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.consumer;
23 import com.google.gson.JsonElement;
26 import java.util.Optional;
27 import java.util.UUID;
28 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.CloudHttpClient;
29 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.config.DmaapConsumerConfiguration;
30 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.service.DMaaPAbstractReactiveHttpClient;
31 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.service.DMaaPClientServiceUtils;
32 import org.onap.dcaegen2.services.sdk.rest.services.model.logging.ImmutableRequestDiagnosticContext;
33 import org.onap.dcaegen2.services.sdk.rest.services.model.logging.RequestDiagnosticContext;
34 import org.onap.dcaegen2.services.sdk.rest.services.uri.URI.URIBuilder;
35 import reactor.core.publisher.Mono;
39 * @author <a href="mailto:przemyslaw.wasala@nokia.com">Przemysław Wąsala</a> on 6/26/18
41 public class DMaaPConsumerReactiveHttpClient extends DMaaPAbstractReactiveHttpClient {
43 private final DmaapConsumerConfiguration consumerConfiguration;
44 private final CloudHttpClient cloudHttpClient;
47 * Constructor of DMaaPConsumerReactiveHttpClient.
49 * @param consumerConfiguration - DMaaP consumer configuration object
52 public DMaaPConsumerReactiveHttpClient(DmaapConsumerConfiguration consumerConfiguration,
53 CloudHttpClient cloudHttpClient) {
54 this.consumerConfiguration = consumerConfiguration;
55 this.cloudHttpClient = cloudHttpClient;
59 * Function for calling DMaaP HTTP consumer - consuming messages from Kafka/DMaaP from topic.
61 * @return reactive response from DMaaP in string format
63 public Mono<JsonElement> getDMaaPConsumerResponse(
64 Optional<RequestDiagnosticContext> requestDiagnosticContextOptional) {
65 Map<String, String> headers = DMaaPClientServiceUtils.getHeaders(consumerConfiguration.dmaapContentType());
66 if (requestDiagnosticContextOptional.isPresent()) {
67 return cloudHttpClient
68 .get(getUri().toString(), requestDiagnosticContextOptional.get(), headers, JsonElement.class);
70 RequestDiagnosticContext requestDiagnosticContext = ImmutableRequestDiagnosticContext.builder()
71 .invocationId(UUID.randomUUID()).requestId(UUID.randomUUID()).build();
72 return cloudHttpClient.get(getUri().toString(), requestDiagnosticContext, headers, JsonElement.class);
77 new URIBuilder().scheme(consumerConfiguration.dmaapProtocol()).host(consumerConfiguration.dmaapHostName())
78 .port(consumerConfiguration.dmaapPortNumber()).path(createRequestPath())
82 private String createRequestPath() {
83 return new StringBuilder().append(SLASH).append(consumerConfiguration.dmaapTopicName()).append(SLASH)
84 .append(consumerConfiguration.consumerGroup())
85 .append(SLASH).append(consumerConfiguration.consumerId()).toString();