Examples with AbstractEndpoint org.apache.synapse.endpoints.AbstractEndpoint used on opensource projects

Example 1 with AbstractEndpoint

use of org.apache.synapse.endpoints.AbstractEndpoint 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;
}

Example 2 with AbstractEndpoint

use of org.apache.synapse.endpoints.AbstractEndpoint in project wso2-synapse by wso2.

the class MultiXMLConfigurationSerializer method serializeSynapseXML.

/**
 * Serialize only the elements defined in the top level synapse.xml file back to the
 * synapse.xml file. This method ignores the elements defined in files other than the
 * synapse.xml. Can be used in situations where only the synapse.xml file should be
 * updated at runtime.
 *
 * @param synapseConfig Current Synapse configuration
 * @throws Exception on file I/O error
 */
public void serializeSynapseXML(SynapseConfiguration synapseConfig) throws Exception {
    OMFactory fac = OMAbstractFactory.getOMFactory();
    OMElement definitions = fac.createOMElement("definitions", XMLConfigConstants.SYNAPSE_OMNAMESPACE);
    if (synapseConfig.getRegistry() != null && !Boolean.valueOf(synapseConfig.getProperty(MultiXMLConfigurationBuilder.SEPARATE_REGISTRY_DEFINITION))) {
        RegistrySerializer.serializeRegistry(definitions, synapseConfig.getRegistry());
    }
    if (synapseConfig.getTaskManager() != null && !Boolean.valueOf(synapseConfig.getProperty(MultiXMLConfigurationBuilder.SEPARATE_TASK_MANAGER_DEFINITION))) {
        TaskManagerSerializer.serializetaskManager(definitions, synapseConfig.getTaskManager());
    }
    Collection<ProxyService> proxyServices = synapseConfig.getProxyServices();
    Collection<SynapseEventSource> eventSources = synapseConfig.getEventSources();
    Collection<Startup> tasks = synapseConfig.getStartups();
    Collection localEntries = synapseConfig.getLocalRegistry().values();
    Collection<PriorityExecutor> executors = synapseConfig.getPriorityExecutors().values();
    Collection<MessageStore> messageStores = synapseConfig.getMessageStores().values();
    Collection<MessageProcessor> messageProcessors = synapseConfig.getMessageProcessors().values();
    Collection<API> apiCollection = synapseConfig.getAPIs();
    Collection<SynapseImport> synapseImportsCollection = synapseConfig.getSynapseImports().values();
    Collection<InboundEndpoint> inboundEndpoints = synapseConfig.getInboundEndpoints();
    Collection<String> comments = synapseConfig.getCommentedTextList();
    for (ProxyService service : proxyServices) {
        if (service.getFileName() == null) {
            ProxyServiceSerializer.serializeProxy(definitions, service);
        }
    }
    for (SynapseEventSource source : eventSources) {
        if (source.getFileName() == null) {
            EventSourceSerializer.serializeEventSource(definitions, source);
        }
    }
    for (Startup task : tasks) {
        if (task instanceof AbstractStartup && task.getFileName() == null) {
            StartupFinder.getInstance().serializeStartup(definitions, task);
        }
    }
    for (Object o : localEntries) {
        if (o instanceof TemplateMediator) {
            TemplateMediator template = (TemplateMediator) o;
            if (template.getFileName() == null) {
                MediatorSerializerFinder.getInstance().getSerializer(template).serializeMediator(definitions, template);
            }
        } else if (o instanceof SequenceMediator) {
            SequenceMediator seq = (SequenceMediator) o;
            if (seq.getFileName() == null) {
                MediatorSerializerFinder.getInstance().getSerializer(seq).serializeMediator(definitions, seq);
            }
        } else if (o instanceof Template) {
            Template templEndpoint = (Template) o;
            if (templEndpoint.getFileName() == null) {
                new TemplateSerializer().serializeEndpointTemplate(templEndpoint, definitions);
            }
        } else if (o instanceof AbstractEndpoint) {
            AbstractEndpoint endpoint = (AbstractEndpoint) o;
            if (endpoint.getFileName() == null) {
                OMElement endpointElem = EndpointSerializer.getElementFromEndpoint(endpoint);
                definitions.addChild(endpointElem);
            }
        } else if (o instanceof Entry) {
            Entry entry = (Entry) o;
            if (entry.getFileName() == null) {
                if ((SynapseConstants.SERVER_HOST.equals(entry.getKey()) || SynapseConstants.SERVER_IP.equals(entry.getKey())) || entry.getType() == Entry.REMOTE_ENTRY) {
                    continue;
                }
                EntrySerializer.serializeEntry(entry, definitions);
            }
        }
    }
    for (PriorityExecutor executor : executors) {
        PriorityExecutorSerializer.serialize(definitions, executor, SynapseConstants.SYNAPSE_NAMESPACE);
    }
    for (MessageStore messageStore : messageStores) {
        if (messageStore.getFileName() == null) {
            MessageStoreSerializer.serializeMessageStore(definitions, messageStore);
        }
    }
    for (MessageProcessor messageProcessor : messageProcessors) {
        if (messageProcessor.getFileName() == null) {
            MessageProcessorSerializer.serializeMessageProcessor(definitions, messageProcessor);
        }
    }
    for (API api : apiCollection) {
        if (api.getFileName() == null) {
            APISerializer.serializeAPI(definitions, api);
        }
    }
    for (SynapseImport synapseImport : synapseImportsCollection) {
        if (synapseImport.getFileName() == null) {
            SynapseImportSerializer.serializeImport(definitions, synapseImport);
        }
    }
    for (InboundEndpoint inboundEndpoint : inboundEndpoints) {
        if (inboundEndpoint.getFileName() == null) {
            InboundEndpointSerializer.serializeInboundEndpoint(definitions, inboundEndpoint);
        }
    }
    serializeComments(comments, definitions);
    serializeSynapseXML(definitions);
}

