enrichment-coordinator-service/src/main/java/org/oransc/enrichment/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.enrichment.controllers.r1consumer;
  22
  23 import com.google.gson.Gson;
  24 import com.google.gson.GsonBuilder;
  25
  26 import java.lang.invoke.MethodHandles;
  27
  28 import org.oransc.enrichment.clients.AsyncRestClient;
  29 import org.oransc.enrichment.clients.AsyncRestClientFactory;
  30 import org.oransc.enrichment.configuration.ApplicationConfig;
  31 import org.oransc.enrichment.repository.InfoType;
  32 import org.oransc.enrichment.repository.InfoTypeSubscriptions;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35 import org.springframework.beans.factory.annotation.Autowired;
  36 import org.springframework.stereotype.Component;
  37
  38 /**
  39  * Callbacks to the Consumer. Notifies consumer according to the API (which this
  40  * class adapts to)
  41  */
  42 @SuppressWarnings("java:S3457") // No need to call "toString()" method as formatting and string ..
  43 @Component
  44 public class ConsumerCallbacks implements InfoTypeSubscriptions.Callbacks {
  45
  46     private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  47     private static Gson gson = new GsonBuilder().create();
  48
  49     private final AsyncRestClient restClient;
  50
  51     public ConsumerCallbacks(@Autowired ApplicationConfig config) {
  52         AsyncRestClientFactory restClientFactory = new AsyncRestClientFactory(config.getWebClientConfig());
  53         this.restClient = restClientFactory.createRestClientNoHttpProxy("");
  54     }
  55
  56     @Override
  57     public void notifyTypeRegistered(InfoType type, InfoTypeSubscriptions.SubscriptionInfo subscriptionInfo) {
  58         ConsumerTypeRegistrationInfo info = new ConsumerTypeRegistrationInfo(type.getJobDataSchema(),
  59             ConsumerTypeRegistrationInfo.ConsumerTypeStatusValues.REGISTERED, type.getId());
  60         String body = gson.toJson(info);
  61
  62         post(subscriptionInfo.getCallbackUrl(), body);
  63
  64     }
  65
  66     @Override
  67     public void notifyTypeRemoved(InfoType type, InfoTypeSubscriptions.SubscriptionInfo subscriptionInfo) {
  68         ConsumerTypeRegistrationInfo info = new ConsumerTypeRegistrationInfo(type.getJobDataSchema(),
  69             ConsumerTypeRegistrationInfo.ConsumerTypeStatusValues.DEREGISTERED, type.getId());
  70         String body = gson.toJson(info);
  71         post(subscriptionInfo.getCallbackUrl(), body);
  72
  73     }
  74
  75     private void post(String url, String body) {
  76         restClient.post(url, body) //
  77             .subscribe(response -> logger.debug("Post OK {}", url), //
  78                 throwable -> logger.warn("Post failed for consumer callback {} {}", url, body), null);
  79     }
  80
  81 }