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/*
* ============LICENSE_START=======================================================
* PROJECT
* ================================================================================
* Copyright (C) 2018 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.dcaegen2.services.prh.tasks;
import com.google.gson.JsonPrimitive;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.onap.dcaegen2.services.prh.exceptions.DmaapNotFoundException;
import org.onap.dcaegen2.services.prh.model.ConsumerDmaapModel;
import org.onap.dcaegen2.services.prh.model.PnfReadyJsonBodyBuilderImpl;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.api.MessageRouterPublisher;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.MessageRouterPublishRequest;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.MessageRouterPublishResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import java.util.function.Supplier;
/**
* @author <a href="mailto:przemyslaw.wasala@nokia.com">Przemysław Wąsala</a> on 4/13/18
*/
public class DmaapPublisherTaskImpl implements DmaapPublisherTask {
private static final Logger LOGGER = LoggerFactory.getLogger(DmaapPublisherTaskImpl.class);
private final Supplier<MessageRouterPublishRequest> config;
private final MessageRouterPublisherResolver messageRouterPublisherClientResolver;
private final PnfReadyJsonBodyBuilderImpl pnfReadyJsonBodyBuilder = new PnfReadyJsonBodyBuilderImpl();
public DmaapPublisherTaskImpl(Supplier<MessageRouterPublishRequest> config, MessageRouterPublisherResolver messageRouterPublisherClientResolver) {
this.config = config;
this.messageRouterPublisherClientResolver = messageRouterPublisherClientResolver;
}
@Override
public Flux<MessageRouterPublishResponse> execute(ConsumerDmaapModel consumerDmaapModel) throws DmaapNotFoundException {
if (consumerDmaapModel == null) {
throw new DmaapNotFoundException("Invoked null object to DMaaP task");
}
MessageRouterPublisher messageRouterPublisher = messageRouterPublisherClientResolver.resolveClient();
LOGGER.info("Method called with arg {}", consumerDmaapModel);
String json = pnfReadyJsonBodyBuilder.createJsonBody(consumerDmaapModel);
return messageRouterPublisher.put(
config.get(),
Flux.just(json).map(JsonPrimitive::new));
}
/**
*
* Does not work reactive version with DMaaP MR - to be investigated why in future
* As WA please use Mono<HttpResponse> executeWithApache(ConsumerDmaapModel consumerDmaapModel);
* */
@Override
public Mono<org.apache.http.HttpResponse> executeWithApache(ConsumerDmaapModel consumerDmaapModel) {
String json = pnfReadyJsonBodyBuilder.createJsonBody(consumerDmaapModel);
try (DefaultHttpClient httpClient = new DefaultHttpClient()) {
HttpPost postRequest = new HttpPost(config.get().sinkDefinition().topicUrl());
try {
StringEntity input = new StringEntity(json);
input.setContentType(config.get().contentType());
postRequest.setEntity(input);
HttpResponse response = httpClient.execute(postRequest);
return Mono.just(response);
} catch (Exception e) {
LOGGER.warn("Publishing to DMaaP MR failed: {}", e);
return Mono.error(e);
}
}
}
}
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