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

Example 61 with SynapseException

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

the class DynamicLoadbalanceEndpointFactory method createEndpoint.

protected Endpoint createEndpoint(OMElement epConfig, boolean anonymousEndpoint, Properties properties) {
    OMElement loadbalanceElement = epConfig.getFirstChildWithName(new QName(SynapseConstants.SYNAPSE_NAMESPACE, "dynamicLoadbalance"));
    if (loadbalanceElement != null) {
        DynamicLoadbalanceEndpoint loadbalanceEndpoint = new DynamicLoadbalanceEndpoint();
        // set endpoint name
        OMAttribute name = epConfig.getAttribute(new QName(XMLConfigConstants.NULL_NAMESPACE, "name"));
        if (name != null) {
            loadbalanceEndpoint.setName(name.getAttributeValue());
        }
        // get the session for this endpoint
        OMElement sessionElement = epConfig.getFirstChildWithName(new QName(SynapseConstants.SYNAPSE_NAMESPACE, "session"));
        if (sessionElement != null) {
            OMElement sessionTimeout = sessionElement.getFirstChildWithName(new QName(SynapseConstants.SYNAPSE_NAMESPACE, "sessionTimeout"));
            if (sessionTimeout != null) {
                try {
                    loadbalanceEndpoint.setSessionTimeout(Long.parseLong(sessionTimeout.getText().trim()));
                } catch (NumberFormatException nfe) {
                    handleException("Invalid session timeout value : " + sessionTimeout.getText());
                }
            }
            String type = sessionElement.getAttributeValue(new QName("type"));
            if (type.equalsIgnoreCase("soap")) {
                Dispatcher soapDispatcher = new SoapSessionDispatcher();
                loadbalanceEndpoint.setDispatcher(soapDispatcher);
            } else if (type.equalsIgnoreCase("http")) {
                Dispatcher httpDispatcher = new HttpSessionDispatcher();
                loadbalanceEndpoint.setDispatcher(httpDispatcher);
            }
            loadbalanceEndpoint.setSessionAffinity(true);
        }
        // set if failover is turned off
        String failover = loadbalanceElement.getAttributeValue(new QName("failover"));
        if (failover != null && failover.equalsIgnoreCase("false")) {
            loadbalanceEndpoint.setFailover(false);
        } else {
            loadbalanceEndpoint.setFailover(true);
        }
        OMElement eventHandler = loadbalanceElement.getFirstChildWithName(new QName(SynapseConstants.SYNAPSE_NAMESPACE, "membershipHandler"));
        if (eventHandler != null) {
            String clazz = eventHandler.getAttributeValue(new QName(XMLConfigConstants.NULL_NAMESPACE, "class")).trim();
            try {
                LoadBalanceMembershipHandler lbMembershipHandler = (LoadBalanceMembershipHandler) Class.forName(clazz).newInstance();
                Properties lbProperties = new Properties();
                for (Iterator props = eventHandler.getChildrenWithName(new QName(SynapseConstants.SYNAPSE_NAMESPACE, "property")); props.hasNext(); ) {
                    OMElement prop = (OMElement) props.next();
                    String propName = prop.getAttributeValue(new QName(XMLConfigConstants.NULL_NAMESPACE, "name")).trim();
                    String propValue = prop.getAttributeValue(new QName(XMLConfigConstants.NULL_NAMESPACE, "value")).trim();
                    lbProperties.put(propName, propValue);
                }
                // Set load balance algorithm
                LoadbalanceAlgorithm algorithm = LoadbalanceAlgorithmFactory.createLoadbalanceAlgorithm(loadbalanceElement, null);
                lbMembershipHandler.init(lbProperties, algorithm);
                loadbalanceEndpoint.setLoadBalanceMembershipHandler(lbMembershipHandler);
            } catch (Exception e) {
                String msg = "Could not instantiate " + "LoadBalanceMembershipHandler implementation " + clazz;
                log.error(msg, e);
                throw new SynapseException(msg, e);
            }
        }
        processProperties(loadbalanceEndpoint, epConfig);
        return loadbalanceEndpoint;
    }
    return null;
}

Example 62 with SynapseException

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

the class SequenceMediatorFactory method createSpecificMediator.

