Examples with EventException org.wso2.eventing.exceptions.EventException used on opensource projects

Example 1 with EventException

use of org.wso2.eventing.exceptions.EventException in project wso2-synapse by wso2.

the class SynapseEventSource method receive.

/**
 * Override the Message receiver method to accept subscriptions and events
 *
 * @param mc message context
 * @throws AxisFault
 */
public void receive(MessageContext mc) throws AxisFault {
    // Create synapse message context from the axis2 message context
    SynapseConfiguration synCfg = (SynapseConfiguration) mc.getConfigurationContext().getAxisConfiguration().getParameter(SynapseConstants.SYNAPSE_CONFIG).getValue();
    SynapseEnvironment synEnv = (SynapseEnvironment) mc.getConfigurationContext().getAxisConfiguration().getParameter(SynapseConstants.SYNAPSE_ENV).getValue();
    org.apache.synapse.MessageContext smc = new Axis2MessageContext(mc, synCfg, synEnv);
    // initialize the response message builder using the message context
    ResponseMessageBuilder messageBuilder = new ResponseMessageBuilder(mc);
    try {
        if (EventingConstants.WSE_SUBSCRIBE.equals(mc.getWSAAction())) {
            // add new subscription to the SynapseSubscription store through subscription manager
            processSubscriptionRequest(mc, messageBuilder);
        } else if (EventingConstants.WSE_UNSUBSCRIBE.equals(mc.getWSAAction())) {
            // Unsubscribe the matching subscription
            processUnSubscribeRequest(mc, messageBuilder);
        } else if (EventingConstants.WSE_GET_STATUS.equals(mc.getWSAAction())) {
            // Response with the status of the subscription
            processGetStatusRequest(mc, messageBuilder);
        } else if (EventingConstants.WSE_RENEW.equals(mc.getWSAAction())) {
            // Renew subscription
            processReNewRequest(mc, messageBuilder);
        } else {
            // Treat as an Event
            if (log.isDebugEnabled()) {
                log.debug("Event received");
            }
            dispatchEvents(smc);
        }
    } catch (EventException e) {
        handleException("Subscription manager processing error", e);
    }
}

Example 2 with EventException

use of org.wso2.eventing.exceptions.EventException in project wso2-synapse by wso2.

the class SynapseEventSource method processGetStatusRequest.

/**
 * Process the GetStatus message request
 *
 * @param mc             axis2 message context
 * @param messageBuilder respose message builder
 * @throws AxisFault     axis fault
 * @throws EventException event
 */
private void processGetStatusRequest(MessageContext mc, ResponseMessageBuilder messageBuilder) throws AxisFault, EventException {
    Subscription subscription = SubscriptionMessageBuilder.createGetStatusMessage(mc);
    if (log.isDebugEnabled()) {
        log.debug("GetStatus request recived for SynapseSubscription ID : " + subscription.getId());
    }
    subscription = subscriptionManager.getSubscription(subscription.getId());
    if (subscription != null) {
        if (log.isDebugEnabled()) {
            log.debug("Sending GetStatus responce for SynapseSubscription ID : " + subscription.getId());
        }
        // send the responce
        SOAPEnvelope soapEnvelope = messageBuilder.genGetStatusResponse(subscription);
        dispatchResponse(soapEnvelope, EventingConstants.WSE_GET_STATUS_RESPONSE, mc, false);
    } else {
        // Send the Fault responce
        if (log.isDebugEnabled()) {
            log.debug("GetStatus failed, sending fault response");
        }
        SOAPEnvelope soapEnvelope = messageBuilder.genFaultResponse(mc, EventingConstants.WSE_FAULT_CODE_RECEIVER, "EventSourceUnableToProcess", "Subscription Not Found", "");
        dispatchResponse(soapEnvelope, EventingConstants.WSA_FAULT, mc, true);
    }
}

Example 3 with EventException

use of org.wso2.eventing.exceptions.EventException in project wso2-synapse by wso2.

the class EventSourceFactory method createEventSource.

