Examples of org.apache.axis2.context.MessageContext

org.apache.axis2.context.MessageContext

Axis2 states are held in two information models, called description hierarchy and context hierarchy. Description hierarchy hold deployment configuration and it's values does not change unless deployment configuration change occurs where Context hierarchy hold run time information. Both hierarchies consists four levels, Global, Service Group, Operation and Message. Please look at "Information Model" section of "Axis2 Architecture Guide" for more information.

MessageContext hold run time information about one Message invocation. It hold reference to OperationContext, ServiceGroupContext, and Configuration Context tied with current message. For an example if you need accesses to other messages of the current invocation, you can get to them via OperationContext. Addition to class attributes define in Message context, message context stores the information as name value pairs. Those name value pairs,and class attributes tweak the execution behavior of message context and some of them can be find in org.apache.axis2.Constants class. (TODO we should provide list of supported options). You may set them at any level of context hierarchy and they will affect invocations related to their child elements.

      log.debug("Enter: AcknowledgementManager::sendAckNow");


    // Write the acks into the envelope
    ackRMMsgContext.addSOAPEnvelope();
    
    MessageContext ackMsgContext = ackRMMsgContext.getMessageContext();
    
    // setting CONTEXT_WRITTEN since acksto is anonymous
    if (ackRMMsgContext.getMessageContext().getOperationContext() == null) {
      // operation context will be null when doing in a GLOBAL
      // handler.
      AxisOperation op = ackMsgContext.getAxisOperation();


      OperationContext opCtx = OperationContextFactory.createOperationContext(op.getAxisSpecificMEPConstant(), op, ackRMMsgContext.getMessageContext().getServiceContext());
      ackRMMsgContext.getMessageContext().setOperationContext(opCtx);
    }

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  {
    SOAPFactory factory = new SOAP11Factory();
    SOAPEnvelope dummyEnvelope = factory.getDefaultEnvelope();
    
    // Create a "new" application message
    MessageContext messageContext = new MessageContext();
    messageContext.setConfigurationContext(serverConfigContext);
    messageContext.setAxisService(serverConfigContext.getAxisConfiguration().getService("RMSampleService"));    
    messageContext.setEnvelope(dummyEnvelope);
    
    RMMsgContext applicationRMMsg = new RMMsgContext(messageContext);
    
    // Generate the Sequence field.
    // -------------------------------
    String rmNamespaceValue = SpecSpecificConstants.getRMNamespaceValue(Sandesha2Constants.SPEC_VERSIONS.v1_1);


    Sequence sequence = new Sequence(rmNamespaceValue);
    MessageNumber msgNumber = new MessageNumber(rmNamespaceValue);
    msgNumber.setMessageNumber(1);
    sequence.setMessageNumber(msgNumber);
    Identifier id1 = new Identifier(rmNamespaceValue);
    id1.setIndentifer(uuid);
    sequence.setIdentifier(id1);
    applicationRMMsg.setMessagePart(Sandesha2Constants.MessageParts.SEQUENCE, sequence);
    applicationRMMsg.addSOAPEnvelope();


    // --------------------------------------------
    // Finished generating Sequence part
    
    // Create an RMSBean so the create sequence message can be created
    messageContext.setWSAAction(pingAction);


    // Set the AxisOperation to be InOut
    AxisOperation operation = messageContext.getAxisService().getOperation(Sandesha2Constants.RM_IN_OUT_OPERATION);
    operation.setMessageReceiver(new RMMessageReceiver());
    messageContext.setAxisOperation(operation);


    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    
    // Serialize the application message
    applicationRMMsg.getMessageContext().getEnvelope().serialize(outputStream);

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  {
    SOAPFactory factory = new SOAP11Factory();
    SOAPEnvelope dummyEnvelope = factory.getDefaultEnvelope();
    
    // Create a "new" application message
    MessageContext messageContext = new MessageContext();
    messageContext.setConfigurationContext(serverConfigContext);
    messageContext.setAxisService(serverConfigContext.getAxisConfiguration().getService("RMSampleService"));    
    messageContext.setEnvelope(dummyEnvelope);
    
    RMMsgContext applicationRMMsg = new RMMsgContext(messageContext);
    
    // Generate the Sequence field.
    // -------------------------------
    String rmNamespaceValue = SpecSpecificConstants.getRMNamespaceValue(Sandesha2Constants.SPEC_VERSIONS.v1_1);


