Examples with MessageContext org.apache.synapse.MessageContext used on opensource projects

Example 11 with MessageContext

use of org.apache.synapse.MessageContext in project wso2-synapse by wso2.

the class MediatorProperty method evaluate.

/**
 * @param synCtx
 */
public void evaluate(MessageContext synCtx) {
    String result;
    if (value != null) {
        result = value;
    } else if (expression != null) {
        result = expression.stringValueOf(synCtx);
    } else {
        throw new SynapseException("A value or expression must be specified");
    }
    if (scope == null || XMLConfigConstants.SCOPE_DEFAULT.equals(scope)) {
        synCtx.setProperty(name, result);
    } else if (XMLConfigConstants.SCOPE_AXIS2.equals(scope)) {
        // Setting property into the  Axis2 Message Context
        Axis2MessageContext axis2smc = (Axis2MessageContext) synCtx;
        org.apache.axis2.context.MessageContext axis2MessageCtx = axis2smc.getAxis2MessageContext();
        axis2MessageCtx.setProperty(name, result);
        MediatorPropertyUtils.handleSpecialProperties(name, result, axis2MessageCtx);
    } else if (XMLConfigConstants.SCOPE_CLIENT.equals(scope)) {
        // Setting property into the  Axis2 Message Context client options
        Axis2MessageContext axis2smc = (Axis2MessageContext) synCtx;
        org.apache.axis2.context.MessageContext axis2MessageCtx = axis2smc.getAxis2MessageContext();
        axis2MessageCtx.getOptions().setProperty(name, result);
    } else if (XMLConfigConstants.SCOPE_TRANSPORT.equals(scope)) {
        // Setting Transport Headers
        Axis2MessageContext axis2smc = (Axis2MessageContext) synCtx;
        org.apache.axis2.context.MessageContext axis2MessageCtx = axis2smc.getAxis2MessageContext();
        Object headers = axis2MessageCtx.getProperty(org.apache.axis2.context.MessageContext.TRANSPORT_HEADERS);
        if (headers != null && headers instanceof Map) {
            Map headersMap = (Map) headers;
            headersMap.put(name, result);
        }
        if (headers == null) {
            Map headersMap = new HashMap();
            headersMap.put(name, result);
            axis2MessageCtx.setProperty(org.apache.axis2.context.MessageContext.TRANSPORT_HEADERS, headersMap);
        }
    }
}

Example 12 with MessageContext

use of org.apache.synapse.MessageContext in project wso2-synapse by wso2.

the class MessageHelper method cloneMessageContext.