Example 3 with AbstractEndpoint

use of org.apache.synapse.endpoints.AbstractEndpoint in project wso2-synapse by wso2.

the class SynapseCallbackReceiver method handleMessage.

/**
 * Handle the response or error (during a failed send) message received for an outgoing request
 *
 * @param messageID        Request message ID
 * @param response         the Axis2 MessageContext that has been received and has to be handled
 * @param synapseOutMsgCtx the corresponding (outgoing) Synapse MessageContext for the above
 *                         Axis2 MC, that holds Synapse specific information such as the error
 *                         handler stack and local properties etc.
 * @throws AxisFault       if the message cannot be processed
 */
private void handleMessage(String messageID, MessageContext response, org.apache.synapse.MessageContext synapseOutMsgCtx, AsyncCallback callback) throws AxisFault {
    // apply the tenant information to the out message context
    TenantInfoConfigurator configurator = synapseOutMsgCtx.getEnvironment().getTenantInfoConfigurator();
    if (configurator != null) {
        configurator.applyTenantInfo(synapseOutMsgCtx);
    }
    Boolean isConcurrencyThrottleEnabled = (Boolean) synapseOutMsgCtx.getProperty(SynapseConstants.SYNAPSE_CONCURRENCY_THROTTLE);
    if (isConcurrencyThrottleEnabled != null && isConcurrencyThrottleEnabled) {
        ConcurrentAccessController concurrentAccessController = (ConcurrentAccessController) synapseOutMsgCtx.getProperty(SynapseConstants.SYNAPSE_CONCURRENT_ACCESS_CONTROLLER);
        int available = concurrentAccessController.incrementAndGet();
        int concurrentLimit = concurrentAccessController.getLimit();
        if (log.isDebugEnabled()) {
            log.debug("Concurrency Throttle : Connection returned" + " :: " + available + " of available of " + concurrentLimit + " connections");
        }
        ConcurrentAccessReplicator concurrentAccessReplicator = (ConcurrentAccessReplicator) synapseOutMsgCtx.getProperty(SynapseConstants.SYNAPSE_CONCURRENT_ACCESS_REPLICATOR);
        String throttleKey = (String) synapseOutMsgCtx.getProperty(SynapseConstants.SYNAPSE_CONCURRENCY_THROTTLE_KEY);
        if (concurrentAccessReplicator != null) {
            concurrentAccessReplicator.replicate(throttleKey, true);
        }
    }
    Object o = response.getProperty(SynapseConstants.SENDING_FAULT);
    if (o != null && Boolean.TRUE.equals(o)) {
        // This path hits with a fault. Sequence mediator threads should not remove faultSequence.
        // SynapseCallbackReceiver thread should handle the faultStack.
        Pipe pipe = (Pipe) ((Axis2MessageContext) synapseOutMsgCtx).getAxis2MessageContext().getProperty(PassThroughConstants.PASS_THROUGH_PIPE);
        if (pipe != null && pipe.isSerializationComplete()) {
            NHttpServerConnection conn = (NHttpServerConnection) ((Axis2MessageContext) synapseOutMsgCtx).getAxis2MessageContext().getProperty("pass-through.Source-Connection");
            SourceConfiguration sourceConfiguration = (SourceConfiguration) ((Axis2MessageContext) synapseOutMsgCtx).getAxis2MessageContext().getProperty("PASS_THROUGH_SOURCE_CONFIGURATION");
            Pipe newPipe = new Pipe(conn, sourceConfiguration.getBufferFactory().getBuffer(), "source", sourceConfiguration);
            ((Axis2MessageContext) synapseOutMsgCtx).getAxis2MessageContext().setProperty(PassThroughConstants.PASS_THROUGH_PIPE, newPipe);
        }
        // there is a sending fault. propagate the fault to fault handlers.
        Stack faultStack = synapseOutMsgCtx.getFaultStack();
        if (faultStack != null && !faultStack.isEmpty()) {
