2 * ============LICENSE_START=======================================================
3 * org.onap.dcaegen2.collectors.ves
4 * ================================================================================
5 * Copyright (C) 2020 Nokia. 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=========================================================
20 package org.onap.dcae.configuration.cbs;
22 import com.google.gson.JsonObject;
23 import io.vavr.control.Option;
24 import org.json.JSONObject;
25 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.CbsClientFactory;
26 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.CbsRequests;
27 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.CbsClientConfiguration;
28 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.CbsRequest;
29 import org.onap.dcaegen2.services.sdk.rest.services.model.logging.RequestDiagnosticContext;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
35 public class CbsConfigResolver {
37 private static final Logger log = LoggerFactory.getLogger(CbsConfigResolver.class);
39 private final CbsClientConfigurationResolver cbsClientConfigurationResolver;
40 private final RequestDiagnosticContext diagnosticContext = RequestDiagnosticContext.create();
41 private final CbsRequest cbsConfigurationRequest = CbsRequests.getConfiguration(diagnosticContext);
43 CbsConfigResolver(CbsClientConfigurationResolver cbsClientConfigurationResolver) {
44 this.cbsClientConfigurationResolver = cbsClientConfigurationResolver;
47 public Option<JSONObject> getAppConfig() {
48 JsonObject emptyJson = new JsonObject();
49 CbsClientConfiguration cbsClientConfiguration = cbsClientConfigurationResolver.resolveCbsClientConfiguration();
50 JsonObject jsonObject = CbsClientFactory.createCbsClient(cbsClientConfiguration)
51 .flatMap(cbsClient -> cbsClient.get(cbsConfigurationRequest))
52 .doOnError(error -> log.warn("Failed to fetch configuration from CBS " + error.getMessage()))
53 .onErrorReturn(emptyJson)
56 return emptyJson.equals(jsonObject) ? Option.none() : Option.of(new JSONObject(jsonObject.toString()));