/**
 * This method will simulate cloning the message context and creating an exact copy of the
 * passed message. One should use this method with care; that is because, inside the new MC,
 * most of the attributes of the MC like opCtx and so on are still kept as references inside
 * the axis2 MessageContext for performance improvements. (Note: U dont have to worrie
 * about the SOAPEnvelope, it is a cloned copy and not a reference from any other MC)
 * @param synCtx - this will be cloned
 * @param cloneSoapEnvelope whether to clone the soap envelope
 * @return cloned Synapse MessageContext
 * @throws AxisFault if there is a failure in creating the new Synapse MC or in a failure in
 *          clonning the underlying axis2 MessageContext
 *
 * @see MessageHelper#cloneAxis2MessageContext
 */
public static MessageContext cloneMessageContext(MessageContext synCtx, boolean cloneSoapEnvelope) throws AxisFault {
    // creates the new MessageContext and clone the internal axis2 MessageContext
    // inside the synapse message context and place that in the new one
    MessageContext newCtx = synCtx.getEnvironment().createMessageContext();
    Axis2MessageContext axis2MC = (Axis2MessageContext) newCtx;
    axis2MC.setAxis2MessageContext(cloneAxis2MessageContext(((Axis2MessageContext) synCtx).getAxis2MessageContext(), cloneSoapEnvelope));
    newCtx.setConfiguration(synCtx.getConfiguration());
    newCtx.setEnvironment(synCtx.getEnvironment());
    newCtx.setContextEntries(synCtx.getContextEntries());
    // set the parent correlation details to the cloned MC -
    // for the use of aggregation like tasks
    newCtx.setProperty(EIPConstants.AGGREGATE_CORRELATION, synCtx.getMessageID());
    // copying the core parameters of the synapse MC
    newCtx.setTo(synCtx.getTo());
    newCtx.setReplyTo(synCtx.getReplyTo());
    newCtx.setSoapAction(synCtx.getSoapAction());
    newCtx.setWSAAction(synCtx.getWSAAction());
    newCtx.setResponse(synCtx.isResponse());
    // copy all the synapse level properties to the newCtx
    for (Object o : synCtx.getPropertyKeySet()) {
        // If there are non String keyed properties neglect them rather than trow exception
        if (o instanceof String) {
            String strkey = (String) o;
            Object obj = synCtx.getProperty(strkey);
            if (obj instanceof String) {
            // No need to do anything since Strings are immutable
            } else if (obj instanceof ArrayList) {
                if (log.isDebugEnabled()) {
                    log.debug("Deep clone Started for  ArrayList property: " + strkey + ".");
                }
                // Call this method to deep clone ArrayList
                obj = cloneArrayList((ArrayList) obj);
                if (log.isDebugEnabled()) {
                    log.debug("Deep clone Ended for  ArrayList property: " + strkey + ".");
                }
            } else if (obj instanceof Stack && strkey.equals(SynapseConstants.SYNAPSE__FUNCTION__STACK)) {
                if (log.isDebugEnabled()) {
                    log.debug("Deep clone for Template function stack");
                }
                obj = getClonedTemplateStack((Stack<TemplateContext>) obj);
            } else if (obj instanceof OMElement) {
                if (log.isDebugEnabled()) {
                    log.debug("Deep clone for OMElement");
                }
                obj = (OMElement) ((OMElement) obj).cloneOMElement();
            } else if (obj instanceof ResponseState) {
            // do nothing and let the same reference to go to the cloned context
            } else {
                /**
                 * Need to add conditions according to type if found in
                 * future
                 */
                if (log.isDebugEnabled()) {
                    log.warn("Deep clone not happened for property : " + strkey + ". Class type : " + obj.getClass().getName());
                }
            }
            newCtx.setProperty(strkey, obj);
        }
    }
    // Make deep copy of fault stack so that parent will not be lost it's fault stack
    Stack<FaultHandler> faultStack = synCtx.getFaultStack();
    if (!faultStack.isEmpty()) {
        List<FaultHandler> newFaultStack = new ArrayList<FaultHandler>();
        newFaultStack.addAll(faultStack);
        for (FaultHandler faultHandler : newFaultStack) {
            if (faultHandler != null) {
                newCtx.pushFaultHandler(faultHandler);
            }
        }
    }
    Stack<TemplateContext> functionStack = (Stack) synCtx.getProperty(SynapseConstants.SYNAPSE__FUNCTION__STACK);
    if (functionStack != null) {
        newCtx.setProperty(SynapseConstants.SYNAPSE__FUNCTION__STACK, functionStack.clone());
    }
    if (log.isDebugEnabled()) {
        log.info("Parent's Fault Stack : " + faultStack + " : Child's Fault Stack :" + newCtx.getFaultStack());
    }
    // Copy ContinuationStateStack from original MC to the new MC
    if (synCtx.isContinuationEnabled()) {
        Stack<ContinuationState> continuationStates = synCtx.getContinuationStateStack();
        newCtx.setContinuationEnabled(true);
        for (ContinuationState continuationState : continuationStates) {
            if (continuationState != null) {
                newCtx.pushContinuationState(ContinuationStackManager.getClonedSeqContinuationState((SeqContinuationState) continuationState));
            }
        }
    }
    newCtx.setMessageFlowTracingState(synCtx.getMessageFlowTracingState());
    return newCtx;
}

Example 13 with MessageContext

use of org.apache.synapse.MessageContext in project wso2-synapse by wso2.

the class MessageHelper method cloneMessageContextForAggregateMediator.

