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/*
* ============LICENSE_START=======================================================
* PNF-REGISTRATION-HANDLER
* ================================================================================
* 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.service.producer;
import static org.onap.dcaegen2.services.prh.model.CommonFunctions.createJsonBody;
import static org.onap.dcaegen2.services.prh.model.logging.MdcVariables.REQUEST_ID;
import static org.onap.dcaegen2.services.prh.model.logging.MdcVariables.X_INVOCATION_ID;
import static org.onap.dcaegen2.services.prh.model.logging.MdcVariables.X_ONAP_REQUEST_ID;
import java.net.URI;
import java.util.UUID;
import org.onap.dcaegen2.services.prh.config.DmaapPublisherConfiguration;
import org.onap.dcaegen2.services.prh.model.ConsumerDmaapModel;
import org.slf4j.MDC;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.util.DefaultUriBuilderFactory;
import reactor.core.publisher.Mono;
/**
* @author <a href="mailto:przemyslaw.wasala@nokia.com">Przemysław Wąsala</a> on 7/4/18
*/
public class DMaaPProducerReactiveHttpClient {
private final String dmaapHostName;
private final Integer dmaapPortNumber;
private final String dmaapProtocol;
private final String dmaapTopicName;
private final String dmaapContentType;
private RestTemplate restTemplate;
/**
* Constructor DMaaPProducerReactiveHttpClient.
*
* @param dmaapPublisherConfiguration - DMaaP producer configuration object
*/
public DMaaPProducerReactiveHttpClient(DmaapPublisherConfiguration dmaapPublisherConfiguration) {
this.dmaapHostName = dmaapPublisherConfiguration.dmaapHostName();
this.dmaapProtocol = dmaapPublisherConfiguration.dmaapProtocol();
this.dmaapPortNumber = dmaapPublisherConfiguration.dmaapPortNumber();
this.dmaapTopicName = dmaapPublisherConfiguration.dmaapTopicName();
this.dmaapContentType = dmaapPublisherConfiguration.dmaapContentType();
}
/**
* Function for calling DMaaP HTTP producer - post request to DMaaP.
*
* @param consumerDmaapModelMono - object which will be sent to DMaaP
* @return status code of operation
*/
public Mono<ResponseEntity<String>> getDMaaPProducerResponse(ConsumerDmaapModel consumerDmaapModelMono) {
return Mono.defer(() -> {
HttpEntity<String> request = new HttpEntity<>(createJsonBody(consumerDmaapModelMono), getAllHeaders());
return Mono.just(restTemplate.exchange(getUri(), HttpMethod.POST, request, String.class));
});
}
private HttpHeaders getAllHeaders() {
HttpHeaders headers = new HttpHeaders();
headers.set(X_ONAP_REQUEST_ID, MDC.get(REQUEST_ID));
headers.set(X_INVOCATION_ID, UUID.randomUUID().toString());
headers.set(HttpHeaders.CONTENT_TYPE, dmaapContentType);
return headers;
}
public DMaaPProducerReactiveHttpClient createDMaaPWebClient(RestTemplate restTemplate) {
this.restTemplate = restTemplate;
return this;
}
URI getUri() {
return new DefaultUriBuilderFactory().builder().scheme(dmaapProtocol).host(dmaapHostName).port(dmaapPortNumber)
.path(dmaapTopicName).build();
}
}
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