/*
* 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);
}
}