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/*-
* ================================================================================
* ECOMP Portal SDK
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property
* ================================================================================
* 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.openecomp.portalsdk.core.onboarding.ueb;
import java.io.IOException;
import java.security.GeneralSecurityException;
import java.util.LinkedList;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openecomp.portalsdk.core.onboarding.util.PortalApiConstants;
import com.att.nsa.apiClient.http.HttpClient;
import com.att.nsa.apiClient.http.HttpException;
import com.att.nsa.cambria.client.CambriaClient.CambriaApiException;
import com.att.nsa.cambria.client.CambriaClientBuilders;
import com.att.nsa.cambria.client.CambriaClientFactory;
import com.att.nsa.cambria.client.CambriaTopicManager;
/**
* Provides methods to facilitate creating topics, and adding publishers and
* subscribers to existing topics.
*
* Utilizes UEB/Cambria subscriber/publisher messaging service.
*/
public class TopicManager {
private final Log logger = LogFactory.getLog(getClass());
/**
* Creates a topic with the specified information.
*
* @param key
* Topic key
* @param secret
* Topic secret key
* @param topicName
* Topic name
* @param topicDescription
* Topic description
* @throws HttpException
* @throws CambriaApiException
* @throws IOException
*/
public void createTopic(String key, String secret, String topicName, String topicDescription)
throws HttpException, CambriaApiException, IOException {
final LinkedList<String> urlList = Helper.uebUrlList();
if (logger.isInfoEnabled()) {
logger.info("==> createTopic");
logger.info("topicName: " + topicName);
logger.info("topicDescription: " + topicDescription);
}
CambriaTopicManager tm =null;
try {
tm = CambriaClientFactory.createTopicManager(null, urlList, key, secret);
} catch (GeneralSecurityException e) {
logger.error("pub.build Exception ", e);
throw new CambriaApiException(topicName);
}
tm.createTopic(topicName, topicDescription, 1, 1);
}
/**
* Modifies the specified topic to accept a subscriber using the specified
* key.
*
* @param topicOwnerKey
* @param topicOwnerSecret
* @param subscriberKey
* @param topicName
* @throws HttpException
* @throws CambriaApiException
* @throws IOException
*/
public void addSubscriber(String topicOwnerKey, String topicOwnerSecret, String subscriberKey, String topicName)
throws HttpException, CambriaApiException, IOException {
logger.info("==> addSubscriber to topic " + topicName);
final LinkedList<String> urlList = Helper.uebUrlList();
CambriaTopicManager tm = null;
try {
tm = new CambriaClientBuilders.TopicManagerBuilder().usingHosts(urlList).authenticatedBy(topicOwnerKey, topicOwnerSecret).build();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
//old version num : CambriaClientFactory.createTopicManager(urlList, topicOwnerKey,topicOwnerSecret);
tm.allowConsumer(topicName, subscriberKey);
}
/**
* Modifies the specified topic to accept a publisher using the specified
* key.
*
* @param topicOwnerKey
* @param topicOwnerSecret
* @param publisherKey
* @param topicName
* @throws HttpException
* @throws CambriaApiException
* @throws IOException
*/
@SuppressWarnings("deprecation")
public void addPublisher(String topicOwnerKey, String topicOwnerSecret, String publisherKey, String topicName)
throws HttpException, CambriaApiException, IOException {
logger.info("==> addPublisher to topic " + topicName);
final LinkedList<String> urlList = Helper.uebUrlList();
CambriaTopicManager tm =null;
try {
tm = CambriaClientFactory.createTopicManager(HttpClient.ConnectionType.HTTPS, urlList, topicOwnerKey,
topicOwnerSecret);
} catch (GeneralSecurityException e) {
logger.error("pub.build Exception ", e);
throw new CambriaApiException(topicName);
}
tm.allowProducer(topicName, publisherKey);
}
}
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