Examples with SynapseEventSource org.apache.synapse.eventing.SynapseEventSource used on opensource projects

Example 6 with SynapseEventSource

use of org.apache.synapse.eventing.SynapseEventSource in project wso2-synapse by wso2.

the class SynapseXMLConfigurationSerializer method serializeConfiguration.

/**
 * Order of entries is irrelevant, however its nice to have some order.
 *
 * @param synCfg configuration to be serialized
 * @return serialized element of the configuration
 */
public OMElement serializeConfiguration(SynapseConfiguration synCfg) {
    OMElement definitions = fac.createOMElement("definitions", synNS);
    // first add the description
    if (synCfg.getDescription() != null) {
        OMElement descElem = fac.createOMElement("description", synNS);
        descElem.setText(synCfg.getDescription());
        definitions.addChild(descElem);
    }
    // then process a remote registry if present
    if (synCfg.getRegistry() != null) {
        RegistrySerializer.serializeRegistry(definitions, synCfg.getRegistry());
    }
    // then process a remote registry if present
    if (synCfg.getTaskManager() != null) {
        TaskManagerSerializer.serializetaskManager(definitions, synCfg.getTaskManager());
    }
    serializeImports(definitions, synCfg.getSynapseImports().values());
    // add proxy services
    Iterator itr = synCfg.getProxyServices().iterator();
    while (itr.hasNext()) {
        ProxyService service = (ProxyService) itr.next();
        ProxyServiceSerializer.serializeProxy(definitions, service);
    }
    // Add Event sources
    for (SynapseEventSource eventSource : synCfg.getEventSources()) {
        EventSourceSerializer.serializeEventSource(definitions, eventSource);
    }
    Map<String, Entry> entries = new HashMap<String, Entry>();
    Map<String, Endpoint> endpoints = new HashMap<String, Endpoint>();
    Map<String, SequenceMediator> sequences = new HashMap<String, SequenceMediator>();
    Map<String, TemplateMediator> templates = new HashMap<String, TemplateMediator>();
    Map<String, Template> endpointTemplates = new HashMap<String, Template>();
    itr = synCfg.getLocalRegistry().keySet().iterator();
    while (itr.hasNext()) {
        Object key = itr.next();
        if (SynapseConstants.SERVER_IP.equals(key) || SynapseConstants.SERVER_HOST.equals(key)) {
            continue;
        }
        Object o = synCfg.getLocalRegistry().get(key);
        if (o instanceof TemplateMediator) {
            templates.put(key.toString(), (TemplateMediator) o);
        } else if (o instanceof SequenceMediator) {
            sequences.put(key.toString(), (SequenceMediator) o);
        } else if (o instanceof Endpoint) {
            endpoints.put(key.toString(), (Endpoint) o);
        } else if (o instanceof Template) {
            endpointTemplates.put(key.toString(), (Template) o);
        } else if (o instanceof Entry) {
            entries.put(key.toString(), (Entry) o);
        } else {
            handleException("Unknown object : " + o.getClass() + " for serialization into Synapse configuration");
        }
    }
    // process entries
    serializeEntries(definitions, entries);
    // process endpoints
    serializeEndpoints(definitions, endpoints);
    // process sequences
    serializeSequences(definitions, sequences);
    // process templates
    serializeMediatorTemplates(definitions, templates);
    // serialize the endpoint templates
    serializeEndpointTemplates(definitions, endpointTemplates);
    // handle startups
    serializeStartups(definitions, synCfg.getStartups());
    // Executors
    serializeExecutors(definitions, synCfg.getPriorityExecutors());
    // Message stores
    serializeMessageStores(definitions, synCfg.getMessageStores());
    // Message Processors
    serializeMessageProcessors(definitions, synCfg.getMessageProcessors());
    serializeAPIs(definitions, synCfg.getAPIs());
    // XML comments
    serializeComments(definitions, synCfg.getCommentedTextList());
    if (synCfg.getInboundEndpoints() != null && synCfg.getInboundEndpoints().size() > 0) {
        Collection<InboundEndpoint> inboundEndpoints = synCfg.getInboundEndpoints();
        for (InboundEndpoint inboundEndpoint : inboundEndpoints) {
            InboundEndpointSerializer.serializeInboundEndpoint(definitions, inboundEndpoint);
        }
    }
    return definitions;
}

Example 7 with SynapseEventSource

use of org.apache.synapse.eventing.SynapseEventSource 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 8 with SynapseEventSource

use of org.apache.synapse.eventing.SynapseEventSource in project wso2-synapse by wso2.

the class EventPublisherMediator method mediate.

public boolean mediate(MessageContext synCtx) {
    if (synCtx.getEnvironment().isDebuggerEnabled()) {
        if (super.divertMediationRoute(synCtx)) {
            return true;
        }
    }
    if (log.isDebugEnabled()) {
        log.debug("Mediation for Event Publisher started");
    }
    SynapseEventSource eventSource = synCtx.getConfiguration().getEventSource(eventSourceName);
    eventSource.dispatchEvents(synCtx);
    return true;
}

Example 9 with SynapseEventSource

use of org.apache.synapse.eventing.SynapseEventSource in project wso2-synapse by wso2.

the class EventSourceDeployer method undeploySynapseArtifact.

@Override
public void undeploySynapseArtifact(String artifactName) {
    if (log.isDebugEnabled()) {
        log.debug("EventSource Undeployment of the event source named : " + artifactName + " : Started");
    }
    try {
        SynapseEventSource es = getSynapseConfiguration().getEventSource(artifactName);
        if (es != null) {
            getSynapseConfiguration().removeEventSource(artifactName);
            if (log.isDebugEnabled()) {
                log.debug("EventSource Undyou neeeployment of the EventSource named : " + artifactName + " : Completed");
            }
            log.info("EventSource named '" + es.getName() + "' has been undeployed");
        } else if (log.isDebugEnabled()) {
            log.debug("Event source " + artifactName + " has already been undeployed");
        }
    } catch (Exception e) {
        handleSynapseArtifactDeploymentError("EventSource Undeployement of EventSource named : " + artifactName + " : Failed", e);
    }
}

Example 10 with SynapseEventSource

use of org.apache.synapse.eventing.SynapseEventSource in project wso2-synapse by wso2.

the class EventSourceDeployer method restoreSynapseArtifact.

@Override
public void restoreSynapseArtifact(String artifactName) {
    if (log.isDebugEnabled()) {
        log.debug("Restoring the EventSource with name : " + artifactName + " : Started");
    }
    try {
        SynapseEventSource es = getSynapseConfiguration().getEventSource(artifactName);
        OMElement esElem = EventSourceSerializer.serializeEventSource(null, es);
        if (es.getFileName() != null) {
            String fileName = getServerConfigurationInformation().getSynapseXMLLocation() + File.separator + MultiXMLConfigurationBuilder.EVENTS_DIR + File.separator + es.getFileName();
            writeToFile(esElem, fileName);
            if (log.isDebugEnabled()) {
                log.debug("Restoring the EventSource with name : " + artifactName + " : Completed");
            }
            log.info("EventSource named '" + artifactName + "' has been restored");
        } else {
            handleSynapseArtifactDeploymentError("Couldn't restore the EventSource named '" + artifactName + "', filename cannot be found");
        }
    } catch (Exception e) {
        handleSynapseArtifactDeploymentError("Restoring of the EventSource named '" + artifactName + "' has failed", e);
    }
}