--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2019 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.o_ran_sc.nonrtric.sdnc_a1.northbound.restadapter;
+
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.client.RestTemplate;
+
+/**
+ * This class provides the Generic Rest Adapter interface to the RestTemplate
+ *
+ * @author lathishbabu.ganesan@est.tech
+ *
+ */
+
+public class RestAdapterImpl implements RestAdapter {
+
+ private RestTemplate restTemplate;
+
+ public RestAdapterImpl() {
+ restTemplate = new RestTemplate();
+ }
+
+ private HttpEntity<?> getHttpEntity(final Object object) {
+ return new HttpEntity<>(object);
+ }
+
+ @Override
+ public <T> ResponseEntity<T> get(String uri, Class<?> clazz) {
+ HttpEntity<?> entity = getHttpEntity(null);
+ return invokeHttpRequest(uri, HttpMethod.GET, clazz, entity);
+ }
+
+ @Override
+ public <T> ResponseEntity<T> put(String uri, String body, Class<T> clazz) {
+ HttpHeaders headers = new HttpHeaders();
+ headers.setContentType(MediaType.APPLICATION_JSON);
+ HttpEntity<String> entity = new HttpEntity<>(body, headers);
+ return invokeHttpRequest(uri, HttpMethod.PUT, clazz, entity);
+ }
+
+ @Override
+ public <T> ResponseEntity<T> delete(String uri) {
+ HttpEntity<?> entity = getHttpEntity(null);
+ return invokeHttpRequest(uri, HttpMethod.DELETE, null, entity);
+ }
+
+ @SuppressWarnings("unchecked")
+ private <T> ResponseEntity<T> invokeHttpRequest(String uri, HttpMethod httpMethod, Class<?> clazz,
+ HttpEntity<?> entity) {
+ return (ResponseEntity<T>) restTemplate.exchange(uri, httpMethod, entity, clazz);
+ }
+}