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/*-
* ============LICENSE_START=======================================================
* org.onap.dcaegen2.collectors.ves
* ================================================================================
* Copyright (C) 2020 Nokia. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.dcae.configuration.cbs;
import com.google.gson.JsonObject;
import io.vavr.control.Option;
import java.util.function.Consumer;
import org.json.JSONObject;
import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.CbsClientFactory;
import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.CbsRequests;
import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.CbsClientConfiguration;
import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.CbsRequest;
import org.onap.dcaegen2.services.sdk.rest.services.model.logging.RequestDiagnosticContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class CbsConfigResolver {
private static final Logger log = LoggerFactory.getLogger(CbsConfigResolver.class);
private final CbsClientConfiguration cbsClientConfiguration;
private final RequestDiagnosticContext diagnosticContext = RequestDiagnosticContext.create();
private final CbsRequest cbsConfigurationRequest = CbsRequests.getConfiguration(diagnosticContext);
CbsConfigResolver(CbsClientConfiguration cbsClientConfiguration) {
this.cbsClientConfiguration = cbsClientConfiguration;
}
public Option<JSONObject> getAppConfig() {
JsonObject emptyJson = new JsonObject();
JsonObject jsonObject = CbsClientFactory.createCbsClient(cbsClientConfiguration)
.flatMap(cbsClient -> cbsClient.get(cbsConfigurationRequest))
.doOnError(error -> log.warn("Failed to fetch configuration from CBS " + error.getMessage()))
.onErrorReturn(emptyJson)
.block();
return emptyJson.equals(jsonObject) ? Option.none() : Option.of(new JSONObject(jsonObject.toString()));
}
}
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