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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 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.config.DmaapPublisherConfiguration;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.service.producer.DMaaPPublisherReactiveHttpClient;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.service.producer.DmaaPRestTemplateFactory;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.service.producer.PublisherReactiveHttpClientFactory;
import org.onap.dcaegen2.services.sdk.rest.services.uri.URI;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import reactor.core.publisher.Mono;
import javax.net.ssl.SSLException;
import java.util.Optional;
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<DmaapPublisherConfiguration> config;
private final PnfReadyJsonBodyBuilderImpl pnfReadyJsonBodyBuilder = new PnfReadyJsonBodyBuilderImpl();
private final PublisherReactiveHttpClientFactory httpClientFactory;
public DmaapPublisherTaskImpl(final Supplier<DmaapPublisherConfiguration> config) {
this(config, new PublisherReactiveHttpClientFactory(
new DmaaPRestTemplateFactory(),
new PnfReadyJsonBodyBuilderImpl()));
}
DmaapPublisherTaskImpl(
Supplier<DmaapPublisherConfiguration> config,
PublisherReactiveHttpClientFactory httpClientFactory) {
this.config = config;
this.httpClientFactory = httpClientFactory;
}
@Override
public Mono<org.onap.dcaegen2.services.sdk.rest.services.adapters.http.HttpResponse>
execute(ConsumerDmaapModel consumerDmaapModel) throws DmaapNotFoundException, SSLException {
if (consumerDmaapModel == null) {
throw new DmaapNotFoundException("Invoked null object to DMaaP task");
}
DMaaPPublisherReactiveHttpClient dmaapPublisherReactiveHttpClient = resolveClient();
LOGGER.info("Method called with arg {}", consumerDmaapModel);
return dmaapPublisherReactiveHttpClient.getDMaaPProducerResponse(consumerDmaapModel, Optional.empty());
}
@Override
public DMaaPPublisherReactiveHttpClient resolveClient() throws SSLException {
return httpClientFactory.create(config.get());
}
/**
*
* Does not work reactive version with DMaaP MR - to be investigated why in future
* As WA plesae use Mono<HttpResponse> executeWithApache(ConsumerDmaapModel consumerDmaapModel);
* */
@Override
public Mono<org.apache.http.HttpResponse> executeWithApache(ConsumerDmaapModel consumerDmaapModel) {
String json = pnfReadyJsonBodyBuilder.createJsonBody(consumerDmaapModel);
DefaultHttpClient httpClient = new DefaultHttpClient();
HttpPost postRequest = new HttpPost(getUrl());
try {
StringEntity input = new StringEntity(json);
input.setContentType(config.get().dmaapContentType());
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);
}
}
private String getUrl() {
return (new URI.URIBuilder()).scheme(config.get().dmaapProtocol())
.host(config.get().dmaapHostName())
.port(config.get().dmaapPortNumber()).path(this.createRequestPath()).build()
.toString();
}
private String createRequestPath() {
return "/" + config.get().dmaapTopicName();
}
}
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