            // fault envelope
            try {
                synapseOutMsgCtx.getEnvelope().build();
            } catch (Exception x) {
                synapseOutMsgCtx.setEnvelope(response.getEnvelope());
            }
            Exception e = (Exception) response.getProperty(SynapseConstants.ERROR_EXCEPTION);
            synapseOutMsgCtx.setProperty(SynapseConstants.SENDING_FAULT, Boolean.TRUE);
            synapseOutMsgCtx.setProperty(SynapseConstants.ERROR_CODE, response.getProperty(SynapseConstants.ERROR_CODE));
            synapseOutMsgCtx.setProperty(SynapseConstants.ERROR_MESSAGE, response.getProperty(SynapseConstants.ERROR_MESSAGE));
            synapseOutMsgCtx.setProperty(SynapseConstants.ERROR_DETAIL, response.getProperty(SynapseConstants.ERROR_DETAIL));
            synapseOutMsgCtx.setProperty(SynapseConstants.ERROR_EXCEPTION, e);
            if (synapseOutMsgCtx.getEnvironment().isContinuationEnabled()) {
                synapseOutMsgCtx.setContinuationEnabled(true);
            }
            if (log.isDebugEnabled()) {
                log.debug("[Failed Request Message ID : " + messageID + "]" + " [New to be Retried Request Message ID : " + synapseOutMsgCtx.getMessageID() + "]");
            }
            int errorCode = (Integer) response.getProperty(SynapseConstants.ERROR_CODE);
            // If a timeout has occured and the timeout action of the callback is to discard the message
            if (errorCode == SynapseConstants.NHTTP_CONNECTION_TIMEOUT && callback.getTimeOutAction() == SynapseConstants.DISCARD) {
                // Do not execute any fault sequences. Discard message
                if (log.isWarnEnabled()) {
                    log.warn("Synapse timed out for the request with Message ID : " + messageID + ". Ignoring fault handlers since the timeout action is DISCARD");
                }
                faultStack.removeAllElements();
            } else {
                ((FaultHandler) faultStack.pop()).handleFault(synapseOutMsgCtx, null);
            }
        }
    } else {
        // there can always be only one instance of an Endpoint in the faultStack of a message
        // if the send was successful, so remove it before we proceed any further
        Stack faultStack = synapseOutMsgCtx.getFaultStack();
        Endpoint successfulEndpoint = null;
        if (faultStack != null && !faultStack.isEmpty() && faultStack.peek() instanceof Endpoint) {
            successfulEndpoint = (Endpoint) faultStack.pop();
        }
        if (log.isDebugEnabled()) {
            log.debug("Synapse received an asynchronous response message");
            log.debug("Received To: " + (response.getTo() != null ? response.getTo().getAddress() : "null"));
            log.debug("SOAPAction: " + (response.getSoapAction() != null ? response.getSoapAction() : "null"));
            log.debug("WSA-Action: " + (response.getWSAAction() != null ? response.getWSAAction() : "null"));
            String[] cids = null;
            try {
                cids = response.getAttachmentMap().getAllContentIDs();
            } catch (Exception ex) {
                // partially read stream could lead to corrupted attachment map and hence this exception
                // corrupted attachment map leads to inconsistent runtime exceptions and behavior
                // discard the attachment map for the fault handler invocation
                // ensure the successful completion for fault handler flow
                response.setAttachmentMap(null);
                log.error("Synapse encountered an exception when reading attachments from bytes stream. " + "Hence Attachments map is dropped from the message context.", ex);