public static MessageContext cloneMessageContextForAggregateMediator(MessageContext synCtx) throws AxisFault {
    // creates the new MessageContext and clone the internal axis2 MessageContext
    // inside the synapse message context and place that in the new one
    MessageContext newCtx = synCtx.getEnvironment().createMessageContext();
    Axis2MessageContext axis2MC = (Axis2MessageContext) newCtx;
    axis2MC.setAxis2MessageContext(cloneAxis2MessageContextForAggregate(((Axis2MessageContext) synCtx).getAxis2MessageContext()));
    newCtx.setConfiguration(synCtx.getConfiguration());
    newCtx.setEnvironment(synCtx.getEnvironment());
    newCtx.setContextEntries(synCtx.getContextEntries());
    // set the parent correlation details to the cloned MC -
    // for the use of aggregation like tasks
    newCtx.setProperty(EIPConstants.AGGREGATE_CORRELATION, synCtx.getMessageID());
    // copying the core parameters of the synapse MC
    newCtx.setTo(synCtx.getTo());
    newCtx.setReplyTo(synCtx.getReplyTo());
    newCtx.setSoapAction(synCtx.getSoapAction());
    newCtx.setWSAAction(synCtx.getWSAAction());
    newCtx.setResponse(synCtx.isResponse());
    // copy all the synapse level properties to the newCtx
    for (Object o : synCtx.getPropertyKeySet()) {
        // throw exception
        if (o instanceof String) {
            /**
             * Clone the properties and add to new context
             * If not cloned can give errors in target configuration
             */
            String strkey = (String) o;
            Object obj = synCtx.getProperty(strkey);
            if (obj instanceof String) {
            // No need to do anything since Strings are immutable
            } else if (obj instanceof ArrayList) {
                if (log.isDebugEnabled()) {
                    log.warn("Deep clone Started for  ArrayList property: " + strkey + ".");
                }
                // Call this method to deep clone ArrayList
                obj = cloneArrayList((ArrayList) obj);
                if (log.isDebugEnabled()) {
                    log.warn("Deep clone Ended for  ArrayList property: " + strkey + ".");
                }
            } else {
                /**
                 * Need to add conditions according to type if found in
                 * future
                 */
                if (log.isDebugEnabled()) {
                    log.warn("Deep clone not happened for property : " + strkey + ". Class type : " + obj.getClass().getName());
                }
            }
            newCtx.setProperty(strkey, obj);
        }
    }
    // Make deep copy of fault stack so that parent will not be lost it's fault stack
    Stack<FaultHandler> faultStack = synCtx.getFaultStack();
    if (!faultStack.isEmpty()) {
        List<FaultHandler> newFaultStack = new ArrayList<FaultHandler>();
        newFaultStack.addAll(faultStack);
        for (FaultHandler faultHandler : newFaultStack) {
            if (faultHandler != null) {
                newCtx.pushFaultHandler(faultHandler);
            }
        }
    }
    Stack<TemplateContext> functionStack = (Stack) synCtx.getProperty(SynapseConstants.SYNAPSE__FUNCTION__STACK);
    if (functionStack != null) {
        newCtx.setProperty(SynapseConstants.SYNAPSE__FUNCTION__STACK, functionStack.clone());
    }
    if (log.isDebugEnabled()) {
        log.info("Parent's Fault Stack : " + faultStack + " : Child's Fault Stack :" + newCtx.getFaultStack());
    }
    // Copy ContinuationStateStack from original MC to the new MC
    if (synCtx.isContinuationEnabled()) {
        Stack<ContinuationState> continuationStates = synCtx.getContinuationStateStack();
        newCtx.setContinuationEnabled(true);
        for (ContinuationState continuationState : continuationStates) {
            if (continuationState != null) {
                newCtx.pushContinuationState(ContinuationStackManager.getClonedSeqContinuationState((SeqContinuationState) continuationState));
            }
        }
    }
    newCtx.setMessageFlowTracingState(synCtx.getMessageFlowTracingState());
    return newCtx;
}

