1 files changed, 87 insertions, 0 deletions
diff --git a/dmi-service/src/main/java/org/onap/cps/ncmp/dmi/service/client/SdncRestconfClient.java b/dmi-service/src/main/java/org/onap/cps/ncmp/dmi/service/client/SdncRestconfClient.java
new file mode 100644
index 00000000..179707ab
--- /dev/null
+++ b/dmi-service/src/main/java/org/onap/cps/ncmp/dmi/service/client/SdncRestconfClient.java
@@ -0,0 +1,87 @@
+/*
+ *  ============LICENSE_START=======================================================
+ *  Copyright (C) 2021-2022 Nordix Foundation
+ *  ================================================================================
+ *  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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.onap.cps.ncmp.dmi.service.client;
+
+import org.onap.cps.ncmp.dmi.config.DmiConfiguration.SdncProperties;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Component;
+import org.springframework.web.client.RestTemplate;
+
+@Component
+public class SdncRestconfClient {
+
+    private SdncProperties sdncProperties;
+    private RestTemplate restTemplate;
+
+    public SdncRestconfClient(final SdncProperties sdncProperties, final RestTemplate restTemplate) {
+        this.sdncProperties = sdncProperties;
+        this.restTemplate = restTemplate;
+    }
+
+    /**
+     * restconf get operation on sdnc.
+     *
+     * @param getResourceUrl sdnc get url
+     * @return the response entity
+     */
+    public ResponseEntity<String> getOperation(final String getResourceUrl) {
+        return getOperation(getResourceUrl, new HttpHeaders());
+    }
+
+    /**
+     * Overloaded restconf get operation on sdnc with http headers.
+     *
+     * @param getResourceUrl sdnc get url
+     * @param httpHeaders    http headers
+     * @return the response entity
+     */
+    public ResponseEntity<String> getOperation(final String getResourceUrl, final HttpHeaders httpHeaders) {
+        return  httpOperationWithJsonData(HttpMethod.GET, getResourceUrl, null, httpHeaders);
+    }
+
+    /**
+     * restconf http operations on sdnc.
+     *
+     * @param httpMethod HTTP Method
+     * @param resourceUrl sdnc resource url
+     * @param jsonData json data
+     * @param httpHeaders HTTP Headers
+     * @return response entity
+     */
+    public ResponseEntity<String> httpOperationWithJsonData(final HttpMethod httpMethod,
+                                                            final String resourceUrl,
+                                                            final String jsonData,
+                                                            final HttpHeaders httpHeaders) {
+        final String sdncBaseUrl = sdncProperties.getBaseUrl();
+        final String sdncRestconfUrl = sdncBaseUrl.concat(resourceUrl);
+        httpHeaders.setBasicAuth(sdncProperties.getAuthUsername(), sdncProperties.getAuthPassword());
+        final HttpEntity<String> httpEntity;
+        if (jsonData == null) {
+            httpEntity = new HttpEntity<>(httpHeaders);
+        } else {
+            httpEntity = new HttpEntity<>(jsonData, httpHeaders);
+        }
+        return restTemplate.exchange(sdncRestconfUrl, httpMethod, httpEntity, String.class);
+    }
+}