            }
            if (cids != null && cids.length > 0) {
                for (String cid : cids) {
                    log.debug("Attachment : " + cid);
                }
            }
            log.debug("Body : \n" + response.getEnvelope());
        }
        MessageContext axisOutMsgCtx = ((Axis2MessageContext) synapseOutMsgCtx).getAxis2MessageContext();
        // Processes 'Accept-Encoding'
        ResponseAcceptEncodingProcessor.process(response, axisOutMsgCtx);
        response.setServiceContext(null);
        response.setOperationContext(axisOutMsgCtx.getOperationContext());
        response.setAxisMessage(axisOutMsgCtx.getAxisOperation().getMessage(WSDLConstants.MESSAGE_LABEL_OUT_VALUE));
        // set properties on response
        response.setServerSide(true);
        response.setProperty(SynapseConstants.ISRESPONSE_PROPERTY, Boolean.TRUE);
        response.setProperty(MessageContext.TRANSPORT_OUT, axisOutMsgCtx.getProperty(MessageContext.TRANSPORT_OUT));
        response.setProperty(org.apache.axis2.Constants.OUT_TRANSPORT_INFO, axisOutMsgCtx.getProperty(org.apache.axis2.Constants.OUT_TRANSPORT_INFO));
        response.setTransportIn(axisOutMsgCtx.getTransportIn());
        response.setTransportOut(axisOutMsgCtx.getTransportOut());
        // response.setDoingREST(axisOutMsgCtx.isDoingREST()); This information already present, hence removing
        if (axisOutMsgCtx.isDoingMTOM() && (axisOutMsgCtx.getProperty(org.apache.axis2.Constants.Configuration.ENABLE_MTOM) == null || Boolean.getBoolean((String) axisOutMsgCtx.getProperty(org.apache.axis2.Constants.Configuration.ENABLE_MTOM)) == true)) {
            response.setDoingMTOM(true);
            response.setProperty(org.apache.axis2.Constants.Configuration.ENABLE_MTOM, org.apache.axis2.Constants.VALUE_TRUE);
        }
        if (axisOutMsgCtx.isDoingSwA()) {
            response.setDoingSwA(true);
            response.setProperty(org.apache.axis2.Constants.Configuration.ENABLE_SWA, org.apache.axis2.Constants.VALUE_TRUE);
        }
        // property state to original state.
        if (axisOutMsgCtx.getProperty(AddressingConstants.DISABLE_ADDRESSING_FOR_OUT_MESSAGES) != null) {
            response.setProperty(AddressingConstants.DISABLE_ADDRESSING_FOR_OUT_MESSAGES, axisOutMsgCtx.getProperty(AddressingConstants.DISABLE_ADDRESSING_FOR_OUT_MESSAGES));
        } else {
            response.removeProperty(AddressingConstants.DISABLE_ADDRESSING_FOR_OUT_MESSAGES);
        }
        Object messageType = axisOutMsgCtx.getProperty(org.apache.axis2.Constants.Configuration.MESSAGE_TYPE);
        if (!HTTPConstants.MEDIA_TYPE_X_WWW_FORM.equals(messageType)) {
            // copy the message type property that's used by the out message to the
            // response message
            response.setProperty(org.apache.axis2.Constants.Configuration.MESSAGE_TYPE, messageType);
        }
        if (axisOutMsgCtx.getMessageID() != null) {
            response.setRelationships(new RelatesTo[] { new RelatesTo(axisOutMsgCtx.getMessageID()) });
        }
        response.setReplyTo(axisOutMsgCtx.getReplyTo());
        response.setFaultTo(axisOutMsgCtx.getFaultTo());
        if (axisOutMsgCtx.isPropertyTrue(NhttpConstants.IGNORE_SC_ACCEPTED)) {
            response.setProperty(NhttpConstants.FORCE_SC_ACCEPTED, Constants.VALUE_TRUE);
        }
        // axis2 client options still contains properties such as policy files used in
        // outgoing request. Need to remove those.
        removeUnwantedClientOptions(response);
        // create the synapse message context for the response