Example 14 with MessageContext

use of org.apache.synapse.MessageContext in project wso2-synapse by wso2.

the class BlockingMsgSender method sendReceive.

private org.apache.axis2.context.MessageContext sendReceive(org.apache.axis2.context.MessageContext axisOutMsgCtx, Options clientOptions, AxisService anonymousService, ServiceContext serviceCtx, MessageContext synapseInMsgCtx) throws AxisFault {
    AxisOperation axisAnonymousOperation = anonymousService.getOperation(new QName(AnonymousServiceFactory.OUT_IN_OPERATION));
    OperationClient operationClient = axisAnonymousOperation.createClient(serviceCtx, clientOptions);
    operationClient.addMessageContext(axisOutMsgCtx);
    axisOutMsgCtx.setAxisMessage(axisAnonymousOperation.getMessage(WSDLConstants.MESSAGE_LABEL_OUT_VALUE));
    this.invokeHandlers(synapseInMsgCtx, false);
    operationClient.execute(true);
    org.apache.axis2.context.MessageContext resultMsgCtx = operationClient.getMessageContext(WSDLConstants.MESSAGE_LABEL_IN_VALUE);
    org.apache.axis2.context.MessageContext returnMsgCtx = new org.apache.axis2.context.MessageContext();
    if (resultMsgCtx.getEnvelope() != null) {
        returnMsgCtx.setEnvelope(MessageHelper.cloneSOAPEnvelope(resultMsgCtx.getEnvelope()));
        if (JsonUtil.hasAJsonPayload(resultMsgCtx)) {
            JsonUtil.cloneJsonPayload(resultMsgCtx, returnMsgCtx);
        }
    } else {
        if (axisOutMsgCtx.isSOAP11()) {
            returnMsgCtx.setEnvelope(OMAbstractFactory.getSOAP11Factory().getDefaultEnvelope());
        } else {
            returnMsgCtx.setEnvelope(OMAbstractFactory.getSOAP12Factory().getDefaultEnvelope());
        }
    }
    returnMsgCtx.setProperty(SynapseConstants.HTTP_SENDER_STATUSCODE, resultMsgCtx.getProperty(SynapseConstants.HTTP_SENDER_STATUSCODE));
    axisOutMsgCtx.getTransportOut().getSender().cleanup(axisOutMsgCtx);
    returnMsgCtx.setProperty(org.apache.axis2.context.MessageContext.TRANSPORT_HEADERS, resultMsgCtx.getProperty(org.apache.axis2.context.MessageContext.TRANSPORT_HEADERS));
    this.invokeHandlers(synapseInMsgCtx, true);
    return returnMsgCtx;
}

Example 15 with MessageContext

use of org.apache.synapse.MessageContext in project wso2-synapse by wso2.

the class BlockingMsgSender method send.

