information-coordinator-service/src/main/java/org/oransc/ics/controllers/r1consumer/ConsumerCallbacks.java

   1 /*-
   2  * ========================LICENSE_START=================================
   3  * O-RAN-SC
   4  * %%
   5  * Copyright (C) 2021 Nordix Foundation
   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.oransc.ics.controllers.r1consumer;
  22
  23 import com.google.gson.Gson;
  24 import com.google.gson.GsonBuilder;
  25
  26 import org.oransc.ics.clients.AsyncRestClient;
  27 import org.oransc.ics.clients.AsyncRestClientFactory;
  28 import org.oransc.ics.configuration.ApplicationConfig;
  29 import org.oransc.ics.repository.InfoType;
  30 import org.oransc.ics.repository.InfoTypeSubscriptions;
  31 import org.springframework.beans.factory.annotation.Autowired;
  32 import org.springframework.stereotype.Component;
  33 import reactor.core.publisher.Mono;
  34
  35 /**
  36  * Callbacks to the Consumer. Notifies consumer according to the API (which this
  37  * class adapts to)
  38  */
  39 @Component
  40 public class ConsumerCallbacks implements InfoTypeSubscriptions.ConsumerCallbackHandler {
  41
  42     private static Gson gson = new GsonBuilder().create();
  43
  44     private final AsyncRestClient restClient;
  45
  46     public static final String API_VERSION = "version_1";
  47
  48     public ConsumerCallbacks(@Autowired ApplicationConfig config,
  49         @Autowired InfoTypeSubscriptions infoTypeSubscriptions) {
  50         AsyncRestClientFactory restClientFactory = new AsyncRestClientFactory(config.getWebClientConfig());
  51         this.restClient = restClientFactory.createRestClientNoHttpProxy("");
  52         infoTypeSubscriptions.registerCallbackhandler(this, API_VERSION);
  53     }
  54
  55     @Override
  56     public Mono<String> notifyTypeRegistered(InfoType type, InfoTypeSubscriptions.SubscriptionInfo subscriptionInfo) {
  57         String body = body(type, ConsumerTypeRegistrationInfo.ConsumerTypeStatusValues.REGISTERED);
  58         return restClient.post(subscriptionInfo.getCallbackUrl(), body);
  59     }
  60
  61     @Override
  62     public Mono<String> notifyTypeRemoved(InfoType type, InfoTypeSubscriptions.SubscriptionInfo subscriptionInfo) {
  63         String body = body(type, ConsumerTypeRegistrationInfo.ConsumerTypeStatusValues.DEREGISTERED);
  64         return restClient.post(subscriptionInfo.getCallbackUrl(), body);
  65     }
  66
  67     private String body(InfoType type, ConsumerTypeRegistrationInfo.ConsumerTypeStatusValues status) {
  68         ConsumerTypeRegistrationInfo info =
  69             new ConsumerTypeRegistrationInfo(type.getJobDataSchema(), status, type.getId());
  70         return gson.toJson(info);
  71     }
  72
  73 }