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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 java.net.URI;
import java.net.URISyntaxException;
import org.apache.http.client.utils.URIBuilder;
import org.onap.dcaegen2.services.prh.config.AaiClientConfiguration;
import org.onap.dcaegen2.services.prh.exceptions.AaiRequestException;
import org.onap.dcaegen2.services.prh.model.ConsumerDmaapModel;
import org.springframework.http.HttpStatus;
import org.springframework.web.reactive.function.BodyInserters;
import org.springframework.web.reactive.function.client.WebClient;
import reactor.core.publisher.Mono;
public class AaiProducerReactiveHttpClient {
private WebClient webClient;
private final String aaiHost;
private final String aaiProtocol;
private final Integer aaiHostPortNumber;
private final String aaiBasePath;
/**
* Constructor of AaiProducerReactiveHttpClient.
*
* @param configuration - AAI producer configuration object
*/
public AaiProducerReactiveHttpClient(AaiClientConfiguration configuration) {
this.aaiHost = configuration.aaiHost();
this.aaiProtocol = configuration.aaiProtocol();
this.aaiHostPortNumber = configuration.aaiPort();
this.aaiBasePath = configuration.aaiBasePath();
}
/**
* Function for calling AAI Http producer - patch request to AAI database.
*
* @param consumerDmaapModelMono - object which will be sent to AAI database
* @return status code of operation
*/
public Mono<Integer> getAaiProducerResponse(Mono<ConsumerDmaapModel> consumerDmaapModelMono) {
return consumerDmaapModelMono.flatMap(this::patchAaiRequest);
}
public AaiProducerReactiveHttpClient createAaiWebClient(WebClient webClient) {
this.webClient = webClient;
return this;
}
private Mono<Integer> patchAaiRequest(ConsumerDmaapModel dmaapModel) {
try {
return webClient.patch()
.uri(getUri(dmaapModel.getPnfName()))
.body(BodyInserters.fromObject(dmaapModel))
.retrieve()
.onStatus(
HttpStatus::is4xxClientError,
clientResponse -> Mono.error(new AaiRequestException("HTTP 400"))
)
.onStatus(HttpStatus::is5xxServerError,
clientResponse -> Mono.error(new AaiRequestException("HTTP 500")))
.bodyToMono(Integer.class);
} catch (URISyntaxException e) {
return Mono.error(e);
}
}
URI getUri(String pnfName) throws URISyntaxException {
return new URIBuilder()
.setScheme(aaiProtocol)
.setHost(aaiHost)
.setPort(aaiHostPortNumber)
.setPath(aaiBasePath + "/" + pnfName)
.build();
}
}
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