public MessageContext send(Endpoint endpoint, MessageContext synapseInMsgCtx) throws Exception {
    if (log.isDebugEnabled()) {
        log.debug("Start Sending the Message ");
    }
    if (endpoint instanceof IndirectEndpoint) {
        String endpointKey = ((IndirectEndpoint) endpoint).getKey();
        endpoint = synapseInMsgCtx.getEndpoint(endpointKey);
    }
    if (endpoint instanceof TemplateEndpoint) {
        endpoint = ((TemplateEndpoint) endpoint).getRealEndpoint();
    }
    // get the correct endpoint definition
    if (endpoint instanceof ResolvingEndpoint) {
        SynapseXPath keyExpression = ((ResolvingEndpoint) endpoint).getKeyExpression();
        String key = keyExpression.stringValueOf(synapseInMsgCtx);
        endpoint = ((ResolvingEndpoint) endpoint).loadAndInitEndpoint(((Axis2MessageContext) synapseInMsgCtx).getAxis2MessageContext().getConfigurationContext(), key);
    }
    AbstractEndpoint abstractEndpoint = (AbstractEndpoint) endpoint;
    if (!abstractEndpoint.isLeafEndpoint()) {
        handleException("Endpoint Type not supported");
    }
    // clear the message context properties related to endpoint in last service invocation
    Set keySet = synapseInMsgCtx.getPropertyKeySet();
    if (keySet != null) {
        keySet.remove(EndpointDefinition.DYNAMIC_URL_VALUE);
    }
    abstractEndpoint.executeEpTypeSpecificFunctions(synapseInMsgCtx);
    EndpointDefinition endpointDefinition = abstractEndpoint.getDefinition();
    org.apache.axis2.context.MessageContext axisInMsgCtx = ((Axis2MessageContext) synapseInMsgCtx).getAxis2MessageContext();
    org.apache.axis2.context.MessageContext axisOutMsgCtx = new org.apache.axis2.context.MessageContext();
    String endpointReferenceValue = null;
    if (endpointDefinition.getAddress() != null) {
        endpointReferenceValue = endpointDefinition.getAddress();
    } else if (axisInMsgCtx.getTo() != null) {
        endpointReferenceValue = axisInMsgCtx.getTo().getAddress();
    } else {
        handleException("Service url, Endpoint or 'To' header is required");
    }
    EndpointReference epr = new EndpointReference(endpointReferenceValue);
    axisOutMsgCtx.setTo(epr);
    AxisService anonymousService;
    if (endpointReferenceValue != null && endpointReferenceValue.startsWith(Constants.TRANSPORT_LOCAL)) {
        configurationContext = axisInMsgCtx.getConfigurationContext();
        anonymousService = AnonymousServiceFactory.getAnonymousService(configurationContext.getAxisConfiguration(), LOCAL_ANON_SERVICE);
    } else {
        anonymousService = AnonymousServiceFactory.getAnonymousService(null, configurationContext.getAxisConfiguration(), endpointDefinition.isAddressingOn() | endpointDefinition.isReliableMessagingOn(), endpointDefinition.isReliableMessagingOn(), endpointDefinition.isSecurityOn(), false);
    }
    axisOutMsgCtx.setConfigurationContext(configurationContext);
    axisOutMsgCtx.setEnvelope(axisInMsgCtx.getEnvelope());
    axisOutMsgCtx.setProperty(HTTPConstants.NON_ERROR_HTTP_STATUS_CODES, axisInMsgCtx.getProperty(HTTPConstants.NON_ERROR_HTTP_STATUS_CODES));
    axisOutMsgCtx.setProperty(HTTPConstants.ERROR_HTTP_STATUS_CODES, axisInMsgCtx.getProperty(HTTPConstants.ERROR_HTTP_STATUS_CODES));
    axisOutMsgCtx.setProperty(SynapseConstants.DISABLE_CHUNKING, axisInMsgCtx.getProperty(SynapseConstants.DISABLE_CHUNKING));
    // Can't refer to the Axis2 constant 'NO_DEFAULT_CONTENT_TYPE' defined in 1.6.1.wso2v23-SNAPSHOT until
    // an API change is done.
    axisOutMsgCtx.setProperty(SynapseConstants.NO_DEFAULT_CONTENT_TYPE, axisInMsgCtx.getProperty(SynapseConstants.NO_DEFAULT_CONTENT_TYPE));
    // Fill MessageContext
    BlockingMsgSenderUtils.fillMessageContext(endpointDefinition, axisOutMsgCtx, synapseInMsgCtx);
    if (JsonUtil.hasAJsonPayload(axisInMsgCtx)) {
        JsonUtil.cloneJsonPayload(axisInMsgCtx, axisOutMsgCtx);
    }
    Options clientOptions;
    if (initClientOptions) {
        clientOptions = new Options();
    } else {
        clientOptions = axisInMsgCtx.getOptions();