    Sequence sequence = new Sequence(rmNamespaceValue);
    MessageNumber msgNumber = new MessageNumber(rmNamespaceValue);
    msgNumber.setMessageNumber(Long.MAX_VALUE);
    sequence.setMessageNumber(msgNumber);
    Identifier id1 = new Identifier(rmNamespaceValue);
    id1.setIndentifer(uuid);
    sequence.setIdentifier(id1);
    applicationRMMsg.setMessagePart(Sandesha2Constants.MessageParts.SEQUENCE, sequence);
    applicationRMMsg.addSOAPEnvelope();


    // --------------------------------------------
    // Finished generating Sequence part
    
    // Create an RMSBean so the create sequence message can be created
    messageContext.setWSAAction(pingAction);


    // Set the AxisOperation to be InOut
    AxisOperation operation = messageContext.getAxisService().getOperation(Sandesha2Constants.RM_IN_OUT_OPERATION);
    operation.setMessageReceiver(new RMMessageReceiver());
    messageContext.setAxisOperation(operation);


    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    
    // Serialize the application message
    applicationRMMsg.getMessageContext().getEnvelope().serialize(outputStream);

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  {
    SOAPFactory factory = new SOAP11Factory();
    SOAPEnvelope dummyEnvelope = factory.getDefaultEnvelope();
    
    // Create a "new" application message
    MessageContext messageContext = new MessageContext();
    messageContext.setConfigurationContext(serverConfigContext);
    messageContext.setAxisService(serverConfigContext.getAxisConfiguration().getService("RMSampleService"));    
    messageContext.setEnvelope(dummyEnvelope);
    
    RMMsgContext applicationRMMsg = new RMMsgContext(messageContext);
    
    // Generate the SequenceAck field.
    // -------------------------------
    String rmNamespaceValue = SpecSpecificConstants.getRMNamespaceValue(Sandesha2Constants.SPEC_VERSIONS.v1_1);


    SequenceAcknowledgement sequenceAck = new SequenceAcknowledgement(rmNamespaceValue);
    // Set the sequenceId
    Identifier id = new Identifier(rmNamespaceValue);
    id.setIndentifer(sequenceId);
    sequenceAck.setIdentifier(id);
    
    // Set the Invalid range!
    AcknowledgementRange ackRange = new AcknowledgementRange(rmNamespaceValue);
    ackRange.setLowerValue(1);
    ackRange.setUpperValue(3);
    sequenceAck.addAcknowledgementRanges(ackRange);


    // Set the SequenceAcknowledgement part in the message
    applicationRMMsg.setMessagePart(Sandesha2Constants.MessageParts.SEQ_ACKNOWLEDGEMENT, sequenceAck);
    applicationRMMsg.addSOAPEnvelope();


    // --------------------------------------------
    // Finished generating SequenceAck part
    
    // Create an RMSBean so the create sequence message can be created
    messageContext.setWSAAction("http://docs.oasis-open.org/ws-rx/wsrm/200702/SequenceAcknowledgement");


    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    
    // Serialize the application message
    applicationRMMsg.getMessageContext().getEnvelope().serialize(outputStream);

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        if (LOG.isDebugEnabled()) {
            LOG.debug("Target URI: " + request.getURI());
        }


        MessageContext msgContext = new MessageContext();
        msgContext.setIncomingTransportName(Constants.TRANSPORT_HTTP);
        msgContext.setProperty(MessageContext.REMOTE_ADDR, request.getRemoteAddr());


        try {
            TransportOutDescription transportOut = this.configurationContext.getAxisConfiguration()
                    .getTransportOut(Constants.TRANSPORT_HTTP);
            TransportInDescription transportIn = this.configurationContext.getAxisConfiguration()
                    .getTransportIn(Constants.TRANSPORT_HTTP);


            msgContext.setConfigurationContext(this.configurationContext);


            //TODO: Port this segment for session support.
//            String sessionKey = (String) this.httpcontext.getAttribute(HTTPConstants.COOKIE_STRING);
//            if (this.configurationContext.getAxisConfiguration().isManageTransportSession()) {
//                SessionContext sessionContext = this.sessionManager.getSessionContext(sessionKey);
//                msgContext.setSessionContext(sessionContext);
//            }
            msgContext.setTransportIn(transportIn);
            msgContext.setTransportOut(transportOut);
            msgContext.setServiceGroupContextId(UUIDGenerator.getUUID());
            msgContext.setServerSide(true);
            msgContext.setAxisService(this.service);
            
            doService2(request, response, msgContext);
        } catch (Throwable e) {
            String msg = "Exception occurred while trying to invoke service method doService()";
            LOG.error(msg, e);
            try {
                AxisEngine engine = new AxisEngine(this.configurationContext);


                msgContext.setProperty(MessageContext.TRANSPORT_OUT, response.getOutputStream());
                msgContext.setProperty(Constants.OUT_TRANSPORT_INFO, new Axis2TransportInfo(response));