@SuppressWarnings({ "UnusedDeclaration" })
public static SynapseEventSource createEventSource(OMElement elem, Properties properties) {
    SynapseEventSource eventSource = null;
    OMAttribute name = elem.getAttribute(new QName(XMLConfigConstants.NULL_NAMESPACE, "name"));
    if (name == null) {
        handleException("The 'name' attribute is required for a event source de");
    } else {
        eventSource = new SynapseEventSource(name.getAttributeValue());
    }
    OMElement subscriptionManagerElem = elem.getFirstChildWithName(SUBSCRIPTION_MANAGER_QNAME);
    if (eventSource != null && subscriptionManagerElem != null) {
        OMAttribute clazz = subscriptionManagerElem.getAttribute(new QName(XMLConfigConstants.NULL_NAMESPACE, "class"));
        if (clazz != null) {
            String className = clazz.getAttributeValue();
            try {
                Class subscriptionManagerClass = Class.forName(className);
                SubscriptionManager manager = (SubscriptionManager) subscriptionManagerClass.newInstance();
                Iterator itr = subscriptionManagerElem.getChildrenWithName(PROPERTIES_QNAME);
                while (itr.hasNext()) {
                    OMElement propElem = (OMElement) itr.next();
                    String propName = propElem.getAttribute(new QName("name")).getAttributeValue();
                    String propValue = propElem.getAttribute(new QName("value")).getAttributeValue();
                    if (propName != null && !"".equals(propName.trim()) && propValue != null && !"".equals(propValue.trim())) {
                        propName = propName.trim();
                        propValue = propValue.trim();
                        PasswordManager passwordManager = PasswordManager.getInstance();
                        String key = eventSource.getName() + "." + propName;
                        if (passwordManager.isInitialized() && passwordManager.isTokenProtected(key)) {
                            eventSource.putConfigurationProperty(propName, propValue);
                            propValue = passwordManager.resolve(propValue);
                        }
                        manager.addProperty(propName, propValue);
                    }
                }
                eventSource.setSubscriptionManager(manager);
                eventSource.getSubscriptionManager().init();
            } catch (ClassNotFoundException e) {
                handleException("SubscriptionManager class not found", e);
            } catch (IllegalAccessException e) {
                handleException("Unable to access the SubscriptionManager object", e);
            } catch (InstantiationException e) {
                handleException("Unable to instantiate the SubscriptionManager object", e);
            }
        } else {
            handleException("SynapseSubscription manager class is a required attribute");
        }
    } else {
        handleException("SynapseSubscription Manager has not been specified for the event source");
    }
    try {
        createStaticSubscriptions(elem, eventSource);
    } catch (EventException e) {
        handleException("Static subscription creation failure", e);
    }
    return eventSource;
}

Example 4 with EventException

use of org.wso2.eventing.exceptions.EventException in project wso2-synapse by wso2.

the class EventSourceFactory method createStaticSubscriptions.