        Axis2MessageContext synapseInMessageContext = new Axis2MessageContext(response, synapseOutMsgCtx.getConfiguration(), synapseOutMsgCtx.getEnvironment());
        synapseInMessageContext.setResponse(true);
        Object obj = synapseOutMsgCtx.getProperty(SynapseConstants.FORCE_ERROR_PROPERTY);
        String errorOnSOAPFault = (String) obj;
        if (Constants.VALUE_TRUE.equals(errorOnSOAPFault) && successfulEndpoint != null) {
            if (log.isDebugEnabled()) {
                log.debug("FORCE_ERROR_ON_SOAP_FAULT is true, checking for SOAPFault");
            }
            try {
                RelayUtils.buildMessage(((Axis2MessageContext) synapseInMessageContext).getAxis2MessageContext(), true);
            } catch (Exception e) {
            // handleException("Error while building message", e, synapseInMessageContext);
            }
            if ((synapseInMessageContext.getEnvelope() != null) && synapseInMessageContext.getEnvelope().hasFault()) {
                if (log.isDebugEnabled()) {
                    log.debug("SOAPFault found in response message, forcing endpoint " + successfulEndpoint.getName() + " to fail");
                }
                // setup new pipe configuration..if failure happens (this will be setup as the source writer and during the TargetContext
                // clean up operation the writer will be reset and pull to the buffer
                MessageContext axis2OUTMC = ((Axis2MessageContext) synapseOutMsgCtx).getAxis2MessageContext();
                NHttpServerConnection conn = (NHttpServerConnection) axis2OUTMC.getProperty("pass-through.Source-Connection");
                if (conn != null) {
                    SourceConfiguration sourceConfiguration = (SourceConfiguration) axis2OUTMC.getProperty("PASS_THROUGH_SOURCE_CONFIGURATION");
                    Pipe pipe = new Pipe(conn, sourceConfiguration.getBufferFactory().getBuffer(), "source", sourceConfiguration);
                    axis2OUTMC.setProperty(PassThroughConstants.PASS_THROUGH_PIPE, pipe);
                }
                synapseOutMsgCtx.setProperty(SynapseConstants.SENDING_FAULT, Boolean.TRUE);
                synapseOutMsgCtx.setProperty(SynapseConstants.ERROR_CODE, SynapseConstants.ENDPOINT_CUSTOM_ERROR);
                boolean failOver = false;
                if (successfulEndpoint instanceof AbstractEndpoint) {
                    Endpoint endpoint = ((AbstractEndpoint) successfulEndpoint).getParentEndpoint();
                    if (endpoint != null && (endpoint instanceof FailoverEndpoint)) {
                        failOver = true;
                    }
                }
                for (Object key : synapseOutMsgCtx.getPropertyKeySet()) {
                    synapseInMessageContext.setProperty((String) key, synapseOutMsgCtx.getProperty((String) key));
                }
                if (failOver) {
                    // we may required to handle same message for failover cases only other than that
                    // should treat based on the incoming message
                    ((FaultHandler) successfulEndpoint).handleFault(synapseOutMsgCtx, null);
                } else {
                    faultStack = synapseOutMsgCtx.getFaultStack();
                    if (faultStack != null) {
                        synapseInMessageContext.getFaultStack().addAll(faultStack);
                        ((FaultHandler) successfulEndpoint).handleFault(synapseInMessageContext, null);
                    }
                }
                return;
            } else {
                successfulEndpoint.onSuccess();
            }
        } else if (successfulEndpoint != null) {
            successfulEndpoint.onSuccess();
