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/*-
* ============LICENSE_START=======================================================
* ONAP : APPC
* ================================================================================
* Copyright (C) 2019 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.onap.appc.services.dmaapService;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Properties;
import org.onap.appc.adapter.factory.DmaapMessageAdapterFactoryImpl;
import org.onap.appc.configuration.Configuration;
import org.onap.appc.configuration.ConfigurationFactory;
import org.springframework.stereotype.Service;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import org.onap.appc.adapter.message.MessageAdapterFactory;
import org.onap.appc.adapter.message.Producer;
import org.onap.appc.adapter.messaging.dmaap.http.HttpDmaapProducerImpl;
@Service
public class PublishService {
private static final EELFLogger LOG = EELFManager.getInstance().getLogger(PublishService.class);
private Map<String,Producer> producers;
private MessageAdapterFactory factory;
Configuration configuration;
public PublishService() {
this.factory = new DmaapMessageAdapterFactoryImpl();
producers = new HashMap<>();
}
public PublishService(MessageAdapterFactory factory) {
this.factory = factory;
producers = new HashMap<>();
}
public String publishMessage(String key, String partition, String topic, String message) {
Producer producer = getProducer(key, topic);
if(producer == null) {
return "Could not find producer with property prefix: " + key;
}
boolean success = producer.post(partition, message);
if(success) {
return "Success";
}
return "Failed. See dmaap service jar log.";
}
private Producer getProducer(String key, String topic) {
String searchKey = key;
if(topic != null) {
searchKey += topic;
}
Producer producer = producers.get(searchKey);
if(producer != null) {
return producer;
}
producer = newProducer(key, topic);
producers.put(searchKey,producer);
return producer;
}
private Producer newProducer(String key, String topic) {
Configuration configuration;
if(this.configuration != null) {
configuration = this.configuration;
} else {
configuration = ConfigurationFactory.getConfiguration();
}
Properties props = configuration.getProperties();
HashSet<String> pool = new HashSet<>();
if (props != null) {
String writeTopic;
if(topic == null) {
writeTopic = props.getProperty(key + ".topic.write");
} else {
writeTopic = topic;
}
String apiKey = props.getProperty(key + ".client.key");
String apiSecret = props.getProperty(key + ".client.secret");
String hostnames = props.getProperty(key + ".poolMembers");
if (hostnames != null && !hostnames.isEmpty()) {
for (String name : hostnames.split(",")) {
pool.add(name);
}
}
if(pool.isEmpty()) {
LOG.error("There are no dmaap server pools. Check the property " + key + ".poolMembers");
return null;
}
if(writeTopic == null || writeTopic.isEmpty()) {
LOG.error("There is no write topic defined in the message request or in the properties file");
return null;
}
return factory.createProducer(pool, writeTopic, apiKey, apiSecret);
}
return null;
}
}
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