                MessageContext faultContext = MessageContextBuilder.createFaultMessageContext(msgContext, e);
                // If the fault is not going along the back channel we should be 202ing
                if (AddressingHelper.isFaultRedirected(msgContext)) {
                    response.setStatusCode(HttpURLConnection.HTTP_ACCEPTED);
                } else {
                    response.setStatusCode(HttpURLConnection.HTTP_INTERNAL_ERROR);

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        if (args != null && args.length > 0) {
            OMElement requestOM = dataBinding.toOMElement(args);
            env.getBody().addChild(requestOM);
        }


        MessageContext requestMC = new MessageContext();
        requestMC.setEnvelope(env);


        operationClient.addMessageContext(requestMC);


        ClassLoader tccl = Thread.currentThread().getContextClassLoader();
        ClassLoader scl = this.getClass().getClassLoader();
        try {
            if (tccl != scl) {
                Thread.currentThread().setContextClassLoader(scl);
            }


            operationClient.execute(true);


        } finally {
            if (tccl != scl) {
                Thread.currentThread().setContextClassLoader(tccl);
            }
        }


        MessageContext responseMC = operationClient.getMessageContext(WSDLConstants.MESSAGE_LABEL_IN_VALUE);
        OMElement responseOM = responseMC.getEnvelope().getBody().getFirstElement();


        Object[] os = null;
        if (responseOM != null) {
            os = dataBinding.fromOMElement(responseOM);
        }

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        if (log.isDebugEnabled()) {
            log.debug("Target URI: " + request.getURI());
        }


        MessageContext msgContext = new MessageContext();
        msgContext.setIncomingTransportName(Constants.TRANSPORT_HTTP);
        msgContext.setProperty(MessageContext.REMOTE_ADDR, request.getRemoteAddr());
        


        try {
            TransportOutDescription transportOut = this.configurationContext.getAxisConfiguration()
                    .getTransportOut(Constants.TRANSPORT_HTTP);
            TransportInDescription transportIn = this.configurationContext.getAxisConfiguration()
                    .getTransportIn(Constants.TRANSPORT_HTTP);
            
            


            msgContext.setConfigurationContext(this.configurationContext);


            //TODO: Port this segment for session support.
//            String sessionKey = (String) this.httpcontext.getAttribute(HTTPConstants.COOKIE_STRING);
//            if (this.configurationContext.getAxisConfiguration().isManageTransportSession()) {
//                SessionContext sessionContext = this.sessionManager.getSessionContext(sessionKey);
//                msgContext.setSessionContext(sessionContext);
//            }
            msgContext.setTransportIn(transportIn);
            msgContext.setTransportOut(transportOut);
            msgContext.setServiceGroupContextId(UUIDGenerator.getUUID());
            msgContext.setServerSide(true);
            


//            // set the transport Headers
//            HashMap headerMap = new HashMap();
//            for (Iterator it = request.headerIterator(); it.hasNext();) {
//                Header header = (Header) it.next();
//                headerMap.put(header.getName(), header.getValue());
//            }
//            msgContext.setProperty(MessageContext.TRANSPORT_HEADERS, headerMap);
//
//            this.httpcontext.setAttribute(AxisParams.MESSAGE_CONTEXT, msgContext);


            doService2(request, response, msgContext);
        } catch (Throwable e) {
            String msg = "Exception occurred while trying to invoke service method doService()";
            log.error(msg, e);
            try {
                AxisEngine engine = new AxisEngine(this.configurationContext);


                msgContext.setProperty(MessageContext.TRANSPORT_OUT, response.getOutputStream());
                msgContext.setProperty(Constants.OUT_TRANSPORT_INFO, new Axis2TransportInfo(response));


                MessageContext faultContext = MessageContextBuilder.createFaultMessageContext(msgContext, e);
                // If the fault is not going along the back channel we should be 202ing
                if (AddressingHelper.isFaultRedirected(msgContext)) {
                    response.setStatusCode(202);
                } else {
                    response.setStatusCode(500);

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            return;
        } else if (log.isDebugEnabled()) {
            log.debug("Processing message as Content-Type : " + contentType);
        }


        MessageContext msgContext = entry.createMessageContext();