        }
        synapseInMessageContext.setTo(new EndpointReference(AddressingConstants.Final.WSA_ANONYMOUS_URL));
        synapseInMessageContext.setTracingState(synapseOutMsgCtx.getTracingState());
        synapseInMessageContext.setMessageFlowTracingState(synapseOutMsgCtx.getMessageFlowTracingState());
        for (Object key : synapseOutMsgCtx.getPropertyKeySet()) {
            synapseInMessageContext.setProperty((String) key, synapseOutMsgCtx.getProperty((String) key));
        }
        // Copy SequenceCallStack from original MC to the new MC
        Boolean isContinuationCall = (Boolean) synapseOutMsgCtx.getProperty(SynapseConstants.CONTINUATION_CALL);
        if (isContinuationCall != null && isContinuationCall) {
            // Set the message direction
            if (!synapseOutMsgCtx.isResponse()) {
                synapseInMessageContext.setResponse(false);
            }
            Stack<ContinuationState> seqContinuationStates = synapseOutMsgCtx.getContinuationStateStack();
            for (int i = 0; i < seqContinuationStates.size(); i++) {
                synapseInMessageContext.pushContinuationState(seqContinuationStates.get(i));
            }
        }
        // If this response is related to session affinity endpoints -Server initiated session
        Dispatcher dispatcher = (Dispatcher) synapseOutMsgCtx.getProperty(SynapseConstants.PROP_SAL_ENDPOINT_CURRENT_DISPATCHER);
        if (dispatcher != null && dispatcher.isServerInitiatedSession()) {
            dispatcher.updateSession(synapseInMessageContext);
        }
        // send the response message through the synapse mediation flow
        try {
            synapseOutMsgCtx.getEnvironment().injectMessage(synapseInMessageContext);
        } catch (Exception syne) {
            // introduced to handle runtime exceptions which are occurred inside Synapse handlers
            // partially read stream could lead to corrupted attachment map and hence this exception
            // corrupted attachment map leads to inconsistent runtime exceptions and behavior
            // discard the attachment map for the fault handler invocation
            // ensure the successful completion for fault handler flow
            // even we drop attachment map for both cases messages which have attachment /
            // messages which do not have attachments it would still not be any impact.
            // However setting attachment map to null for messages which do not have attachments is not required.
            // introduced due to the fact conflicts between Axiom exceptions for attachment/ non attachments cases
            // and performance impact that could cause of regular expression matching of exceptional stack traces.
            Axis2MessageContext axis2smc = (Axis2MessageContext) synapseInMessageContext;
            org.apache.axis2.context.MessageContext axis2MessageCtx = axis2smc.getAxis2MessageContext();
            // Set correct status code
            axis2MessageCtx.setProperty(PassThroughConstants.HTTP_SC, HttpStatus.SC_INTERNAL_SERVER_ERROR);
            axis2MessageCtx.setAttachmentMap(null);
            Stack stack = synapseInMessageContext.getFaultStack();
            if (stack != null && stack.isEmpty()) {
                registerFaultHandler(synapseInMessageContext);
            }
            if (stack != null && !stack.isEmpty()) {
                ((FaultHandler) stack.pop()).handleFault(synapseInMessageContext, syne);
            } else {
                log.error("Synapse encountered an exception, " + "No error handlers found - [Message Dropped]\n" + syne.getMessage());
            }
        }
    }
}

