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/*-
* ============LICENSE_START=======================================================
* policy-endpoints
* ================================================================================
* Copyright (C) 2017-2018 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.policy.common.endpoints.event.comm.bus.internal;
import java.net.MalformedURLException;
import java.util.List;
import java.util.Map;
import org.onap.policy.common.endpoints.event.comm.Topic;
import org.onap.policy.common.endpoints.event.comm.bus.DmaapTopicSource;
import org.onap.policy.common.endpoints.event.comm.bus.internal.impl.CambriaConsumerWrapper;
import org.onap.policy.common.endpoints.event.comm.bus.internal.impl.DmaapDmeConsumerWrapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* This topic reader implementation specializes in reading messages over DMAAP topic and notifying
* its listeners
*/
public class SingleThreadedDmaapTopicSource extends SingleThreadedBusTopicSource implements DmaapTopicSource, Runnable {
private static Logger logger = LoggerFactory.getLogger(SingleThreadedDmaapTopicSource.class);
protected final String userName;
protected final String password;
protected String environment = null;
protected String aftEnvironment = null;
protected String partner = null;
protected String latitude = null;
protected String longitude = null;
protected Map<String, String> additionalProps = null;
/**
*
* @param servers DMaaP servers
* @param topic DMaaP Topic to be monitored
* @param apiKey DMaaP API Key (optional)
* @param apiSecret DMaaP API Secret (optional)
* @param consumerGroup DMaaP Reader Consumer Group
* @param consumerInstance DMaaP Reader Instance
* @param fetchTimeout DMaaP fetch timeout
* @param fetchLimit DMaaP fetch limit
* @param environment DME2 Environment
* @param aftEnvironment DME2 AFT Environment
* @param partner DME2 Partner
* @param latitude DME2 Latitude
* @param longitude DME2 Longitude
* @param additionalProps Additional properties to pass to DME2
* @param useHttps does connection use HTTPS?
* @param allowSelfSignedCerts are self-signed certificates allow
*
* @throws IllegalArgumentException An invalid parameter passed in
*/
public SingleThreadedDmaapTopicSource(List<String> servers, String topic, String apiKey, String apiSecret,
String userName, String password, String consumerGroup, String consumerInstance, int fetchTimeout,
int fetchLimit, String environment, String aftEnvironment, String partner, String latitude,
String longitude, Map<String, String> additionalProps, boolean useHttps, boolean allowSelfSignedCerts) {
super(servers, topic, apiKey, apiSecret, consumerGroup, consumerInstance, fetchTimeout, fetchLimit, useHttps,
allowSelfSignedCerts);
this.userName = userName;
this.password = password;
this.environment = environment;
this.aftEnvironment = aftEnvironment;
this.partner = partner;
this.latitude = latitude;
this.longitude = longitude;
this.additionalProps = additionalProps;
try {
this.init();
} catch (Exception e) {
logger.error("ERROR during init of topic {}", this.topic);
throw new IllegalArgumentException(e);
}
}
/**
*
* @param servers DMaaP servers
* @param topic DMaaP Topic to be monitored
* @param apiKey DMaaP API Key (optional)
* @param apiSecret DMaaP API Secret (optional)
* @param consumerGroup DMaaP Reader Consumer Group
* @param consumerInstance DMaaP Reader Instance
* @param fetchTimeout DMaaP fetch timeout
* @param fetchLimit DMaaP fetch limit
* @param useHttps does connection use HTTPS?
* @param allowSelfSignedCerts are self-signed certificates allow
* @throws IllegalArgumentException An invalid parameter passed in
*/
public SingleThreadedDmaapTopicSource(List<String> servers, String topic, String apiKey, String apiSecret,
String userName, String password, String consumerGroup, String consumerInstance, int fetchTimeout,
int fetchLimit, boolean useHttps, boolean allowSelfSignedCerts) {
super(servers, topic, apiKey, apiSecret, consumerGroup, consumerInstance, fetchTimeout, fetchLimit, useHttps,
allowSelfSignedCerts);
this.userName = userName;
this.password = password;
try {
this.init();
} catch (Exception e) {
logger.warn("dmaap-source: cannot create topic {} because of {}", topic, e.getMessage(), e);
throw new IllegalArgumentException(e);
}
}
/**
* Initialize the Cambria or MR Client
*/
@Override
public void init() throws MalformedURLException {
if (anyNullOrEmpty(this.userName, this.password)) {
this.consumer = new CambriaConsumerWrapper(this.servers, this.topic, this.apiKey, this.apiSecret,
this.consumerGroup, this.consumerInstance, this.fetchTimeout, this.fetchLimit, this.useHttps,
this.allowSelfSignedCerts);
} else if (allNullOrEmpty(this.environment, this.aftEnvironment, this.latitude, this.longitude, this.partner)) {
this.consumer = new CambriaConsumerWrapper(this.servers, this.topic, this.apiKey, this.apiSecret,
this.userName, this.password, this.consumerGroup, this.consumerInstance, this.fetchTimeout,
this.fetchLimit, this.useHttps, this.allowSelfSignedCerts);
} else {
this.consumer = new DmaapDmeConsumerWrapper(this.servers, this.topic, this.apiKey,
this.apiSecret, this.userName, this.password, this.consumerGroup, this.consumerInstance,
this.fetchTimeout, this.fetchLimit, this.environment, this.aftEnvironment, this.partner,
this.latitude, this.longitude, this.additionalProps, this.useHttps);
}
logger.info("{}: INITTED", this);
}
/**
* {@inheritDoc}
*/
@Override
public CommInfrastructure getTopicCommInfrastructure() {
return Topic.CommInfrastructure.DMAAP;
}
@Override
public String toString() {
StringBuilder builder = new StringBuilder();
builder.append("SingleThreadedDmaapTopicSource [userName=").append(userName).append(", password=")
.append((password == null || password.isEmpty()) ? "-" : password.length())
.append(", getTopicCommInfrastructure()=").append(getTopicCommInfrastructure()).append(", toString()=")
.append(super.toString()).append("]");
return builder.toString();
}
}
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