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/*-
* ============LICENSE_START=======================================================
* PolicyEngineUtils
* ================================================================================
* 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.onap.policy.utils;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
import java.util.concurrent.TimeUnit;
import org.onap.dmaap.mr.client.impl.MRSimplerBatchPublisher;
import org.onap.dmaap.mr.test.clients.ProtocolTypeConstants;
import org.onap.policy.common.logging.eelf.PolicyLogger;
import org.onap.policy.common.logging.flexlogger.FlexLogger;
import org.onap.policy.common.logging.flexlogger.Logger;
public interface BusPublisher {
/**
* sends a message
*
* @param partition id
* @param message the message
* @return true if success, false otherwise
* @throws IllegalArgumentException if no message provided
*/
public boolean send(String partitionId, String message);
/**
* closes the publisher
*/
public void close();
/**
* DmaapClient library wrapper
*/
public static class DmaapPublisherWrapper implements BusPublisher {
private static Logger logger = FlexLogger.getLogger(DmaapPublisherWrapper.class);
/**
* MR based Publisher
*/
protected MRSimplerBatchPublisher publisher;
public DmaapPublisherWrapper(List<String> servers, String topic,
String aafLogin,
String aafPassword) {
ArrayList<String> dmaapServers = new ArrayList<>();
for (String server: servers) {
dmaapServers.add(server + ":3904");
}
this.publisher =
new MRSimplerBatchPublisher.Builder().
againstUrls(dmaapServers).
onTopic(topic).
build();
this.publisher.setProtocolFlag(ProtocolTypeConstants.AAF_AUTH.getValue());
this.publisher.setUsername(aafLogin);
this.publisher.setPassword(aafPassword);
Properties props = new Properties();
props.setProperty("Protocol", "http");
props.setProperty("contenttype", "application/json");
this.publisher.setProps(props);
this.publisher.setHost(servers.get(0));
if (PolicyLogger.isInfoEnabled())
PolicyLogger.info(DmaapPublisherWrapper.class.getName(),
"CREATION: " + this);
}
/**
* {@inheritDoc}
*/
@Override
public void close() {
if (logger.isInfoEnabled())
logger.info(DmaapPublisherWrapper.class.getName()+
"CREATION: " + this);
try {
this.publisher.close(1, TimeUnit.SECONDS);
} catch (Exception e) {
logger.warn(DmaapPublisherWrapper.class.getName()+
"CLOSE: " + this + " because of " +
e.getMessage(), e);
}
}
/**
* {@inheritDoc}
*/
@Override
public boolean send(String partitionId, String message){
if (message == null)
throw new IllegalArgumentException("No message provided");
this.publisher.send(partitionId, message);
return true;
}
@Override
public String toString() {
StringBuilder builder = new StringBuilder();
builder.append("DmaapPublisherWrapper [").
append("publisher.getAuthDate()=").append(publisher.getAuthDate()).
append(", publisher.getAuthKey()=").append(publisher.getAuthKey()).
append(", publisher.getHost()=").append(publisher.getHost()).
append(", publisher.getProtocolFlag()=").append(publisher.getProtocolFlag()).
append(", publisher.getUsername()=").append(publisher.getUsername()).
append(", publisher.getPendingMessageCount()=").append(publisher.getPendingMessageCount()).
append("]");
return builder.toString();
}
}
}
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