        // Extract the charset encoding from the configured content type and
        // set the CHARACTER_SET_ENCODING property as e.g. SOAPBuilder relies on this.
        String charSetEnc;
        try {
            charSetEnc = new ContentType(contentType).getParameter("charset");
        } catch (ParseException ex) {
            // ignore
            charSetEnc = null;
        }
        msgContext.setProperty(Constants.Configuration.CHARACTER_SET_ENCODING, charSetEnc);
        
        MailOutTransportInfo outInfo = buildOutTransportInfo(message, entry);


        // save out transport information
        msgContext.setProperty(Constants.OUT_TRANSPORT_INFO, outInfo);
        // this property only useful for supporting smtp with Sandesha2.
        msgContext.setProperty(RequestResponseTransport.TRANSPORT_CONTROL, new MailRequestResponseTransport());


        // set message context From
        if (outInfo.getFromAddress() != null) {
            msgContext.setFrom(
                new EndpointReference(MailConstants.TRANSPORT_PREFIX +
                    outInfo.getFromAddress().getAddress()));
        }


        // save original mail message id message context MessageID
        msgContext.setMessageID(outInfo.getRequestMessageID());


        // set the message payload to the message context
        InputStream in = messagePart.getInputStream();
        try {
            try {
                msgContext.setEnvelope(TransportUtils.createSOAPMessage(msgContext, in, contentType));
            } catch (XMLStreamException ex) {
                handleException("Error parsing message", ex);
            }


            String soapAction = (String) trpHeaders.get(BaseConstants.SOAPACTION);

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  private void processResponseMessage(RMMsgContext rmMsg, RMSBean rmsBean, String internalSequenceId, String outSequenceID, long messageNumber,
      String storageKey, StorageManager storageManager) throws AxisFault {
    if (log.isDebugEnabled())
      log.debug("Enter: ApplicationMsgProcessor::processResponseMessage, " + internalSequenceId + ", " + outSequenceID);


    MessageContext msg = rmMsg.getMessageContext();


    SenderBeanMgr retransmitterMgr = storageManager.getSenderBeanMgr();


    // setting last message
    boolean lastMessage = false;
    if (msg.isServerSide()) {
      Boolean inboundLast = (Boolean) msg.getProperty(Sandesha2Constants.MessageContextProperties.INBOUND_LAST_MESSAGE);
      if (inboundLast != null && inboundLast.booleanValue()) {
        lastMessage = true;
      }


    } else {
      // client side
      Object obj = msg.getProperty(SandeshaClientConstants.LAST_MESSAGE);
      if (obj != null && "true".equals(obj)) {
        lastMessage = true;
      }
    }


    // Now that we have decided which sequence to use for the message, make sure that we secure
    // it with the correct token.
    RMMsgCreator.secureOutboundMessage(rmsBean, msg);


    // Retransmitter bean entry for the application message
    SenderBean appMsgEntry = new SenderBean();


    appMsgEntry.setMessageContextRefKey(storageKey);


    appMsgEntry.setTimeToSend(System.currentTimeMillis());
    appMsgEntry.setMessageID(rmMsg.getMessageId());
    appMsgEntry.setMessageNumber(messageNumber);
    appMsgEntry.setLastMessage(lastMessage);
    
    SOAPEnvelope envelope = rmMsg.getSOAPEnvelope();
    if (lastMessage && envelope!=null && envelope.getBody().getFirstOMChild()==null)
      appMsgEntry.setMessageType(Sandesha2Constants.MessageTypes.LAST_MESSAGE);
    else
      appMsgEntry.setMessageType(Sandesha2Constants.MessageTypes.APPLICATION);
    
    appMsgEntry.setInboundSequenceId(inboundSequence);
    appMsgEntry.setInboundMessageNumber(inboundMessageNumber);
    if (outSequenceID == null) {
      appMsgEntry.setSend(false);
    } else {
      appMsgEntry.setSend(true);
      // Send will be set to true at the sender.
      msg.setProperty(Sandesha2Constants.SET_SEND_TO_TRUE, Sandesha2Constants.VALUE_TRUE);
      appMsgEntry.setSequenceID(outSequenceID);
    }
    
    EndpointReference to = rmMsg.getTo();
    if (to!=null)
      appMsgEntry.setToAddress(to.getAddress());
    
    appMsgEntry.setInternalSequenceID(internalSequenceId);


    msg.setProperty(Sandesha2Constants.QUALIFIED_FOR_SENDING, Sandesha2Constants.VALUE_FALSE);


    // increasing the current handler index, so that the message will not be
    // going throught the SandeshaOutHandler again.
    msg.setCurrentHandlerIndex(msg.getCurrentHandlerIndex() + 1);