Example 4 with AbstractEndpoint

use of org.apache.synapse.endpoints.AbstractEndpoint in project wso2-synapse by wso2.

the class EndpointFactory method createEndpointWithName.

/**
 *  Make sure that the endpoints created by the factory has a name
 *
 * @param epConfig          OMElement containing the endpoint configuration.
 * @param anonymousEndpoint false if the endpoint has a name. true otherwise.
 * @param properties bag of properties to pass in any information to the factory
 * @return Endpoint implementation for the given configuration.
 */
private Endpoint createEndpointWithName(OMElement epConfig, boolean anonymousEndpoint, Properties properties) {
    Endpoint ep = createEndpoint(epConfig, anonymousEndpoint, properties);
    OMElement descriptionElem = epConfig.getFirstChildWithName(DESCRIPTION_Q);
    if (descriptionElem != null) {
        ep.setDescription(descriptionElem.getText());
    }
    // if the endpoint doesn't have a name we will generate a unique name.
    if (anonymousEndpoint && ep.getName() == null) {
        // ep.setName(ENDPOINT_NAME_PREFIX + uuid);
        if (ep instanceof AbstractEndpoint) {
            ((AbstractEndpoint) ep).setAnonymous(true);
        }
    }
    OMAttribute onFaultAtt = epConfig.getAttribute(ON_FAULT_Q);
    if (onFaultAtt != null) {
        ep.setErrorHandler(onFaultAtt.getAttributeValue());
    }
    return ep;
}

Example 5 with AbstractEndpoint

use of org.apache.synapse.endpoints.AbstractEndpoint in project wso2-synapse by wso2.

the class ForwardingService method dispatch.

/**
 * Sends the message to a given endpoint.
 *
 * @param messageContext synapse {@link MessageContext} to be sent
 */
public void 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);
    }
    if (targetEndpoint != null) {
        Endpoint endpoint = messageContext.getEndpoint(targetEndpoint);
        if (endpoint == null) {
            log.error("Endpoint does not exists. Deactivating the message processor");
            deactivateMessageProcessor(messageContext);
            return;
        }
        AbstractEndpoint abstractEndpoint = (AbstractEndpoint) endpoint;
        EndpointDefinition endpointDefinition = abstractEndpoint.getDefinition();
        String endpointReferenceValue;
        if (endpointDefinition.getAddress() != null) {
            endpointReferenceValue = endpointDefinition.getAddress();
            // we only validate response for certain protocols (i.e HTTP/HTTPS)
            isResponseValidationNotRequired = !isResponseValidationRequiredEndpoint(endpointReferenceValue);
        }
        try {
            // Send message to the client
            while (!isSuccessful && !isTerminated) {
                tryToDispatchToEndpoint(messageContext, endpoint);
                isTerminated = messageProcessor.isDeactivated();
                if (!isSuccessful) {
                    prepareToRetry(messageContext);
                }
            }
        } 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.error("Neither targetEndpoint defined in the MessageProcessor configuration nor " + "Property " + ForwardingProcessorConstants.TARGET_ENDPOINT + " is found in the message context, hence deactivating the MessageProcessor");
        deactivateMessageProcessor(messageContext);
    }
}