CxfConstants.DATA_FORMAT_PROPERTY, DataFormat.class);
boolean isXop = Boolean.valueOf(camelExchange.getProperty(Message.MTOM_ENABLED, String.class));
// propagate attachments
if (cxfMessage.getAttachments() != null) {
// propagate attachments
for (Attachment attachment : cxfMessage.getAttachments()) {
camelExchange.getOut().addAttachment(attachment.getId(), attachment.getDataHandler());
}
}
}
/**
* This method is called by {@link CxfConsumer} to populate a CXF response exchange from a Camel
* exchange.
*/
public void populateCxfResponseFromExchange(
Exchange camelExchange, org.apache.cxf.message.Exchange cxfExchange) {
if (cxfExchange.isOneWay()) {
return;
}
// create response context
Map<String, Object> responseContext = new HashMap<String, Object>();
org.apache.camel.Message response;
if (camelExchange.getPattern().isOutCapable()) {
if (camelExchange.hasOut()) {
response = camelExchange.getOut();
LOG.trace("Get the response from the out message");
} else { // Take the in message as a fall back
response = camelExchange.getIn();
LOG.trace("Get the response from the in message as a fallback");
}
} else {
response = camelExchange.getIn();
LOG.trace("Get the response from the in message");
}
// propagate response context
Map<String, Object> camelHeaders = response.getHeaders();
extractInvocationContextFromCamel(
camelExchange, camelHeaders, responseContext, Client.RESPONSE_CONTEXT);
propagateHeadersFromCamelToCxf(camelExchange, camelHeaders, cxfExchange, responseContext);
// create out message
Endpoint ep = cxfExchange.get(Endpoint.class);
Message outMessage = ep.getBinding().createMessage();
cxfExchange.setOutMessage(outMessage);
DataFormat dataFormat =
camelExchange.getProperty(CxfConstants.DATA_FORMAT_PROPERTY, DataFormat.class);
// make sure the "requestor role" property does not get propagated as we do switch role
responseContext.remove(Message.REQUESTOR_ROLE);
outMessage.putAll(responseContext);
// Do we still need to put the response context back like this
outMessage.put(Client.RESPONSE_CONTEXT, responseContext);
LOG.trace("Set out response context = {}", responseContext);
// set body
Object outBody = DefaultCxfBinding.getBodyFromCamel(response, dataFormat);
if (outBody != null) {
if (dataFormat == DataFormat.PAYLOAD) {
CxfPayload<?> payload = (CxfPayload<?>) outBody;
outMessage.setContent(
List.class, getResponsePayloadList(cxfExchange, payload.getBodySources()));
outMessage.put(Header.HEADER_LIST, payload.getHeaders());
} else {
if (responseContext.get(Header.HEADER_LIST) != null) {
outMessage.put(Header.HEADER_LIST, responseContext.get(Header.HEADER_LIST));
}
MessageContentsList resList = null;
// Create a new MessageContentsList to avoid OOM from the HolderOutInterceptor
if (outBody instanceof List) {
resList = new MessageContentsList((List<?>) outBody);
} else if (outBody.getClass().isArray()) {
resList = new MessageContentsList((Object[]) outBody);
} else {
resList = new MessageContentsList(outBody);
}
if (resList != null) {
outMessage.setContent(List.class, resList);
LOG.trace("Set Out CXF message content = {}", resList);
}
}
} else if (!cxfExchange.isOneWay()
&& cxfExchange.getInMessage() != null
&& MessageUtils.isTrue(
cxfExchange
.getInMessage()
.getContextualProperty("jaxws.provider.interpretNullAsOneway"))) {
// treat this non-oneway call as oneway when the provider returns a null
changeToOneway(cxfExchange);
return;
}
// propagate attachments
Set<Attachment> attachments = null;
boolean isXop = Boolean.valueOf(camelExchange.getProperty(Message.MTOM_ENABLED, String.class));
for (Map.Entry<String, DataHandler> entry :
camelExchange.getOut().getAttachments().entrySet()) {
if (attachments == null) {
attachments = new HashSet<Attachment>();
}
AttachmentImpl attachment = new AttachmentImpl(entry.getKey(), entry.getValue());
attachment.setXOP(isXop);
attachments.add(attachment);