    SandeshaUtil.executeAndStore(rmMsg, storageKey);


    retransmitterMgr.insert(appMsgEntry);

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  public static MessageContext createNewRelatedMessageContext(RMMsgContext referenceRMMessage, AxisOperation operation)
      throws SandeshaException {
    try {
      MessageContext referenceMessage = referenceRMMessage.getMessageContext();
      ConfigurationContext configContext = referenceMessage.getConfigurationContext();
      AxisConfiguration axisConfiguration = configContext.getAxisConfiguration();


      MessageContext newMessageContext = new MessageContext();
      newMessageContext.setConfigurationContext(configContext);
      
      Options newOptions = new Options ();
      Options oldOptions = referenceMessage.getOptions();
      
      newMessageContext.setOptions(newOptions);
      
      if (referenceMessage.getAxisServiceGroup() != null) {
        newMessageContext.setAxisServiceGroup(referenceMessage.getAxisServiceGroup());
        
        if (referenceMessage.getServiceGroupContext()!=null) {
          newMessageContext.setServiceGroupContext(referenceMessage.getServiceGroupContext());
          newMessageContext.setServiceGroupContextId(referenceMessage.getServiceGroupContextId());
        } else {
          ServiceGroupContext serviceGroupContext = new ServiceGroupContext (
              configContext,referenceMessage.getAxisServiceGroup());
          newMessageContext.setServiceGroupContext(serviceGroupContext);
        }
      } else {
        AxisServiceGroup axisServiceGroup = new AxisServiceGroup(axisConfiguration);
        ServiceGroupContext serviceGroupContext = new ServiceGroupContext(configContext, axisServiceGroup);


        newMessageContext.setAxisServiceGroup(axisServiceGroup);
        newMessageContext.setServiceGroupContext(serviceGroupContext);
      }


      if (referenceMessage.getAxisService() != null) {
        newMessageContext.setAxisService(referenceMessage.getAxisService());
        
        if (referenceMessage.getServiceContext()!=null) {
          newMessageContext.setServiceContext(referenceMessage.getServiceContext());
          newMessageContext.setServiceContextID(referenceMessage.getServiceContextID());
        } else {
          ServiceContext serviceContext = new ServiceContext (referenceMessage.getAxisService(),newMessageContext.getServiceGroupContext());
          newMessageContext.setServiceContext(serviceContext);
        }
      }


      newMessageContext.setAxisOperation(operation);


      //The message created will basically be used as a outMessage, so setting the AxisMessage accordingly
      newMessageContext.setAxisMessage(operation.getMessage(WSDLConstants.MESSAGE_LABEL_OUT_VALUE));
      
      OperationContext operationContext = new OperationContext(operation, newMessageContext.getServiceContext());
      newMessageContext.setOperationContext(operationContext);
      operationContext.addMessageContext(newMessageContext);


      // adding a blank envelope
      SOAPFactory factory = SOAPAbstractFactory.getSOAPFactory(SandeshaUtil.getSOAPVersion(referenceMessage
          .getEnvelope()));
      newMessageContext.setEnvelope(factory.getDefaultEnvelope());


      newMessageContext.setTransportIn(referenceMessage.getTransportIn());
      newMessageContext.setTransportOut(referenceMessage.getTransportOut());


      // copying transport info.
      newMessageContext.setProperty(MessageContext.TRANSPORT_OUT, referenceMessage
          .getProperty(MessageContext.TRANSPORT_OUT));


      newMessageContext.setProperty(Constants.OUT_TRANSPORT_INFO, referenceMessage
          .getProperty(Constants.OUT_TRANSPORT_INFO));
      newMessageContext.setProperty(MessageContext.TRANSPORT_HEADERS, referenceMessage
          .getProperty(MessageContext.TRANSPORT_HEADERS));
      newMessageContext.setProperty(MessageContext.TRANSPORT_IN, referenceMessage
          .getProperty(MessageContext.TRANSPORT_IN));
      newMessageContext.setProperty(MessageContext.TRANSPORT_OUT, referenceMessage
          .getProperty(MessageContext.TRANSPORT_OUT));
      
      newMessageContext.setProperty(AddressingConstants.WS_ADDRESSING_VERSION, 
          referenceMessage.getProperty(AddressingConstants.WS_ADDRESSING_VERSION));
      
      copyConfiguredProperties (referenceMessage,newMessageContext);


      //copying the serverSide property
      newMessageContext.setServerSide(referenceMessage.isServerSide());
      
      //this had to be set here to avoid a double invocation.
      if (oldOptions!=null)
        newOptions.setUseSeparateListener(oldOptions.isUseSeparateListener());

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