1 files changed, 58 insertions, 0 deletions
diff --git a/src/main/java/org/onap/dcae/configuration/cbs/CbsConfigResolver.java b/src/main/java/org/onap/dcae/configuration/cbs/CbsConfigResolver.java
new file mode 100644
index 00000000..5a66c294
--- /dev/null
+++ b/src/main/java/org/onap/dcae/configuration/cbs/CbsConfigResolver.java
@@ -0,0 +1,58 @@
+/*-
+ * ============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()));
+    }
+}
+\ No newline at end of file