/**
 * Generate the static subscriptions
 *
 * @param elem containing the static subscription configurations
 * @param synapseEventSource event source to which the static subscriptions belong to
 * @throws EventException in-case of a failure in creating static subscriptions
 */
private static void createStaticSubscriptions(OMElement elem, SynapseEventSource synapseEventSource) throws EventException {
    for (Iterator iterator = elem.getChildrenWithName(SUBSCRIPTION_QNAME); iterator.hasNext(); ) {
        SynapseSubscription synapseSubscription = new SynapseSubscription();
        OMElement elmSubscription = (OMElement) iterator.next();
        synapseSubscription.setId(elmSubscription.getAttribute(ID_QNAME).getAttributeValue());
        // process the filter
        OMElement elmFilter = elmSubscription.getFirstChildWithName(FILTER_QNAME);
        OMAttribute dialectAttr = elmFilter.getAttribute(FILTER_DIALECT_QNAME);
        if (dialectAttr != null && dialectAttr.getAttributeValue() != null) {
            OMAttribute sourceAttr = elmFilter.getAttribute(FILTER_SOURCE_QNAME);
            if (sourceAttr != null) {
                synapseSubscription.setFilterDialect(dialectAttr.getAttributeValue());
                synapseSubscription.setFilterValue(sourceAttr.getAttributeValue());
            } else {
                handleException("Error in creating static subscription. Filter source not defined");
            }
        } else {
            handleException("Error in creating static subscription. Filter dialect not defined");
        }
        OMElement elmEndpoint = elmSubscription.getFirstChildWithName(ENDPOINT_QNAME);
        if (elmEndpoint != null) {
            OMElement elmAddress = elmEndpoint.getFirstChildWithName(ADDRESS_QNAME);
            if (elmAddress != null) {
                OMAttribute uriAttr = elmAddress.getAttribute(EP_URI_QNAME);
                if (uriAttr != null) {
                    synapseSubscription.setEndpointUrl(uriAttr.getAttributeValue());
                    synapseSubscription.setAddressUrl(uriAttr.getAttributeValue());
                } else {
                    handleException("Error in creating static subscription. URI not defined");
                }
            } else {
                handleException("Error in creating static subscription. Address not defined");
            }
        } else {
            handleException("Error in creating static subscription. Endpoint not defined");
        }
        OMElement elmExpires = elmSubscription.getFirstChildWithName(EXPIRES_QNAME);
        if (elmExpires != null) {
            try {
                if (elmExpires.getText().startsWith("P")) {
                    synapseSubscription.setExpires(ConverterUtil.convertToDuration(elmExpires.getText()).getAsCalendar());
                } else {
                    synapseSubscription.setExpires(ConverterUtil.convertToDateTime(elmExpires.getText()));
                }
            } catch (Exception e) {
                handleException("Error in creating static subscription. invalid date format", e);
            }
        } else {
            synapseSubscription.setExpires(null);
        }
        synapseSubscription.setStaticEntry(true);
        synapseEventSource.getSubscriptionManager().subscribe(synapseSubscription);
    }
}

Example 5 with EventException

use of org.wso2.eventing.exceptions.EventException in project wso2-synapse by wso2.

the class EventSourceSerializerTest method testSerializeEvent4.

/**
 * Test SerialEvent and assert OMElement returned is not null.
 *
 * @throws XMLStreamException - XMLStreamException
 * @throws EventException     - EventException
 */
@Test
public void testSerializeEvent4() throws XMLStreamException, EventException {
    String inputXML = "      <eventSource name=\"SampleEventSource\" xmlns=\"http://ws.apache.org/ns/synapse\">\n" + "            <subscriptionManager class=\"org.apache.synapse.eventing.managers." + "DefaultInMemorySubscriptionManager\">\n" + "                <property name=\"topicHeaderName\" value=\"Topic\"/>\n" + "                <property name=\"topicHeaderNS\" value=\"http://apache.org/aip\"/>\n" + "            </subscriptionManager>\n" + "            <subscription id=\"mySubscription\">\n" + "                 <filter source =\"synapse/event/test\" dialect=\"http://synapse.apache.org/" + "eventing/dialect/topicFilter\"/>\n" + "                 <endpoint><address uri=\"http://localhost:9000/services/" + "SimpleStockQuoteService\"/></endpoint>\n" + "            </subscription>\n" + "            <subscription id=\"mySubscription2\">\n" + "                 <filter source =\"synapse/event/test\" dialect=\"http://synapse.apache.org/" + "eventing/dialect/topicFilter\"/>\n" + "                 <endpoint><address uri=\"http://localhost:9000/services/" + "SimpleStockQuoteService\"/></endpoint>\n" + "                 <expires>2020-06-27T21:07:00.000-08:00</expires>\n" + "            </subscription>\n" + "      </eventSource>\n";
    OMElement element = AXIOMUtil.stringToOM(inputXML);
    SynapseEventSource synapseEventSource = new SynapseEventSource("Test");
    SubscriptionManager subscriptionManager = new DefaultInMemorySubscriptionManager();
    subscriptionManager.addProperty("Name", "Test");
    SynapseSubscription synapseSubscription = new SynapseSubscription();
    synapseSubscription.setStaticEntry(true);
    Date date = new Date(System.currentTimeMillis() + 3600000);
    Calendar cal = Calendar.getInstance();
    cal.setTime(date);
    synapseSubscription.setExpires(cal);
    subscriptionManager.subscribe(synapseSubscription);
    synapseEventSource.setSubscriptionManager(subscriptionManager);
    OMElement omElement = EventSourceSerializer.serializeEventSource(element, synapseEventSource);
    Assert.assertNotNull("OMElement cannot be null.", omElement);
}