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/*
*
* * ============LICENSE_START=======================================================
* * org.onap.dcae
* * ================================================================================
* * Copyright (c) 2021 Nokia 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.blueprintgenerator.service.common.kafka;
import static org.onap.blueprintgenerator.service.common.kafka.KafkaCommonConstants.AAF_KAFKA_PASSWORD_INPUT_NAME;
import static org.onap.blueprintgenerator.service.common.kafka.KafkaCommonConstants.AFF_KAFKA_USER_INPUT_NAME;
import static org.onap.blueprintgenerator.service.common.kafka.KafkaCommonConstants.KAFKA_INFO_BOOTSTRAP_SERVERS_INPUT_NAME;
import java.util.LinkedHashMap;
import java.util.Map;
import org.onap.blueprintgenerator.service.base.BlueprintHelperService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
/**
* @author : Tomasz Wrobel
* @date 18/01/2021 Application: ONAP - Blueprint Generator Common ONAP Service used to create Kafka Stream application
* config object and Kafka Stream inputs
*/
@Service
public class KafkaStreamService {
private static final String PUBLISH_URL_SUFFIX = "_publish_url";
private static final String SUBSCRIBE_URL_SUFFIX = "_subscribe_url";
private static final String DEFAULT_STREAM_URL = "sample_stream_url";
private static final String DEFAULT_BOOTSTRAP_SERVER = "message-router-kafka:9092";
private static final String DEFAULT_AAF_USER = "admin";
private static final String DEFAULT_AAF_PASSWORD = "admin_secret";
@Autowired
private BlueprintHelperService blueprintHelperService;
/**
* Creates publish stream inputs for given streamName
*
* @param streamName Stream name
* @return
*/
public Map<String, LinkedHashMap<String, Object>> createStreamPublishInputs(String streamName) {
return createStreamInputs(streamName + PUBLISH_URL_SUFFIX);
}
/**
* Creates subscribe stream inputs for given streamName
*
* @param streamName Stream name
* @return
*/
public Map<String, LinkedHashMap<String, Object>> createStreamSubscribeInputs(String streamName) {
return createStreamInputs(streamName + SUBSCRIBE_URL_SUFFIX);
}
/**
* Creates Application properties publish stream object for given streamName
*
* @param streamName Stream name
* @return
*/
public Map<String, KafkaStream> createAppPropertiesPublish(String streamName) {
LinkedHashMap<String, KafkaStream> kafkaStreamMap = new LinkedHashMap<>();
KafkaStream kafkaStream = createAppProperties(streamName, PUBLISH_URL_SUFFIX);
kafkaStreamMap.put(streamName, kafkaStream);
return kafkaStreamMap;
}
/**
* Creates Application properties subscribe stream object for given streamName
*
* @param streamName Stream name
* @return
*/
public Map<String, KafkaStream> createAppPropertiesSubscribe(String streamName) {
LinkedHashMap<String, KafkaStream> kafkaStreamMap = new LinkedHashMap<>();
KafkaStream kafkaStream = createAppProperties(streamName, SUBSCRIBE_URL_SUFFIX);
kafkaStreamMap.put(streamName, kafkaStream);
return kafkaStreamMap;
}
private KafkaStream createAppProperties(String streamName, String urlSuffix) {
String topicName = streamName + urlSuffix;
return new KafkaStream(topicName);
}
private Map<String, LinkedHashMap<String, Object>> createStreamInputs(String streamName) {
LinkedHashMap<String, LinkedHashMap<String, Object>> streamInputs = createBaseInputs();
LinkedHashMap<String, Object> stream =
blueprintHelperService.createStringInput(DEFAULT_STREAM_URL);
streamInputs.put(streamName, stream);
return streamInputs;
}
private LinkedHashMap<String, LinkedHashMap<String, Object>> createBaseInputs() {
LinkedHashMap<String, LinkedHashMap<String, Object>> baseInputs = new LinkedHashMap<>();
LinkedHashMap<String, Object> kafka_message_router = blueprintHelperService
.createStringInput(DEFAULT_BOOTSTRAP_SERVER);
baseInputs.put(KAFKA_INFO_BOOTSTRAP_SERVERS_INPUT_NAME, kafka_message_router);
LinkedHashMap<String, Object> kafka_username = blueprintHelperService.createStringInput(DEFAULT_AAF_USER);
baseInputs.put(AFF_KAFKA_USER_INPUT_NAME, kafka_username);
LinkedHashMap<String, Object> kafka_password = blueprintHelperService.createStringInput(DEFAULT_AAF_PASSWORD);
baseInputs.put(AAF_KAFKA_PASSWORD_INPUT_NAME, kafka_password);
return baseInputs;
}
}
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