2 * ============LICENSE_START=======================================================
3 * DCAEGEN2-SERVICES-SDK
4 * ================================================================================
5 * Copyright (C) 2018 NOKIA Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.service.producer;
23 import static org.onap.dcaegen2.services.sdk.rest.services.model.CommonFunctions.createJsonBody;
24 import static org.onap.dcaegen2.services.sdk.rest.services.model.logging.MdcVariables.REQUEST_ID;
25 import static org.onap.dcaegen2.services.sdk.rest.services.model.logging.MdcVariables.X_INVOCATION_ID;
26 import static org.onap.dcaegen2.services.sdk.rest.services.model.logging.MdcVariables.X_ONAP_REQUEST_ID;
29 import java.util.UUID;
30 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.config.DmaapPublisherConfiguration;
31 import org.onap.dcaegen2.services.sdk.rest.services.model.ConsumerDmaapModel;
32 import org.slf4j.Logger;
33 import org.slf4j.LoggerFactory;
35 import org.springframework.http.HttpEntity;
36 import org.springframework.http.HttpHeaders;
37 import org.springframework.http.HttpMethod;
38 import org.springframework.http.ResponseEntity;
39 import org.springframework.web.client.RestTemplate;
40 import org.springframework.web.util.DefaultUriBuilderFactory;
41 import reactor.core.publisher.Mono;
45 * @author <a href="mailto:przemyslaw.wasala@nokia.com">Przemysław Wąsala</a> on 7/4/18
47 public class DMaaPPublisherReactiveHttpClient {
49 private final Logger logger = LoggerFactory.getLogger(DMaaPPublisherReactiveHttpClient.class);
50 private final String dmaapHostName;
51 private final Integer dmaapPortNumber;
52 private final String dmaapProtocol;
53 private final String dmaapTopicName;
54 private final String dmaapContentType;
55 private final Mono<RestTemplate> restTemplateMono;
58 * Constructor DMaaPPublisherReactiveHttpClient.
60 * @param dmaapPublisherConfiguration - DMaaP producer configuration object
62 DMaaPPublisherReactiveHttpClient(DmaapPublisherConfiguration dmaapPublisherConfiguration,
63 Mono<RestTemplate> restTemplateMono) {
64 this.dmaapHostName = dmaapPublisherConfiguration.dmaapHostName();
65 this.dmaapProtocol = dmaapPublisherConfiguration.dmaapProtocol();
66 this.dmaapPortNumber = dmaapPublisherConfiguration.dmaapPortNumber();
67 this.dmaapTopicName = dmaapPublisherConfiguration.dmaapTopicName();
68 this.dmaapContentType = dmaapPublisherConfiguration.dmaapContentType();
69 this.restTemplateMono = restTemplateMono;
73 * Function for calling DMaaP HTTP producer - post request to DMaaP.
75 * @param consumerDmaapModelMono - object which will be sent to DMaaP
76 * @return status code of operation
79 public Mono<ResponseEntity<String>> getDMaaPProducerResponse(ConsumerDmaapModel consumerDmaapModelMono) {
80 return Mono.defer(() -> {
81 HttpEntity<String> request = new HttpEntity<>(createJsonBody(consumerDmaapModelMono), getAllHeaders());
82 logger.info("Request: {} {}", getUri(), request);
83 return restTemplateMono.map(
84 restTemplate -> restTemplate.exchange(getUri(), HttpMethod.POST, request, String.class));
88 private HttpHeaders getAllHeaders() {
89 HttpHeaders headers = new HttpHeaders();
90 headers.set(X_ONAP_REQUEST_ID, MDC.get(REQUEST_ID));
91 headers.set(X_INVOCATION_ID, UUID.randomUUID().toString());
92 headers.set(HttpHeaders.CONTENT_TYPE, dmaapContentType);
98 return new DefaultUriBuilderFactory().builder().scheme(dmaapProtocol).host(dmaapHostName).port(dmaapPortNumber)
99 .path(dmaapTopicName).build();