public Mediator createSpecificMediator(OMElement elem, Properties properties) {
    SequenceMediator seqMediator = new SequenceMediator();
    OMAttribute n = elem.getAttribute(ATT_NAME);
    OMAttribute e = elem.getAttribute(ATT_ONERROR);
    if (n != null) {
        seqMediator.setName(n.getAttributeValue());
        if (e != null) {
            seqMediator.setErrorHandler(e.getAttributeValue());
        }
        processAuditStatus(seqMediator, elem);
        addChildren(elem, seqMediator, properties);
    } else {
        n = elem.getAttribute(ATT_KEY);
        if (n != null) {
            // ValueFactory for creating dynamic or static Value
            ValueFactory keyFac = new ValueFactory();
            // create dynamic or static key based on OMElement
            Value generatedKey = keyFac.createValue(XMLConfigConstants.KEY, elem);
            // setKey
            seqMediator.setKey(generatedKey);
            if (e != null) {
                String msg = "A sequence mediator with a reference to another " + "sequence can not have 'ErrorHandler'";
                log.error(msg);
                throw new SynapseException(msg);
            }
        } else {
            String msg = "A sequence mediator should be a named sequence or a reference " + "to another sequence (i.e. a name attribute or key attribute is required)";
            log.error(msg);
            throw new SynapseException(msg);
        }
    }
    return seqMediator;
}

Example 63 with SynapseException

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

the class StartupFinder method serializeStartup.

/**
 * This method will serialize the config using the supplied QName (looking
 * up the right class to do it)
 *
 * @param parent  -
 *                Parent OMElement to which the created element will be added if
 *                not null
 * @param startup -
 *                Startup to be serialized
 * @return OMElement startup
 */
public OMElement serializeStartup(OMElement parent, Startup startup) {
    Class<? extends StartupSerializer> cls = serializerMap.get(startup.getTagQName());
    if (cls == null) {
        String msg = "Unknown startup type referenced by startup element : " + startup.getTagQName();
        log.error(msg);
        throw new SynapseException(msg);
    }
    try {
        StartupSerializer ss = cls.newInstance();
        return ss.serializeStartup(parent, startup);
    } catch (InstantiationException e) {
        String msg = "Error initializing startup serializer: " + cls;
        log.error(msg);
        throw new SynapseException(msg, e);
    } catch (IllegalAccessException e) {
        String msg = "Error initializing startup ser: " + cls;
        log.error(msg);
        throw new SynapseException(msg, e);
    }
}

Example 64 with SynapseException

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

the class Axis2Sender method sendBack.

