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/*-
* ============LICENSE_START=======================================================
* openECOMP : APP-C
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights
* reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.appc.messageadapter.impl;
import java.util.HashSet;
import java.util.Properties;
import org.apache.commons.lang.ObjectUtils;
import org.openecomp.appc.adapter.dmaap.Producer;
import org.openecomp.appc.adapter.dmaap.DmaapProducer;
import org.openecomp.appc.configuration.Configuration;
import org.openecomp.appc.configuration.ConfigurationFactory;
import org.openecomp.appc.domainmodel.lcm.ResponseContext;
import org.openecomp.appc.domainmodel.lcm.VNFOperation;
import org.openecomp.appc.messageadapter.MessageAdapter;
import org.openecomp.appc.requesthandler.conv.Converter;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import com.fasterxml.jackson.core.JsonProcessingException;
public class MessageAdapterDmaapImpl implements MessageAdapter{
private Producer dmaapProducer;
private String partition ;
private Configuration configuration;
private HashSet<String> pool;
private String writeTopic;
private String apiKey;
private String apiSecret;
private Integer READ_TIMEOUT;
private static final EELFLogger logger = EELFManager.getInstance().getLogger(MessageAdapterDmaapImpl.class);
/**
* Initialize dmaapProducer client to post messages using configuration properties
*/
@Override
public void init(){
this.dmaapProducer = getDmaapProducer();
}
private Producer getDmaapProducer() {
configuration = ConfigurationFactory.getConfiguration();
Properties properties=configuration.getProperties();
updateProperties(properties);
Producer producer=new DmaapProducer(pool,writeTopic);
producer.updateCredentials(apiKey, apiSecret);
return producer;
}
private void updateProperties(Properties props) {
if (logger.isTraceEnabled()) {
logger.trace("Entering to updateProperties with Properties = "+ ObjectUtils.toString(props));
}
pool = new HashSet<>();
if (props != null) {
// readTopic = props.getProperty("dmaap.topic.read");
writeTopic = props.getProperty("dmaap.topic.write");
apiKey = props.getProperty("dmaap.client.key");
apiSecret = props.getProperty("dmaap.client.secret");
/* clientName = props.getProperty("dmaap.client.name", "APP-C");
clientId = props.getProperty("dmaap.client.name.id", "0");
filter_json = props.getProperty("dmaap.topic.read.filter");
*/
// READ_TIMEOUT = Integer.valueOf(props.getProperty("dmaap.topic.read.timeout", String.valueOf(READ_TIMEOUT)));
String hostnames = props.getProperty("dmaap.poolMembers");
if (hostnames != null && !hostnames.isEmpty()) {
for (String name : hostnames.split(",")) {
pool.add(name);
}
}
}
}
/**
* Posts message to DMaaP. As DMaaP accepts only json messages this method first convert dmaapMessage to json format and post it to DMaaP.
* @param asyncResponse response data that based on it a message will be send to DMaaP (the format of the message that will be sent to DMaaP based on the action and its YANG domainmodel).
* @return True if message is postes successfully else False
*/
@Override
public boolean post(VNFOperation operation, String rpcName, ResponseContext asyncResponse){
boolean success;
if (logger.isTraceEnabled()) {
logger.trace("Entering to post with AsyncResponse = " + ObjectUtils.toString(asyncResponse));
}
String jsonMessage;
try {
jsonMessage = Converter.convAsyncResponseToDmaapOutgoingMessageJsonString(operation, rpcName, asyncResponse);
if (logger.isDebugEnabled()) {
logger.debug("DMaaP Response = " + jsonMessage);
}
success = dmaapProducer.post(this.partition, jsonMessage);
} catch (JsonProcessingException e1) {
logger.error("Error generating Jason from DMaaP message "+ e1.getMessage());
success= false;
}catch (Exception e){
logger.error("Error sending message to DMaaP "+e.getMessage());
success= false;
}
if (logger.isTraceEnabled()) {
logger.trace("Exiting from post with (success = "+ ObjectUtils.toString(success)+")");
}
return success;
}
}
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