        clientOptions.setTo(epr);
    }
    // Fill Client options
    BlockingMsgSenderUtils.fillClientOptions(endpointDefinition, clientOptions, synapseInMsgCtx);
    anonymousService.getParent().addParameter(SynapseConstants.HIDDEN_SERVICE_PARAM, "true");
    ServiceGroupContext serviceGroupContext = new ServiceGroupContext(configurationContext, (AxisServiceGroup) anonymousService.getParent());
    ServiceContext serviceCtx = serviceGroupContext.getServiceContext(anonymousService);
    axisOutMsgCtx.setServiceContext(serviceCtx);
    // Invoke
    boolean isOutOnly = isOutOnly(synapseInMsgCtx, axisOutMsgCtx);
    try {
        if (isOutOnly) {
            sendRobust(axisOutMsgCtx, clientOptions, anonymousService, serviceCtx, synapseInMsgCtx);
            final String httpStatusCode = String.valueOf(axisOutMsgCtx.getProperty(SynapseConstants.HTTP_SENDER_STATUSCODE)).trim();
            /*
                 * Though this is OUT_ONLY operation, we need to set the
                 * response Status code so that others can make use of it.
                 */
            axisInMsgCtx.setProperty(SynapseConstants.HTTP_SC, httpStatusCode);
        } else {
            org.apache.axis2.context.MessageContext result = sendReceive(axisOutMsgCtx, clientOptions, anonymousService, serviceCtx, synapseInMsgCtx);
            if (result.getEnvelope() != null) {
                synapseInMsgCtx.setEnvelope(result.getEnvelope());
                if (JsonUtil.hasAJsonPayload(result)) {
                    JsonUtil.cloneJsonPayload(result, ((Axis2MessageContext) synapseInMsgCtx).getAxis2MessageContext());
                }
            }
            final String statusCode = String.valueOf(result.getProperty(SynapseConstants.HTTP_SENDER_STATUSCODE)).trim();
            /*
                 * We need to set the response status code so that users can
                 * fetch it later.
                 */
            axisInMsgCtx.setProperty(SynapseConstants.HTTP_SC, statusCode);
            if ("false".equals(synapseInMsgCtx.getProperty(SynapseConstants.BLOCKING_SENDER_PRESERVE_REQ_HEADERS))) {
                axisInMsgCtx.setProperty(org.apache.axis2.context.MessageContext.TRANSPORT_HEADERS, result.getProperty(org.apache.axis2.context.MessageContext.TRANSPORT_HEADERS));
            }
            synapseInMsgCtx.setProperty(SynapseConstants.BLOCKING_SENDER_ERROR, "false");
            return synapseInMsgCtx;
        }
    } catch (Exception ex) {
        /*
             * Extract the HTTP status code from the Exception message.
             */
        final String errorStatusCode = extractStatusCodeFromException(ex);
        axisInMsgCtx.setProperty(SynapseConstants.HTTP_SC, errorStatusCode);
        if (!isOutOnly) {
            // axisOutMsgCtx.getTransportOut().getSender().cleanup(axisOutMsgCtx);
            synapseInMsgCtx.setProperty(SynapseConstants.BLOCKING_SENDER_ERROR, "true");
            synapseInMsgCtx.setProperty(SynapseConstants.ERROR_EXCEPTION, ex);
            if (ex instanceof AxisFault) {
                AxisFault fault = (AxisFault) ex;
                setErrorDetails(synapseInMsgCtx, fault);
                org.apache.axis2.context.MessageContext faultMC = fault.getFaultMessageContext();
                if (faultMC != null) {
                    Object statusCode = faultMC.getProperty(SynapseConstants.HTTP_SENDER_STATUSCODE);
                    synapseInMsgCtx.setProperty(SynapseConstants.HTTP_SC, statusCode);
                    axisInMsgCtx.setProperty(SynapseConstants.HTTP_SC, statusCode);
                    synapseInMsgCtx.setEnvelope(faultMC.getEnvelope());
                }
            }
            return synapseInMsgCtx;
        } else {
            if (ex instanceof AxisFault) {
                AxisFault fault = (AxisFault) ex;
                setErrorDetails(synapseInMsgCtx, fault);
            }
        }
        handleException("Error sending Message to url : " + ((AbstractEndpoint) endpoint).getDefinition().getAddress(), ex);
    }
    return null;
}