/**
 * Send a response back to a client of Synapse
 *
 * @param smc the Synapse message context sent as the response
 */
public static void sendBack(org.apache.synapse.MessageContext smc) {
    if (preventMultipleResponses(smc)) {
        return;
    }
    MessageContext messageContext = ((Axis2MessageContext) smc).getAxis2MessageContext();
    // prevent it from going into any other transport sender
    if (messageContext.isPropertyTrue(NhttpConstants.SC_ACCEPTED) && messageContext.getTransportOut() != null && !messageContext.getTransportOut().getName().startsWith(Constants.TRANSPORT_HTTP)) {
        return;
    }
    // fault processing code
    if (messageContext.isDoingREST() && messageContext.isFault() && isMessagePayloadHasASOAPFault(messageContext)) {
        POXUtils.convertSOAPFaultToPOX(messageContext);
    }
    try {
        messageContext.setProperty(SynapseConstants.ISRESPONSE_PROPERTY, Boolean.TRUE);
        if (AddressingHelper.isReplyRedirected(messageContext) && !messageContext.getReplyTo().hasNoneAddress()) {
            messageContext.setTo(messageContext.getReplyTo());
            messageContext.setReplyTo(null);
            messageContext.setWSAAction("");
            messageContext.setSoapAction("");
            messageContext.setProperty(NhttpConstants.IGNORE_SC_ACCEPTED, Constants.VALUE_TRUE);
            messageContext.setProperty(AddressingConstants.DISABLE_ADDRESSING_FOR_OUT_MESSAGES, Boolean.FALSE);
        }
        if (messageContext.getEnvelope().hasFault() && AddressingHelper.isFaultRedirected(messageContext) && (messageContext.getFaultTo() == null || !messageContext.getFaultTo().hasNoneAddress())) {
            messageContext.setTo(messageContext.getFaultTo());
            messageContext.setFaultTo(null);
            messageContext.setWSAAction("");
            messageContext.setSoapAction("");
            messageContext.setProperty(NhttpConstants.IGNORE_SC_ACCEPTED, Constants.VALUE_TRUE);
            messageContext.setProperty(AddressingConstants.DISABLE_ADDRESSING_FOR_OUT_MESSAGES, Boolean.FALSE);
        }
        String preserveAddressingProperty = (String) smc.getProperty(SynapseConstants.PRESERVE_WS_ADDRESSING);
        if (preserveAddressingProperty != null && Boolean.parseBoolean(preserveAddressingProperty)) {
            /*Avoiding duplicate addressing headers*/
            messageContext.setProperty(AddressingConstants.REPLACE_ADDRESSING_HEADERS, "true");
            messageContext.setMessageID(smc.getMessageID());
        } else {
            MessageHelper.removeAddressingHeaders(messageContext);
            messageContext.setMessageID(UIDGenerator.generateURNString());
        }
        // determine weather we need to preserve the processed headers
        String preserveHeaderProperty = (String) smc.getProperty(SynapseConstants.PRESERVE_PROCESSED_HEADERS);
        if (preserveHeaderProperty == null || !Boolean.parseBoolean(preserveHeaderProperty)) {
            // remove the processed headers
            MessageHelper.removeProcessedHeaders(messageContext, (preserveAddressingProperty != null && Boolean.parseBoolean(preserveAddressingProperty)));
        }
        // temporary workaround for https://issues.apache.org/jira/browse/WSCOMMONS-197
        if (messageContext.isEngaged(SynapseConstants.SECURITY_MODULE_NAME) && messageContext.getEnvelope().getHeader() == null) {
            SOAPFactory fac = messageContext.isSOAP11() ? OMAbstractFactory.getSOAP11Factory() : OMAbstractFactory.getSOAP12Factory();
            fac.createSOAPHeader(messageContext.getEnvelope());
        }
        Axis2FlexibleMEPClient.clearSecurtityProperties(messageContext.getOptions());
        // Invoke Synapse Handlers
        Iterator<SynapseHandler> iterator = smc.getEnvironment().getSynapseHandlers().iterator();
        while (iterator.hasNext()) {
            SynapseHandler handler = iterator.next();
            if (!handler.handleResponseOutFlow(smc)) {
                return;
            }
        }
        doSOAPFormatConversion(smc);
        // handles concurrent throttling based on the messagecontext.
        handleConcurrentThrottleCount(smc);
        // If the request arrives through an inbound endpoint
        if (smc.getProperty(SynapseConstants.IS_INBOUND) != null && (Boolean) smc.getProperty(SynapseConstants.IS_INBOUND)) {
            if (smc.getProperty(InboundEndpointConstants.INBOUND_ENDPOINT_RESPONSE_WORKER) != null) {
                InboundResponseSender inboundResponseSender = (InboundResponseSender) smc.getProperty(InboundEndpointConstants.INBOUND_ENDPOINT_RESPONSE_WORKER);
                inboundResponseSender.sendBack(smc);
            } else {
                String msg = "Inbound Response Sender not found -" + " Inbound Endpoint may not support sending a response back";
                log.error(msg);
                throw new SynapseException(msg);
            }
        } else {
            // If the request arrives through a conventional transport listener
            AxisEngine.send(messageContext);
        }
    } catch (AxisFault e) {
        handleException(getResponseMessage(messageContext), e);
    }
}

Example 65 with SynapseException

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

the class MessageContextCreatorForAxis2 method getSynapseMessageContext.

public static MessageContext getSynapseMessageContext(org.apache.axis2.context.MessageContext axisMsgCtx) throws AxisFault {
    if (synCfg == null || synEnv == null) {
        String msg = "Synapse environment has not initialized properly..";
        log.fatal(msg);
        throw new SynapseException(msg);
    }
    // we should try to get the synapse configuration and environment from
    // the axis2 configuration.
    SynapseEnvironment synapseEnvironment = getSynapseEnvironment(axisMsgCtx);
    SynapseConfiguration synapseConfiguration = getSynapseConfiguration(axisMsgCtx);
    if (synapseConfiguration != null && synapseEnvironment != null) {
        return new Axis2MessageContext(axisMsgCtx, synapseConfiguration, synapseEnvironment);
    } else {
        return new Axis2MessageContext(axisMsgCtx, synCfg, synEnv);
    }
}