Examples with Subscription org.wso2.eventing.Subscription used on opensource projects

Example 66 with Subscription

use of org.wso2.eventing.Subscription 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 67 with Subscription

use of org.wso2.eventing.Subscription 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 68 with Subscription

use of org.wso2.eventing.Subscription 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 69 with Subscription

use of org.wso2.eventing.Subscription in project carbon-apimgt by wso2.

the class PolicyDAOImpl method getSubscriptionPolicies.

@Override
public List<SubscriptionPolicy> getSubscriptionPolicies() throws APIMgtDAOException {
    try {
        List<SubscriptionPolicy> policyList = new ArrayList<>();
        String sqlQuery = "SELECT UUID, NAME, QUOTA_TYPE, TIME_UNIT, UNIT_TIME, QUOTA, QUOTA_UNIT, DESCRIPTION, " + "DISPLAY_NAME, CUSTOM_ATTRIBUTES, IS_DEPLOYED,RATE_LIMIT_COUNT, RATE_LIMIT_TIME_UNIT, " + "STOP_ON_QUOTA_REACH, BILLING_PLAN FROM AM_SUBSCRIPTION_POLICY";
        try (Connection connection = DAOUtil.getConnection();
            PreparedStatement preparedStatement = connection.prepareStatement(sqlQuery)) {
            try (ResultSet resultSet = preparedStatement.executeQuery()) {
                while (resultSet.next()) {
                    policyList.add(createSubscriptionPolicyFromResultSet(resultSet.getString(APIMgtConstants.ThrottlePolicyConstants.COLUMN_NAME), resultSet));
                }
            }
        }
        return policyList;
    } catch (SQLException e) {
        String errorMsg = "Error in retrieving Subscription policies";
        log.error(errorMsg, e);
        throw new APIMgtDAOException(errorMsg, e);
    }
}

Example 70 with Subscription

use of org.wso2.eventing.Subscription in project carbon-apimgt by wso2.

the class PolicyDAOImpl method getSubscriptionPolicyById.

/**
 * Retrieves {@link SubscriptionPolicy} with policy uuid <code>uuid</code>
 * <p>This will retrieve complete details about the ApplicationPolicy with all pipelins and conditions.</p>
 *
 * @param uuid uuid of the policy to retrieve from the database
 * @return {@link SubscriptionPolicy}
 */
private SubscriptionPolicy getSubscriptionPolicyById(String uuid) throws SQLException, APIMgtDAOException {
    final String query = "SELECT NAME, UUID, QUOTA_TYPE, TIME_UNIT, UNIT_TIME, QUOTA, QUOTA_UNIT, DESCRIPTION, " + "DISPLAY_NAME, CUSTOM_ATTRIBUTES, IS_DEPLOYED, RATE_LIMIT_COUNT, RATE_LIMIT_TIME_UNIT, " + "STOP_ON_QUOTA_REACH, BILLING_PLAN FROM AM_SUBSCRIPTION_POLICY WHERE UUID = ?";
    try (Connection conn = DAOUtil.getConnection();
        PreparedStatement statement = conn.prepareStatement(query)) {
        statement.setString(1, uuid);
        statement.execute();
        try (ResultSet rs = statement.getResultSet()) {
            if (rs.next()) {
                return createSubscriptionPolicyFromResultSet(uuid, rs);
            } else {
                // not found
                String msg = "Subscription Policy not found for id: " + uuid;
                log.warn(msg);
                throw new APIMgtDAOException(msg, ExceptionCodes.POLICY_NOT_FOUND);
            }
        }
    }
}