}
if (attachments != null) {
outMessage.setAttachments(attachments);
}
BindingOperationInfo boi = cxfExchange.get(BindingOperationInfo.class);
if (boi != null) {
cxfExchange.put(BindingMessageInfo.class, boi.getOutput());
}
}
/** This method is called by {@link CxfConsumer}. */
public void populateExchangeFromCxfRequest(
org.apache.cxf.message.Exchange cxfExchange, Exchange camelExchange) {
Method method = null;
QName operationName = null;
ExchangePattern mep = ExchangePattern.InOut;
// extract binding operation information
BindingOperationInfo boi =
camelExchange.getProperty(BindingOperationInfo.class.getName(), BindingOperationInfo.class);
if (boi != null) {
Service service = cxfExchange.get(Service.class);
if (service != null) {
MethodDispatcher md = (MethodDispatcher) service.get(MethodDispatcher.class.getName());
if (md != null) {
method = md.getMethod(boi);
}
}
if (boi.getOperationInfo().isOneWay()) {
mep = ExchangePattern.InOnly;
}
operationName = boi.getName();
}
// set operation name in header
if (operationName != null) {
camelExchange
.getIn()
.setHeader(CxfConstants.OPERATION_NAMESPACE, boi.getName().getNamespaceURI());
camelExchange.getIn().setHeader(CxfConstants.OPERATION_NAME, boi.getName().getLocalPart());
if (LOG.isTraceEnabled()) {
LOG.trace(
"Set IN header: {}={}",
CxfConstants.OPERATION_NAMESPACE,
boi.getName().getNamespaceURI());
LOG.trace(
"Set IN header: {}={}", CxfConstants.OPERATION_NAME, boi.getName().getLocalPart());
}
} else if (method != null) {
camelExchange.getIn().setHeader(CxfConstants.OPERATION_NAME, method.getName());
if (LOG.isTraceEnabled()) {
LOG.trace("Set IN header: {}={}", CxfConstants.OPERATION_NAME, method.getName());
}
}
// set message exchange pattern
camelExchange.setPattern(mep);
LOG.trace("Set exchange MEP: {}", mep);
// propagate headers
Message cxfMessage = cxfExchange.getInMessage();
propagateHeadersFromCxfToCamel(cxfMessage, camelExchange.getIn(), camelExchange);
// propagate the security subject from CXF security context
SecurityContext securityContext = cxfMessage.get(SecurityContext.class);
if (securityContext instanceof LoginSecurityContext
&& ((LoginSecurityContext) securityContext).getSubject() != null) {
camelExchange
.getIn()
.getHeaders()
.put(Exchange.AUTHENTICATION, ((LoginSecurityContext) securityContext).getSubject());
} else if (securityContext != null && securityContext.getUserPrincipal() != null) {
Subject subject = new Subject();
subject.getPrincipals().add(securityContext.getUserPrincipal());
camelExchange.getIn().getHeaders().put(Exchange.AUTHENTICATION, subject);
}
// Propagating properties from CXF Exchange to Camel Exchange has an
// side effect of copying reply side stuff when the producer is retried.
// So, we do not want to do this.
// camelExchange.getProperties().putAll(cxfExchange);
// propagate request context
Object value = cxfMessage.get(Client.REQUEST_CONTEXT);
if (value != null
&& !headerFilterStrategy.applyFilterToExternalHeaders(
Client.REQUEST_CONTEXT, value, camelExchange)) {
camelExchange.getIn().setHeader(Client.REQUEST_CONTEXT, value);
LOG.trace("Populate context from CXF message {} value={}", Client.REQUEST_CONTEXT, value);
}
// setup the charset from content-type header
setCharsetWithContentType(camelExchange);
// set body
Object body =
DefaultCxfBinding.getContentFromCxf(
cxfMessage,
camelExchange.getProperty(CxfConstants.DATA_FORMAT_PROPERTY, DataFormat.class));
if (body != null) {
camelExchange.getIn().setBody(body);
}
// propagate attachments if the data format is not POJO
if (cxfMessage.getAttachments() != null
&& !camelExchange
.getProperty(CxfConstants.DATA_FORMAT_PROPERTY, DataFormat.class)
.equals(DataFormat.POJO)) {
for (Attachment attachment : cxfMessage.getAttachments()) {
camelExchange.getIn().addAttachment(attachment.getId(), attachment.getDataHandler());
}
}
}
