gerrit.onap Code Review - dcaegen2/services/sdk.git/blob

   1 /*
   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
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  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=========================================================
  19  */
  20
  21 package org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.service.producer;
  22
  23
  24 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.CloudHttpClient;
  25 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.HttpResponse;
  26 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.config.DmaapPublisherConfiguration;
  27 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.service.DMaaPAbstractReactiveHttpClient;
  28 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.service.DMaaPClientServiceUtils;
  29 import org.onap.dcaegen2.services.sdk.rest.services.model.DmaapModel;
  30 import org.onap.dcaegen2.services.sdk.rest.services.model.JsonBodyBuilder;
  31 import org.onap.dcaegen2.services.sdk.rest.services.model.logging.RequestDiagnosticContext;
  32 import org.onap.dcaegen2.services.sdk.rest.services.uri.URI.URIBuilder;
  33 import reactor.core.publisher.Mono;
  34
  35 import java.net.URI;
  36 import java.util.Map;
  37 import java.util.Optional;
  38
  39
  40 /**
  41  * @author <a href="mailto:przemyslaw.wasala@nokia.com">Przemysław Wąsala</a> on 7/4/18
  42  */
  43 public class DMaaPPublisherReactiveHttpClient extends DMaaPAbstractReactiveHttpClient {
  44
  45     private final DmaapPublisherConfiguration dmaapPublisherConfiguration;
  46     private final JsonBodyBuilder jsonBodyBuilder;
  47     private final CloudHttpClient cloudHttpClient;
  48
  49     /**
  50      * Constructor DMaaPPublisherReactiveHttpClient.
  51      *
  52      * @param dmaapPublisherConfiguration - DMaaP producer configuration object
  53      * @param cloudHttpClient             - cloudHttpClient sending http requests
  54      */
  55     DMaaPPublisherReactiveHttpClient(DmaapPublisherConfiguration dmaapPublisherConfiguration,
  56                                      CloudHttpClient cloudHttpClient, JsonBodyBuilder jsonBodyBuilder) {
  57         this.dmaapPublisherConfiguration = dmaapPublisherConfiguration;
  58         this.cloudHttpClient = cloudHttpClient;
  59         this.jsonBodyBuilder = jsonBodyBuilder;
  60     }
  61
  62     /**
  63      * Function for calling DMaaP HTTP producer - post request to DMaaP.
  64      *
  65      * @param dmaapModel - object which will be sent to DMaaP
  66      * @return status code of operation
  67      */
  68
  69     public Mono<HttpResponse> getDMaaPProducerResponse(
  70             DmaapModel dmaapModel,
  71             Optional<RequestDiagnosticContext> requestDiagnosticContextOptional) {
  72         return Mono.defer(() -> {
  73             Map<String, String> headers = DMaaPClientServiceUtils.getHeaders(dmaapPublisherConfiguration.dmaapContentType());
  74             if (requestDiagnosticContextOptional.isPresent()) {
  75                 cloudHttpClient
  76                         .post(getUri().toString(), requestDiagnosticContextOptional.get(), headers, jsonBodyBuilder,
  77                                 dmaapModel);
  78             }
  79             return cloudHttpClient
  80                     .post(getUri().toString(), getRequestDiagnosticContext(), headers, jsonBodyBuilder, dmaapModel);
  81         });
  82     }
  83
  84
  85     URI getUri() {
  86         return URI.create(
  87                 new URIBuilder().scheme(dmaapPublisherConfiguration.dmaapProtocol())
  88                         .host(dmaapPublisherConfiguration.dmaapHostName()).port(dmaapPublisherConfiguration.dmaapPortNumber())
  89                         .path(createRequestPath())
  90                         .build().toString());
  91     }
  92
  93     private String createRequestPath() {
  94         return new StringBuilder().append(SLASH).append(dmaapPublisherConfiguration.dmaapTopicName()).toString();
  95     }
  96
  97 }