Examples of org.wso2.carbon.registry.core.Aspect

org.wso2.eventing.SubscriptionManager
Aspects are using to associate custom behaviors with resources; Aspects differ form handlers, in that handlers are automatically applied to a resource, whereas, aspects are needed to be invoked manually through user action (e.g. by clicking a button in the user interface).

            resourcePath = processedPath.getPath();


            //TODO need to do the security validation here
            Resource resource = get(resourcePath);
            if ((resource.getAspects() == null) || (!resource.getAspects().contains(aspectName))) {
                Aspect aspect = getAspect(aspectName);
                if (aspect == null) {
                    throw new RegistryException("Couldn't find aspectName '" + aspectName + "'");
                }
                aspect.associate(resource, this);
                resource.addAspect(aspectName);
                put(resource.getPath(), resource);
                registryContext.getLogWriter().addLog(
                        resource.getPath(), CurrentSession.getUser(), LogEntry.ASSOCIATE_ASPECT,
                        aspectName);

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            }
            resourcePath = processedPath.getPath();


            Resource resource = get(resourcePath);


            Aspect aspect = getResourceAspect(resource, aspectName);
            context.setOldResource(get(resourcePath));
            context.setResource(resource);


            //        List aspectNames = resource.getPropertyValues(Aspect.AVAILABLE_ASPECTS);
            //        if (aspectNames == null) {
            //            throw new RegistryException("No aspect are associated with the resource");
            //        }
            context.setAspect(aspect);
            context.setAction(action);
            registryContext.getHandlerManager().invokeAspect(context);
            if (!context.isSimulation()) {
                if (!context.isProcessingComplete()) {
                    aspect.invoke(context, action);
                }
                resource.discard();


                // transaction succeeded
                transactionSucceeded = true;

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            }
            resourcePath = processedPath.getPath();


            Resource resource = get(resourcePath);


            Aspect aspect = getResourceAspect(resource, aspectName);
            context.setOldResource(get(resourcePath));
            context.setResource(resource);


            for (Map.Entry<String, String> e : parameters.entrySet()) {
                context.setProperty(e.getKey(), e.getValue());
            }


            context.setProperty("parameterNames",
                    Collections.unmodifiableSet(parameters.keySet()));


            //        List aspectNames = resource.getPropertyValues(Aspect.AVAILABLE_ASPECTS);
            //        if (aspectNames == null) {
            //            throw new RegistryException("No aspect are associated with the resource");
            //        }
            context.setAspect(aspect);
            context.setAction(action);
            registryContext.getHandlerManager().invokeAspect(context);
            if (!context.isSimulation()) {
                if (!context.isProcessingComplete()) {
                    aspect.invoke(context, action, parameters);
                }
                resource.discard();


                // transaction succeeded
                transactionSucceeded = true;

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        boolean transactionSucceeded = false;
        try {
            // start the transaction
            beginTransaction();


            Aspect aspect = getAspect(aspectName);
            if (aspect == null) {
                throw new RegistryException("Aspect '" + aspectName + "' is not registered!");
            }


            // Confirm this aspect is associated with this Resource

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                throw new RegistryException(msg);
            }
            resourcePath = processedPath.getPath();


            Resource resource = get(resourcePath);
            Aspect aspect = getResourceAspect(resource, aspectName);


            context.setResource(resource);
            String[] actions = aspect.getAvailableActions(context);


            // transaction succeeded
            transactionSucceeded = true;


            return actions;

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        }


        public void run() {
            try {
                MessageContext msgCtx = ((Axis2MessageContext) synCtx).getAxis2MessageContext();
                Event<MessageContext> event = new Event(msgCtx);
                subscriptions = subscriptionManager.getMatchingSubscriptions(event);
            } catch (EventException e) {
                handleException("Matching subscriptions fetching error", e);
            }

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     * @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);

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            // Adding static subscriptions
            List<Subscription> staticSubscriptionList =
                    eventSource.getSubscriptionManager().getStaticSubscriptions();
            for (Iterator<Subscription> iterator = staticSubscriptionList.iterator();
                 iterator.hasNext();) {
                Subscription staticSubscription = iterator.next();
                OMElement staticSubElem =
                        fac.createOMElement("subscription", XMLConfigConstants.SYNAPSE_OMNAMESPACE);
                staticSubElem.addAttribute(
                        fac.createOMAttribute("id", nullNS, staticSubscription.getId()));
                OMElement filterElem =
                        fac.createOMElement("filter", XMLConfigConstants.SYNAPSE_OMNAMESPACE);
                filterElem.addAttribute(fac.createOMAttribute("source", nullNS,
                        (String) staticSubscription.getFilterValue()));
                filterElem.addAttribute(fac.createOMAttribute("dialect", nullNS,
                        (String) staticSubscription.getFilterDialect()));
                staticSubElem.addChild(filterElem);
                OMElement endpointElem =
                        fac.createOMElement("endpoint", XMLConfigConstants.SYNAPSE_OMNAMESPACE);
                OMElement addressElem =
                        fac.createOMElement("address", XMLConfigConstants.SYNAPSE_OMNAMESPACE);
                addressElem.addAttribute(
                        fac.createOMAttribute("uri", nullNS, staticSubscription.getEndpointUrl()));
                endpointElem.addChild(addressElem);
                staticSubElem.addChild(endpointElem);
                if (staticSubscription.getExpires() != null) {
                    OMElement expiresElem =
                            fac.createOMElement("expires", XMLConfigConstants.SYNAPSE_OMNAMESPACE);
                    fac.createOMText(expiresElem,
                            ConverterUtil.convertToString(staticSubscription.getExpires()));
                    staticSubElem.addChild(expiresElem);
                }
                evenSourceElem.addChild(staticSubElem);
            }

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    public SynapseSubscription() {
        this.setId(UIDGenerator.generateURNString());
        this.setDeliveryMode(EventingConstants.WSE_DEFAULT_DELIVERY_MODE);
        SubscriptionData subscriptionData = new SubscriptionData();
        subscriptionData.setProperty(SynapseEventingConstants.STATIC_ENTRY, "false");
        this.setSubscriptionData(subscriptionData);
    }

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                    .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(); // Initialise before doing further processing, required for static subscriptions

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