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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Nordix Foundation.
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.dcaegen2.services.pmmapper.messagerouter;
import java.nio.charset.StandardCharsets;
import java.util.Base64;
import java.util.List;
import org.onap.dcaegen2.services.pmmapper.exceptions.MRPublisherException;
import org.onap.dcaegen2.services.pmmapper.model.Event;
import org.onap.dcaegen2.services.pmmapper.model.MapperConfig;
import org.onap.dcaegen2.services.pmmapper.utils.RequestSender;
import org.onap.logging.ref.slf4j.ONAPLogAdapter;
import org.slf4j.LoggerFactory;
import reactor.core.publisher.Flux;
public class VESPublisher {
private static final ONAPLogAdapter logger = new ONAPLogAdapter(LoggerFactory.getLogger(VESPublisher.class));
private RequestSender sender;
private MapperConfig config;
public VESPublisher(MapperConfig config) {
this(config, new RequestSender());
}
public VESPublisher(MapperConfig config, RequestSender sender) {
this.sender = sender;
this.config = config;
}
public Flux<Event> publish(List<Event> events) {
logger.unwrap().info("Publishing VES events to messagerouter.");
Event event = events.get(0);
try {
events.forEach(e -> this.publish(e.getVes()));
logger.unwrap().info("Successfully published VES events to messagerouter.");
} catch(MRPublisherException e) {
logger.unwrap().error("Failed to publish VES event(s) to messagerouter. {}", e.getMessage());
return Flux.empty();
}
return Flux.just(event);
}
private void publish(String ves) {
try {
String topicUrl = config.getPublisherTopicUrl();
ves = ves.replaceAll("\n", "");
String userCredentials = topicUrl.startsWith("https") ? Base64.getEncoder()
.encodeToString((this.config.getPublisherUserName() + ":" +
this.config.getPublisherPassword())
.getBytes(StandardCharsets.UTF_8))
: "";
sender.send("POST", topicUrl, ves, userCredentials);
} catch (Exception e) {
throw new MRPublisherException(e.getMessage(), e);
}
}
}
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