public void init(SynapseEnvironment synapseEnvironment) {
this.synapseEnv = synapseEnvironment;
if (endpoint != null) {
endpoint.init(synapseEnvironment);
}
if (blocking) {
try {
configCtx =
ConfigurationContextFactory.createConfigurationContextFromFileSystem(
DEFAULT_CLIENT_REPO, DEFAULT_AXIS2_XML);
blockingMsgSender = new BlockingMsgSender();
blockingMsgSender.setConfigurationContext(configCtx);
blockingMsgSender.init();
} catch (AxisFault axisFault) {
String msg = "Error while initializing the Call mediator";
log.error(msg, axisFault);
throw new SynapseException(msg, axisFault);
}
} else {
synapseEnvironment.updateCallMediatorCount(true);
}
}
/**
* Send request in blocking manner
*
* @param synInCtx message context
* @return continue the mediation flow or not
*/
private boolean handleBlockingCall(MessageContext synInCtx) {
SynapseLog synLog = getLog(synInCtx);
if (synLog.isTraceOrDebugEnabled()) {
synLog.traceOrDebug("Start : Call mediator - Blocking Call");
if (synLog.isTraceTraceEnabled()) {
synLog.traceTrace("Message : " + synInCtx.getEnvelope());
}
}
MessageContext resultMsgCtx = null;
try {
if ("true".equals(synInCtx.getProperty(SynapseConstants.OUT_ONLY))) {
blockingMsgSender.send(endpoint, synInCtx);
} else {
resultMsgCtx = blockingMsgSender.send(endpoint, synInCtx);
if ("true".equals(resultMsgCtx.getProperty(SynapseConstants.BLOCKING_SENDER_ERROR))) {
handleFault(
synInCtx, (Exception) resultMsgCtx.getProperty(SynapseConstants.ERROR_EXCEPTION));
}
}
} catch (Exception ex) {
handleFault(synInCtx, ex);
}
if (resultMsgCtx != null) {
if (synLog.isTraceTraceEnabled()) {
synLog.traceTrace("Response payload received : " + resultMsgCtx.getEnvelope());
}
try {
synInCtx.setEnvelope(resultMsgCtx.getEnvelope());
if (synLog.isTraceOrDebugEnabled()) {
synLog.traceOrDebug("End : Call mediator - Blocking Call");
}
return true;
} catch (Exception e) {
handleFault(synInCtx, e);
}
} else {
if (synLog.isTraceOrDebugEnabled()) {
synLog.traceOrDebug("Service returned a null response");
}
}
return true;
}
public boolean dispatch(MessageContext messageContext) {
if (log.isDebugEnabled()) {
log.debug(
"Sending the message to client with message processor ["
+ messageProcessor.getName()
+ "]");
}
// The below code is just for keeping the backward compatibility with the old code.
if (targetEndpoint == null) {
targetEndpoint =
(String) messageContext.getProperty(ForwardingProcessorConstants.TARGET_ENDPOINT);
}
MessageContext outCtx = null;
SOAPEnvelope originalEnvelop = messageContext.getEnvelope();
if (targetEndpoint != null) {
Endpoint ep = messageContext.getEndpoint(targetEndpoint);
try {
// Send message to the client
while (!isSuccessful && !isTerminated) {
try {
// For each retry we need to have a fresh copy of the actual message. otherwise retry
// may not
// work as expected.
messageContext.setEnvelope(MessageHelper.cloneSOAPEnvelope(originalEnvelop));
OMElement firstChild = null; //
org.apache.axis2.context.MessageContext origAxis2Ctx =
((Axis2MessageContext) messageContext).getAxis2MessageContext();
if (JsonUtil.hasAJsonPayload(origAxis2Ctx)) {
firstChild = origAxis2Ctx.getEnvelope().getBody().getFirstElement();
} // Had to do this because MessageHelper#cloneSOAPEnvelope does not clone
// OMSourcedElemImpl correctly.
if (JsonUtil.hasAJsonPayload(firstChild)) { //
OMElement clonedFirstElement =
messageContext.getEnvelope().getBody().getFirstElement();
if (clonedFirstElement != null) {
clonedFirstElement.detach();
messageContext.getEnvelope().getBody().addChild(firstChild);
}
} // Had to do this because MessageHelper#cloneSOAPEnvelope does not clone
// OMSourcedElemImpl correctly.
origAxis2Ctx.setProperty(
HTTPConstants.NON_ERROR_HTTP_STATUS_CODES, getNonRetryStatusCodes());
outCtx = sender.send(ep, messageContext);
isSuccessful = true;
} catch (Exception e) {
// this means send has failed due to some reason so we have to retry it
if (e instanceof SynapseException) {
isSuccessful = isNonRetryErrorCode(e.getCause().getMessage());
}
if (!isSuccessful) {
log.error(
"BlockingMessageSender of message processor ["
+ this.messageProcessor.getName()
+ "] failed to send message to the endpoint");
}
}
if (isSuccessful) {
if (outCtx != null) {
if ("true"
.equals(outCtx.getProperty(ForwardingProcessorConstants.BLOCKING_SENDER_ERROR))) {
// this means send has failed due to some reason so we have to retry it
isSuccessful =
isNonRetryErrorCode(
(String) outCtx.getProperty(SynapseConstants.ERROR_MESSAGE));
if (isSuccessful) {
sendThroughReplySeq(outCtx);
} else {
// This means some error has occurred so must try to send down the fault sequence.
log.error(
"BlockingMessageSender of message processor ["
+ this.messageProcessor.getName()
+ "] failed to send message to the endpoint");
sendThroughFaultSeq(outCtx);
}
} else {
// Send the message down the reply sequence if there is one
sendThroughReplySeq(outCtx);
messageConsumer.ack();
attemptCount = 0;
isSuccessful = true;
if (log.isDebugEnabled()) {
log.debug(
"Successfully sent the message to endpoint ["
+ ep.getName()
+ "]"
+ " with message processor ["
+ messageProcessor.getName()
+ "]");
}
}
} else {
// This Means we have invoked an out only operation
// remove the message and reset the count
messageConsumer.ack();
attemptCount = 0;
isSuccessful = true;
if (log.isDebugEnabled()) {
log.debug(
"Successfully sent the message to endpoint ["
+ ep.getName()
+ "]"
+ " with message processor ["
+ messageProcessor.getName()
+ "]");
}
}
}
if (!isSuccessful) {
// Then we have to retry sending the message to the client.
prepareToRetry();
} else {
if (messageProcessor.isPaused()) {
this.messageProcessor.resumeService();
log.info(
"Resuming the service of message processor [" + messageProcessor.getName() + "]");
}
}
}
} catch (Exception e) {
log.error(
"Message processor ["
+ messageProcessor.getName()
+ "] failed to send the message to"
+ " client",
e);
}
} else {
// No Target Endpoint defined for the Message
// So we do not have a place to deliver.
// Here we log a warning and remove the message
// todo: we can improve this by implementing a target inferring mechanism
log.warn(
"Property "
+ ForwardingProcessorConstants.TARGET_ENDPOINT
+ " not found in the message context , Hence removing the message ");
messageConsumer.ack();
}
return true;
}
