Examples of org.wso2.carbon.mediator.service.MediatorService

Package org.wso2.carbon.mediator.service

Examples of org.wso2.carbon.mediator.service.MediatorService

org.wso2.eventing.SubscriptionManager
This interface provides the base for the mediator OSGi Service and each and every mediator which has a user interface on the Carbon sequence editor has to implement this interface and that implementation has to be registered as an OSGi Service.

This provides the basic structure of a mediator for the sequence editor framework, and this also enables to add the mediators to the sequence editor user interface dynamically at runtime. @see AbstractMediatorService

            PrivilegedCarbonContext.endTenantFlow();
        }
    }


    private void setTenantCredentialsInCarbonContext() {
        PrivilegedCarbonContext cc = PrivilegedCarbonContext.getThreadLocalCarbonContext();
        cc.setTenantId(ownerTenantId);
        cc.setTenantDomain(ownerTenantDomain);
    }

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    public static SequenceMediator parseStringToSequence(String sequenceXML)
            throws SequenceEditorException {
        OMElement elem = parseStringToElement(sequenceXML);
        if (elem != null) {
            MediatorService service = MediatorStore.getInstance().getMediatorService(elem);
            if (service != null) {
                SequenceMediator sequence = (SequenceMediator) service.getMediator();
                sequence.build(elem);
                return sequence;
            } else {
                return null;
            }

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    public static Mediator parseStringToMediator(String mediatorXML)
            throws SequenceEditorException {
        OMElement elem = parseStringToElement(mediatorXML);
        if (elem != null) {
            MediatorService service = MediatorStore.getInstance().getMediatorService(elem);
            if (service != null) {
                Mediator m = service.getMediator();
                m.build(elem);
                return m;
            } else {
                return null;
            }

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    public static String getMediatorHTML(Mediator mediator, boolean last, String position,
                                         ServletConfig config, Mediator before, Mediator after,
                                         Locale locale) {
        ResourceBundle bundle = ResourceBundle.getBundle(BUNDLE, locale);


        MediatorService mediatorInfo
                = MediatorStore.getInstance().getMediatorService(mediator.getTagLocalName());
        String mediatorName = mediatorInfo != null ?
                mediatorInfo.getDisplayName() : mediator.getTagLocalName();
        String url = "../"  + mediatorInfo.getUIFolderName() + "-mediator/images/mediator-icon.gif";


        String mediatorIconURL = mediatorInfo != null && isIconAvailable(mediatorInfo, config) ?
                url : "./images/node-normal.gif";
        String html = "<div class=\"minus-icon\" onclick=\"treeColapse(this)\"></div>";
        if (!(mediator instanceof AbstractListMediator) ||
                ((AbstractListMediator) mediator).getList().isEmpty()) {
            html = "<div class=\"dot-icon\"></div>";
        }
        html += "<div class=\"mediators\" style=\"background-image: url(" + mediatorIconURL
                + ") !important\" id=\"mediator-" + position + "\">" +
                "<a class=\"mediatorLink\" id=\"mediator-" + position + "\">"
                + mediatorName + "</a><div class=\"sequenceToolbar\" style=\"display:none\" >";
        if (mediator instanceof AbstractListMediator) {
            if (mediatorInfo == null || mediatorInfo.isAddChildEnabled()) {
                html += "<div><a class=\"addChildStyle\">"
                        + bundle.getString("sequence.add.child.action") + "</a></div>"
                        + "<div class=\"sequenceSep\">&nbsp;</div>";
            }
            if (mediatorInfo == null || mediatorInfo.isAddSiblingEnabled()) {
                html += "<div><a class=\"addSiblingStyle\">"
                        + bundle.getString("sequence.add.sibling.action") + "</a></div>"
                        + "<div class=\"sequenceSep\">&nbsp;</div>";
            }


            html += "<div><a class=\"deleteStyle\">"
                    + bundle.getString("sequence.delete.action") + "</a></div>";


            if (before != null && MediatorStore.getInstance().getMediatorService(
                    before.getTagLocalName()).isMovingAllowed() && mediatorInfo.isMovingAllowed()) {
                html += "<div class=\"sequenceSep\">&nbsp;</div>"
                        + "<div><a class=\"moveUpStyle\" title=\""
                        + bundle.getString("mediator.move.up") + "\"></a></div>";
            }


            if (after != null && MediatorStore.getInstance().getMediatorService(
                    after.getTagLocalName()).isMovingAllowed() && mediatorInfo.isMovingAllowed()) {
                html += "<div class=\"sequenceSep\">&nbsp;</div>"
                        + "<div><a class=\"moveDownStyle\" title=\""
                        + bundle.getString("mediator.move.down") + "\"></a></div>";
            }


            html += "</div></div>";


            AbstractListMediator listMediator = (AbstractListMediator) mediator;
            if (!listMediator.getList().isEmpty()) {
                if (last) {
                    html = "<li>" + html;
                } else {
                    html = "<li class=\"vertical-line\">" + html;
                }
                html += "<div class=\"branch-node\"></div>";
                html += "<ul class=\"child-list\">";
                int count = listMediator.getList().size();
                int mediatorPosition = 0;
                for (Mediator med : listMediator.getList()) {
                    count--;
                    Mediator beforeMed = mediatorPosition > 0 ?
                            listMediator.getList().get(mediatorPosition - 1) : null;
                    Mediator afterMed = mediatorPosition + 1 < listMediator.getList().size() ?
                            listMediator.getList().get(mediatorPosition + 1) : null;
                    html += getMediatorHTML(med, count==0, position + "."
                            + mediatorPosition, config, beforeMed, afterMed, locale);
                    mediatorPosition++;
                }
                html += "</ul>";
            } else {
                if (!last) {
                    html = "<li>" + html + "<div class=\"vertical-line-alone\"/>";
                } else {
                    html = "<li>" + html;
                }
            }
        } else {
            if (mediatorInfo == null || mediatorInfo.isAddSiblingEnabled()) {
                html += "<div><a class=\"addSiblingStyle\">"
                        + bundle.getString("sequence.add.sibling.action") + "</a></div>"
                        + "<div class=\"sequenceSep\">&nbsp;</div>";
            }


            html += "<div><a class=\"deleteStyle\">"
                    + bundle.getString("sequence.delete.action") + "</a></div>";


            if (before != null && MediatorStore.getInstance().getMediatorService(
                    before.getTagLocalName()).isMovingAllowed() && mediatorInfo.isMovingAllowed()) {
                html += "<div class=\"sequenceSep\">&nbsp;</div>"
                        + "<div><a class=\"moveUpStyle\" title=\""
                        + bundle.getString("mediator.move.up") + "\"></a></div>";
            }


            if (after != null && MediatorStore.getInstance().getMediatorService(
                    after.getTagLocalName()).isMovingAllowed() && mediatorInfo.isMovingAllowed()) {
                html += "<div class=\"sequenceSep\">&nbsp;</div>"
                        + "<div><a class=\"moveDownStyle\" title=\""
                        + bundle.getString("mediator.move.down") + "\"></a></div>";
            }

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    }


    public static Mediator getNewMediator(String mediatorName) throws RemoteException {


        MediatorStore store = MediatorStore.getInstance();
        MediatorService mediatorInfo = store.getMediatorService(mediatorName);
        if (mediatorInfo != null) {
            return mediatorInfo.getMediator();
        } else {
            throw new RuntimeException("Couldn't find the mediator information in the " +
                    "mediator store for the mediator with logical name " + mediatorName);
        }
    }

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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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