/* * Copyright 2004,2005 The Apache Software Foundation. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.wso2.carbon.das.messageflow.data.publisher.publish; import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.databind.ObjectMapper; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.synapse.aspects.flow.statistics.structuring.StructuringArtifact; import org.apache.synapse.aspects.flow.statistics.structuring.StructuringElement; import org.wso2.carbon.context.PrivilegedCarbonContext; import org.wso2.carbon.das.messageflow.data.publisher.internal.MessageFlowDataPublisherDataHolder; import org.wso2.carbon.das.messageflow.data.publisher.util.MediationDataPublisherConstants; import org.wso2.carbon.databridge.commons.Event; import org.wso2.carbon.databridge.commons.utils.DataBridgeCommonsUtils; import java.util.ArrayList; public class ConfigurationPublisher { private static Log log = LogFactory.getLog(ConfigurationPublisher.class); private static String streamId = DataBridgeCommonsUtils.generateStreamId(MediationDataPublisherConstants.CONFIG_STREAM_NAME, MediationDataPublisherConstants.CONFIG_STREAM_VERSION); private static ObjectMapper mapper = new ObjectMapper(); public static void process(StructuringArtifact structuringArtifact, int tenantId) { Object[] metaData = new Object[1]; Object[] eventData = new Object[3]; addMetaData(metaData, tenantId); addEventData(eventData, structuringArtifact); if (log.isDebugEnabled()) { log.debug("Before sending to analytic server ------"); /* Logs to print data sending to analytics server. Use log4j.properties to enable this logs */ for (int i = 0; i < eventData.length; i++) { log.debug("Section-" + i + " -> " + eventData[i]); } } publishToAgent(eventData, metaData); if (log.isDebugEnabled()) { log.debug("------ After sending to analytic server"); } } private static void addMetaData(Object[] metaDataValueList, int tenantId) { /* [1] -> tenantId */ metaDataValueList[0] = tenantId; } private static void addEventData(Object[] eventData, StructuringArtifact structuringArtifact) { /* [0] -> hashcode */ eventData[0] = String.valueOf(structuringArtifact.getHashcode()); /* [1] -> entryName */ eventData[1] = String.valueOf(structuringArtifact.getName()); ArrayList<StructuringElement> elementList = structuringArtifact.getList(); String jsonString = null; try { jsonString = mapper.writeValueAsString(elementList); } catch (JsonProcessingException e) { log.error("Error while reading input stream. " + e.getMessage()); } /* [2] -> configData */ eventData[2] = jsonString; } private static void publishToAgent(Object[] eventData, Object[] metaData) { // Creating Event Event event = new Event(streamId, System.currentTimeMillis(), metaData, null, eventData); // Has to use try-publish for asynchronous publishing MessageFlowDataPublisherDataHolder.getInstance().getPublisherService().publish(event); } }